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Dmytro, Magento developer

Last Updated: 4 Jul 2023

• 5+ years of expertise • Development of e-commerce websites based on Magento eCommerce platform, Integration and customization out-of-box modules, Creation of new, custom Magento modules, Migration of custom Magento V.1 functionality to V.2, Customization of core modules) • Intermediate English • Available Full-time • No scheduled vacations within next 3 months

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Hardik Thakkar, Senior PHP Developer

Last Updated: 18 Oct 2023

- Proficient in PHP, with knowledge of PHP 7+ and object-oriented programming (OOP) concepts. - Experienced in the Laravel framework, with the ability to build scalable web applications, handle routing, and implement middleware. - Familiar with the Model-View-Controller (MVC) architectural pattern and practical experience with Laravel's Eloquent ORM for database interaction. - Skilled in working with Laravel's Blade templating engine to create reusable templates and layouts. - Capable of designing and developing RESTful APIs using Laravel's built-in functionality or packages like Dingo API, Laravel Passport, or Laravel API Resources. - Experienced in integrating Laravel applications with databases such as MySQL, PostgreSQL, or MongoDB. - Knowledgeable in Composer, the PHP package manager used in Laravel projects, and able to manage dependencies and create custom packages. - Proficient in deploying Laravel applications to production environments, including familiarity with server configurations, web servers, and deployment tools. - Skilled in integrating third-party APIs into Laravel applications, such as payment gateways, social media APIs, or cloud service APIs. - Experience with WebSocket, WebRTC, and Google APIs, specifically in the development of real-time web applications, audio calling, and video calling. - Ability to work independently or as part of a team, with strong problem-solving skills and the ability to quickly learn and adapt to new technologies.

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PHP   9 yr.







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Anton S., Sr. Magento Developer

Last Updated: 4 Jul 2023

- 6+ years experience in IT. - He has over 6 years of experience in web development and more than 5 years focused on Magento 2 backend projects, He is a skilled Magento back-end developer (Certified). His major strengths include his extensive experience in developing web applications, proficiency in object-oriented programming, and a deep understanding of data structures and MySQL database query writing. Additionally, He has well-versed in using software development methodologies and possesses strong communication, collaboration, and analytical-solving skills. Has proficiency in code review, ensuring the quality and integrity of code. - Upper-Intermediate English. - Start ASAP

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PHP   6 yr.

Magento 1

Magento 1   5 yr.

Magento 2

Magento 2   5 yr.

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Alexander I., Full Stack Software Engineer ( PHP/WordPress/HTML )

Last Updated: 4 Jul 2023

- 5 years of commercial experience in Web Development - Зку-Intermediate English

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Dmitriy K., Python Software Engineer

Last Updated: 24 Aug 2023

- Experience in software development more than 9 years - Proficiency in Python development - Knowledge and understanding of principles and methodologies of software design - Deep knowledge of Web development technologies - Experienced developer with a desire to permanent self-development in the development field - Data engineering in database/hadoop/ AWS environments - Solid experience in the development of different back-end and front-end solutions - Experience with scrapers, extracting data from sites, serializing and validating data - Strong computer science expertise and commercial experience in web services architecture and development - Experience with GIS and integration with Google Maps - Strong analytical skills, good knowledge of math, and a high level of responsibility - Prefer to research things as deeply as possible and come up with new solutions - Communicative, team player, self-motivated - Upper-Intermediate English.

