Discover Top Developer Profiles
Our directory at Upstaff.com showcases a talented group of developers, each bringing a wealth of expertise to the table.
- With profiles highlighting skills in IT development, AI, design, sales, marketing, admin, and customer support, our developers stand out for their rigorous vetting and diverse technical proficiencies. Ranging from seasoned experts with over a decade of experience to skilled mid-level professionals, they excel in languages like JavaScript, Python, and React, tackling complex projects with precision.
- Hailing from various regions, including Europe, LatAm, Israel, and the United States, our developers offer a global perspective, ensuring adaptability and high-quality work across industries.
Each profile reflects a commitment to excellence, validated through thorough technical assessments and communication evaluations, making them reliable partners for any project.
- 8+ years of experience with Android Development - 4+ years of experience with Kotlin - Upper-Intermediate English
- 4 years of commercial experience with Kotlin - Intermediate English
- 5+ years of experience in developing web applications using JavaScript (Node.js, React.js). - Have solid understanding and knowledge of object-oriented approach, software engineering principles, and concepts. - Have knowledge in development of design and development of relational databases, creation stored procedures and triggers. - Intermediate English - Availability starting from ASAP
- 6 years of experience as a software engineer - 5 years of experience with Golang - Extensive knowledge and hands-on experience in these Public Key Infrastructure(PKI) and mutual TLS (mTLS) - Upper-Intermediate English
- 7+ years of commercial experience in IT - Experience in developing applications using JavaScript (React, React Native) - Strong knowledge of JavaScript, HTML, CSS and big variety of development tools and libraries - Good logical thinking, self-learning, high level of responsibility - Responsible, self-motivation, hard-working, creative and communicable, team player. - Good attention to possible solutions and details - Desire to develop good modern applications - Intermediate+ English - Availability starting from ASAP
- Experience in developing web applications using JavaScript (React.js, Node,js). - Good logical thinking, high level of responsibility. - Communicative, responsible, hardworking, result-oriented, and team player. - Good attention to details. - Intermediate+ English - Availability starting from ASAP
- Experience more than 9+ of professional Software Testing - Good understanding of QA theory and deliverables - Clear understanding of SDLC and testing processes: Scrum, Waterfall, XP - Practical experience in Agile/Scrum development processes - Strong experience in working with QA documentation, knowledge in using support documentation - Good knowledge of different testing methods, techniques and types - Ability to apply test analysis and test design techniques - Proficient with defect tracking and test management tools - Strong experience in testing of multiple iOS and Android-based smartphones and tablets - Experience in web services testing and Responsive Design testing - Test automation experience - Upper-Intermediate English - Availability starting from 01/10/2023
- More that 7+ years of professional expertise in the Information Technologies (IT) industry - Technical Lead of QA department - Experience in teaching and team leading - Experience in negotiation and communication with customer - Clear understanding of SDLC and testing process: Agile (Scrum, Kanban), Non-agile (Waterfall, V-model) - Practical experience in Agile/Scrum development process - Strong experience in working with test documentation (Test-plan, checklist, test-case, test-report etc.) - Good knowledge of different testing methods, techniques and types - Proficient with defect tracking and test management tools - Strong experience in testing of multiple iOS and Android-based smartphones and tablets - Ability to work independently, analytical mindset - Responsive Design testing experience - Upper-Intermediate English. - Availability starting from ASAP
- 8 years of experience in Quality Assurance; - Strong understanding of SDLC and testing methodologies; - Strong experience in testing web and mobile applications; - Daily Scrum activities (stand-ups, meetings, planning, work estimation, decision making); - Strong experience in maintaining and updating test documentation (test cases, checklists, test plan, mind map); - Providing test results reports on a daily/weekly basis; - Conducting internal trainings for QA team, have experience in mentoring, performance reviews; - Experience in Scrum Master responsibilities. - Upper-Intermediate English. - Availability starting from 01/10/2023
- Senior Software Engineer with 6 years of experience in the IT industry, 5+ of them at cross-platform mobile development. - Mostly works with React and React Native. - He does his best to keep up with modern practices and modern technologies, that way he can offer clients the most up to date solutions that give the users of their application the best experience. - Team player and flexible in the working environment. - Responsible Engineer willing to grow professionally and create new effective solutions for business. - Upper-Intermediate English.
