Upstaff Developer Profile Directory

- Accessibility SME with DHS Trusted Tester and NVDA certifications and an IAAP CPWA credential, possessing over a decade of accessibility consulting experience. - Deep expertise in WCAG, Section 508, and ADA compliance, as well as in utilizing and testing with major assistive technologies like NVDA, JAWS, VoiceOver, and TalkBack. - Extensive background in developing and implementing accessibility standards, including Microsoft Accessibility Standards (MAS) and design systems for inclusive user experiences. - Proficient in web, mobile, and desktop application testing across various platforms (iOS, Android, Windows, macOS) and in leveraging assistive technologies for accessibility testing. - Proficient in front-end technologies including ARIA, HTML, CSS, JavaScript, and skilled in conducting both manual and automated testing with tools such as axe, Lighthouse, WAVE. - Holds a B.A. in Home Economics with an A.S. in Computer Science, reflecting a strong foundation in both technology and systematic problem-solving.

- 7+ years of experience building scalable Web3 applications and DeFi platforms with Solidity, Rust, and Java in Blockchain, DeFi, NFT Tokenization, Fin-Tech domains - Strong expertise in smart contract development across Ethereum, Polygon, Solana, and Hedera, using ERC standards, Anchor, and Foundry - Designed and optimized zero-knowledge circuits (ZKPs) and decentralized identity systems (DID) for privacy-preserving applications - Integrated oracle networks (Chainlink, Pyth) and implemented advanced DeFi mechanics: yield farming, auto-compounding, AMMs, and on-chain governance - Developed secure and gas-efficient smart contracts using EIP-712, proxy patterns, and off-chain signature schemes - Built robust backend and API layers (Node.js, Java, GraphQL) with optimized database performance in PostgreSQL and MongoDB - Delivered full-stack dApps with seamless wallet integration (MetaMask, WalletConnect, HashPack) and deployed them on Vercel / AWS - Contributed to CI/CD, testing, and code quality using Hardhat, Slither, TestContainers, Jenkins, and GitHub Actions

- Blockchain Developer with 5 years of experience building decentralized applications (dApps) using Solidity and Rust across EVM-compatible chains (Polygon, BSC, Base) and Solana. - Proficient in frameworks such as HardHat and Anchor for developing, testing, and deploying smart contracts, with hands-on experience integrating wallets like MetaMask and working with DeFi protocols including Uniswap, Aave, and Alpaca Finance. - Experienced in implementing and customizing token standards such as ERC-20, ERC-721, ERC-721A, and ERC-1155, as well as secure signing mechanisms via EIP-712. - Skilled in smart contract auditing and fuzz testing using tools like Slither, Mythril, and RustSec, ensuring robust and secure codebases. - Adept in version control and collaboration using Git and GitHub, with a focus on maintainable and testable code. - Experienced in blockchain data indexing and integration using The Graph/Subgraphs, enabling efficient access to on-chain data across applications. - Well-versed in cross-chain development and decentralized identity (DID), contributing to secure, scalable, and user-centric Web3 ecosystems.

- Blockchain Developer with a 5-year background in financial technologies, specializing in Crypto, De-Fi, and NFT domains. - Exhibits proficiency in several programming languages, including Solidity, Rust, JavaScript, and TypeScript. - Key technical experience encompasses Ethereum, Solana, IPFS, and advanced blockchain development tools and practices. - Has experience in smart contract architecture design, blockchain integration, and secure transaction implementation across multiple projects, such as decentralized gaming platforms, NFT collections, and crypto exchanges. - Demonstrated capabilities in both backend technologies (Node.js, Express.js) and cloud infrastructures (AWS suite) - Upper-Intermediate English

- Front-end Developer with 8+ years of experience and expertise in creating scalable and high-performance web and mobile applications. - Proficient in React, Next.js, NodeJS, and Nest.js. Demonstrates strong leadership through active involvement in architecture planning, code reviews and mentoring teams. - Skilled in developing adaptive UI components, optimizing application performance and seamlessly integrating backend services using modern technologies such as JavaScript,TypeScript. - Proficient in establishing efficient CI/CD pipelines, enhancing SEO performance and employing advanced analytics tools for continuous improvement. - Passionate about delivering exceptional user experiences, driving continuous optimization and ensuring robust, scalable software solutions.

