Senior Full-Stack Engineer (Backend-Oriented Node.js + React)
About Adaptiq
Adaptiq is a technology hub specializing in building, scaling, and supporting R&D teams for high-end, fast-growing product companies across various industries.
This company is at the forefront of AI-driven optical fiber sensing, combining cutting-edge digital signal processing and machine learning to deliver real-time insights across critical infrastructure.
Their technology not only helps prevent environmental disasters but also safeguards human lives and ensures the smooth operation of power grids, railways, highways, and pipelines - both on land and subsea.
Backed by major investors including prominent energy and equity partners, the company is a true innovator in the field.
About the Role
We are currently seeking a seasoned Senior Backend-oriented Full Stack Engineer (with React) to join our dynamic team. You’ll play a key role in the end-to-end delivery of a dynamic, AI-driven scaling product that integrates cutting-edge optical fiber sensing, advanced digital signal processing, and machine learning technologies. You will lead the design and implementation of innovative solutions, making critical project decisions that drive our success. You’ll collaborate closely with cross-functional teams, take full ownership of features from concept to deployment, and contribute to shaping the future of a platform that has real-world impact.
What You’ll Do:
- Software Design, development, testing, deployment, maintenance, and improvement
- Building intelligent systems that provide real-time visibility into complex infrastructure networks
- Developing responsive, real-time alert mechanisms to detect anomalies and trigger proactive actions
- Collaborating with colleagues and internal customers on technical challenges
- Troubleshoot system issues and provide quick and thorough solutions
- Maintain high standards of software quality by utilizing good practices and habits
What We’re Looking For:
- 8+ years of experience with Node.js
- Hands-on experience with Nest.js framework
- At least 2 years of experience working with React
- Solid understanding and practical experience with Kubernetes
- Proficient with SQL, PostgreSQL
- Experience in designing and implementing RESTful API
- Experience with cloud environments (AWS/GCP/Azure)
- Experience with microservice architecture
- Experience implementing real-time data communication features using WebSockets
- Proven experience in delivering large-scale, robust, available SaaS applications
- Expertise with development processes, including feature design, design reviews, code reviews, and automated testing
- Proven experience in end-to-end feature life cycle ownership from product requirements to architecture and design to development and testing
- Excellent English communication skills, both verbal and written
- Strong communication and collaboration skills
- Bachelor’s degree in Computer Science or a related field
Nice to Have:
- Experience with MongoDB
Why Join Us?
✅ Remote-first
✅ 20 paid vacation days + national holidays
✅ Powerful hardware provided
✅ Competitive package and growth opportunities
✅ Work with purpose – our tech literally saves lives and prevents disasters
✅ Tight-knit, senior team with clear tech direction and strong autonomy
🌍 This role is available to candidates based in Ukraine and Poland.
🚀 Ready to make an impact with cutting-edge tech and a mission that matters?
Apply now — we’d love to hear from you.