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Henry Akwerigbe
Henry Akwerigbe
This is a super team to work with. Through Upstaff, I have had multiple projects to work on. Work culture has been awesome, teammates have been super nice and collaborative, with a very professional management. There's always a project for you if you're into tech such Front-end, Back-end, Mobile Development, Fullstack, Data Analytics, QA, Machine Learning / AI, Web3, Gaming and lots more. It gets even better because many projects even allow full remote from anywhere! Nice job to the Upstaff Team 🙌🏽.
Vitalii Stalynskyi
Vitalii Stalynskyi
I have been working with Upstaff for over a year on a project related to landscape design and management of contractors in land design projects. During the project, we have done a lot of work on migrating the project to a multitenant architecture and are currently working on new features from the backlog. When we started this project, the hiring processes were organized well. Everything went smoothly, and we were able to start working quickly. Payments always come on time, and there is always support from managers. All issues are resolved quickly. Overall, I am very happy with my experience working with Upstaff, and I recommend them to anyone looking for a new project. They are a reliable company that provides great projects and conditions. I highly recommend them to anyone looking for a partner for their next project.
Владислав «Sheepbar» Баранов
Владислав «Sheepbar» Баранов
We've been with Upstaff for over 2 years, finding great long-term PHP and Android projects for our available developers. The support is constant, and payments are always on time. Upstaff's efficient processes have made our experience satisfying and their reliable assistance has been invaluable.
Roman Masniuk
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I worked with Upstaff engineers for over 2 years, and my experience with them was great. We deployed several individual contributors to clients' implementations and put up two teams of upstaff engineers. Managers' understanding of tech and engineering is head and shoulders above other agencies. They have a solid selection of engineers, each time presented strong candidates. They were able to address our needs and resolve things very fast. Managers and devs were responsive and proactive. Great experience!
Yanina Antipova
Yanina Antipova
Хочу виразити велику подяку за таку швидку роботу по підбору двох розробників. Та ще й у такий короткий термін-2 дні. Це мене здивувало, адже ми шукали вже цілий місяць. І знайдені кандидати нам не підходили Це щось неймовірне. Доречі, ці кандидати працюють у нас і зараз. Та надать приклад іншим працівникам. Гарного дня!)
Наталья Кравцова
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I discovered an exciting and well-paying project on Upstaff, and I couldn't be happier with my experience. Upstaff's platform is a gem for freelancers like me. It not only connects you with intriguing projects but also ensures fair compensation and a seamless work environment. If you're a programmer seeking quality opportunities, I highly recommend Upstaff.
Leaving a review to express how delighted I am to have found such a great side gig here. The project is intriguing, and I'm really enjoying the team dynamics. I'm also quite satisfied with the compensation aspect. It's crucial to feel valued for the work you put in. Overall, I'm grateful for the opportunity to contribute to this project and share my expertise. I'm thrilled to give a shoutout and recommendation to anyone seeking an engaging and rewarding work opportunity.

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FAQs about Composer Development

How do I hire a Composer developer? Arrow

If you urgently need a verified and qualified Composer developer, and resources for finding the right candidate are lacking, UPSTAFF is exactly the service you need. We approach the selection of Composer developers professionally, tailored precisely to your needs. From placing the call to the completion of your task by a qualified developer, only a few days will pass.

Where is the best place to find Composer developers? Arrow

Undoubtedly, there are dozens, if not hundreds, of specialized services and platforms on the network for finding the right Composer engineer. However, only UPSTAFF offers you the service of selecting real qualified professionals almost in real time. With Upstaff, software development is easier than calling a taxi.

How are Upstaff Composer developers different? Arrow

AI tools and expert human reviewers in the vetting process are combined with a track record and historically collected feedback from clients and teammates. On average, we save over 50 hours for client teams in interviewing Composer candidates for each job position. We are fueled by a passion for technical expertise, drawn from our deep understanding of the industry.

How quickly can I hire Composer developers through Upstaff? Arrow

Our journey starts with a 30-minute discovery call to explore your project challenges, technical needs, and team diversity. Meet Carefully Matched Composer Talents. Within 1-3 days, we’ll share profiles and connect you with the right talents for your project. Schedule a call to meet engineers in person. Validate Your Choice. Bring a new Composer developer on board with a trial period to confirm that you’ve hired the right one. There are no termination fees or hidden costs.

How does Upstaff vet remote Composer engineers? Arrow

Upstaff Managers conduct an introductory round with potential candidates to assess their soft skills. Additionally, the talent’s hard skills are evaluated through testing or verification by a qualified developer during a technical interview. The Upstaff Staffing Platform stores data on past and present Composer candidates. Upstaff managers also assess talent and facilitate rapid work and scalability, offering clients valuable insights into their talent pipeline. Additionally, we have a matching system within the platform that operates in real-time, facilitating efficient pairing of candidates with suitable positions.

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Table of Contents

TOP 12 Facts about Composer

  • Composer is a dependency management tool for PHP, designed to make it easy to manage and install libraries or packages that your project depends on.
  • It was created by Nils Adermann and Jordi Boggiano, and its development was inspired by npm, the package manager for Node.js.
  • Composer uses a file called “composer.json” to define the dependencies of a project. This file lists the required packages and their versions.
  • One of the key features of Composer is the ability to fetch packages from various sources, including the official PHP Package Repository, private repositories, and version control systems like Git and Mercurial.
  • Composer uses a lock file called “composer.lock” to ensure that the same versions of packages are installed across different environments. This helps to maintain consistency and avoid dependency conflicts.
  • Composer supports semantic versioning, which allows developers to specify a range of acceptable versions for a package. This gives flexibility in choosing the appropriate package versions based on compatibility requirements.
  • Composer has a built-in autoloader that simplifies the process of including the required files from installed packages. This autoloader follows the PSR-4 standard for autoloading classes.
  • Composer has a robust ecosystem with a large number of packages available on Packagist, the default package repository for Composer. These packages cover a wide range of functionalities and can be easily included in your projects.
  • Composer is a command-line tool that can be installed globally on your system or used locally within a project. It provides a set of commands to manage dependencies, install packages, update packages, and more.
  • Composer has a vibrant community of developers who actively contribute to its development and maintain a vast collection of open-source packages. This community ensures that Composer stays up-to-date with the latest PHP standards and best practices.
  • Composer is widely adopted in the PHP ecosystem and is used by popular frameworks and content management systems like Laravel, Symfony, and Drupal. It has become an essential tool for PHP developers to build modern and maintainable applications.
  • Composer is continuously evolving, with regular updates and new features being introduced to enhance its functionality and address the needs of the PHP community.

