Upstaff Developer Profile Directory

- 3 years of experience in Plutus / Cardano smart contracts developer role (Plutus Core, Plutarch) - Cardano ecosystem knowledge - Haskell, Scala, Cabal/Stack, GADTs/Type families, Generics, Servant, lenses, mtl, free monads - senior-level professional - Functional programming with FRP, Redux, Event sourcing, Category theory - OOP, OOD, UML, Design patterns, SOLID, DI. TDD, BDD, Unit, functional, and integration testing - 14 years of experience in software engineering

Experienced engineer with 11 years of experience in the following areas: - Adobe AEM Lead Developer (AEM 5.6 Lead Developer Certified) - Java, JavaScript (React), Vanilla JS - AEM Component creation (UI as well as server-side), including both reusable and page components with best in standard coding practices - AEM DAM (Digital Asset Management) - Servlet, Job Scheduler, Search Functionality, Email API, Sightly - Workflow implementation - MSM-Creation of multilingual sites using live copy - Selective Dispatcher cache invalidation - Unit testing frameworks, such as JUnit and Mockito. - Source control management tools, such as Apache Subversion, Git - Well-versed with a technical understanding of Extjs, Apache sling, and OSGi, needed for the development of an AEM project, starting from scratch. - Involved in Design, Coding, Testing, Code review, and performance tuning of code and queries.

- 10+ years in software quality engineering with priority in automation testing and SDET; - Programming languages: Javascript, Typescript, Ruby, Java (Basic); - SQL Server SQL/TSQL, MS SQL Server 2005/2012, PostgreSQL/MySQL/MongoDB, MariaDB; - Methodologies include Agile, Scrum, TDD, and BDD; - Projects with large software service companies, SMBs and startups. Domains include CRM, banking, healthcare, insurance, and trading. Business oriented projects, working as team member and independent engineer ( USA, France, and UK teams), open source projects; - Created test documentation/test plan; Performing functional, integration, e2e, API, system testing of product; - Automation with Cypress, and CI/CD maintenance using tools like Jenkins, CircleCI, Docker, Github Actions, GitlabCI, and AWS cloud infrastructure; - QA tools include Cypress, Cucumber, Jenkins, Postman, Selenium and Capybara; - Holds a Master's Degree in Network Engineering and Economics; - ISTQB Certification. AWS and Cisco security trainings. - Availability and start: full-time, in two weeks

• 15+ years of commercial software development experience • Solid knowledge of Solidity, C++, JavaScript, TypeScript; • Deep understanding of blockchain architecture and smart contract logic; • Cosmos, Tron, Avalanche, Binance Smart Chain, Ethereum dApps; • Strong skills in developing NFT smart contracts. Support and payload verification; • NFT Marketplaces (ERC - 721/1155), Crypto Payment Solutions & DeFi Cross Chain Bridges - ERC-20 Tokens, ICO, DEX, Staking, Swapping; • Highly qualified knowledge of Stripe payment system integration to blockchain data; • 10+ years experience working with Python; • 5 years experience working with Node.js; • Strong abilities with Express; • Experience working with Docker, and Kubernetes (K8s); • 3+ years of development experience with React.js. • No scheduled vacations within the next 3 months;

- 9 years of proven professional expertise in the IT industry; - Advanced experience in Web Development using JavaScript 7+ years; - Solid experience in software development using ReactJS and React Native (6+ years); 3 Years with Node.js - Good experience in Web development using PHP; - Beginner experience in Web Development using Ruby on Rails; - Beginner experience in Web Development using Java; - Upper-Intermediate English

- 7 years of commercial experience with Tableau - 8 years of experience as a BI Consultant, providing data visualization expertise in Tableau, Power BI, Python, SQL - Created visually compelling and interactive Tableau dashboards for clients in the real estate domain in the US - Upper-Intermediate English

