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About the Role

You'll ship product across the full NetworkOS stack, keeping the platform reliable, performant, and architected for 10x growth in regulated enterprise and defense environments. This is a hands-on execution seat on a small, senior team where you'll own complete vertical slices from database schema to UI. Your code commits move the roadmap, and your work is visible from day one.

Responsibilities

• Deliver features end-to-end, owning complete vertical slices (PostgreSQL schema, Kotlin service, GraphQL contract, Next.js UI) and shipping production features without waiting on handoffs
• Own core API and service health by designing and maintaining GraphQL and REST APIs with clean domain boundaries, keeping latency low and reliability high under growing load
• Master the data layer by designing PostgreSQL schemas, optimizing queries for scale, managing zero-downtime migrations with Liquibase, and building effective caching strategies
• Ship with confidence through comprehensive test suites (unit, integration, contract, UI) at 80%+ coverage, with CI/CD quality gates that catch problems before production
• Build resilient systems using structured logging, distributed tracing, custom metrics, circuit breakers, and graceful degradation patterns
• Elevate the team through code reviews, architectural discussions, and pair programming
• Automate with agents by building agentic primitives that make everyday full-stack work faster

Requirements

• 5+ years of professional software engineering experience, backend-weighted with real production frontend contributions
• Strong proficiency in Kotlin and Spring Boot (or Java/Spring with willingness to adopt Kotlin)
• Working proficiency in TypeScript and React (Next.js preferred)
• Solid experience with Python and modern frameworks (FastAPI preferred)
• Experience with PostgreSQL, relational database design, and migration management
• Proven track record in continuous delivery environments with automated testing
• Hands-on Docker, Kubernetes, and AWS
• Strong grasp of microservices patterns, API design, and distributed systems
• AI-native workflows — demonstrated ability to leverage Claude Code/Codex or similar agentic coding tools to accelerate development
• US citizenship required (DoD contracting — IL4/IL5 environments — and FedRAMP compliance)

Skills

• Kotlin
• Spring Boot
• TypeScript
• React
• Next.js
• Python
• FastAPI
• PostgreSQL
• Liquibase
• Docker
• Kubernetes
• AWS
• GraphQL
• REST/OpenAPI
• Claude Code/Codex

Location

• Minnesota

Work Type

• Full-time

Experience Level

• 5+ years

About the Company

• Collaboration.Ai is a mission-focused, AI-powered software and services company based in Minnesota, with employees, partners, and customers around the world.
• We unite people, technology, and purpose to accelerate breakthroughs that transform industries, empower communities, and create a more sustainable future.
• We collaborate with organizations across the defense ecosystem, helping them navigate complex challenges and drive transformative change.
• Our Products: NetworkOS — an AI-powered platform that aligns people, purpose, ideas, and expertise in real-time, generating actionable insights to propel movements forward.
• Our Products: CrowdVector — an integrated solution marketplace and innovation management platform that rapidly uncovers new ideas and advances breakthroughs to fuel movements.