Cases when Composer does not work

  1. Missing or outdated dependencies: One common reason why Composer may not work is when the project’s dependencies are missing or outdated. Composer relies on the presence of the necessary packages and their compatible versions to properly install and manage dependencies. If a required package is missing or its version is incompatible, Composer may encounter errors or fail to function correctly.
  2. Network connectivity issues: Composer heavily relies on internet connectivity to download packages from remote repositories. If there are network connectivity issues, such as a slow or unstable internet connection, Composer may not be able to fetch the required packages or may experience timeouts, resulting in failed installations or updates.
  3. Insufficient memory limit: Composer can require a significant amount of memory to perform certain operations, especially when dealing with large projects or a complex dependency tree. If the memory limit set in PHP configuration is too low, Composer may run into memory allocation errors and fail to complete its tasks.
  4. Conflicting dependencies: In some cases, Composer may encounter conflicts between different dependencies specified in the project’s composer.json file. These conflicts can arise when multiple packages require different versions of the same dependency or when there are incompatible dependencies specified. Resolving these conflicts can be challenging and may require manual intervention.
  5. Incorrect configuration or usage: Composer has specific configuration options and commands that need to be used correctly for it to function properly. Incorrectly specifying package versions, using invalid options, or improper usage of Composer commands can lead to unexpected behaviors or errors.
  6. Composer version compatibility: Composer itself is constantly evolving, and newer versions may introduce changes or updates that are not backward compatible. If a project relies on an outdated version of Composer that is incompatible with the composer.json file or the project’s dependencies, it may result in errors or unexpected behavior.

How and where is Composer used?

Case NameCase Description
1. E-commerce WebsitesComposer development can be utilized in building e-commerce websites by managing dependencies and libraries efficiently. It allows developers to easily integrate various payment gateways, shopping carts, and inventory management systems, ensuring a smooth and secure online shopping experience for customers.
2. Content Management SystemsComposer can be used to develop robust content management systems (CMS) that simplify website creation and management. It provides a streamlined way to handle dependencies and package management, making it easier to add new features, plugins, or themes to the CMS.
3. Web Application FrameworksComposer plays a crucial role in developing web application frameworks by managing the installation and updating of framework components and dependencies. It allows developers to easily incorporate third-party libraries and packages, accelerating the development process and ensuring code modularity.
4. API DevelopmentComposer can be utilized in building APIs (Application Programming Interfaces) by managing the integration of different API libraries and dependencies. It simplifies the process of handling API requests and responses, enabling developers to create scalable and efficient APIs.
5. Command-line ApplicationsComposer development can be leveraged in building command-line applications by managing the installation and loading of required libraries and dependencies. It facilitates the development of powerful and feature-rich command-line tools, enhancing productivity for developers and system administrators.
6. Package DevelopmentComposer is an essential tool for package development, enabling developers to create and manage reusable packages or libraries. It simplifies the process of package distribution, version control, and dependency management, making it easier for other developers to integrate and utilize the packages in their projects.
7. Custom ApplicationsComposer can be utilized in developing custom applications by efficiently managing the integration of various components and dependencies. It allows developers to build tailored solutions for specific business needs, ensuring flexibility, scalability, and maintainability of the applications.

Let’s consider Difference between Junior, Middle, Senior, Expert/Team Lead developer roles.

