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Senior Full-Stack Engineer (JVM + TypeScript)

Senior Full-Stack Engineer (JVM + TypeScript)

OnHiresBucharest, Bucharest, .RO
11 days ago
Job type
  • Quick Apply
Job description

Remote | Globally Distributed Team

Data Platform / DevTools Product

Full-time | Long-term | Stock Options Included

Why This Role Stands Out

Join a product-driven startup backed by the investors in Zoom, LinkedIn, Uber, and Twitter — a rare opportunity to shape a technically ambitious platform from the ground up.

You’ll work alongside engineers from NASA, AWS, Meta, MIT, and Stanford on a mission-critical devtools product used by engineering and security teams to optimize how software is built and delivered.

As an early team member, you’ll receive a significant equity stake - not just symbolic stock options, but real ownership in a company solving deep technical challenges. It’s a chance to build something meaningful and benefit directly from its success.

What You’ll Work On

You’ll join the Applications team to build features end-to-end — from data processing and APIs to frontend components like browser extensions and IDE plugins.

The focus is backend-heavy, but solid frontend skills are required for delivering user-facing developer tools.

Build and own features across backend, APIs, and frontend

Develop internal and public APIs

Integrate with the company’s data platform

Contribute to browser / IDE plugins and dev-facing tools

Support CI / CD pipelines and cloud-based delivery

Collaborate with the infrastructure team (Kubernetes, GCP)

Write well-tested, maintainable code

Participate in code reviews and mentor other engineers

Tech Stack

Primary Backend : Go, Kotlin, Java, or Scala — language flexibility is welcome; JVM experience is especially valued

Frontend : TypeScript + any modern JS framework (React, Vue, Angular, Svelte — all accepted)

Infrastructure : Kubernetes, Terraform, Docker, GCP

Data Layer : PostgreSQL

DevOps : CI / CD pipelines, GitHub Actions, CircleCI

You Might Be a Great Fit If You Have

8+ years of experience in software engineering

Strong backend expertise (Go, Kotlin, Java, or Scala)

Hands-on experience with RESTful APIs and data-heavy applications

Familiarity with cloud infrastructure and Kubernetes

Solid frontend skills (TypeScript, integration-level — no need for deep UI work)

Ability to deliver production-ready features end-to-end

Comfortable working across the stack and switching layers as needed

Experience with developer tools or data platforms is a plus

English : Upper-Intermediate or higher

What’s In It for You

Stock options in a fast-growing, VC-backed startup

100% remote team with async-friendly culture

Collaborate with world-class engineers from NASA, Meta, MIT, AWS

Work on a high-impact devtools product used by engineering and security teams

Unlimited PTO and flexible hours

High ownership, zero micromanagement, no legacy

Interview Process

Recruiter screening (30 mins)

CEO interview

Math interview

Technical interview #1 (live coding)

Technical interview #2 (live coding)

Final interview with CTO / co-founder

Interested?

Apply now or message us directly — we’ll be happy to share more about the role, product, and team. Let’s build something exceptional together.

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Fullstack Engineer • Bucharest, Bucharest, .RO

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