● Languages: JavaScript, HTML, CSS, SASS ● Libraries: React, Redux, React Material UI ● Unit-tests: Jest, Enzyme, React Testing Library ● Tools: Storybook, Cucumber ● Data approaches: REST API, GraphQL, Ajax ● Databases: MongoDB, MySQL ● Platforms: Node.js ● CMS: Adobe Experience Manager v6.5 ● Project systems: Webpack, GULP ● Version control: Mercurial, Git ● Protocols: HTTP, HTTPS, TCP/IP suite background ● Main OOP principles, classes and hooks approaches ● Familiarity with Docker (deployment on AWS services) ● Linux operating system (user level) ● Skills in Adobe Photoshop (for markup purposes) ● Experience in SEO optimisation and content editing

Backend Software Engineer with over 8 years of experience, specializing in Python, Go, and cloud-native technologies. Expert in API development, system architecture, and integrating distributed systems within research, regulated, and blockchain fields. Proficient in Python, Go, SQL, Docker, Kubernetes, AI/ML tools, and cloud services (GCP, AWS). Has led backend development for decentralized applications, real-time monitoring, file-sharing systems, and automated SDLC focusing on security and performance. Demonstrates proficiency in DevSecOps, regulatory compliance, and modern backend frameworks.

- IT professional with over 13+ years of overall IT experience in which over 8+ years of experience in Salesforce CRM, including work experience in many client locations and having experience with Oracle Apps of around 5 years. - Very good Banking, Financial Markets, Asset Management, and Credit Card domain knowledge. - Have been part of implementation of large projects for a leading banking and financial institution in the US, UK and EMEA. - Clear and effective communication & interpersonal skills, lead development teams both at offshore location and onsite location in the U.S, UK and EMEA. - Has good knowledge in Technical and Functional aspects of SALESFORCE.COM, on demand CRM package. - Intermediate English - Available ASAP

- Over 4 years of experience in customization, migration, and API integrations within the Salesforce ecosystem. - Proficient in SQL, MySQL, and Hibernate for effective data handling and manipulation. - Demonstrated success in complex Salesforce integrations, including RESTful API and Heroku. - Skilled in team collaboration tools like Atlassian JIRA, Trello, and Confluence. - Worked across various sectors with Salesforce, emphasizing both development and data-centric tasks. - With a strong focus on achieving goals and a proven track record of success. Dedicated to working collaboratively with a team to deliver high-quality solutions. - Upper-Intermediate English

- 5+ years of experience in application design, customization, development, support which includes experience in Salesforce CRM platform as Developer, Administrator. - Certified Salesforce Developer with 5+ years of experience in IT with experience in Salesforce.com CRM. - Thorough understanding of object-oriented programming (OOPS) concepts and extensive knowledge in implementing, customizing, and maintaining Salesforce solutions. - Extensive knowledge of Software Development Life Cycle (SDLC) by having a thorough understanding of various phases of the life cycle which includes Requirement gathering, Analysis and Design part along with Development and Testing as well. - In depth experience in Salesforce.com development in implementing Apex Classes, Visualforce, Force.com IDE, Controllers and Triggers, SOQL, SOSL and Plug-ins. - Upper-Intermediate English. - Available ASAP