- 14 years of AEM experience in design, development, integration, and delivery of small to large-scale enterprise-level applications. - An experienced solution architect with a keen interest in business domains, hands-on in technology-based solutions, and a strong focus on delivering measurable value. - Industry Experience: Vast industry experience covering aviation, telecommunications, media, finance, retail, mutual funds, and services sectors. - Technical skills: Best-in-class analytical and problem-solving skills with a track record of on-time and within-budget delivery. - Soft skills: Ability to build strong personal and professional relationships using excellent interpersonal skills. - E-commerce and AEM Expertise - Certificated Adobe Experience Architect, Components Developer, ManagerAreas of expertise include: - Digital transformations including Content Management Systems (CMS) like Adobe Experience Manager (AEM/CQ5). - Application/Software development right from inception to implementation - Implementation strategies, planning, and execution - Agile methodologies such as continuous integration and continuous delivery, features/domain-driven development, extreme programming - Worked with esteemed customers like ANZ Bank, Old Mutual Group (South Africa), Ford, Farmers Insurance, Aegon Insurance, LaQuinta, Cummins, and AT&T in consulting roles - Fluent English

- 5 years of experience in the IT industry as a Python Engineer - Proficient in using technologies such as Django DRF, Flask, Pandas, BeautifulSoup, SQLAlchemy, Asyncio, Flask + Marshmallow, Apscheduler, Jinja, Quip API, Docker, Nginx, Amazon MWS API, Amazon SP-API, Google API, and Telegram API; - Strong in refactoring, bug-fixing, and working with Python, JavaScript, Django, Django Rest Framework; - Skilled in developing faceted search and matching algorithms using ElasticSearch; - Experienced in PDF generation and importing from various formats; - Developed web applications, API interfaces, and automated scripts for data transformation; - Previous experience includes working as a Python developer focused on data scraping for Amazon, eBay, and Walmart products in dropshipping projects; - Also worked as a C# developer on various projects, specializing in web development, scraping, and parsing data; - Upper-Intermediate English; - Available ASAP

* 25 years in Israel high-tech (Video, Streaming) , 5 years with Cloud Gaming (Electronic Arts) * Scalable Video Streaming among LEO satellites (research project of Ben Gurion University) * Cloud Gaming: encoding, decoding, low latency streaming (e.g. RTP/SRT), error resilience etc. * Video Codecs: Subcontracting with Visionular on improving coding efficiency of its own HEVC encoder. * Subcontracting with DSP-IP - military projects * Video optimization and hevc codec development (Beamr Imaging) * Python Programming: development automated testing systems (CI), proofs of concept, computer vision with packages cv2 and cvlib. * Artificial Intelligence: genetics/evolutionary optimization of video codec parameters, facial expressions detection with CNN. * 360/VR: subcontracting with Texel (texel.live) - tiled streaming Computer Vision: OpenCV (including python cv2). * NVIDIA/AMD products: evaluation and modification hw encoders: Tesla T4, A40) of NVIDIA and Navi21 of AMD. * and several technical papers and several technical papers

* Accomplished Solution Architect, Technical manager with 13+ years of progressive experience in architecture design and a comprehensive understanding of project management and software development. * Orchestrating process implementations, ensuring tasks are completed within strict deadlines and budget, and delivering tangible business benefits. * Operational expertise includes Strategic Planning, Process Optimization, Change Management, Risk Management, Compliance and Governance, Requirement Analysis, Delivery Management, Process Improvement, Client Engagement and Retention, Business Analysis, A/B analysis, Product strategy developing, Report generating, and Compiling result reports. * Leadership and Management: Team building, Stakeholder Management, and Conflict Resolution.

- 3 years of commercial experience, early projects since 2017. (Vue.Js, JavaScript, Chrome extensions) - Has good knowledge of JavaScript, working with arrays, working with elements, sorting and data algorithms. Good understanding of HTML and CSS. - Familiar with methodologies, principles, paradigms, and patterns in software development. - Vuex for state management and Styled Components for styling. - Rest APIs (Google, NovaPoshta) and Git for version control. - Tailwind, Figma, and Webpack for UI - Experienced in using Google Firebase, Cloud Firestore and Authentication.