Seniority NameYears of experienceResponsibilities and activitiesAverage salary (USD/year)
Junior0-2 yearsJunior developers typically work under the supervision of senior developers and assist with basic coding tasks. They are responsible for learning and gaining experience in various programming languages and technologies. Junior developers often work on smaller, less complex projects and are involved in debugging, testing, and documentation tasks.$50,000 – $70,000
Middle2-5 yearsMid-level developers have gained a solid foundation in programming and have experience working on larger projects. They are capable of working independently on assigned tasks and contribute to the development of new features. They collaborate with other team members, participate in code reviews, and help mentor junior developers. Middle developers also handle more complex debugging and problem-solving tasks.$70,000 – $100,000
Senior5-10 yearsSenior developers possess extensive knowledge and experience in their chosen programming languages and frameworks. They are responsible for designing and implementing complex software solutions, leading projects, and providing technical guidance to the team. Senior developers often take part in architectural decision-making, code refactoring, and performance optimization. They also mentor and provide support to junior and mid-level developers.$100,000 – $150,000
Expert/Team Lead10+ yearsExpert developers or team leads have a deep understanding of multiple programming languages, frameworks, and technologies. They lead development teams, manage projects, and coordinate with stakeholders. They are responsible for setting technical direction, ensuring code quality, and making decisions that impact the overall success of the project. Expert developers also provide guidance and mentorship to the entire team, resolve complex technical issues, and drive innovation.$150,000 – $200,000+

TOP 10 Composer Related Technologies

  • Programming Languages

    The most popular programming languages for composer software development include:

  • JavaScript

    JavaScript is a versatile language that is widely used for both front-end and back-end development. It has a large ecosystem of libraries and frameworks, making it a popular choice for composer software development.

  • Python

    Python is a highly readable and versatile language known for its simplicity and ease of use. It is widely used in the development of web applications and provides excellent support for composer software development.

  • Java

    Java is a robust and scalable language that is widely used in enterprise software development. It provides a rich set of libraries and frameworks, making it a preferred choice for building composer software.

  • Frameworks

    Frameworks provide a structured approach to software development and help streamline the process. Some popular frameworks for composer software development include:

  • React

    React is a JavaScript library for building user interfaces. It allows developers to create reusable UI components and provides efficient rendering for dynamic web applications.

  • Angular

    Angular is a TypeScript-based framework for building web applications. It provides a robust set of features for building scalable and maintainable composer software.

  • Laravel

    Laravel is a PHP framework that follows the Model-View-Controller (MVC) pattern. It provides a clean and elegant syntax, making it a popular choice for PHP-based composer software development.

What are top Composer instruments and tools?

  • Vienna Symphonic Library: The Vienna Symphonic Library (VSL) is a renowned collection of virtual orchestral instruments. It was founded in 2000 and has since become one of the leading providers of high-quality orchestral sample libraries. The VSL offers a wide range of instruments, including strings, brass, woodwinds, percussion, and keyboards. Its samples are highly regarded for their authenticity and realism, making it a popular choice among composers for film, television, and game scoring.
  • EastWest Hollywood Orchestra: The EastWest Hollywood Orchestra is a comprehensive orchestral sample library developed by EastWest Studios. It features a vast collection of meticulously recorded instruments, including strings, brass, woodwinds, and percussion. The Hollywood Orchestra is renowned for its cinematic sound and has been used in numerous film scores, including those of blockbuster movies. Its extensive articulations and expressive performances make it a top choice for composers looking to create epic and dramatic soundtracks.
  • Spitfire Audio Albion: Spitfire Audio Albion is a series of orchestral sample libraries created by Spitfire Audio. It offers a range of instruments, from strings and brass to percussion and synths. Albion is known for its distinctive British sound, capturing the essence of the renowned British film scoring tradition. Its powerful and emotive sound has made it a staple in the composer community, with many composers relying on Albion to bring their compositions to life.
  • Native Instruments Komplete: Native Instruments Komplete is a comprehensive collection of virtual instruments and effects. It includes a wide variety of instruments, such as synths, pianos, drums, and ethnic instruments, as well as a vast array of effects and sound design tools. Komplete is highly regarded for its versatility and quality, offering composers endless possibilities for creating unique and innovative sounds. It has been used in countless music productions across various genres, making it an essential tool for composers worldwide.
  • Ableton Live: Ableton Live is a digital audio workstation (DAW) that is widely used by composers, producers, and DJs. It offers a range of features for composing, recording, arranging, and mixing music. Ableton Live’s unique Session View allows composers to experiment with ideas in a non-linear manner, making it a popular choice for electronic and experimental music. Its intuitive interface and extensive library of instruments and effects make it a go-to tool for many composers seeking a flexible and creative workflow.
  • Sibelius: Sibelius is a professional music notation software that is widely used by composers, arrangers, and music educators. It provides a comprehensive set of tools for notating and arranging music, allowing composers to create scores with precision and clarity. Sibelius offers a range of features, including advanced notation, layout customization, and playback options. It has been the preferred choice of many composers for its intuitive interface and powerful notation capabilities.

