Senior Software Engineer

Collaboration.Ai

Senior Software Engineer working on NetworkOS stack, delivering features in AI-powered solutions for defense. Full ownership of projects from database to UI in a high-autonomy, modern tech stack.

Posted 7/30/2026full-timeRemote • Minnesota • 🇺🇸 United StatesSeniorWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates expertise in backend development with a strong focus on Kotlin, Spring Boot, and PostgreSQL, while also contributing to frontend technologies like TypeScript and Next.js. Proven ability to design and maintain APIs, implement CI/CD practices, and mentor engineering teams in a fast-paced, production environment.

Highest-signal resume keywords

Kotlin ProficiencyPostgreSQL Schema DesignGraphQL API DevelopmentCI/CD ImplementationDocker and Kubernetes Experience

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

KotlinSpring BootTypeScriptReactPostgreSQLPythonFastAPIAPI DesignMicroservices PatternsAutomated Testing

Soft Skills

MentoringCode ReviewArchitectural DiscussionsPair Programming

Tools & Technologies

DockerKubernetesAWSLiquibase

Industry Keywords

Continuous DeliveryDoD ContractingIL4/IL5 EnvironmentsFedRAMP Compliance

Tech Stack

Tools & technologies

AWSDistributed SystemsDockerGraphQLJavaJavaScriptKotlinKubernetesMicroservicesNext.jsPostgresPythonReactSpringSpring BootSpringBootTypeScript

About the role

Key responsibilities & impact

Deliver features end-to-end — own complete vertical slices (PostgreSQL schema, Kotlin service, GraphQL contract, Next.js UI) and ship production features without waiting on handoffs
Own core API and service health — design and maintain GraphQL and REST APIs with clean domain boundaries, keeping latency low and reliability high under growing load
Master the data layer — design PostgreSQL schemas, optimize queries for scale, manage zero-downtime migrations with Liquibase, and build effective caching strategies
Ship with confidence — comprehensive test suites (unit, integration, contract, UI) at 80%+ coverage, with CI/CD quality gates that catch problems before production
Build resilient systems — structured logging, distributed tracing, custom metrics, circuit breakers, and graceful degradation patterns
Elevate the team — mentor mid-level and junior engineers through code reviews, architectural discussions, and pair programming
Automate with agents — build agentic primitives that make everyday full-stack work faster; AI-native development is how we work, not a side experiment

Requirements

What you’ll need

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
US citizenship required (DoD contracting — IL4/IL5 environments — and FedRAMP compliance)

Benefits

Comp & perks

Work that matters.
AI-native by default.
Real ownership.
High-autonomy culture.
Modern stack, no legacy drag.