Hire Vetted Web Application Engineers at Upstaff - Page 17
All vetted software engineers you need to build AI, Web3, and data Products.
- Dedicated Full-time commitment for long-term or Time& Material for shorter or ongoing support
- Europe, Israel, LatAm, United States, Asia geography coverage
- Remote and hybrid engagement
- Trial period, no termination fees or hidden costs for transparent and risk-free onboarding.
Web Application
All
Web Application
Data and Analytics
Operations and Cloud
Mobile Application
Digital Platforms
Blockchain
Design and Creative
Quality Engineering and Testing
Delivery Management and Analytics
Desktop Software
Writing and Translation
Marketing and SEO
Scripting and Automation
Embedded Systems
Low-Code
GameDev
Industrial Engineering
PHP 6yr.
Shopify 6yr.
Laravel 6yr.
- Highly experienced PHP developer with over 6 years of experience in software development.
- Proficient in PHP and Shopify development, with deep knowledge of web development technologies.
- Strong computer science expertise and commercial experience in web services architecture and development.
- Skilled in integrating with payment systems and has a strong analytical ability.
- Possesses a high level of responsibility and a strong background in mathematics.
- Demonstrates excellent research skills and the ability to come up with innovative solutions.
- Effective communicator, team-player, and self-motivated individual with a Master's degree in Yaroslav Mudryi National Law University.
- Intermediate+ English
- Availability starting from ASAP
JavaScript 25yr.
C#
Angular
Cesar is a Senior Software Engineer with over 15 years of experience in various aspects of the software development life cycle.
He is a full-stack software engineer proficient in .Net and Angular, with expertise in a range of technologies.
Cesar has worked on projects in the Anti Money Laundering space and as a Technical Lead for a risk analytics company. He has also worked as a full stack developer for a US-based construction company, utilizing modern stack technologies such as Angular, .Net, Docker, Kubernetes, and Azure Functions. Cesar has experience working with companies like Kinectify, Hexaware Technologies, Definity First, Icalia Labs, Softtek, Bind ERP, Minnt, SVAM International, and the University of Texas at Brownsville. He holds a Bachelor's degree in Computer Science from the University of Texas at Brownsville. Cesar's technical skills include AngularJS, JavaScript, PHP, and he is fluent in Spanish and English.
PHP 9yr.
Laravel
MySQL
PostgreSQL
- 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.
SAP Fiori
Sap Ui5
SAP Data Intelligence
Node.js
- Certified SAP Technical consultant with an overall experience of 18 years, including 7+ years of client-facing experience (On-site) and remaining experience in On-site/Offshore delivery model with multiple roles such as Solution Architect, Solution Expert, Team Lead, Lead Developer, and On-Site Coordinator
- Employed with top SAP Consulting giants like SAP Global Delivery (SAP GDC) and IBM Global Services, including project engagements with top SAP clients such as ERICSSON, SAP, CINTAS, GROWMARK, Daimler, Honeywell, Valvoline and MAXCOM
- Extensive Hands-on Experience (Expert level) in the following areas of SAP: SAP UI5/FIORI, SAP HANA Modelling, HANA XSODATA and XSJS, SAC (SAP Analytics Cloud), SAC Planning, SAP DWC (Data Warehouse Cloud), SAP DI (Data Intelligence)
- Hands-on Experience in SAP Functional modules such as HR, E-Recruiting, MM, SD, FICO, CRM PPM, Treasury, IS-Telecom/Utilities, including latest offerings from SAP such as SAP BRIM (Hybris Billing & Invoicing), and SAP CI Solution
Java 4yr.
Spring 4yr.
