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Marcio A., Data Engineer

Last Updated: 4 Jul 2023

- 20+ years of experience in IT - Experience in Support Analyst, Systems Analysis, Software Development, Data Engineer, Database Engineer, Systems Integration, Integration Developer, Data Analysis, Data Structures, Data Integration, Database Migration, Database Modeler, Database Analyst/Developer, Database Design, Database Management, Data Warehouse, Data Discovery, ELT/ETL, Extract, Transform, Load, Data Pipelines, Data Replication, Business Intelligence, Data Modeling (Dimension and Relational), Performance Tuning (SQL, PL/SQL Applications), experience in working with large databases and datasets, testing, validation, implementation, and troubleshooting skills, performance and resource optimization improvements, maintaining development, test and production environments, experience with process automation (monitoring, alerting, auto-corrective) and distributed systems, strong knowledge in PL/SQL, SQL, Oracle Database and - Knowledge in Agile methodology (Scrum, Kanban). - Upper-Intermediate English - Available ASAP - No vacation plans

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Data Engineering

Data Engineering

Apache Kafka

Apache Kafka   1 yr.

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Andrii L., Java Software engineer

Last Updated: 4 Jul 2023

- Experience with the full delivery process: requirements collection, design implementation, bug-fixing, support, installation of a patch to customer environment delivery, on-site production support - Expertise in onsite\online production supports, E2E process troubleshooting, and performance analysis. - 5+ years of experience in the development of enterprise applications

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Asad S., AWS Data Engineer

Last Updated: 4 Jul 2023

- More than 8 years of Data Engineering experience in the Banking and Health sector. - Worked on Datawarehousing and ETL pipeline projects using AWS Glue, Databrew, Lambda, Fivetran, Kinesis, Snowflake, Redshift, and Quicksight. - Recent project involves loading data into Snowflake using Fivetran connector and automation of pipeline using Lambda and Eventbridge. - Performed Cloud Data Migrations and automation of ETL pipeline design and implementations. - Fluent English - Available from 18.08.2022

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Amazon Web Services (AWS)

Amazon Web Services (AWS)

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Anatolii L., BI Engineer with extensive Tableau experience

Zaporizhzhya, Ukraine
Last Updated: 4 Jul 2023

- 12+years of professional experience as a BI - Client's requirements analysis - Database modeling - Writing SQL scripts - Tableau data sources building - Tableau dashboard building - Intermediate English

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Sergii Kh., Azure DevOps

Kyiv, Ukraine
Last Updated: 26 Oct 2023

- Experienced software engineer with over 3 years of experience in DevOps engineering and more than 15 years of experience in IT infrastructure; - Proficient in communicating with customers and business stakeholders, troubleshooting and designing IT infrastructure; - Skilled in hardware support for servers of different brands; - Self-educated and continuously growing skills in networking, Windows, VMware products, Cisco, HPE, and Veeam; - Expertise in Azure and AWS clouds, CI/CD, containers (SaaS, PaaS, IaaS, K8S, AKS, Docker, Kubernetes, Swarm), monitoring tools (Zabbix, Prometheus/Grafana, ELK Stack), IAAC (Terraform, Ansible), operating systems (CentOS, RedHat, Ubuntu, OraLinux, FreeBSD), application/web servers (NGINX, Apache, Tomcat, WEB hosting), databases (Azure SQL, MSSQL, PostgreSQL, MariaDB, MongoDB, MySQL), scripting languages (CSS, HTML, PHP, NODE.js, Python, Pascal, PowerShell, BASH), and more; - Certified in Microsoft Azure Fundamentals (AZ-900) and Cisco NETacad; - Extensive experience in implementing CI/CD/CD for CRM systems, launching projects, and resolving architecture issues; - Proven track record in supporting and designing IT infrastructure, coordinating administrators, and providing user support in various organizations.

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Microsoft Azure

Microsoft Azure

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Welcome to Upstaff

Yaroslav Kuntsevych
Upstaff.com was launched in 2019, addressing software service companies, startups and ISVs, increasingly varying and evolving needs for qualified software engineers

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Trusted by People
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
Roman Masniuk
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
Наталья Кравцова
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 PL Development

How do I hire a PL developer? Arrow

If you urgently need a verified and qualified PL developer, and resources for finding the right candidate are lacking, UPSTAFF is exactly the service you need. We approach the selection of PL 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 PL developers? Arrow

Undoubtedly, there are dozens, if not hundreds, of specialized services and platforms on the network for finding the right PL 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 PL 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 PL 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 PL 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 PL 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 PL 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 PL 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 PL 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

How and where is PL used?

