Job Summary
We’re hiring a Platform Software Engineer to partner with our Technical Architect and drive both architecture and hands-on development for Slingshot’s multi-partner integration platform. You’ll own key architectural domains and build production services, work with APIs, pipelines, and tooling that accelerate partner onboarding, improve developer experience, and keep us ATO-ready.
Responsibilities
- Co-own architecture for APIs, data pipelines, multi-tenant controls, time-sync, and analytics; and write reference designs.
- Design & build scalable REST/GraphQL and event-driven services supporting diverse integration patterns.
- Develop high-volume, real-time pipelines with robust validation, error handling, pass-through, and observability.
- Engineer for ATO from day one, aligning designs with NIST 800-53, DoD IL, and FedRAMP; contribute evidence for accreditation.
- Evolve our API Developer Hub (design, docs, testing, lifecycle tooling) and self-service partner onboarding workflows.
- Implement API lifecycle management (versioning, deprecation, migration) and platform analytics for internal/external users.
- Onboard third-party models and simulations (including AI/ML/LLM and space-ops training software) with clear methodology and tooling.
- Collaborate cross-functionally with Product, Security, DevOps, QA, and external partner teams; engage with government stakeholders.
- Mentor engineers on integration patterns, reliability, and operational excellence; balance speed with long-term platform health.
Minimum Requirements
- Experience: 5+ years in software development with emphasis on enterprise integration/API platforms; 2+ years owning substantial architectural scope.
- APIs & Events: REST, GraphQL, webhooks; Kafka/CloudEvents/queues; contract testing.
- Cloud (AWS): API Gateway, Lambda, EKS, and related PaaS/IaaS.
- IaC & DevOps: Terraform/CloudFormation/CDK; CI/CD (GitHub Actions); GitOps.
- Containers: Docker, Kubernetes, Helm, EKS.
- Languages/Stack: Java/Kotlin, Python, GraphQL, REST.
- Data: PostgreSQL, MongoDB
- Security: API keys, rate limiting, secrets management.
- AI/ML Integration: Proven delivery of AI/ML/LLM features into production APIs.
Preferred Skills
- Direct experience mapping/implementing controls for NIST 800-53, DoD ILs, FedRAMP, including higher-classification or air-gapped environments.
- Startup/product organization background with a strong delivery cadence.
- Frontend familiarity (React) for Developer Hub contributions.
- Close collaboration with DevOps/SRE; infrastructure tooling and observability experience.
- QA partnership (contract/E2E tests for integrations) and predictable delivery with Product.
- Space/Aerospace exposure.
- Experience integrating complex external systems and simulation tech (HLA/DIS).
Location: Remote (U.S.) or Colorado Springs, CO
Clearance: Active or previously held TS/SCI
Type: Full-time
Salary: $154,000 - $213,000
US-based Candidates: we are currently only able to hire residents of the following U.S. states: AZ, CA, CO, DC, FL, GA, HI, IL, IN, KS, MD, MA, MI, MN, MO, MT, NV, NJ, NM, NY, NC, OR, RI, TN, TX, UT, VT, VA, WA, WV, and WI. We are unable to consider candidates residing in other U.S. states at this time.
Internationally-based Candidates: we are currently only able to hire residents of the following locations: United Kingdom. We are unable to consider candidates residing in other countries at this time.
Equity, Diversity & Inclusion are key to our success. We are an Equal Opportunity Employer and our employees are people with different strengths, experiences, and backgrounds, who share a passion for creating a safer, more connected world. Diversity not only includes race and gender identity, but also national origin, citizenship, sex, color, veteran status, disability, genetic information, or any other protected characteristic that is part of one’s identity. All of our employees’ points of view are key to our success, and we embrace individuality.
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