- 4+ years of experience in Java development
- Strong knowledge in programming Spring Framework, Hibernate, and Java Core
- Experience in using Design patterns
- Good logical thinking and self-learning abilities
- High level of responsibility and commitment
- Knowledge of SCRUM and TDD development methodologies
- Upper-intermediate level of spoken and written English
- Master's degree in Mechanical Engineering
- Experience in various projects, including Saas platforms, online systems, and business automation solutions
- Strong understanding of software development principles, paradigms, and patterns
- Proficient in SDLC and software development practices
- Expertise in back-end development, bug fixing, and new feature development
- Strong problem-solving and analytical skills
- Excellent communication and teamwork abilities
PHP 12yr.
- Experienced PHP developer with over 12 years of total work experience
- Strong expertise in designing and developing new features, improving architecture, and enhancing performance
- Proficient in OOP designing and development, CMS development using MVC, and creating interactive web interfaces with AJAX, JavaScript, and JQuery
- Skilled in working with markup languages such as HTML, CSS, XML, and JSON
- Familiar with various web and scripting technologies, including PHP (SMARTY, Yii, Zend, Symfony2, FuelPHP), Unix Shell, and client-side scripting with JavaScript and jQuery
- Knowledgeable in client/server architecture, distributed systems, object-oriented design, networking, multitasking, and database programming
- Experienced in project management using SCRUM and Agile methodologies, and proficient in version control systems like SVN and Git
- Intermediate English
Java
- 5+ years experience in Java and related technologies.
- Good knowledge in programming Spring Framework, Hibernate, and Java Core.
- Experience in creating microservices architecture APIs from scratch and deploying them.
- Participated in the discussion of API architecture and technology stack.
- Proficient in writing integration tests.
- Upper-Intermediate English
Java
- 5+ years experience in Java development
- Good knowledge in programming Spring Framework, Hibernate, Java Core;
- Database expertise with PostgreSQL, MySQL, and Oracle DB.
- Skilled in microservices architecture and containerization using Docker and Kubernetes.
- Proficient in cloud computing platforms, especially AWS services such as EKS, DynamoDB, S3, and SQS.
- Experience in using Design patterns;
- Upper-Intermediate English.
Java
- 5+ years experience in the IT industry working with Java and related technologies.
- Good knowledge in programming Spring Framework, Hibernate, and Java Core.
- Has experience with microservices architecture.
- In-depth knowledge of database systems, especially PostgreSQL, and related migration tools like Flyway and Liquibase.
- Proficient in AWS services such as Elastic Kubernetes Service (EKS), PostgreSQL, DynamoDB, S3, and more.
- Proficiency with messaging systems like Kafka and RabbitMQ.
- Demonstrated history of working on innovative projects within the green technology domain, including sophisticated statistical analysis for order processing.
- Proficient in implementing and maintaining security protocols and access control using Spring Security.
- Upper-Intermediate English.
TYPO3 15yr.
- 15 years of commercial experience with Typo3
- Proficient in TYPO3, TypoScript, Fluid/Flux, PHP, Foundation/Bootstrap, MySQL, GIT, jQuery/AJAX, Docker, XAMPP, Memcached/Redis, Xdebug, PhpStorm, REST, and design patterns.
- Skilled in Apache/Nginx, shell/Bash scripting, LAN & VPN configuration, and continuous integration.
- Certified TYPO3 Integrator with several years of experience in web development and TYPO3 work.
- Extensive work experience with various companies, including Q3i, Dobre Badanie/Wondernet, KBSystems, masz.to, Hint Intermedia
- Strong portfolio of websites worked on, including frontend integration, backend development, system updates, functionality enhancements, and maintenance.
- Upper-Intermediate English
Laravel
- Sauvik Kundu is a Senior Software Engineer with 6+ years of experience in backend development.
- He has expertise in PHP, Laravel, MySQL, and Web Services API.
- Sauvik has worked on projects related to Management, SaaS-based, CRM, ERP, E-commerce, and Chat apps.
- He has experience in optimizing project queries and integrating various APIs and tools.
- Sauvik has a strong understanding of Agile methodologies and Test Driven Development.