- Software Engineer with over two decades of experience, specializing in system design, and system integration (System Design, Technical Leadership, System Integration, Scalability, Security, Communication, Documentation); - Strong abilities with React.js for building, interactive web applications; - Experienced in Java, Spring Boot, and creating microservices; - Skilled in Node.js for backend development; - More than 20+ years of experience with Delphi, Deep knowledge with different versions of Delphi to 10.2; - Experience with various localisations and Delphi UIs; - Expert in various programming languages including C++, JavaScript, and Python; - Experienced in database management with Oracle, MySQL, and PostgreSQL among others (Data Modeling Database Management, Normalization and Denormalization, Data Integrity, Data Warehousing, ETL, SQL and Query Optimization, Database Design, Stored Routines and Packages, Data Backup and Recovery, Data Migration, Web Scraping); - Experience in technical leadership in various domains such as enterprise software, finance, and healthcare.

• 15+ years JavaScript programming • Over 10 years in Node.JS programming • Familiar with React.js • Experience building highly scalable distributed web applications and browser extensions • Extensive experience with REST services • Strong communication and cooperation skills • Solid experience as a Backend developer • Fluent in English, written and spoken • long Term experience in remote work with USA and Europien companies • Self-directed person, with proven ability to manage goals and deadlines effectively

- Served as a Senior Software Developer in the Two German Automotive Navigation Projects, focusing on System Team operations as well as Map and Routing domains. - VPN and Network Filtering Development: Extensive experience developing VPN solutions, including cross-platform engines for KeepSolid’s VPN Lite, and expertise in low-level network filtering, proxies, and handling internet traffic. - iOS Development Expertise: Over 10 years of hands-on experience with iOS development, including business apps and secure communication tools, with proficiency in Swift and Objective-C. - C++ Proficiency: Strong background in C++ for developing core network functionalities, optimizing performance, and building cross-platform applications. - Enterprise Application Development: Skilled in developing enterprise-level applications, including parental-style internet filters and device policy management tools. - Agile Methodologies: Proven track record of working in Agile Scrum environments, delivering high-quality software with fast iteration and strong collaboration. - Leadership and Team Collaboration: Experience as a Tech Lead, mentoring teams, and coordinating with stakeholders to resolve issues and implement new features. - Available to start ASAP

- 5 years of commercial experience with PowerBI and Tableau - 4 years of commercial experience with SQL - Prepared a comprehensive analysis of the US real estate market with Spotfire - Assessed data quality from sources that contained tens of thousands of customer and transaction data, by using SQL in Azure SQL Database - Employed data-driven techniques to develop RFM analysis, and create interactive dashboards for customer trend visualization and high-value business proposals - Upper-Intermediate English

- Experienced SAP Engineer with a diverse background in SAP development, data management, application support, and auditing; - Strong expertise in ABAP programming, including report development and debugging; - Demonstrated experience in system customization, gap analysis, and addressing business requirements; - 6+ years of experience in SAP (PM, MM, WM), customizing, LSMW tools, VBA code, and ABAP; - 4+ years of relevant experience in SAPUI5, Fiori, BTP, S/HANA, CDS, ODATA; - Familiar with SAP FI, CO, and SD; - 9 years of experience as an auditor; - Upper-Intermediate English.