Case NameCase Description
Automated Customer SupportPL Development can be utilized in building automated customer support systems. By leveraging natural language processing and machine learning techniques, PL Development can analyze and understand customer queries, provide relevant responses, and even perform tasks such as ticket routing or order processing. This can greatly enhance the efficiency and effectiveness of customer support operations, reducing response times and improving customer satisfaction.
Intelligent Virtual AssistantsPL Development can be employed to develop intelligent virtual assistants like chatbots or voice assistants. These virtual assistants can understand and respond to user queries, provide information, perform tasks, and even engage in natural language conversations. With the ability to handle a wide range of user interactions, intelligent virtual assistants powered by PL Development can serve as valuable tools for businesses in various industries, such as e-commerce, healthcare, or finance.
Language TranslationPL Development can be utilized to build language translation systems that can automatically translate text or speech from one language to another. By leveraging advanced natural language processing algorithms, PL Development can accurately understand the context and semantics of the source language and generate high-quality translations. Such language translation systems can be beneficial for businesses operating in global markets, facilitating effective communication and breaking down language barriers.
Content GenerationPL Development can be employed to generate content automatically. By analyzing large amounts of data, PL Development can learn patterns, styles, and preferences, enabling it to generate human-like text or other forms of content. This can be useful for various applications, such as generating product descriptions, writing news articles, or creating personalized marketing messages. Content generation powered by PL Development can save time and resources for businesses while maintaining quality and consistency.
Sentiment AnalysisPL Development can be utilized in sentiment analysis, which involves determining the sentiment or emotional tone of a given text. By analyzing the language used and contextual cues, PL Development can accurately classify whether the sentiment expressed is positive, negative, or neutral. This can be beneficial for businesses in understanding customer feedback, monitoring brand reputation, or analyzing public opinion on social media platforms.
Information ExtractionPL Development can be employed in information extraction tasks, where relevant information is extracted from unstructured data sources such as documents or web pages. By applying techniques like named entity recognition and relation extraction, PL Development can identify and extract specific entities, attributes, or relationships from the text. This can be useful in various domains, such as extracting product specifications from e-commerce websites or extracting key information from legal documents.

Cases when PL does not work

  1. When the programming language is not supported by the platform: One of the main reasons PL might not work is if the programming language used is not supported by the platform. Different platforms have different language compatibility, and if the chosen programming language is not supported, the PL will not be able to execute the code properly.
  2. When there are compatibility issues between the programming language and the platform: Even if the programming language is supported by the platform, there can still be compatibility issues that prevent the PL from functioning correctly. These issues can arise from version mismatches, conflicting dependencies, or other technical limitations between the language and the platform.
  3. When the code contains syntax errors or bugs: Another common reason why PL may not work is when the code itself contains syntax errors or bugs. Programming languages typically have strict rules and syntax requirements, and even minor mistakes can cause the PL to fail. It is important to thoroughly review and debug code before attempting to execute it using PL.
  4. When the code requires specific hardware or software configurations: Certain programming tasks may require specific hardware or software configurations that are not available on the platform. For example, if the code relies on specialized hardware accelerators or external libraries that are not supported by the platform, the PL may not be able to execute the code as intended.
  5. When the platform has resource limitations: PL relies on the resources provided by the platform, such as CPU, memory, and storage. If the platform has limited resources and the code requires more than what is available, the PL may fail to execute the code or produce incorrect results. It is important to consider the resource limitations of the platform when using PL.

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

Seniority NameYears of ExperienceResponsibilities and ActivitiesAverage Salary (USD/year)
Junior Developer0-2 yearsAssisting in coding, debugging, and testing$50,000 – $70,000
Middle Developer2-5 yearsDeveloping software modules, participating in code reviews$70,000 – $90,000
Senior Developer5-8 yearsDesigning and implementing complex software systems, mentoring junior developers$90,000 – $120,000
Expert/Team Lead Developer8+ yearsLeading development teams, making technical decisions, project planning$120,000 – $150,000+

Soft skills of a PL Developer

Soft skills are essential for a PL (Programming Language) Developer as they complement technical expertise and contribute to overall success in a professional environment.


