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Senior Backend Engineer

London, England, United Kingdom🌐 Remote💼 Full-time🗓 2026-08-19 → 2026-09-26

Core

Senior backend developer building high-performance APIs, AI agents, and legal workflow features for a startup legal tech platform.

Role type

Senior IC backend engineer (JVM/AI)

Builds

Social investment features, document/workflow management, AI-enhanced legal products

Domain

Legal technology / Venture Capital / Fintech

Deliverable

production ML models | product features

Required skills

JVM languages (Kotlin), Spring, high-performance API design, agentic AI development, test-driven development, secure coding practices, web application monitoring

Preferred skills

LLM plugin/agent development, open source contribution, product engineering mindset, agile methodology

Technologies

Kotlin, Spring, LLMs (Claude), agentic micro-services

Responsibilities

Designing and building complex backend solutions, mentoring junior developers, making architecture decisions, conducting code reviews, driving innovation in AI and legal template generation

Seniority

Senior, hands-on IC with mentorship responsibilities

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