- Senior Salesforce Developer with 5 years of experience. - Have hands-on experience to design and code using various Salesforce technologies. - Extensive experience with the Salesforce.com development life cycle, application design patterns, integration patterns and deployment planning. - Experienced working in cross - functional teams, identifying business requirements and supporting sales/marketing efforts. - Experience working in Agile methodology, Scrum methodology, Waterfall model and Test-driven development. - Setting up Service Cloud Console, Cases (Web to case, Email to case), Solutions, Case Assignment and CTI Integration. - Setting up Sales Cloud features, Leads (Web to lead, Email to lead), Lead Assignment, Lead custom conversion process. - Expertise in Lightning app builder (salesforce 1) and implemented a new application based on Lightning to have compatibility of the app in mobile, Tab and Desktop versions. - Experienced in analyzing business requirements, designing entity relationships diagrams and implementing them to - Salesforce standard/custom objects - Experienced in data migration, data mapping and data integration using different databases and integration tools. - Capable of rapidly learning new technologies and processes, and successfully applying them to projects and operations. - Fluent English - Available ASAP

- 5+ years of commercial IT experience which involves 4 years of solid Involvement in salesforce.com and Force.com. - Proficiency in Apex classes, Controllers, Visual force, Migration tool, and other programs in salesforce development toolkit. - Superior knowledge of salesforce lightning features. - Excellent understanding of SOA design principles and RDBMS technologies. - Experienced in API integration and Web services. - Good knowledge of implementation of Object-Oriented Programming concepts. - Advanced English, Intermediate French. - Available ASAP. - No vacation plans.

- 2+ years of Salesforce administration or Salesforce development experience - Creation of lookup and master-detail relationships on the objects and created junction objects and various advanced fields like Pick-list, Field Dependencies, Custom Formula, Approval Process, field updates and Email generation. - Implementation of Security and Sharing rules at Object, Field and Record levels for different users in the organization. - Creation of components with Aura and Lightning Web Components, - Creation of Workflows, Processes, Flows and implementation of Triggers - Development Apex Classes, Triggers and implementation of testing with test classes. - Experience working in Agile methodology, Scrum methodology, and Test-driven development. - Intermediate English - Available 5th April - No vacation plans

- Salesforce Certified Platform Developer with over 6+ years of IT experience, including configuration, customization, integration with external systems and lightning component development. - Leading a team of Professionals and helping the team to collectively deliver the release. - Salesforce Certified Developer involved in designing robust, scalable architectural solutions and implementation with right APEX design patterns within Salesforce governor limits. - Proficiency with Integration Services using REST and SOAP APIs. Creating Apex Classes, Batch Apex, and Apex Triggers for various functional needs building core business components in various clouds of Salesforce. - Have an implementation experience of SFDC Declarativeapproach to handle business operations like Profile, Permission Set, Validation Rule, Approval Workflows, Flow, Process Builder, and Email Templates - Experience to work with inter teams like MuleSoft facilitate them with all requirements needed from CRM, sharing the Limitations and best practices to connect with Salesforce Services. - Intermediate English. - Available ASAP

- Experienced software engineer with 5+ years of total experience, specializing in Salesforce development; - Proficient in Salesforce technologies including Salesforce Lightning, Apex, Visualforce, and SOQL; - Skilled in designing and implementing custom objects, fields, layouts, reports, and workflows on the Salesforce platform; - Strong knowledge of web technologies such as HTML, JavaScript, and CSS; - Familiar with Agile and Waterfall methodologies for software development; - Experienced in integrating Salesforce with external applications using SOAP and REST web services; - Highly motivated, team player, and quick learner of new technologies.

- Proficient in Salesforce CRM, with 4+ years of experience in Salesforce Development; - Strong technical and functional knowledge of SFDC CRM, including Apex classes, Triggers, Visual force, and Migration tool; - Experienced in Salesforce administration setup, including user management, security controls, data management, and customization; - Skilled in Apex Classes, Controllers, and Triggers, considering governor limits and client requirements; - Familiar with SOQL, SOSL, Batch Apex, and Schedule Apex; - Extensive experience with Salesforce Sandbox, Unit Testing, and Eclipse IDE Force.com Plug-in environment; - Proficient in data tools such as Import wizard, Export wizard, and Apex Data Loader.

