Upstaff Developer Profile Directory

- Full-Stack Developer with 5 years of experience, specialized expertise in C#, .NET frameworks, Angular, and various other modern technologies. - Demonstrated excellence in the design and implementation of user interfaces using HTML/CSS, TypeScript, and JavaScript, with a keen eye for transforming complex database information into accessible analytical insights. - Proven experience with automated validation, shipment update services, database design, and software development practices including OOP, SOLID principles, and Scrum methodology. - Strong background in computer science with a Bachelor's in Applied Mathematics and Informatics, enhanced by comprehensive skills in development tools such as Git, Visual Studio, and Azure.

- 15+ years of experience as a Software Engineer, specializing in Java, microservices, and system design for backend development; - Expertise in developing and maintaining scalable web applications and microservices with a focus on performance optimization; - Strong experience in building applications using Spring Boot, Kafka, Docker, and RESTful API design; - Proficient in integrating third-party APIs and cloud-based solutions, with a strong background in Azure and AWS platforms; - Extensive experience with SQL (PostgreSQL, Oracle DB) and NoSQL (MongoDB) databases; - Familiar with CI/CD pipelines, using Jenkins, GitHub Actions, and AWS SDK for continuous integration and deployment; - In-depth knowledge of Agile methodologies, contributing to sprint planning, code reviews, and project delivery in international teams; - Experience in unit testing, integration testing, and ensuring high code quality with tools such as JUnit and RestAssured; - Worked on high-stakes projects in the finance, telecom, healthcare, and insurance industries, delivering critical software solutions; - Strong leadership and mentoring experience, managing development teams and delivering successful projects.

- 7+ years of experience as an Embedded Software Engineer with a focus on C/C++ programming, FPGA development, and VHDL; - Expertise in developing embedded systems, designing and implementing low-level software for hardware interfaces and device drivers; - Strong background in FPGA design using VHDL and Verilog, with experience in FPGA programming and hardware/software integration; - Experience with real-time operating systems (RTOS), and communication protocols such as SPI, I2C, UART, and CAN; - Proficient in C/C++ programming, with strong debugging skills using tools like GDB, JTAG, and Oscilloscopes; - Worked on hardware/software co-design and FPGA simulation and verification; - Familiar with Linux and Windows environments, with cross-compilation for embedded platforms; - Contributed to designing and developing embedded systems for automotive, telecommunications, and consumer electronics sectors.

A seasoned Fullstack Golang Developer with over 5 years of specialized experience in Golang, and a broader 9 years with Node.js, complemented by proficiency in other languages such as TypeScript, PHP, and Python. The candidate showcases a strong foundation in computer science with a Bachelor of Engineering in Information Systems Engineering. Throughout their career, they have engaged in various remote roles, underlying their expertise in building scalable distributed systems and web applications. Their open-source contributions, such as 'asyncmachine-go', demonstrate their ability to innovate in control flow libraries. With a history of optimizing financial tech systems and developing complex project management PWAs, the engineer has a proven track record in software engineering, underpinned by knowledge of databases and DevOps, including MySQL, PostgreSQL, and Docker.

solid foundation in front-end development Demonstrates expertise in JavaScript, React, HTML, CSS, and TailwindCSS, with a proven track record of optimizing websites and debugging.

- Frontend Developer at Liorra Tech and previous experience as a Freelance Web Developer and an IT Technician, embodies a strong background in full-stack development and cloud architecture. - Mastery in React, Apollo GraphQL, and technical support, offering robust solutions in technology services and leading digital transformation projects. - Proven history in enterprise-level software implementation and cloud solutions, adept at optimizing operations to meet business objectives. - Academically fortified with a Bachelor's Honors in Computer Engineering ongoing at Cape Peninsula University of Technology, with prior Bachelor's and Higher National Diploma in the same discipline. - Over 5 years of practical industry experience, with specialization in React and related web technologies, empowering businesses across Western Cape, South Africa. - Adept in software development practices, capable of guiding teams through SDLC and deploying innovative technologies that contribute to enterprise efficacy.

