Hire Developers and Teams to Boost Your Product Development
• 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;
Senior (5-10 years)
Ukraine
- 5+ years of experience as a Front-end JavaScript Developer; - 5+ years of experience in React.js; - Proficient in Solana Blockchain operations, including managing deposits, executing transfers, creating Phantom wallets, and handling contract call interactions; - Strong abilities working with Web3; - Deep experience in Next.js technology; - Experience with WebRTC, Soket.io; - Good knowledge of Tailwind CSS, Bootstrap, and Chakra UI; - Experience working with Redux, and Docker; - Familiar with Node.js; - Proficiency in testing frameworks like Jest and Cypress; - E-commerce, web, and mobile applications, including learning platforms, chatbots, dApps, and cryptocurrency wallet extensions.
Senior (5-10 years)
Castel San Giovanni, Italy
- Strong background in computer engineering and automation; - 5+ years of experience with Python; - Good knowledge of the blockchain industry and web3 project development; - Proven expertise in developing mobile applications, crafting solutions for crypto services, and creating telegram mini-apps; - Skilled in web automation, bot development, parsing, and working with web3 technologies.
Middle (3-5 years)
Ternopil, Ukraine
- 10+ years of experience in web development, M.Sc in Software Engineering - Front-End: Angular, React, Vue.js (JavaScript & TypeScript) - Back-End: Node.js, Next.js, TypeScript , PHP - Mobile: React Native - AWS Cloud infrastructure - Control systems (e.g., Git) and familiarity with DevOps practices for continuous integration and deployment (CI/CD). - Unit testing, integration testing, and end-to-end testing. - Experience leading and mentoring a team of developers, including assigning tasks, providing guidance, and ensuring the team's success. Ability to motivate and inspire team members, resolve conflicts, and provide constructive feedback. - Experience conducting assessments and interviews remotely.
Architect/Team-lead
Ukraine
- 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.
Junior (1-2 years)
Dnipro, Ukraine
- 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.
Expert (10+ years)
Ukraine
- 7 years of commercial experience with JavaScript, ECMAScript 6. - 5 years with Vue.js framework (including Vue 3 core principles, Style Guide, Composition API, official documentation of the framework) - Deep understanding of HTML5 and CSS3. - Interacting with API endpoints and other web services. - Converting UI/UX mockups into functional web applications with pixel perfection - Experience with responsive layout, web sites, mini applications in JS and SPA in Vue.js. - Familiar with SOLID, DRY and other clean code design principles. - Experience with UI components like UI Kit & Bootstrap - Unit tests (Cypress) - Projects with Wordpress - Intermediary English
Middle (3-5 years)
Vinnitsa, Ukraine
$6500/month
- 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
Senior (5-10 years)
Kyiv, Ukraine- 12+ years experience working in the IT industry; - 12+ years experience in Data Engineering with Oracle Databases, Data Warehouse, Big Data, and Batch/Real time streaming systems; - Good skills working with Microsoft Azure, AWS, and GCP; - Deep abilities working with Big Data/Cloudera/Hadoop, Ecosystem/Data Warehouse, ETL, CI/CD; - Good experience working with Power BI, and Tableau; - 4+ years experience working with Python; - Strong skills with SQL, NoSQL, Spark SQL; - Good abilities working with Snowflake and DBT; - Strong abilities with Apache Kafka, Apache Spark/PySpark, and Apache Airflow; - Upper-Intermediate English.
Senior (5-10 years)
Norway
• 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
Expert (10+ years)
BelarusHire a Developer or Team Tailored to Your Needs
Build Software Engineering Team as Effortless as Calling a Taxi
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Interview First Engineers
Upstaff's network enables clients to access specialists within hours & days, streamlining the hiring process to 24-48 hours, start ASAP.
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Upstaff's network & platform enables clients to scale up and down blazing fast. Every hire typically is 10x faster comparing to regular recruitement workflow.
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AI tools and expert human reviewers in the vetting process is combined with track record & historically collected feedbacks from clients and teammates.
Save Time For Deep Vetting
In average, we save over 50 hours of client team to interview candidates for each job position. We are fueled by a passion for tech expertise, drawn from our deep understanding of the industry.