- Test Engineer with experience in Automation and Manual QA, 8+ years in the IT industry; - Expertise in web automation using Playwright and Cypress, Postman, PyTest; - Skills in JavaScript, TypeScript and Python; - Experience in REST API testing, performance testing, and integration with CI/CD pipelines; - Knowledge of BDD with Cucumber and working in Agile/Scrum environments; - Implemented test automation for e-commerce and large enterprise systems; - Experience with Java Selenium WebDriver Automation; - Skills in mobile application testing on iOS and Android operating system (emulators for Android and iOS, e.g., Blue Stack).

Software Engineer with over 15 years of experience, possessing a Bachelor's degree in Mechanical Engineering and Computer Science. Expertise includes Java, JavaFX, RESTful APIs, multithreading, and UI frameworks. Established track record in database optimization and system integration, having resolved critical memory leaks and threading issues, and refactoring database layers for increased performance. Proficient in Agile SDLC, with a successful transition from SVN to Git. Key projects include developing utility applications for certified election result dissemination and performance enhancements in complex software systems.

- .NET Software Engineer with 4 years of software development experience in different domains (FinTech, Real Estate, E-Commerce). - The biggest part of the experience is related to the .NET platform - Upper-Intermediate English - Available from 11.07.2022

Software Engineer skilled in PHP and Python for back-end development and web scraping, with experience in C++, Linux, Docker, and Git. History of developing APIs and data parsers, with expertise in server management and CMS module implementation. Holds a Software Engineering Associate Degree with focus on core computer science principles. Contributions include a C++ Tic-Tac-Toe project, showcasing proficiency in OOP and game development. Adept in multiple database systems and modern web technologies, with a strong foundation in SDLC and code refactoring.

Full Stack Web Developer with 8 years of experience specializing in web technologies and scalable microservices architectures. Expertise in RESTful APIs, GraphQL, front-end and back-end frameworks, and cloud infrastructures, particularly with AWS services. Profound knowledge of programming languages including JavaScript, TypeScript, PHP, Ruby, and SQL. Proven track record in handling low to medium complexity projects throughout the full software development lifecycle. Technical skills encompass working with diverse databases, implementing CI/CD with AWS tools and Jenkins, containerization with Docker, and blockchain technologies like Web3 and smart contracts. Holds a Master's Degree in Applied Mathematics and Informatics, reflecting a solid engineering background.

Accomplished Software Architect and Hands-on Engineering Manager with a strong history of building, leading, and mentoring cross-functional teams in designing, developing, and deploying high-scalability, secure software solutions leveraging cloud platforms, microservices architectures, CI/CD pipelines, and performance optimization strategies. Experienced in both startup environments and well-established organizations, with expertise in architecting reliable distributed systems, implementing best practices, and driving innovation while delivering quality software.

- 12 years of experience in backend development, including leadership roles in cross-functional teams; - Expertise in Scala, Python, and Java (with knowledge of functional programming principles); - Experience in system architecture improvements, leading teams, and developing scalable solutions; - Expertise in PostgreSQL, Oracle DB, MongoDB, and SQL; - Cloud environments such as AWS including performance and scalability optimization; - Docker and Kubernetes for container orchestration; - Apache Kafka for building event-driven architectures; - Led AI-driven projects in areas such as resume parsing, payroll automation, and learning management;

- Seasoned FPGA and embedded systems engineer with 10+ years of experience, and a track record of architecting and implementing complex hardware and software solutions; - Expert knowledge in VHDL, FPGA, CPLD, MCU, and SoC development, with proficiency in tools like Intel(Altera), Xilinx, and Modelsim; - Strong expertise in cryptographic acceleration, RADAR systems, digital signal processing, and PCB design; - Experience in leading a development team for a cryptography acceleration project and implementing advanced algorithms in various domains; - Robust background in electronic device development and embedded programming in C and Python.