- 12+ years of experience in the implementation and support of MM/SD functionalities; - MM consultant to 3 SAP R/3 implementations, SD consultant to 2 SAP R/3 implementations; - Integration specialist with external systems: 3PL - WMS, Web Application, with client accounting systems; - Full life cycle Implementation Projects: 5 and additional integration projects; - Primary Module: MM - Material management; - Secondary Module: SD - Sale and Distribution, LE - Logistic Execution; - Technical skills: ABAP, Data Dictionary, Search Objects, ABAP Query, BAPI, BADI, RFC, Smart Forms, LSMW, Batch Input, Standard IDOC (for integration with external systems), VBS Script, VBA, API in VBA, MS, Access, SQL - Industry exposure: Chemicals, Retail, Electronics Consume; - Training: Class Instructor on MM/SD Modules, Preparation of training scenario/documentation. - Advanced English - German proficiency level – B2 written and B1 spoken

- Data Scientist with 4+ years of experience specializing in delivering insights and solutions using analytics, machine learning, and data science across diverse industries. - Profound technical expertise with Python, utilizing libraries such as pandas, numpy, TensorFlow, and Keras, and deploying solutions with tools like Docker and FastAPI. - Successfully led data science projects focusing on market analytics, computer vision, and content moderation, demonstrating a strong background in ETL pipelines, predictive modeling, and deploying RESTful services. - Holds a Master's in Computer Science, augmented with certifications from Google Cloud and DataCamp, and is proficient in implementing ML methodologies, including NLP, CV, and time series analysis. - Experienced in RDBMS such as MySQL and PostgreSQL, cloud platforms like AWS and GCP, and has practical knowledge of software development life cycles and agile methodologies. - Fluent in English and Ukrainian, embodying strong multidisciplinary team leadership, evident in the management of complex projects and innovative solution development.

- 11+ years of experience in IT - 10+ years of experience with XSLT/XML - Writing, testing and maintaining XSLT code that applies mapping on XML and output JATS XML & HTML - Familiar with many processing engines like Saxon (Java) - libxslt (C) - Python’s package - Upper-intermediate English - Available ASAP

- 24 years of professional expertise in the IT industry; - 2+ years of work experience with Kubernetes; - 6+ years of experience with Docker; - Solid skills in working with AWS Cloud Platform; - Experience with blockchain projects on Ethereum and Polkadot; - Deep knowledge of building and supporting monitoring and alerting systems using Grafana and Prometheus; - Good understanding of work with Terraform. - Skilled in designing, building, and improvement of the IT infrastructure; - Experienced in the implementation of solutions on Microsoft\ Apple \ and Unix platforms - Deep understanding of building virtual and cloud environments; - Experience in building corporate backup systems;

Software Engineer with over a decade of experience in developing scalable web and mobile systems using diverse tech stacks including Laravel, Django, Golang, Ruby on Rails, React, and TypeScript. Proven expertise in building secure RESTful APIs, optimizing databases (MySQL, MongoDB, PostgreSQL), and implementing cloud infrastructure on AWS. Skilled in Agile/Scrum methodologies, CI/CD pipelines, and cross-functional collaboration. Notable contributions to high-traffic platforms such as ruparupa.com, erafone.com, and berniaga.com, demonstrating strong backend and frontend development capabilities.

Engineer pursuing a Bachelor's in Computer Science at Parul University with a 8.30 CGPA, specializing in cross-platform mobile development using Flutter and React Native. Demonstrated expertise in Java, Python, TypeScript, and Dart, with hands-on experience in Firebase, Appwrite, and MongoDB for backend integration. Proven track record in building responsive, UI-intensive applications and websites, emphasizing performance, smooth navigation, and modern design patterns. Skilled in UI/UX design with Figma and frontend frameworks like Tailwind CSS and Material UI, ensuring consistent, user-friendly interfaces. Experienced in full SDLC, implementing authentication, CRUD operations, and database management across multiple projects.

Engineer pursuing a Bachelor's in Computer Science at Parul University with a 8.30 CGPA, specializing in cross-platform mobile development using Flutter and React Native. Demonstrated expertise in Java, Python, TypeScript, and Dart, with hands-on experience in Firebase, Appwrite, and MongoDB for backend integration. Proven track record in building responsive, UI-intensive applications and websites, emphasizing performance, smooth navigation, and modern design patterns. Skilled in UI/UX design with Figma and frontend frameworks like Tailwind CSS and Material UI, ensuring consistent, user-friendly interfaces. Experienced in full SDLC, implementing authentication, CRUD operations, and database management across multiple projects.