  • Effective Communication: Ability to clearly express ideas, actively listen, and collaborate with team members.
  • Adaptability: Willingness to learn and adapt to new technologies and programming languages.
  • Time Management: Ability to prioritize tasks and meet deadlines.
  • Problem Solving: Analytical thinking and the ability to find creative solutions to technical challenges.
  • Teamwork: Collaboration within a team, actively participating in discussions and sharing knowledge.


  • Leadership: Taking ownership of projects, guiding and mentoring junior developers.
  • Project Management: Ability to plan, organize, and manage multiple projects simultaneously.
  • Conflict Resolution: Resolving conflicts and disagreements within the team in a constructive manner.
  • Client Management: Building and maintaining positive relationships with clients, understanding their needs.
  • Presentation Skills: Ability to effectively present technical information to non-technical stakeholders.
  • Attention to Detail: Ensuring code quality and accuracy through thorough testing and debugging.
  • Continuous Learning: Keeping up-to-date with industry trends and emerging technologies.


  • Strategic Thinking: Developing long-term plans and strategies to achieve business goals.
  • Decision Making: Making informed decisions based on thorough analysis and evaluation.
  • Empathy: Understanding and considering the perspectives and needs of team members.
  • Innovation: Driving innovation and finding new ways to improve processes and solutions.
  • Business Acumen: Understanding the business aspects and implications of software development.
  • Mentorship: Mentoring and guiding junior and mid-level developers.
  • Conflict Management: Resolving conflicts and mediating disagreements within the team.
  • Client Relationship Management: Building and maintaining strong relationships with clients.

Expert/Team Lead

  • Strategic Leadership: Setting the overall technical direction and vision for the team.
  • Team Management: Managing and overseeing the performance and development of team members.
  • Project Planning: Developing comprehensive project plans and allocating resources effectively.
  • Influencing Skills: Persuading and inspiring team members to achieve project goals.
  • Change Management: Leading and managing organizational changes related to software development.
  • Risk Management: Identifying and mitigating risks associated with projects and processes.
  • Negotiation Skills: Negotiating contracts, project scope, and resource allocation.
  • Stakeholder Management: Building and maintaining relationships with key stakeholders.
  • Technical Expertise: Deep understanding and mastery of multiple programming languages and frameworks.
  • Strategic Partnerships: Collaborating with external partners to drive innovation and business growth.
  • Team Empowerment: Empowering team members to take ownership and excel in their roles.

Pros & cons of PL

8 Pros of Programming Languages (PL)

  • Efficiency: Programming languages allow developers to write efficient and optimized code, enabling software to run quickly and smoothly.
  • Flexibility: PLs offer a wide range of features and functionalities, allowing developers to build diverse applications for different purposes.
  • Productivity: With PLs, developers can leverage libraries, frameworks, and tools to streamline their development process and increase productivity.
  • Portability: PLs enable developers to write code that can be executed on various platforms and operating systems, providing flexibility and reach.
  • Scalability: PLs often come with built-in scalability features, allowing applications to handle increased workloads and accommodate growth.
  • Community Support: Popular PLs have large and active developer communities, which provide extensive resources, tutorials, and support for troubleshooting.
  • Standardization: PLs follow industry standards and best practices, ensuring code consistency and making it easier for developers to collaborate on projects.
  • Employability: Proficiency in popular PLs opens up a wide range of job opportunities in the tech industry, as many companies require developers with specific language skills.

8 Cons of Programming Languages (PL)

  • Learning Curve: Some PLs can have a steep learning curve, requiring time and effort for developers to become proficient.
  • Compatibility Issues: Different PLs may have compatibility issues when integrating with other languages or systems, leading to additional development challenges.
  • Performance Limitations: Certain PLs may have performance limitations compared to lower-level languages, affecting the speed and efficiency of the software.
  • Security Vulnerabilities: Depending on the PL and its associated libraries, security vulnerabilities can emerge, potentially exposing applications to risks.
  • Versioning Challenges: PLs evolve over time, and developers may face challenges when migrating code from older versions to newer ones.
  • Debugging Complexity: Debugging code in certain PLs can be complex, especially when dealing with large-scale applications or intricate logic.
  • Resource Consumption: Some PLs require more system resources, such as memory or processing power, which can impact the performance of the overall system.
  • Community Fragmentation: The vast number of PLs available can lead to a fragmented developer community, making it harder to find comprehensive resources or support for niche languages.

