Hire Top Vetted Web Engineering Engineers at Upstaff - Page 10

Accomplished Senior Full-Stack Software Engineer with a focus on Ruby on Rails development, boasting extensive experience in building scalable web platforms and mobile applications compliant with HIPAA regulations. Possesses a strong command of front-end and back-end technologies including Ruby on Rails, Vue.js, React.js, Angular.js, PostgreSQL, MongoDB, and expertise with various APIs and integrations. Proficient in implementing sidekiq for efficient background job processing and skilled in deploying applications on Heroku along with AWS services management. Holds a Master’s Degree in Software Development from Cherkasy Engineering and Technological Institute, underpinning a solid theoretical foundation with hands-on experience in the end-to-end software development lifecycle. Demonstrated leadership capabilities in architecting robust solutions and leading technical teams. Brings over a decade of industry experience across healthcare, financial, and social media marketing sectors.

A seasoned Senior Software Engineer with a robust background in Computer Science from Menofia University, boasting extensive experience in backend and mobile solutions. Demonstrates deep expertise in cloud-native technologies, microservices architectures, and Agile project management methodologies. Strong track record in leading development teams, executing full SDLC, and elevating product quality through rigorous testing practices, including unit and integration tests. Advanced proficiency in a suite of technologies, including Node.js, React Native, AWS Services, Docker, and K8s, coupled with a commitment to best practices in software engineering, notably in database optimization, API design, and DevOps techniques.

- Software Developer with over 7 years of experience - Experience with React over 7 years - Experience with React Native over 3 years, which included migration from Java to React Native and building a medical platform - Experience of work in mixed teams - Upper-Intermediate English

- Motivated software engineer with 7 years of iOS development experience (Swift, SwiftUI, and Objective-C). - Over 30 App Store project launches for iOS/macOS, including VPN, OpenVPN protocols, and deploy VPN servers) - Comfortable in both sole developer and team player roles, team-lead experience - Back-end experience with GoLang (last two years) - Upper-Intermediate English - Available to start ASAP

- 11+ years of experience in web development and 4 years of experience in the Fintech domain. - Proficient in various PHP frameworks such as YII2, Laravel and Symfony. - Experienced in front-end technologies including HTML5, CSS3, SASS, LESS, and JavaScript. - Strong knowledge of APIs and integrating payment gateways (Crypto, APM, S2S). - Expertise in designing and developing secure web applications. - Familiarity with AWS, Microsoft Azure, and other cloud infrastructure management. - Proven track record of successfully delivering projects on time and within budget, receiving commendations for technical prowess, innovative solutions, and team collaboration. - Location: Poland - Available: ASAP

- 7+ years of experience as an .NET Software Engineer - A Full Stack Software engineer with strong knowledge of developing comprehensive solutions from scratch. Expertise in all phases of the software development life cycle (SDLC) - project analysis and planning, requirements analysis, architecture design, development, testing, deployment, and documentation. Using modern technologies that stream data between systems, customers, and partners during the project development process. - English: Upper-Intermediate

- Java Full Stack Developer with 8+ years of experience, specializing in Java, J2EE, Spring, Hibernate, RESTful webservices, Angular, and Oracle database. - Proficient in design and implementation of complex modules, with expertise in payment processing systems, workflow customizations, and performance optimization. - Successfully owned and delivered end-to-end modules, including handoff generation, auditing, and limit cutoff modules. - Significant experience with role-based authentication, CRUD operations, and integration with 3rd party systems using OAuth2 and PGP encryption. - Skilled in front-end development with AngularJS, creating responsive designs and utilizing tools like Jenkins and SonarQube for deployment and code quality. - Holds a Bachelor's degree in Engineering, demonstrating a strong technical foundation and commitment to continuous learning.

Full Stack Web Developer with hands-on experience in optimizing web application performance, particularly in eliminating N+1 queries and upgrading pagination systems to improve speed and efficiency. Proven track record with the Open Food Network optimizing app loading times by 4% and enhancing CI build times from 12s to 0.2s. Skilled in front-end technologies including JavaScript, React, and Redux, as well as back-end expertise in Ruby on Rails, MySQL, and PostgreSQL. Demonstrated proficiency in Git, GitHub, Heroku, and Netlify, alongside a strong foundation in Mobile/Responsive Development and TDD with tools like RSpec. Holds a Bachelor's degree in Computer Science and Engineering from Anna University and has completed a Full Stack Web Development Program focusing on advanced algorithms, data structures, and project-based learning with international teams. Actively volunteers as a mentor to junior web developers, emphasizing high-quality coding standards and performance optimization.