Software Engineer with 9+ years of expertise in full stack development, specializing in Angular, React.js, Node.js, Ionic, and MongoDB. Proven track record in architecting scalable microservices, designing REST APIs, and delivering reusable components across enterprise projects. Experienced in AWS cloud services, Docker, and DevOps practices, with strong skills in UI/UX design and product thinking. Holds a Bachelor of Engineering in Computer Science and recognized for driving modular architecture and leveraging Generative AI to accelerate development and enhance team productivity.

Senior Software Engineer with 6+ years in backend development, specializing in Java (8-17) and Golang. Proven expertise in microservices architecture, event-driven systems, and cloud-native solutions using Kubernetes, Docker Swarm, and AWS. Skilled in implementing Temporal workflows, SAGA pattern compensations, and observability stacks (ELK, Grafana, Prometheus). Experienced in CI/CD pipelines, infrastructure-as-code, and legacy system modernization. Holds a Bachelor in Software Engineering with strong foundations in software development lifecycle, testing, and DevOps practices.

Senior FullStack Engineer with 8+ years in eCommerce and software development, proficient in JavaScript, TypeScript, React.js, Node.js, Next.js, and Express.js. Skilled in cloud infrastructure using AWS (EC2, S3, Lambda), containerization with Docker and Kubernetes, and database optimization for MongoDB and PostgreSQL. Experienced in CI/CD pipelines (Jenkins, GitLab CI), Agile methodologies, TDD, and microservices architecture. Holds a Bachelor's degree in Computer Science from Tallinn University.

Engineer with a Computer Engineering degree (GPA 86/100) and 4+ years of experience specializing in backend development using Python frameworks including Django, DRF, FastAPI, and Flask. Proficient in designing scalable RESTful APIs, asynchronous systems with Celery and Redis, and database optimization with PostgreSQL, MySQL, and MongoDB. Experienced in deploying containerized applications via Docker and cloud platforms like AWS and Google Cloud. Skilled in integrating AI/ML models (TensorFlow, PyTorch) for NLP and predictive analytics, and mentoring developers on clean code, testing, and best practices within Agile environments.

Senior Python Developer with 5+ years specializing in scalable backend systems, RESTful APIs, and AI-driven data pipelines using FastAPI, Django, and Flask. Proven expertise in LLM integration (OpenAI, Deepgram, Vapi) and prompt engineering for real-time AI workflows. Experienced in microservices architecture, cloud DevOps (AWS, Docker, CI/CD), and data processing with Pandas and NumPy. Holds a BSc in Electrical Computer Engineering and currently pursuing MSc, with a strong foundation in software development best practices and system design.

Senior Software Engineer with over 20 years of experience in embedded systems, full-stack development, and 3D graphics across medical devices, aerospace, and gaming industries. Expert in C/C++, Qt/QML, OpenGL (including Safety Critical SC), GLSL, and Python, with strong proficiency in Agile methodologies, Azure DevOps, Jira, and automated testing frameworks. Proven track record in developing complex real-time systems, optimizing performance, and leading cross-functional teams. Holds a B.S. in Computer Science with a focus on Simulation and Graphics.

Software engineer with over 4 years of experience in full-stack development, specializing in PHP, Python, C#, .NET, Golang, JavaScript, and TypeScript. Holds a Master’s degree in Business Computing, Software Engineering, and AI, with strong expertise in frameworks such as Symfony, Laravel, Django, React, and Vue.js. Skilled in cloud infrastructure deployment (AWS, OVH, Docker, Kubernetes), API design (REST, OpenAPI, GraphQL), and performance optimization using Elasticsearch and Redis. Proficient in software architecture principles including SOLID, TDD, and design patterns, with hands-on experience in SaaS, ERP, CRM, IoT, and mobile applications. Demonstrated ability in business process automation and long-term project maintenance across diverse domains.