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Custom Engagement Models
Flexible staffing solutions, accommodating both short-term projects and longer-term engagements, full-time & part-time
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Candidate Staffing Platform stores data about past and present candidates, enables fast work and scalability, providing clients with valuable insights into their talent pipeline.
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Price quoted is the total price to you. No hidden or unexpected cost for for candidate placement.
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No matter how many engineers you employ, there is only one monthly consolidated invoice.
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Bringing 2M+ Wallet Ecosystem to the Next Level Decentralized Operating System.
Job Description – The story of creating your own Chrome extension
Transforming CRM for Efficiency for European and E-commerce Payment Provider
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Find Developers and Hire Developer Talent Fast
Upstaff cuts through the noise to help you find appdevelopers and hire app developer pros who fit your vibe. Filter by skills—say, JavaScript ninjas or mobile app wizards—and see detailed profiles with past wins and tech stacks. Fun fact: The average developer writes 10,000 lines of code a year, but Upstaff’s talent pool churns out quality over quantity. Need a quick fix or a long-term developers on hire gig? They’ve got you covered.
Hire Developers for Niche and SaaS Projects
Looking for something specific? Upstaff shines at pairing you with hire developers for tricky stuff—like a hire SaaS developer who’s built subscription apps that rake in millions. Their network includes Flutter experts too, crafting cross-platform apps faster than you can say “iOS and Android.” Did you know SaaS companies using dedicated developers see 30% faster growth? Upstaff’s pros are your secret weapon for niche wins.
Developers for Hire From Anywhere
Why box yourself in? Upstaff offers developers for hire from global hotspots—think Ukraine’s coding hubs or India’s tech boomtowns. This isn’t just about cost; it’s about tapping into diverse talent. A cool stat: 70% of developers worldwide prefer remote work, and Upstaff’s got them lined up, ready to sync with your time zone and crush your goals.
Hire Offshore Developers for Budget and Scale
Want to stretch your dollars? Hire offshore developers through Upstaff and get seasoned coders at rates that’d make your accountant smile—sometimes 50% less than local hires. These offshore developers scale with you too—solo today, a squad tomorrow. Fun tidbit: Offshore teams helped build Slack’s early infrastructure, proving distance doesn’t dent quality.
Freelance Developers for Flexible Wins
For short-term magic, freelance developers are your go-to. Upstaff’s hire freelance developers process hooks you up with pros who thrive on freedom—think a hire freelance developer knocking out a prototype in a week. Here’s a nugget: 36% of the U.S. workforce freelances, and Upstaff’s tapping that pool to deliver fast, reliable results without the long-term strings.
Hire Dedicated Offshore Developers for the Long Game
Big project ahead? Hire dedicated offshore developers who’ll stick with you like an in-house crew, minus the overhead. These pros—often hire offshore developer experts—dive deep into your workflow. Interesting bit: Companies using dedicated offshore teams report 25% higher project completion rates. Upstaff ensures they’re not just hired hands—they’re your partners.
Remote Developers for Hire Without Borders
Remote’s the future, and Upstaff’s remote developers for hire nail it. From hire remote Flutter developers crafting sleek apps to coders syncing via Slack, they work wherever you need them. Here’s something wild: Remote developers are 20% more productive when they skip the commute, according to studies. Upstaff’s talent keeps your deadlines tight and your output sharp.
Hire Offshore Developer for Quick Impact
Need one hire offshore developer to swoop in? Upstaff pairs you with a pro who’s ready to roll—think clean code delivered overnight. These lone wolves bring global expertise to your inbox. Fun fact: The first “offshore” programmer was hired in 1971 via satellite—Upstaff’s just perfected the art decades later.
Hire Freelance Developer for Instant Solutions
Got an urgent itch? Hire freelance developer talent through Upstaff and scratch it fast. These nimble pros tackle fixes or features with zero fuss—perfect for a Mobile App developers for hire quick-win scenario. Here’s a kicker: 80% of businesses say freelancers help them adapt to workload spikes. Upstaff’s got the best of that bunch, vetted and raring to go.
Upstaff’s your fast track to finding developers and hiring developers—offshore, freelance, remote, you name it. They ditch the clutter, match you with talent that clicks, and throw in some global flair to boot. Ready to build something epic? Upstaff’s got the crew for it.