- 4+ years of commercial experience - Highly motivated Full-stack developer with a strong focus on delivering results. - Equipped with solid technical and problem-solving skills, strive to create impactful solutions. - Great team player, and always responsive to the needs of the project. - Upper-Intermediate English.
- Experience more than 15+ of professional Software Development and Automation Testing - Tech Lead of QA department, enormous experience in mentoring; - Participation in testing of software applications for a range of business domains; - Experience in testing of different projects for different OS and Application Servers; - Experience with Java, Python automated testing; - Experience with Relational databases and ORM technology; - Experience in writing testing documents (test plans, test cases, etc.); - Experience in common testing techniques including black box, functional, smoke, load, performance, regression, GUI, usability, scenario, etc.; - Good communication skills, ability to learn new software and processes quickly and efficiently. - Upper-Intermediate English - Availability starting from ASAP
- 37+ years of experience in IT. - Proficiency English
- Being a Java Developer for 6+ years - I’ve got to know not only the SDLC but also how to work in a team as well as individually, team management and also how to deal with the clients. This is how I’ve contributed to the company’s growth along with my personal growth side by side. - A bit I’ve learned, and a lot to be explored further for which I am always looking ahead. - Upper-Intermediate English.
- 15+ years experienced and result-oriented software engineer with strong technical, analytical, and mentoring skills. - Having wide expertise in computer science working with different technologies including front and back-end side (mostly Java, Java Script), Key person in leading development of products from scratch throughout the project life cycle. - Excellent problem-solver able to take responsibility for project delivery on time. Successful in solving complex challenging tasks. - Fluent English.
- Highly skilled Business Analyst with more than 10 years of experience. - Has outstanding ability to understand business needs and provide an effective and appropriate solution. - Capable of analyzing a wide range of business needs in highly complex industries, especially in the financial domain. - Combines strong technical knowledge with a good understanding of the business background. - Fluent English
- Experienced Software Engineer with deep DevOps expertise and demonstrated history in solving complex technical issues. - AWS-certified solutions architect with strong OOP fundamentals knowledge and proven expertise in DevOps tools. - Experience leading the team, creating architecture, work with security and integrations. - Perfect team player who is known for his excellent communication skills, good at working in a multicultural environment. - Advanced English.
- A software engineer with over 5 years of professional experience in web development. - He is a responsible person with an ability to collaborate closely with customers, driven by a deep understanding of agile development processes. - A skilled developer with a wide knowledge across the stack of web development. - Experienced working in large-size and complex web applications. - Developed architecture for both short-term and long-term projects. - Participated in mentoring trainees, sharing my expertise, and adapting new technologies and practices to real-life production projects of various scales. - Upper-intermediate English.
- Experienced in driving the project from scratch in the financial and pharmaceutical fields. - Working with data modeling of the DWH structure as well as integration of DWH with the third-party data providers, and ETL tasks. Successful in the architecture definition and infrastructure selection for clients. - Advanced English.
- Strong knowledge of C/C++, 20 years of experience in firmware and embedded development using different types of micro-controllers and microprocessors - Design of different measuring units for MWD-systems, SCADA systems for industrial equipment - Experience and understanding of OOP, component design - Deep experience in developing measuring equipment - Involvement in long-term projects, which gave me strong experience in various areas of software design and development, including design of client-server systems, low-level firmware development and testing projects. - Solid knowledge in using various tool required for successful project development: Issue and Bug Tracking systems, Source Control systems, Code Review tools. - Active teamwork attitude, quick learning ability, good skills in problem solving. -Sociable, result oriented, Good logical thinking - Intermediate English. - Availability starting from ASAP
- More than 10 years’ experience of software development - Data science skills. Computer Vision, multiple view geometry, camera calibration, LIDAR, object detection, semantic segmentation, instance segmentation, time series, dynamic programming - Software Engineering skills. Experience of IoT (Internet of Things) and Embedded development - Solution-oriented scientist focused on R&D and product delivery with 9 years of experience on the outsource domain - Accustomed to self-education and independent problem solution - My inspiration is exiting by challengeable and reasonable engineering tasks. Pitching skills from years of conferences attendance and strong understanding of business needs are my strengths - Intermediate English. - Availability starting from ASAP
- Over 20 years of experience as a scientist in Probability Theory, Mathematical Statistics, Theory of Stochastic Processes, Data Science - PhD in mathematics. Dissertation - Investigation of dynamical systems under the effect of fast random oscillations (https://drive.google.com/file/d/1_DJKEm70VTshRR8XHVHM1Hi9-tC5u3VD/view - .NETdeveloper with 9 years of experience in creating desktop and web applications. Good knowledge of most of the common technologies for the platform (C#, ASP.NET) - Experience in designing and developing of big distributed systems, knowledge of how to conduct a project from its definition of production. - Experience of work in a team and experience in the management of a short team (up to 5 members) - Experience in team leading, including teams with 5+ developers. - Knowledge of how to improve a project from a business perspective - Accustomed to self-education and independent problem solution - Responsible, hard-working, result-oriented - Intermediate English. - Availability starting from ASAP
- 14+ years of work experience in IT. - Upper-intermediate English. - Availability starting from ASAP.
