Engineering
Senior Full-Stack Developer
Lead development of scalable web products from architecture to production deployment.
EngineeringVilnius, Lithuania · HybridFull-time · Posted March 2026Apply by September 1, 2026
About this role
We're looking for a Senior Full-Stack Developer to join our engineering team and deliver high-quality web applications for clients across Europe.
You'll work on projects ranging from SaaS platforms to customer portals — using Next.js, React, TypeScript, and robust backend APIs.
This is a hands-on role with ownership over features, code quality, and mentoring junior developers.
Application deadline: September 1, 2026
What you'll do
- Design and implement full-stack features using Next.js, React, and Node.js
- Collaborate with designers, PMs, and clients in agile sprints
- Write clean, tested, maintainable code with peer reviews
- Contribute to architecture decisions and technical documentation
- Mentor mid-level and junior developers on the team
What we're looking for
- 5+ years of professional web development experience
- Strong proficiency in React, TypeScript, and Node.js
- Experience with PostgreSQL and REST or GraphQL APIs
- Familiarity with CI/CD, Docker, and cloud deployment (AWS)
- Excellent English communication skills
What we offer
Competitive salary based on experience
Hybrid work — Vilnius office + remote flexibility
Learning budget for courses and conferences
Modern equipment and tools
Collaborative, low-ego team culture
Other open positions
Interested in this role?
Send your CV and a short note to careers@optimitysol.com. We typically respond within one week.
Apply by September 1, 2026
Apply by email