Software Engineer with 3.5+ years of experience, specializing in iOS development with Swift and Android development with Kotlin. Proficient in leveraging frameworks like UIKit, SwiftUI, CoreData, AVFoundation, and technologies like MVVM, VIPER, and Clean Swift. Demonstrates strong proficiency in application performance, memory management, and advanced photo editing application development. Holds a Computer Engineering degree and has a solid foundation in coding principles and software development practices. Worked on notable projects involving video streaming, e-commerce applications, and organizational management tools.

- Dynamics 365/Power Platform Engineer with 3+ years of solid experience designing, developing, and implementing CRM systems and Power Platform solutions tailored to business needs. - Skilled in Power Pages, Power Apps (Canvas & Model-Driven Apps), Power Automate, and Dynamics 365 development for CRM systems across different industries. - Has experience with Azure AD B2C, Azure Functions, Azure Pipelines, and LogicApps, ensuring seamless deployment and secure user authentication for CRM systems and portals. - Hands-on experience with .NET/C#, JavaScript, TypeScript, React, Vue.js, and HTML/CSS for plugin development, feature enhancements, and custom web resources. - Pending February 2025 Certifications: Power Platform Fundamentals, Power Platform Developer Associate

- Full Stack Software Engineer with expertise in developing comprehensive solutions from scratch. - Strong knowledge of all phases of the software development life cycle (SDLC) including project analysis, planning, requirements analysis, architecture design, development, testing, deployment, and documentation. - Proficient in C#, React-Native, React, JavaScript, SQL, Dynamics 365 CE, Power Apps, Model Driven Apps, Power Automate, Jira, SilverLight, WPF, ADO.Net, Apache Subversion (SVN), Entity Framework, Git, Web service, and Windows Form Development. - Experience in data analytics, data engineering, data extraction/ETL, artificial intelligence & machine learning, data mining and management, data science, and data visualization. - Familiarity with Adobe Commerce & Experience, Drupal, Microsoft (AX, Dynamics 365, SharePoint), MuleSoft, Oracle NetSuite, Salesforce, and SAP. - Master's degree in Applied Mathematics and Computer Science from Lviv Ivan Franko National University. - Extensive professional experience in developing CRM systems, banking solutions, web-based platforms, enterprise resource planning systems, and fatigue management systems. - Proficient in .NET, Angular, MS SQL Server, JIRA, MS Visual Studio, IIS, GIT, Source Tree, ReSharper, JavaScript, HTML, CSS, and React-native.

- 10+ years experience as a Full-Stack Developer with of developing robust web applications and services, including extensive experience in both frontend and backend technologies; - Technical proficiency with PHP and MySQL for server-side development, advanced JavaScript utilization on the client side; - Strong abilities with blockchain technology engagement, including smart contracts and wallet development using Solidity, Hardhat, Truffle, WalletConnect, and Metamask SDK; - Experienced with libraries Web3.js, and Ethers.js; - Ability to work Ethereum Blockchain, Binance Smart Chain (BSC), with different wallets including MetaMask; - Adept at working with a variety of frameworks and languages beyond core competencies, such as Laravel, Solidity, Node.js, and C++; - Up-to-date with modern practices, possessing comprehensive experience in codebase upgrades, performance optimization, and integrating third-party APIs; - Successfully led a development team, demonstrating strong leadership and project estimation skills.

- 5+ years of experience as a Full-Stack Developer, specializing in .NET (C#), Angular, and AWS; - Backend: Expertise in .NET Core, ASP.NET, Entity Framework, and REST API development; - Frontend: Strong skills in Angular, TypeScript, JavaScript, HTML, and CSS for building dynamic web applications; - Cloud & DevOps: Hands-on experience with AWS services (Lambda, S3, DynamoDB, API Gateway, IAM) and CI/CD pipelines; - Databases: Proficient in SQL Server and PostgreSQL, including query optimization and database design; - Architecture & Best Practices: Experience with microservices, event-driven architecture, and SOLID principles; - Testing & Security: Writing unit and integration tests, implementing security best practices, and API authentication; - Agile & Collaboration: Worked in Agile/Scrum teams, participated in code reviews, technical discussions, and mentoring; - Background in finance, e-commerce, and SaaS projects, developing scalable and high-performance applications.