Pros & cons of Composer

7 Pros of Composer

  • Dependency management: Composer allows you to easily manage the dependencies of your projects. It simplifies the process of installing, updating, and removing packages.
  • Centralized package repository: Composer has a vast and constantly growing package repository called Packagist. This repository contains thousands of open-source packages that you can easily integrate into your projects.
  • Version control: Composer allows you to specify the exact version or version range of each package you need, ensuring that your project remains stable and compatible with the required dependencies.
  • Autoloading: Composer provides an autoloading mechanism that automatically loads the required classes and files as you need them. This eliminates the need for manual inclusion of files and improves the performance of your application.
  • Customizable installation paths: Composer allows you to define custom installation paths for packages, giving you flexibility in organizing your project’s directory structure.
  • Dependency resolution: Composer intelligently resolves dependencies between packages, ensuring that all required dependencies are installed and compatible with each other.
  • Command-line interface: Composer provides a command-line interface (CLI) that allows you to execute various commands such as installing packages, updating dependencies, and generating autoloader files.

7 Cons of Composer

  • Learning curve: Composer has a learning curve, especially for beginners who are not familiar with package management tools. It requires understanding concepts such as dependency management and version control.
  • Dependency conflicts: In some cases, there may be conflicts between different dependencies, especially when different packages require different versions of the same dependency. Resolving these conflicts can be time-consuming.
  • Network dependency: Composer requires an internet connection to fetch packages from the central repository. This can be a disadvantage in offline environments or situations with limited internet access.
  • Package quality: While the majority of packages on Packagist are high-quality, there is a possibility of encountering packages with issues such as bugs, security vulnerabilities, or lack of maintenance.
  • Compatibility issues: Depending on the complexity of your project and the packages you use, there may be compatibility issues between different packages or with your project’s framework or libraries.
  • Build time: Composer needs to analyze and install dependencies, which can increase the build time of your project, especially if you have a large number of dependencies or complex dependency trees.
  • Versioning challenges: Managing different versions of packages and ensuring compatibility between them can be challenging, especially when multiple developers are working on a project.

Soft skills of a Composer Developer

Soft skills are essential for a Composer Developer to excel in their role. These skills go beyond technical expertise and are crucial for effective collaboration, communication, and problem-solving. Here are the soft skills required at different levels of experience:


  • Adaptability: Ability to quickly learn and adapt to new technologies and frameworks.
  • Teamwork: Collaborating effectively with team members to achieve project goals.
  • Time Management: Efficiently managing time to meet deadlines and prioritize tasks.
  • Attention to Detail: Paying close attention to details and ensuring high-quality code.
  • Communication: Effectively communicating ideas and issues to team members and stakeholders.


  • Leadership: Demonstrating leadership skills by taking ownership of tasks and guiding junior developers.
  • Problem-solving: Analyzing complex problems and finding innovative solutions.
  • Critical Thinking: Applying logical reasoning and critical thinking to make informed decisions.
  • Collaboration: Working seamlessly with cross-functional teams and stakeholders.
  • Adaptability: Adapting to changing project requirements and priorities.
  • Time Management: Efficiently managing time and resources to meet project milestones.
  • Communication: Clearly communicating technical concepts to non-technical stakeholders.


  • Mentoring: Mentoring and guiding junior and middle developers to enhance their skills.
  • Project Management: Managing complex projects, including planning, execution, and delivery.
  • Strategic Thinking: Aligning technical solutions with broader business objectives.
  • Decision-making: Making informed decisions based on analysis and expertise.
  • Innovation: Driving innovation by exploring new technologies and approaches.
  • Collaboration: Facilitating effective collaboration among team members and stakeholders.
  • Leadership: Demonstrating strong leadership skills and leading by example.
  • Communication: Excellent communication skills, including presenting technical concepts to both technical and non-technical audiences.

Expert/Team Lead

  • Strategic Planning: Developing long-term strategies and roadmaps for technical projects.
  • Team Management: Effectively managing and leading teams to achieve project goals.
  • Conflict Resolution: Resolving conflicts and promoting a positive work environment.
  • Influence: Influencing stakeholders and decision-makers to support technical initiatives.
  • Innovation: Driving innovation and staying updated with the latest industry trends.
  • Agile Methodologies: Applying agile methodologies to improve project efficiency and delivery.
  • Communication: Exceptional communication skills, including effective presentation and negotiation abilities.
  • Collaboration: Fostering a collaborative and inclusive work culture within the team.
  • Decision-making: Making informed and strategic decisions to drive project success.
  • Technical Expertise: In-depth knowledge and expertise in relevant technologies and frameworks.
  • Continuous Learning: Demonstrating a commitment to continuous learning and professional development.

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