- He has a Master's degree in Computer Science and Engineering from BRAC University.
- Sauvik is passionate about product growth and user-centric design, and aims to work in dynamic, product-focused companies.
Rust
- Software developer with more than 7 years of experience.
- Deep experience of Profiling and debugging of applications
- Knowledge and usage of OOP, SOLID, DIY, DDD principles, architectural and design patterns
- Running of code reviews, design of application architecture, developing of CI/CD processes, research and evaluation of technical options to implement business requirements, analysis and estimation of implementation efforts
- Organization and conduction of lectures for teammates, interview conduction, interaction with business and other teams, running demos for business, assistance to team members in case they require help.
- In-depth knowledge of web technologies
- Upper-Intermediate English.
- Available: ASAP
PHP 5yr.
AngularJS
- Backend developer with 5 years of practical experience in software development.
- Experienced in working with live projects based on various frameworks and CMS such as Laravel, Adapt-Framework, Symfony, WordPress, and Slim.
- Proficient in programming languages including PHP, JavaScript, Node.js, Next.js, Vue.js, and Angular.js.
- Familiar with technologies such as Xdebug, PSR, API, REST, AWS, HTML, CSS, XML, AJAX, JSON, OAuth, SOAP, SOLID, and DRY.
- Skilled in using development environments and tools like PhpStorm, WebStorm, PyCharm, and Visual Studio.
- Knowledgeable in source control systems like GIT and Mercurial.
- Experienced in Agile, Scrum, and Waterfall methodologies and has a clear understanding of the full development life cycle and testing processes.
PHP
- Software Engineer with over 11 years of commercial development experience
- Extensive experience in developing applications using PHP and Python
- Skilled in building high-loaded online stores using SOLID, DRY, and KISS principles
- Strong background in architecture design and database optimization
- Proficient in mentoring senior specialists and conducting code reviews
- Experienced in stress testing and speed optimization
- Familiar with MVC and Domain-Driven Design architecture, as well as Restful API development
- Intermediate English
- Availability starting from ASAP
Python 4yr.
- Experienced software engineer with 4+ years of experience in Python development.
- Proficient in Python and deep knowledge of web development technologies.
- Strong understanding of software design principles and methodologies.
- Skilled in using various programming languages such as Python, JavaScript, and SQL.
- Familiarity with popular frameworks and technologies including Django, Flask, Docker, and AWS.
- Excellent knowledge of common software engineering practices like test-driven development and continuous integration.
- Experienced in working with Redis, MySQL, and PostgreSQL databases and cloud platforms like GCP and AWS.
- Upper-Intermediate English.
- Availability starting from ASAP
React 5yr.
- Experienced front-end developer with 5+ years of commercial experience in IT.
- Proficient in developing web applications using JavaScript, React, and Node.js.
- Deep knowledge of HTML, CSS, and TypeScript.
- Skilled in working with complex tasks and projects, from simple sites to large-scale projects for companies.
- Strong attention to detail and logical thinking, with a focus on delivering high-quality results.
- Excellent team player with good communication skills and a strong work ethic.
- Eager to learn new technologies and stay up-to-date with industry trends.
- Intermediate+ English.
- Availability starting from ASAP
React 5yr.
- Front-end Developer with 5+ years of commercial experience in IT.
- Proficient in developing web applications using JavaScript (React, Redux).
- Strong logical thinking and high level of responsibility.
- Experienced in working on complex tasks and projects for companies.
- Skilled in using JavaScript ES5, ES6, HTML5, CSS3, and other related technologies.
- Familiar with development methodologies such as SCRUM.
- Excellent attention to detail and ability to work as part of a team.
- Intermediate+ English
- Availability starting from ASAP
Python
Experienced software engineer with a strong background in computer science and a focus on full-stack development.