Six years experienced QA Engineer in manual and automated testing, ensuring robust, scalable, and user-friendly applications. Skilled in identifying issues early, optimizing testing processes, managing QA team and collaborating closely with developers to enhance product reliability.⬥ Experience in testing web applications , mobile applications , Blockchain, E-commerce, software and hardware. ⬥ Programming languages: JavaScript, TypeScript, Java, Python , C# ⬥ API testing: Postman, Apidog ⬥ UI testing: Playwright , Selenium, BackstopJS, Ghost Inspector, Cypress ⬥ CI/CD Integration: GitHub, Docker, Jenkins CI, GitLab

Accomplished ASP.NET full-stack developer with over 10 years of experience, specializing in ASP.NET, MVC, and ASP.NET Core. Expertise in C#, JavaScript, and front-end technologies like HTML, CSS, and React.js. Proficient in database management with MSSQL, PostgreSQL, and Oracle. Strong track record in software analysis, design, and project management, including leading projects for government and banking sectors. Education in IT engineering enhanced by practical application in software development. Recognized for advanced problem-solving skills and commitment to continuous professional development.

A seasoned software engineer with over 5 years specializing in JavaScript/TypeScript and Angular development, this professional demonstrates deep technical expertise, evidenced by robust web application projects and contributions to business growth. Holds a rich engineering background, with a demonstrated history in implementing scalable solutions using frameworks like Angular, Node.js, and containerization with Docker. Technically proficient with modern software development practices including microservices architecture, TDD, and CI/CD, enabling efficient SDLC management. Leveraging a Computer Science degree and fluency in English, the engineer has a track record of mentorship, collaborative feature planning, and execution, underpinning a strong career trajectory within diverse remote and hybrid engineering roles.

Software Engineer with 5+ years of expertise in developing Java-based enterprise and fintech applications. Spearheaded a 15-member team with a focus on cross-functional collaboration to enhance project outcomes. Highlights include raising production system TPS to 500, reducing bug rates by 15%, and improving application uptime. Excelled in a lead role at i2c Inc., with achievements in reengineering APIs for better performance, implementing DevOps practices, and ensuring 100% system uptime. Technical strengths encompass Java, microservices using Spring Boot, distributed systems, API development, and proficiency with Docker, Kubernetes, and CI/CD. Holds a Bachelor's in Computer Science, backed by industry recognition with the Dean's List Academic Achievement Award.

* Data Scientist with a Master’s Degree in Computer Science and extensive experience in machine learning, deep learning, and cloud services ( Azure,AWS and GCP). * 7 years of experience, proficient in building ML pipelines and deploying scalable solutions. * Developed and deployed a voice-to-voice pipeline for a call center VoIP system using Whisper, Llama, and MMS-TTS, including API integrations and Docker deployment. * Implemented a Google Doc AI Wrapper, improving document recognition accuracy through advanced preprocessing techniques. * Designed a deforestation detection system using clustering and Azure-based services to monitor forest areas.

Senior .Net Developer with over 6.5 years of experience, specializing in robust web application development in .Net and React, with a strong background in Computer Science. Possesses a solid understanding of Agile methodologies, microservices architecture, and full-stack development. Demonstrates expertise in .Net Core, ASP.NET MVC, EF Core, OAuth 2.0, Docker, Kubernetes, and Azure services. Notable accomplishments include leading the development of an internal generic library and a bug-reporting application, as well as achieving a Microsoft Azure Fundamentals certification and winning at the World Robot Olympiad. Education includes an MSc in Computer Science with a focus on Software and Service Architectures.