- 7+ years of commercial experience in IT - Experience in developing applications using Swift, Objective-C - Excellent knowledge in OOP - Experience in using Design patterns - Good logical thinking, self-learning, high level of responsibility - Responsible, hard-working, result-oriented, creative and communicable, team player - Good attention to details - Advanced English - Availability starting from 31/07/2023
- As an accomplished Android Engineer with six years of experience, I have a proven track record of developing high-quality Android applications. My passion lies in diving deep into the core development of a project and leaving my technical mark. I am eager to keep pace with the rapidly changing mobile world, and I embrace challenges with enthusiasm - My journey as a Software Engineer began during high school, and I have continued to grow and develop my skills ever since. I am dedicated to working hard and driving innovation in all of my projects. I am also a personable and friendly team player, and I thrive on the opportunity to collaborate with others and meet new people - Overall, I am committed to delivering exceptional results and making a positive impact on any project I work on - Upper-Intermediate English
- 8+ years of experience with XSLT/XML - Writing, testing and maintaining XSLT & Schematron code that apply some filtration, mapping and conditions on XML and validate the output XML - Converting IATA NDC Standard XML Content format into IATA NDC Standard XML format using XSLT - Familiar with many processing engines like Saxon (Java) - libxslt (C) - Python’s package - Upper-intermediate English - Available ASAP
- 8+ years of commercial experience in IT - Experience in developing applications using Dart and Java - Excellent knowledge in OOP - Experience in using Design patterns (MVVM, Bloc, Clean Architecture) - Experience in using SQLite - Good logical thinking, hard-working, self-learning, result oriented - Good attention to details. - Upper-Intermediate English - Availability starting from 01.08.2023
- 7+ years of commercial experience in IT - Experience in developing applications using Java, Kotlin - Excellent knowledge in OOP - Experience in using Design patterns (MVP, MVVM) - Experience in using SQLite - Good logical thinking, hard-working, self-learning, result oriented - Good attention to details. - Upper-Intermediate English - Availability starting from 01/08/2023
- More than 15 years extensive experience in IT - Over 10 years as a Node.js developer - large systems software design and development experience - Experience performing in-depth troubleshooting with both new and legacy production systems - Solid experience with problem diagnosis and resolution - Advanced English.
- More than 19 years at Design sphere - Proven work experience as a UI/UX , Graphic, Product Designer - Proven work experience as a Design Lead - Art direction of digital design projects - Design department management - Up-to-date knowledge of design software like Adobe Illustrator and Photoshop, Figma - Experience in creating own IT product - Team spirit; strong communication skills to collaborate with various stakeholders - Good time-management skills -Intermediate+ English - Availability starting from 21.08.2023
- 12 years of commercial experience in IT - Experience in developing applications using Kotlin, Java - Excellent knowledge of OOP - Experience in using Design patterns (MVVM, MVI, MVP) - Experience in using SQL/NoSQL databases - Good logical thinking, hard-working, self-learning, result oriented - Good attention to details. - Upper-Intermediate English - Availability starting from ASAP
- With over 15 years of experience in IT, I am a 4X Salesforce Certified professional who is passionate about helping small and medium businesses leverage the power of Salesforce to achieve their goals. I currently work as a Salesforce Administrator and Salesforce Declarative Developer at Anyity, a Salesforce ISV partner that provides Salesforce solutions for various industries and sectors. - At Anyity, I am responsible for managing the Salesforce production org and sandboxes, modifying reports, dashboards, and list views, maintaining data integrity and security, configuring data integration and automation using Flow, Approval processes etc., developing and implementing custom applications, objects and fields. I also have experience in Salesforce Lightning, Sales & Service Cloud, and DevOps center , as well as Agile methodology skills. I am always eager to learn new technologies and best practices, and I am an active member of the Salesforce Trailhead community, where I have achieved the Double Star Ranger rank and multiple Superbadges. - Upper-Intermediate English
- Experienced full-stack web developer and team lead; - 5+ years experience working with Elixir; - 13+ years of experience working with Ruby on Rails, - Deep skills with Go, JavaScript; - Good abilities working with MySQL, PostgreSQL, and Apollo GraphQL; - Experience with Docker, and Kubernetes (K8s); - Deep knowledge of Amazon Web Services (AWS), and Google Cloud Platform (GCP); - Solid knowledge of strategies, patterns, and technologies; - Lead and mentor other developers in coding complex technical solutions; - Upper-Intermediate English.