What are top PL instruments and tools?

  • Python: Python is a high-level programming language that was created by Guido van Rossum and first released in 1991. It is known for its simplicity and readability, making it a popular choice among developers. Python is widely used in various domains, including web development, data analysis, artificial intelligence, and scientific computing.
  • Java: Java is a general-purpose programming language that was developed by James Gosling and his team at Sun Microsystems in the mid-1990s. It is known for its platform independence, which allows Java applications to run on any device or operating system that has a Java Virtual Machine (JVM). Java is widely used for building enterprise applications, Android apps, and large-scale distributed systems.
  • C++: C++ is a powerful and versatile programming language that was developed by Bjarne Stroustrup in the late 1970s. It is an extension of the C programming language and is widely used for system programming, game development, and high-performance computing. C++ is known for its performance and low-level control.
  • JavaScript: JavaScript is a programming language that was created by Brendan Eich in 1995. It is primarily used for front-end web development and adds interactivity and dynamic functionality to websites. JavaScript is supported by all modern web browsers and is an essential tool for building web applications.
  • Rust: Rust is a systems programming language that was designed by Mozilla Research and first appeared in 2010. It aims to provide memory safety, concurrency, and high performance. Rust is gaining popularity for its ability to write safe and efficient code, making it suitable for systems programming and building critical software.

TOP 10 PL Related Technologies

  • Python

    Python is a versatile and widely-used programming language that is known for its simplicity and readability. It is an excellent choice for beginners and experienced developers alike. With a vast ecosystem of libraries and frameworks, Python is ideal for various applications, including web development, data analysis, and machine learning.

  • JavaScript

    JavaScript is the backbone of modern web development. It is a high-level, interpreted programming language that enables dynamic and interactive web pages. With frameworks like React and Angular, JavaScript has become even more powerful, allowing developers to build complex single-page applications and mobile apps.

  • Java

    Java is a widely-used programming language that has been the backbone of enterprise software development for decades. Known for its stability, scalability, and security, Java is used to build robust backend systems, Android applications, and enterprise applications. Its extensive ecosystem and strong community support make it a top choice for many developers.

  • C#

    C# is a versatile programming language developed by Microsoft. It is primarily used for developing Windows applications, web services, and games using the Unity game engine. C# is known for its simplicity, powerful features, and integration with the .NET framework, making it a popular choice for Windows developers.

  • PHP

    PHP is a server-side scripting language that is widely used for web development. It is known for its ease of use and integration with popular databases like MySQL. PHP powers popular content management systems like WordPress and is a fundamental technology for building dynamic websites and web applications.

  • React

    React is a JavaScript library for building user interfaces. It allows developers to create reusable UI components, making it easier to build complex web applications. With its virtual DOM and efficient rendering, React provides a seamless and performant user experience. React has gained significant popularity and is widely used in the industry.

  • Node.js

    Node.js is a JavaScript runtime environment that enables server-side development with JavaScript. It is built on Chrome’s V8 JavaScript engine and is known for its scalability and non-blocking I/O model. With Node.js, developers can build fast and scalable network applications, making it a popular choice for building backend APIs and real-time applications.

TOP 14 Facts about PL

  • PL stands for Programming Language.
  • There are thousands of programming languages in existence today.
  • One of the oldest programming languages is Fortran, which was developed in the 1950s.
  • Python is one of the most popular programming languages used by developers today.
  • Java is another widely used programming language, known for its platform independence.
  • C is a powerful and efficient programming language commonly used for system programming.
  • JavaScript is a scripting language primarily used for web development.
  • Ruby is a dynamic, object-oriented programming language known for its simplicity and readability.
  • C++ is an extension of the C programming language and is commonly used for game development and systems programming.
  • Perl is a versatile programming language known for its text processing capabilities.
  • Go is a relatively new programming language developed by Google, designed for simplicity and efficiency.
  • PHP is a server-side scripting language commonly used for web development.
  • Swift is a programming language developed by Apple for iOS and macOS app development.
  • Rust is a system programming language known for its memory safety and performance.

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