Senior Software Engineer with over a decade of expertise in designing, developing, and managing software solutions. Specializes in PHP, .NET, Python, Java, alongside advanced knowledge in AWS, Terraform, and CI/CD tools. Proven record in building scalable payment systems, e-commerce platforms, and cloud applications. Demonstrates strong leadership in driving technology strategy and fostering innovative solutions with effective use of DevOps practices to enhance deployment efficiency. Holds a substantial education in computer science complemented by professional certifications in DevOps and Full-stack Development. Experienced in API development, system security, and database management with notable project accomplishments in payment integration and systems automation.

With over three years of professional experience, the software engineer brings a robust background in customer service with solid technical skills. While the resume provided does not explicitly mention a software engineering role or computer science education, it highlights advanced computer proficiency, including knowledge of various software and operating systems. The candidate shows strong expertise in using CRM software like Oracle and Zendesk, which are pivotal in software development for customer-related analytics. Also noted is the engineer's experience with Microsoft Office and G Suite. The candidate's proven track record of analyzing data, managing customer databases, and implementing process improvements demonstrates an analytical mindset and problem-solving skills relevant to software engineering tasks.

With over 12 years of experience, the engineer is a Growth Strategist and Marketing Automation Specialist with a strong foundational expertise in computer science, specializing in CRM and HubSpot technologies. Their portfolio includes the implementation of CRM systems, data-driven marketing strategies, and automation of multi-channel campaigns, with notable achievements in increasing operational efficiency, revenue, and company growth. This candidate is also versed in various programming methodologies, SDLC, and software development best practices.

- Experienced Machine Learning Engineer with Data Engineering skills - Experience in ensemble recommendation systems, customer behavior prediction, and recruitment insights, analytics, chatbots. - Experience in user retention, engagement, operational efficiency increase, enhancing stock turnover, forecasting accuracy, automated damage assessment models, and vehicle security through advanced ML models and BigData. - Worked with industries: insurance, finance, restaurants - Solid expertise with Big Data, Natural Language Processing, Computer Vision

- Senior Machine Learning Engineer with extensive experience in providing innovative machine learning solutions and automation. - Experience with ontology enrichment & transformation, Named Entity Recognition, recommendation systems, sentiment analysis - Experience with Data Engineering stack - Advanced skills in Python, Flask, FastAPI, Redis, Postgres, TensorFlow, PyTorch, Elasticsearch, Docker, and Hugging Face. - Proven track record in data analysis projects implementation.

- 10+ years in software quality engineering, with a focus on automation testing and software development for tests; - Automation tools: Selenium WebDriver, TestNG, Selenide, RestAssured, JUnit, Playwright; - CI/CD maintenance using Jenkins, GitHub Actions, AWS SDK, and Docker, docker compose; - Designed and implemented functional, integration, end-to-end, API, and performance tests; - Programming languages: Java, Kotlin, TypeScript; - QA tools: Selenium, Cucumber, JMeter, Postman, Playwright, FitNesse; - Developed and maintained test automation frameworks from scratch, scaling regression suites to over 1,000 tests; - Experience testing RESTful APIs, GraphQL, backend systems, browser front-end - SQL databases: PostgreSQL, MySQL; - Experience in finance, logistics, SaaS, and e-commerce, sectors working on large-scale systems and being a part if international teams ; - Contributed to test planning, test documentation, and incident investigation processes (e.g., AWS CloudWatch Insights); - Mentored junior engineers and conducted technical interviews.

The software engineer in profile brings a robust blend of technical abilities and concrete achievements in software development, particularly in JavaScript. With experience ranging from back-end development to DevOps, they have demonstrated proficiency in automation tools like Cypress and Playwright, and testing frameworks such as Jest. They have excelled in roles at tretton37 and SMARTIS, impacting major clients like Polestar and IKEA through initiatives like complete architecture overhauls, developing CI/CD pipelines, and leading the migration of critical systems to the cloud. Their dedication to efficient, quality code is evident in their restructure of automation initiatives and focus on scalability and performance. The engineer has a Bachelor's degree in Organization and Management of Information Systems along with several impactful projects manifesting a deep understanding of SDLC and IaC principles. Overall, the candidate showcases several years of impactful work experience with a strong foundation in computer science and valuable technical expertise.