- Strong skills with Python, Node.js, and JavaScript;
- Expertise in frameworks Flask, Django, and React;
- Skilled in working with databases including PostgreSQL, SQLite, MySQL, and Redis;
- Deep skills with technologies like Docker and Elasticsearch;
- Extensive experience in developing RESTful APIs, GraphQL, and Fast API, with a solid understanding of CI/CD processes.
- Knowledgeable in machine learning techniques, particularly neural networks like darknet and caffe;
- Demonstrated success in optimizing software performance, improving productivity, and implementing system integrations;
- Strong problem-solving and collaboration skills, with a track record of mentoring and leading teams in technical projects.
JavaScript
Node.js
Software Engineer for 3+ years. Worked on e-commerce, social, sports, business projects from scratch and support projects. Always eager to learn new technologies and share knowledge among co-workers. I truly enjoy the developer role and work on each project with dedication.
Python
- Highly skilled Python Developer with a strong background in computer engineering and a Bachelor's degree from Kharkiv National University of Radio Electronics.
- Proficient in various programming languages including Python, JavaScript, and SQL.
- Demonstrated expertise in developing Python MVT modules, automation testing, and implementing new functions in various projects.
- Proven ability to create readable and maintainable code and solutions.
- Strong problem-solving and bug fixing skills.
- Excellent team player with the ability to work collaboratively in a fast-paced environment.
- Intermediate English
- Availability starting from ASAP
Java
- With over 5 years of experience as a Java Engineer, I have developed a wealth of expertise in creating and implementing sophisticated applications for enterprise-level projects. My technical knowledge spans multiple technologies, including Java, Python, Spring Boot, CI/CD, or even with Hugging Face. Throughout my career, I have taken on various responsibilities, such as system designing, coding, testing, and deploying software, with a specific emphasis on architecture and development.
- My passion for innovation drives me, and I hope to establish my startup in the future. I excel in working collaboratively as part of a team, and my exceptional communication and problem-solving skills make me confident in my ability to make a significant contribution to any organization.
- Upper-Intermediate English.
- Availability starting from ASAP.
Node.js
- More than 6 years in developing web applications using JavaScript (Node.js, React.js).
- Strong communication skills;
- Responsible and hard-working;
- New functionality development.
- Good logical thinking and team player
- Upper-Intermediate English.
- Availability starting from ASAP.
Python
- Full-Stack developer with 5+ years of professional experience
- Back-end development with Python (Django, Tornado), familiar with Python frameworks like Celery, Selenium, Asyncio
- Database knowledge of MongoDB, PostgreSQL, Redis
- Some DevOps knowledge with Docker, Kubernetes
- Front-end development with Angular
- Upper-Intermediate English
Python
- 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.
JavaScript
React Native
- 6+ years of commercial experience in IT.
- Development, refactor and support of web/mobile applications based on React and React Native
- Deep knowledge of HTML, CSS and JavaScript
- New functionality development
- Communicative, responsible, hardworking, result-oriented
- Good attention to details
- Good logical thinking and team player.
- Intermediate English.
- Availability starting from ASAP.
.NET
- 5+ years of professional experience in the Information Technologies (IT) industry.
- Refactoring of the existing applications.
- Experience in developing applications using C#, JavaScript, TypeScript.
- Experience in developing web applications using frontend frameworks.
- Experience in load testing, automated unit testing, configuration of CI/CD.
- Experience with Azure services.
- Good knowledge in OOP, coding standards.
- Good knowledge in Database.
- Active and self-motivated team member.
- Responsible, hard-working, result-oriented, creative and communicable, team player.
- Skilled in client communication, software development and prioritizing competing deadlines.
- Ability to multi-task with careful attention to detail.
- Upper-Intermediate English.
- Availability starting from ASAP.
HTML
CSS
- 8+ years of commercial experience in IT
- Good logical thinking, high level of responsibility
- Communicative, responsible, hardworking, result-oriented, and team player
- Good attention to details
- Pre-Intermediate English.
- Availability starting from ASAP.
