Middle JS Full-Stack Developer (React/Node.js)

Use AI to solve real business challenges, improve efficiency, and create measurable business value with Modsen’s innovative AI solutions tailored to your business goals.
Move beyond isolated AI tools. Modsen embeds AI across the delivery lifecycle, combining automation, quality assurance, and human expertise into a single proven framework.
Our AI development follows structured governance, security, and compliance practices to deliver reliable, transparent, and production-ready solutions. Every system is designed to minimize risk.
We help you define the right AI strategy, prioritize the highest-value opportunities, and deliver production-ready GenAI solutions with measurable ROI.
AI for Business
Our unique AI-Augmented Delivery approach transforms software development into a more efficient business investment—accelerating outcomes and maximizing ROI.
We build economically viable solutions by implementing custom tech projects that significantly improve business performance. We’ll launch your app within the deadlines and comply with all the KPIs.
Benefit from unique senior Modsen
engineers’ expertise to strengthen your
project. Tap into a pool of developer
with an impeccable mix of tech and
communicative skills.
At Modsen, we create intuitive UI/UX experiences that bring user needs and business goals together, transforming complex products into clear, easy-to-use interfaces.
Top-notch QA solutions that meet your customers' expectations and help you achieve your goals. Choose our QA services and experience the difference that quality and expertise can make in your success.
Modsen helps startups build, launch, and scale technology products with confidence. Our tailored development, IT support, and consulting services reduce risk, control costs, and accelerate growth.
Services
Timely software development and incorporation of innovative technologies into your business are themain pillars that can ensure company growth and expansion.
We’re a team united by common goals, philosophy, and great passion for what we do. Modsen experts are aimed at long-term cooperation and joint development together with our partners.
We believe that strong ideas are born where people truly listen. And real careers grow where professionalism and teamwork are genuinely valued.
If you want to grow faster than traditional career paths allow, join a team that encourages creativity, values expertise, fosters continuous learning, and trusts your decisions – Modsen is a space where all of this becomes possible.
Here, you'll be able to fully unlock your potential by working on high-tech projects that make a difference for industries, businesses, and society.
Requirements
2+ years of commercial development experience using React and Node.js
Deep expertise and practical experience with JavaScript, TypeScript, HTML, and CSS
Experience with Express.js and NestJS
Hands-on experience with databases such as SQL and NoSQL
Experience with various State Management tools: Redux (Redux Toolkit), MobX, Zustand
Expertise and experience using testing tools: Jest, Cypress, Vitest, Playwright, React Testing Library
English language level B2+
Basics of OOP, SOLID, DRY, KISS, YAGNI, etc.
Would be a plus
Experience with Redis, RabbitMQ, Kafka, Prometheus, Grafana
Experience with Docker, Kubernetes
Experience with cloud services (Heroku, AWS, Azure, Digital Ocean, GCP, etc.)
Skills and experience with CI/CD
At Modsen, you'll get
Career advancement and professional development in a fast-growing international company with a clear direction
Many ways to improve your English – from corporate classes to international conferences
Health insurance
Large-scale corporate events and team-building activities
Sports reimbursements
Financial bonuses for important milestones in your life
If this sounds like you, Modsen could be the perfect place to realize your full potential.
In just 5 years on the market, we've delivered 250+ solutions across 25+ business domains. We work with partners from 20+ countries. Our team has been nominated as a “Top Software Developer” in 10+ global rankings. We’ve united over 500 IT experts and like-minded professionals – and even with that scale, we stay attentive to every individual.
We believe in the power of technology – and in the people behind it.