Senior PHP Back-end Developer with a strong background in computer science and extensive expertise in the Laravel and Symfony frameworks, boasting over 15 years in the industry and mastery in full-stack technologies. Proficient in database management with MySQL and PostgreSQL, and skilled in the use of design patterns, SOLID principles, and OOP to enhance software architecture and code quality. Demonstrates advanced knowledge in implementing and optimizing REST APIs, Kafka message brokering, and pioneering large-scale data operations. Experienced in fostering agile and TDD methodologies to drive continuous integration and delivery, underscoring technical leadership through mentorship and development of innovative web applications.

Accomplished Software Engineer with 5 years of in-depth experience in mobile and software development primarily focused on React Native, ReactJS, and TypeScript. Demonstrated proficiency in leveraging advanced JavaScript technologies such as Redux and ES6 to build robust mobile applications. Led a technical team and mentored engineers in creating market-centric apps and websites, ensuring adherence to best practices in software development. Key project contributions include the implementation of react-native-firebase for notifications and analytics, and development of complex features for barcode and RFID reader applications. The engineer's academic background in Information Technology fortifies their technical expertise, and a penchant for continuous learning in mobile programming underpins their evolving mastery of the software engineering domain.

Accomplished Senior React Native Developer with a solid 7-year track record in mobile application development, underpinned by a bachelor's degree in Computer Science and Engineering. Expert command of React Native, JavaScript, and TypeScript, complemented by proficiency in leveraging ancillary technologies such as Redux, Firebase, and RESTful services. Demonstrated prowess in modern software engineering practices, including unit testing, code reviews, SDLC, and agile methodologies. Adept at fostering junior developers' growth while navigating complex project ecosystems and enhancing app performance and user experience, distinguishing themselves as a potent candidate for technology-driven roles.

A senior software engineer with over 6 years of full-stack experience specializing in React, TypeScript, and Node.js. This engineer has a proven track record of enhancing user engagement and retention through innovative UI design and application development. Their technical proficiency is demonstrated by significant contributions to a SaaS startup, including a 20% customer retention increase, and internal tooling that improved staff participation and satisfaction. Holding a Bachelor's in Computer Science and pursuing an Executive MBA with an AI specialization, they combine strong educational foundations with practical expertise in JavaScript frameworks, API integrations, and developing scalable, performance-optimized features. Strategic projects like the AI-powered skill assessment app illustrate their ability to leverage cutting-edge technologies to deliver impactful solutions.

Experienced Software Engineer with over 14 years of commercial development experience. Strong expertise in object-oriented programming, full-stack development, and cloud architecture. Proven leadership in managing both small and large engineering teams. Committed to delivering high-quality, scalable, and efficient software solutions across diverse platforms.

- Senior AI/ML engineer with hands-on experience in GenAI platforms, LLM orchestration, and RAG pipelines; - Skilled in Python and C# for backend services, chatbot architecture, and AI integration pipelines; - Built and deployed RAG systems using Azure OpenAI, AI Search, and LangChain; - Developed Whisper-based transcription pipelines with speaker diarization for business meeting summarization; - Integrated OpenAI models and multimodal embeddings into workflow automation tools like Jira and Trello; - Experience in distributed processing with Celery, RabbitMQ, and Redis for asynchronous task execution; - Deployed scalable AI services in Azure and AWS environments, using Kubernetes, Helm, and Azure DevOps; - Built real-time event processing and notification systems using Kafka and Apache Camel; -Designed APIs and backend services for customer support chatbots, voice platforms, and CRM integration; - Applied prompt engineering, testing (xUnit, pytest), and CI/CD automation across multiple AI initiatives.

- Experienced full-stack developer with 13 years of experience in software development - 6+ years in top-level and lead positions. - Proficient in organizing work, delegating tasks, and leading by example to accomplish team goals. - Adept in problem-solving, managing project progress, and communicating progress to stakeholders. -Skilled in coaching and motivating team members to improve their skills and reach their full potential. -Well-versed in Angular, Angular.js, Angular Material, React, Bootstrap, Node.js, Express, Nest.js, Loopback, MySQL, MongoDB, GraphQL, AWS, AWS S3, AWS Amplify, Electron, Ionic Framework, Flutter, and React Native.