- 5+ years of experience in the IT industry - Code in multiple languages, with interest in Flutter/Dart, JavaScript/TypeScript/React/NodeJS and Ruby - Worked with Flutter since the initial release date - Fluent English - Fluent Arabic - Available ASAP

- 6 years of experience in IT - 5 years of experience with Golang - 6 years of experience with Python - Fluent English - Available ASAP

- Experienced Software Engineer with 8 years of commercial experience in demanding environments, focused on producing cutting-edge systems for businesses. - Skilled in infrastructure cost optimization, Kubernetes, and Terraform. - Proficient in PHP, JavaScript, Golang, and various databases such as MySQL, PostgreSQL, and MongoDB. - Extensive experience with Amazon Web Services (AWS) and containerization technologies like Docker. - Strong background in computer science with a Master's degree in Computer Science. - Familiar with Agile and Scrum methodologies, as well as software development practices and SDLC. - Excellent communication skills and fluent in Ukrainian with advanced English proficiency.

Accomplished Ruby/Ruby on Rails developer with over 5 years of experience and a strong background in computer science from Ivan Franko National University, class of 2013. Noteworthy expertise in complex system integration, big data processing, and SDLC for energy management, payroll, benefits administration, recycling, and food nutrients management applications. Proficient in a diverse technology stack including Ruby, Rails, Git, SQL, Heroku, Webix JS, AWS, and Capistrano. Demonstrated success in working with both start-ups and established enterprises in Ukraine and the USA, contributing to significant projects that are widely used by public organizations and private businesses, especially in the recycling and HCM domains.

- Python Software Engineer with 6+ years of experience in the IT industry - Fluent English - Beginner Dutch, German

- 6+ years experience as a Software Engineer; - 2 years experience working with Go; - Deep abilities working with Rust; - Good knowledge of creating smart contracts; - 4 years experience working with JavaScript, React, Next.js, Redux; - Experience working with TypeScript; - 3+ years of experience working with Node.js; - Good skills working with NestJS; - Experience working with Python, Swift, Kotlin, Flutter, Express; - Experience working with AWS; - Experience working with PostgreSQL, MongoDB; - Good skills on team lead - led ~12 people; - Took part in all aspects of product design and engineering, from marketing, and business investigation to the MVPs for start-ups, pitch decks, and mock-ups; - Upper-Intermediate English.

A versatile Full Stack Software Engineer with five-plus years of hands-on experience in several phases of the Software Development Lifecycle. Notable strengths include proficiency in Python and JavaScript, expertise in backend development with Django, Flask, Node.js, and frontend projects using React.js, Next branding. Equipped with practical knowledge in deploying applications on cloud platforms such as AWS, Digitalocean, and Azure, and leveraging Docker and Kubernetes for containerization. The engineer has a solid foundation in database design and querying, using PostgreSQL, MySQL, Elasticsearch, and Redis as data stores. Adept in Agile methodologies, the candidate presents an impressive track record of implementing robust web services and maintaining REST APIs, with a penchant for mastering new technologies and complex problem-solving.

- Seasoned RPA developer with over 8 years of experience, adept at designing, developing, and deploying automation bots using UiPath, WinAutomation, and Power Automate Flow. - Proficient in programming languages such as Python and Go, with a strong foundation in databases like MySQL and MS Access DB. - Comprehensive expertise in UI development and deployment, backed by a solid understanding of SDLC, version control with Git, and proficient use of JIRA and ServiceNow for project management. - Holds a BSc-IT degree from University of Mumbai and has worked with reputed organizations, contributing to significant projects that showcase an ability to collate requirements, execute thorough assessments and develop meticulous design documents, - Proven track record in module leadership at Happiest Minds and previous pivotal roles in large firms like JP Morgan Chase and Tata Consultancy Services. - Demonstrates a deep commitment to quality, skilled at working across multiple operating systems, and frequently engages with the tech community by developing applications and writing technical blogs.