With over a decade of experience in the software industry, the engineer has a proven record of leading technical initiatives and delivering innovative solutions. Expertise includes Android app development, Java programming, and IT consulting, with a demonstrated ability to drive growth through technology. The engineer's technical acumen is complemented by certifications in Agile methodologies, including ScrumMaster and Agile Scrum Foundation, showcasing a strong understanding of SDLC and efficient project management techniques.

At React Native Experts, we specialize in delivering top-notch React Native development services.

A multi-skill person with extensive technical expertise and a robust engineering background. With over a decade of experience in software development, the engineer possesses a deep understanding of various programming languages, tools, and methodologies. Notably, the engineer has implemented and optimized CRM systems, particularly HubSpot, enhancing automation and CRM adoption across teams.

A multi-skill with a robust background in HubSpot CRM optimization and a track record of successful project management delivers technical proficiency and a strong understanding of SDLC practices. Experienced in SaaS solutions implementation and automation workflows, excels in increasing CRM adoption and enhancing lead generation. Strengths include strategic development and technical support, with a focus on creating efficient marketing and sales pipelines. Demonstrates hands-on experience in troubleshooting, report creation, and dashboard setup, underpinned by a commitment to continuous learning and process improvement.

Software engineer specializing in full-stack JavaScript development, encompassing expertise in technologies such as React.js, Node.js, and TypeScript. Notable for driving the transition of a social media management platform from AngularJS to React and implementing robust features including API sync with Instagram. Engineered a time tracking application, demonstrating proficiency with database management and API extension. Delivered an assistive app for children, establishing strong foundations in UI/BE and documenting Node.js processes. With a solid background from O.M. Beketov National University, this developer combines technical skills with practical experience. Fluent in modern JavaScript standards (ES 11/12) and adept in tools like Redux and Docker, the candidate offers a comprehensive skill set for innovative software solutions.

Dynamic Senior Backend Developer with over four years of experience specializing in Python and Django, with a solid foundation in computer science from a notable technical university. Expertise in developing RESTful APIs, working with multiple datastores including MySQL, SQLite, and MongoDB, and proficient in containerization with Docker. Adept at architectural design and patterns, and implementing Agile/Scrum methodologies for efficient project management. Demonstrated record in optimizing web applications and backend systems, with a rich portfolio inclusive of scalable solutions like a medical services booking application, storage booking system, and a car management dashboard. Fluent in both Ukrainian and Russian, with intermediate command over the English language, reinforces communication skills vital for international client interactions.

Highly skilled Senior Full Stack Developer with extensive experience in building and optimizing mobile and web applications across various platforms. Proficient in a comprehensive technology stack including modern JavaScript (ES6+), TypeScript, React.js (including React Native and related libraries), Angular, Node.js, and database management. Demonstrable expertise in AWS cloud services, Firebase suite, CI/CD practices, and containerization with Docker. Capable of efficiently managing state and data flow in complex applications using state management solutions like Redux and NgRx. Education in Accounting and Auditing with additional training in software programming, and proficient in English along with native Ukrainian and Russian. Track record of developing scalable, high-performing applications such as a comprehensive fitness studio app, a data-heavy web-based application for file management, and a dynamic platform for startup and talent matching.

- Team Lead / Tech Lead / Software Engineer / Blockchain Developer with 10 years of experience. - Strong expertise in blockchain development, building decentralized applications (dApps) using Solidity and Rust for EVM and Solana networks. - Proficient in frameworks like HardHat and Anchor. - Develop, test, and deploy smart contracts, integrating wallets (e.g., Metamask) and working with DeFi protocols (Uniswap, Aave) and NFT standards (ERC-20, ERC-721). - Has solid experience in backend development using Django, FastAPI, and SQLAlchemy for scalable APIs and microservices. - Familiar with CI/CD automation (e.g., GitLab CI/CD, GitHub Actions) and cloud infrastructure on AWS (Lambda, EKS, RDS). - Skilled in integrating blockchain technologies with backend systems, ensuring code quality through unit testing, fuzz testing, and security audits with tools like RustSec and Slither.