- UI/UX designer with more than 7-year experience in providing customized design solutions for complex SaaS, B2B, B2C products and mobile applications, introducing only the highest level of UI/UX in each project. - My philosophy is to provide a quality product in the most efficient manner. I always adhere to my development stages in creating a product. You will not get work that is done poorly and you will not have to change it. - I always hear and understand what the customer wants, so you don’t have to spend a hundred hours explaining what your product requires. - Quick learner, team player, goal-oriented and responsible -Intermediate+ English - Availability starting from 01.09.2023
- 18+ years of experience in IT - Upper-Intermediate English
- Dedication, seriousness, creativity to solve complex problems, experience in embedded and web software development. - Experience in software development mainly in Linux environment for both embedded and backend development. Experience in automotive industry and industrial automation, energy, wireless, ecommerce and others areas. - Upper-Intermediate English
- Experienced Software Engineer with deep DevOps expertise and demonstrated history in solving complex technical issues. AWS-certified solutions architect with strong OOP fundamentals knowledge and proven expertise in DevOps tools. - Experience leading the team, creating architecture, work with security and integrations. Perfect team player who is known for his excellent communication skills, good at working in a multicultural environment. - Advanced English.
- Developer with 11+ years of experience - Developing web applications using PHP, JavaScript, Golang - Experience with Blockchain and smart contracts - Solid experience with MVC architecture-based Web Application Development - Excellent knowledge of common software engineering practices, like OO principles, modern design patterns, test-driven development, continuous integration, and continuous deployment - Experience in building database architecture - Has experience in Architectural approach discussions, design and decision making (feature/component level) - Estimation decision-making delivery management cross-team technical communication task - Extensive experience in mentoring specialists, making code review - Strong analytical skills, well knowledge of math, and high level of responsibility - Quick learner, team player, goal-oriented and responsible. - Upper-intermediate English. - Availability starting from ASAP
- Over 15 years experience in leading the design, developing, and delivery of complex IT projects and high-performance solutions, +10 years in business intelligence and in the data analytics field - Advanced hands-on experience in reactive, microservices-based, distributed system design and development including stream application platforms for advanced analytics including machine learning and data science - Proficient Data Engineer-researcher focused on the immediate benefits for the business using Big Data tools (AWS Glue, AWS Greengrass, AWS EMR, AWS Data Lake) with advanced analytical and visualization APIs (graph DB – Titan, Neo4J, Tinkerpop, software development – Scala, Python) with CI/CD pipelines – Jenkins, Circle CI, GitLab actions - Generative AI - Q&A with multiple choices, pre-trained models (Hugging Faces ecosystem, T5, BERT, GPT), ChatBot for online gambling platform (LangChain, Pinecone, Cohere, Faiss, Hugging Face Hub) - Generative AI in NLP - information retrieval for 1) generate personalized recommendations for products or services based on a user's preferences and past behavior 2) summarize legal documents and contracts, making it easier for lawyers and legal professionals to review and analyze large volumes of legal documents. 3) create content such as product descriptions, blog posts, and social media posts - Recommendations platforms - mobile games platform (generate game recommendations based on player history, promo-offers, AWS Personalize ), self-learning algorithms for data-based risk management in agriculture (Monte-Carlo tree and Markov chains) - Upper-intermediate English. - Availability starting from ASAP
