backend developer for AI-spec-driven development

HireHi; United States; Remote; USD 101,000 - 147,000; Full time

Benefits offered by this job

Remote from Germany

Office locations in Belgrade, Berlin,

Job summary

JetBrains' ThinkRail project seeks a senior backend or full-stack engineer to build and evolve developer tools, including VS Code and IntelliJ plugins, and to develop the language server that powers analysis, completion, diagnostics, and verification.

You will work with TypeScript, DSLs, and AI agent integrations, collaborating with the founder to guide technical decisions in a fast-moving, small team with high autonomy. Remote work from Germany is available.

Qualifications

• Senior backend or full-stack engineer with ownership
• Experience with TypeScript or similar
• Strong engineering fundamentals and problem ownership
• Nice to have experience with developer tools, DSLs, static analysis, or editor plugins
• Comfort working in a small, fast-moving team with a high degree of autonomy.
• Nice to have: experience with developer tools, DSLs, static analysis, LSP, editor plugins, or AI agents.

Responsibilities

• Build and evolve ThinkRail’s developer tooling, including VS Code and IntelliJ IDEA plugins
• Develop the language server, including analysis, completion, diagnostics, and verification
• Improve the evaluator that turns specs into code and detects drift
• Integrate ThinkRail with AI agent frameworks and protocols
• Collaborate closely with the founder to shape technical decisions as the product evolves

Skills

Senior backend

Full-stack

TypeScript

Independent worker

Autonomy

Editor plugins

AI agents

DSLs

Tools

VS Code

IntelliJ IDEA

Language Server Protocol (LSP)

Job description

JetBrains develops developer tools that automate routine checks and corrections, helping developers work faster and create software more effectively. ThinkRail is an open-source alpha project within JetBrains' Innovation Hub that develops a declarative programming language and infrastructure for AI-spec-driven development.

Задачи:

• Build and evolve ThinkRail’s developer tooling, including VS Code and IntelliJ IDEA plugins
• Develop the language server, including analysis, completion, diagnostics, and verification
• Improve the evaluator that turns specs into code and detects spec-code drift
• Integrate ThinkRail with AI agent frameworks and protocols such as Koog, LangGraph, Spring AI, MCP, and ACP
• Work closely with the founder and help shape technical decisions as the product evolves

Требования:

• Senior backend or full-stack engineering experience
• Ability to work independently and take ownership of complex problems
• Strong engineering fundamentals
• Experience working with TypeScript or comparable background
• Comfort working in a small, fast-moving team with a high degree of autonomy
• Nice to have: experience with developer tools, DSLs, static analysis, LSP, editor plugins, or AI agents

Условия:

• Remote work is available from Germany
• Office locations are available in Belgrade, Berlin, Limassol, Munich, Paphos, Prague, Warsaw, and Yerevan
• No conditions specified