- Full-stack Ruby developer with 6+ years of experience in developing both front-end and back-end components of web applications. - Has experience in front-end frameworks, including ReactJS, Angular, Vue3, and React Native. - Proficient in PostgreSQL and MySQL for database design, query optimization, and data storage solutions. Has experience with MongoDB. - Worked with AWS for deploying and managing applications in the cloud. Utilized Kamal for deployment automation and management. - Extensive experience with RSpec for writing test scenarios and ensuring code quality. - Skilled in using Grape for API development.

Software Engineer with 4+ years of experience, specialized in backend systems, Rest APIs, and Blockchain solutions using Go, Typescript, and the Google Cloud Platform (GCP) ecosystem. Proficient in a range of technologies including Dart/Flutter for mobile development, as well as CI/CD, ReactJs, and NextJs for front-end solutions. Holds a BEng in Computer Engineering with ongoing MEng studies, emphasizing a strong foundation in theoretical and applied computer science. Track record of developing scalable mobile applications and optimizing performance, with notable contributions to projects such as the Mbelemama Mobile app and contributions to Bitcoin state representation (Utreexo). Adept in modern software developments practices, particularly focused on microservices architecture and cloud-native technologies.

- Full-stack development with 6 years of extensive experience in back-end and front-end development across various industries, including healthcare, education, consumer goods, and hospitality. - Strong expertise in server-side programming with PHP, including advanced knowledge of PHP 7.x and 8.x. - Extensive experience creating responsive and user-friendly interfaces using HTML5, CSS, and JavaScript. - Skilled in modern JavaScript frameworks and libraries, including JQuery and Ajax for dynamic web applications. - Experienced in utilizing WordPress for content management and website development.

* Software engineer with over 4 years of experience in mobile app development, specializing in Flutter and proficient in Dart, Kotlin, and Go. * Strong technical expertise in building robust backend systems, REST APIs, and has a keen interest in Blockchain technology within the GCP ecosystem. * Demonstrated ability in web development using modern technologies including HTML, CSS, JavaScript, React, and NextJs. * Active contributor to open-source projects, enhancing the value of platforms like APIDash and GoCoin. * Holds a Bachelor's and a Master's degree in Computer Engineering, underpinning a solid understanding of software development practices. * Recognized for building impactful mobile applications such as Edutive for education and Racha for addiction management.

Software Engineer with expertise in backend development, blockchain technology, and big data, boasting a solid foundation in computer science from Ukrainian Catholic University. Holds a strong junior/middle experience level, with hands-on Rust, C++, and a gambit of modern technologies such as Solana, Axum, and Kafka. Proven track record of developing robust solutions for cryptocurrency swapping and NFT architecture, time-series data manipulation, and digital media copyright solutions. Notable achievements include contributions to open-source projects, and winning a national programming tournament. Fluent in advanced software engineering paradigms and well-versed in real-time streaming and machine learning library development.

- More than 17 years of commercial experience in IT; - Experience cooperating with clients worldwide and building products related to various spheres: e-commerce, real estate, custom CRM, trading, social media and many more. Product tech design and full cycle of development and support; - Deep experience in development web applications using Ruby on Rails, Rust, Java, JavaScript, Go; - Strong experience of AWS, Azure Clouds, Google Clouds; - Experience in team leading and CTO; - Upper-Intermediate English; - Available: ASAP.

- 8 + years experience in IT; - 5+ years experience working with Rust; - Good skills in creating smart contracts for Solana and NEAR Blockchains; - Experience in building a bridge to Casper Network; - Experience working with Filecoin, Zero Knowledge modules, and Fuel Blockchain; - Deep abilities with MySQL, PostgreSQL, MongoDB; - Experience working with Python, Java, PHP, Scala, and Spring; - Good knowledge of AWS ElasticSearch; - Experience working with Docker and Kubernetes (K8s); - Experience working with DeFi and DEX projects; - Deep skills with Apache Cassandra and Apache Spark; - English: Upper-Intermediate.