- Full stack developer with overall 12+ years of experience in SAP CAPM, HANA, ABAP, SAP Fiori, SAPUI5 and BTP developments and extensions. - Expertise in working with the latest SAP technologies: SAP Fiori Elements, HANA CDS views, SAP CAI Bots, SAP Cloud Foundry, SAP Cloud App Programming Model, SAP Task Center, Mobile Start. - Good understanding of Microservice architecture and microservice development in NodeJS. - Good understanding of cloud services from an architecture design perspective. - Expertise in Extension/Enhancement of Standard Fiori Apps - Expertise in Dump Analysis, debugging, and resolution - Expertise in BADI Implementation, User exits, customer exits, and other enhancements. - Experience working on 5 implementation projects and 3 support projects. - SAP Certified Development Associate SAP HANA completed in December 2022. - Winner of SAP Hacks for Innovation Hackathon for SAP Build Apps
- 9+ years of commercial experience in IT - Developing web applications using JavaScript (AngularJS, Angular 2+, Node.js, Nest.js) - Experience in TypeScript - Good logical thinking and team player - Studying fast, following modern programming trends with different media sources. -Intermediate+ English. - Availability starting from 01.08.2023
- 10+ years of commercial work experience in IT - Experience in developing applications using C# - Experience in development on the Microsoft .NET platform (C#, ASP.NET(Core) MVC, ASP.NET(Core) Web API) - Experience in developing web applications using frontend frameworks. - Refactoring of the existing applications. - Good knowledge in OOP, best practices, coding standards. - Experience in load testing, automated unit testing, configuration of CI/CD, code review. - Experience with: Database design. Solutions on the back-end from scratch. Remote working. - Team leadership or mentoring of small team - Good attention to details. - Highly motivated team player. - Upper-Intermediate English - Availability starting from ASAP
- I am a self-taught Android developer with a passion for building scalable architecture and writing easily maintainable (deletable) code. - I am a big fan of DI frameworks like Dagger, Anvil, or Hilt. - I build apps out of passion outside of working hours, but lately, I have been exploring Ktor on the backend side and working on fully Compose Android applications. - From time to time, I also like to tinker with Figma. - I am passionate about the latest tech, hardware and security.
- 5+ years of commercial experience in IT - Profound experience in developing applications using JavaScript - Identifying key core problems and impacts to business resulting from software modifications - Comprehensive understanding and propagating of best engineering practices like TDD, refactoring, code review, etc - Working with project estimation and pre-sales - Experience as a Team Lead - Experience in mentoring developers at the project and group of interns/trainee developers - Organizing educational programs for back-end developers - Experience working in large teams (40+ team members) - Quality/result-oriented and highly motivated team player with good communication skills - Analytical thinking, responsible, hard-working, creative - Upper-intermediate English. - Availability starting from 01.08.2023
- 8+ years of work experience in IT. - Have good hands-on experience in AWS and implementing core DevOps concepts such as virtualization, version control, cloud computing, load balancing, etc. by using a wide variety of technologies. - Experience with Kubernetes. - Interested in innovative technologies and always open to new knowledge. - Upper-intermediate English. - Availability starting from ASAP.
- An experienced IT man with more than 11+ years' background. - Qualified DevOps Engineer with 4+ years of experience. - Azure/AWS cloud experience. - Solid skills in CI/CD workflow - Ansible, Terraform usage - Bash, Python knowledge - Strong QA background. - Linux troubleshooting - Strong analytical and problem-solving skills. - Upper-intermediate English. - Availability starting from ASAP
- 7+ years of work experience in IT - Experience in developing applications using Java 8 - Excellent knowledge in OOP - Experience in using Design patterns - Good logical thinking, self-learning, high level of responsibility. - Responsible, hard-working, result-oriented, creative and communicable, team player. - Good attention to detail. - Upper-intermediate English. - Availability starting from 18/09/2023
- 5+ years experience in IT. - Have experience as a Team Lead. - Java developer with experience in building web applications and hands-on experience in SDET as well. - Have experience with Microservices. - Responsible for conducting demo sessions to end-customer (70-100 people audience), and conducting interviews at the client's request. - Good logical thinking, self-learning, high level of responsibility - Upper-intermediate English. - Availability starting from ASAP