.NET
- 8 + years in the Full-stack .NET Development.
- Good knowledge in programming Entity Framework, JavaScript, Asp.NET MVC, Web API;
- Experience in developing web applications using frontend frameworks.
- Experience in developing desktop applications.
- Experience with Azure services.
- Experience in load testing, automated unit testing, configuration of CI/CD, code review.
- Good knowledge in OOP, best practices, coding standards.
- Database design.
- Projects estimation.
- Experience in project leading.
- Mentoring new team members and interns.
- Good logical thinking, self-learning, high level of responsibility.
- Responsible, hard-working, result-oriented, creative and communicable, team player.
- Good attention to details.
- Upper-Intermediate English.
- Availability starting from ASAP.
- 9 years of commercial experience in the Information Technologies (IT) industry.
- Experience in developing web applications using frontend frameworks.
- Experience in developing desktop applications.
- Good knowledge in OOP, best practices, coding standards.
- Experience in load testing, automated unit testing, CI/CD setup, code review.
- Experience with variety of workflow engines, ORMs, SQL and NoSQL databases.
- Development of the database structure.
- Application development using microservices and monolithic architecture.
- Microsoft Certification: Microsoft Azure Developer Associate.
- Microsoft Certified Solutions Associate: Web Applications.
- Microsoft Certified Solutions Developer: App Builder.
- Refactoring of the existing applications.
- Optimizing the performance of existing applications.
- Development of novel services.
- High-level and detailed application architecture. Responsible, hard - working, result-oriented.
- Upper-Intermediate English.
- Availability starting from ASAP.
Java 10yr.
- Java Team Lead and Architect with 10+ years of a demonstrated history of working in various industries, including finance, entertainment, and retail.
- Proficient in Java, Scala, AWS, Jenkins, Docker, Maven, and other technologies for building high-load applications and services.
- Extensive experience with Kafka Streaming applications for data transformation and aggregation.
- Successfully designed and managed high-load applications utilizing Kafka for data processing and prediction.
- Strong background in AWS, utilizing services like AWS Lambda, Docker, and Kubernetes to build scalable and efficient systems.
- Strong experience designing and implementing technical solutions, setting up Agile teams, and mentoring developers.
- Proven ability to handle multiple projects through the entire lifecycle, ensuring timely and within-budget delivery.
- Experienced in conducting requirement analysis, identifying risks, and conducting mitigation action planning
- Upper-Intermediate English
Java
Angular
- Java lead developer with 11+ years of complete circle engineering, development teams management, and architecture design.
- Full-Stack Development Proficiency covering frontend technologies like AngularJS, Angular 11, ReactJS, and backend technologies including Java 8-14, Spring Boot, Hibernate, and more.
- Proven Expertise in architecture design, system migration, and refactoring, enhancing performance and maintainability.
- Specialized in RESTful APIs, designing, implementing, and optimizing high-performance APIs to facilitate seamless integration.
- Successful Project Delivery, including Internet banking systems, contract management platforms, legal aid services, and ISP monitoring systems.
- Strong Database Management Skills, with experience in PostgreSQL, OracleDB, HBase, Hadoop, and MongoDB.
- 7+ years of experience as a Lead Engineer, leading teams of 10+ developers
- 5+ years of experience as an Architect
- Upper-intermediate English
.NET
- 8+ years of commercial work experience in IT.
- Experience in developing applications using C#.
- Experience in development on the Microsoft .NET platform (C#, ASP.NET MVC, ASP.NET Web API).
- Experience in developing web applications using frontend frameworks.
- Refactoring of the existing applications.
- Experience with variety of workflow engines, ORMs, SQL and NoSQL databases.
- Experience with:
- Database design;
- Solutions on the back-end from scratch.
- Refactoring of the existing applications.
- Optimizing the performance of existing applications.
- Good attention to details
- Highly motivated team player.
- Upper-Intermediate English.
- Availability starting from ASAP