- 4 years of development experience, including 2 years of Rust development and 2 years of previous Python backend development experience. - Development and design of high-load fintech solutions using Rust and Python - Experience with Rust microservices (Actix Web, Rocket, AWS Lambda) - Upper-Intermediate English

- Started career as a Ruby on Rails developer and worked exclusively with it for around 4 years, after which switched to Elixir and have 3.5 years of commercial experience with it - Last version engaged with RoR: 5.2 - Proficient in Phoenix / Elixir, Ruby on Rails, and AngularJS, focusing on performance improvements, test coverage, and refactoring. - Foundational knowledge of Haskell and Plutus for writing smart contracts on the Cardano blockchain. - Upper-Intermediate English

- More than 10 years of experience in developing applications using JavaScript and TypeScript - Experience with a setup a blockchain IoT network using the Hyperledger(infrastructure) - Built a system and smart contracts, that are deploying into ETH network for digital signing of contracts for each deal of customers - Setup an ETH explorer - Build a web game, based on Solana, NFT tokens - Experience with a migration from a monolithic architecture to microservices, it helped to spread jobs between teams and increased development speed, also here grew and lead the most productive team in the company (11 people) - For the KYB/KYC platform startup based in Estonia architectured and implemented a whole app with Nest.js and React, it helps to build scale and flexible application, CQRS architecture - Built processes for project lifecycle from development to release, CI/CD, started and scaled team, held workshops for the team - Built a headless modern framework for frontend that based on React, swiftly increased a development speed - Solved problem with a slow project building, increased speed x7.7 (210s ->27s) - Supported a quite aging project and migrated some parts to microservices, wrapped into Kubernetes - Optimized database queries, increased x3 - Suggested a better structure for a codebase for GraphQL and React, increased development speed - Architecture & Tech Lead at Node.js Department

Software engineer with a B.Tech. in Computer Science from VIT, bringing over 2 years of experience in software development with a focus on Flutter, Angular, and Java. Known for leading a team of developers to a 25% productivity increase and spearheading project efficiencies that cut time-to-market by 20%. Engineered solutions for Amadeus Labs that enhanced code quality and accelerated development speed, including a pivotal legacy code migration to Angular 15, which significantly improved user experience. Proven expertise in mobile and web app development, evidenced by the successful launch of an Anime Social Entertainment App and a personalized image-sharing app 'Qutu', with the latter achieving 2k downloads within its first 6 months on the Google Play Store. Proficient in Dart, NodeJs, Firebase, Google Analytics, and modern SDLC practices, this engineer's technical acumen and industry experience make them a standout candidate.

- 6 years experience with Python - Proficiency with Python, SQL, ETL, AWS Services. - Experience with scraping data (tiki, lazada, shopee, aliexpress), Amazon Dropshipping Business projects, e-commerce platforms, platforms of digital data. - Location: Vietnam

- Lead Java Engineer and Architect with extensive experience designing and implementing scalable, high-loaded solutions for cloud services and secure VPN connections. - Proficient in Java (J2SE, J2EE), C#, Python, HTML, CSS, JavaScript, and Angular. - Expertise in frameworks and technologies such as Spring Boot, Spring Framework, Servlets, REST web services, JUnit, Dropwizard, and EJB3. - Skilled in building and maintaining CI/CD pipelines, deployment flows, and conducting deployments. - Proficient in working with GCP and has experience with AWS and Azure. - Experienced with databases and search technologies, including ElasticSearch, MongoDB, PostgreSQL, Derby SQL, Couchbase, and Google Cloud SQL. - Strong capability in requirements analysis, documentation creation, and customer communication. - Proven leadership in mentoring and guiding junior developers and leading development teams.

- Full-Stack (Python + Vue.js) Software Engineer with a background in digital marketing; - Core Python, Flask & Django Frameworks, reusable code - RESTful APIs - MVC, SOLID, DRY principles; - SQL, Django ORM, Elastic Search Platform - Upper-intermediate English; - Available ASAP

* Software Engineer with 4+ years of full-stack development experience, specializing in utilizing modern web technologies like React, Next.js, and Node.js. * Holds a Bachelor's degree in Computer Science from Al-Azhar University, demonstrating a strong foundation in key theoretical principles, including Computer Graphics and Artificial Intelligence. * Proven track record at Awtar Tech, including leading a Front-end team to successfully migrate a static site to a dynamic platform, significantly improving user engagement. * Demonstrates expertise in front-end development and web app design, complemented by experience in architecting database systems and developing CRM solutions. * Engaged in freelance work, providing tailored web design and development using HTML, CSS, JavaScript, and Figma, indicating a capacity to handle diverse client requirements. * Proficient in multiple programming languages and frameworks with a focus on JavaScript, React, And Next.js, underpinned by practical experience with cloud deployments on platforms like Heroku and Netlify.