Full Stack Software Engineer - API Platform Engineering
Eliassen GroupAbout the role
Description
Hybrid 4 days onsite, 1 remote in Greenwood Village, CO
Our client seeks a Full Stack Software Engineer to build and operate a modern API platform. The team treats APIs as products with clear contracts, observability, documentation, and ownership. The role emphasizes TypeScript, Python, AWS, and DevOps practices with automation, infrastructure as code, CI/CD, and strong testing. AI-assisted development is part of daily work. The engineer will move from ambiguity to production solutions, take ownership across the lifecycle, and improve developer experience and platform reliability.
We can facilitate w2 and corp-to-corp consultants. For our w2 consultants, we offer a great benefits package that includes Medical, Dental, and Vision benefits, 401k with company matching, and life insurance.
Rate: $65.00 to $75.00/hr. w2
JN -082026-108388
Responsibilities
Design, build, and operate APIs to OpenAPI standards with clear contracts and documentation.
Develop backend services using TypeScript/Node.js and Python frameworks such as FastAPI or Django.
Implement automation via infrastructure as code, CI/CD, testing, and deployment workflows.
Own services from design through production support with measurable SLIs and reliability goals.
Incorporate AI assistants for code generation, testing, documentation, and reviews.
Implement observability with structured logging, metrics, dashboards, and alerts.
Collaborate on system design, security, performance, and developer experience improvements.
Support environment-based deployments and versioned, secure APIs with resiliency patterns.
Experience Requirements
TypeScript/Node.js for backend services, strong type system knowledge, async patterns, and API development.
Python in production with FastAPI or Django and PostgreSQL optimization.
AWS services including Lambda, Step Functions, S3, SNS/SQS, Secrets Manager, CloudWatch, and RDS/Aurora.
Infrastructure as code with AWS CDK and/or Terraform.
GitLab CI/CD, automated testing, security scanning, and multi-stage deployment workflows; monorepo a plus.
API engineering with OpenAPI/Swagger, OAuth 2.0, versioning, rate limiting, resiliency, and idempotency.
Testing discipline with unit/integration coverage and automated quality gates.
Observability with tools such as Splunk or Datadog and production troubleshooting.
Regular use of AI coding assistants and effective integration into workflows.
Collaboration skills, thoughtful code reviews, and clean version control practices.
Preferred: functional programming concepts (immutability, composition, typed errors) and frameworks such as Effect.js, fp-ts, or ZIO.
Preferred: Kubernetes/EKS with Helm, blue/green and canary strategies.
Preferred: SRE practices including SLIs/SLOs, error budgets, incident response, and toil reduction.
Preferred: secure development, performance optimization, and distributed systems.
Education Requirements
Responsibilities
- Design, build, and operate APIs to OpenAPI standards with clear contracts and documentation.
- Develop backend services using TypeScript/Node.js and Python frameworks such as FastAPI or Django.
- Implement automation via infrastructure as code, CI/CD, testing, and deployment workflows.
- Own services from design through production support with measurable SLIs and reliability goals.
- Incorporate AI assistants for code generation, testing, documentation, and reviews.
- Implement observability with structured logging, metrics, dashboards, and alerts.
- Collaborate on system design, security, performance, and developer experience improvements.
- Support environment-based deployments and versioned, secure APIs with resiliency patterns.
Qualifications
- TypeScript/Node.js for backend services, strong type system knowledge, async patterns, and API development.
- Python in production with FastAPI or Django and PostgreSQL optimization.
- AWS services including Lambda, Step Functions, S3, SNS/SQS, Secrets Manager, CloudWatch, and RDS/Aurora.
- Infrastructure as code with AWS CDK and/or Terraform.
- GitLab CI/CD, automated testing, security scanning, and multi-stage deployment workflows; monorepo a plus.
- API engineering with OpenAPI/Swagger, OAuth 2.0, versioning, rate limiting, resiliency, and idempotency.
- Testing discipline with unit/integration coverage and automated quality gates.
- Observability with tools such as Splunk or Datadog and production troubleshooting.
Benefits
- Medical, Dental, and Vision benefits
- 401k with company matching
- Life insurance
Skills mentioned
About Eliassen Group
Eliassen Group is a strategic consulting firm that helps organizations achieve more through technology, business advisory, and life sciences solutions. For nearly 40 years, we have combined exceptional people, deep domain expertise, and intelligent capabilities — including AI — to expand our clients' capacity and accelerate meaningful outcomes. We are driven by a purpose to positively impact our employees, clients, consultants, and the communities we serve. Eliassen is committed to building a diverse and inclusive team. We are an Equal Opportunity and Affirmative Action Employer, and all employment decisions are based on merit, performance, and business needs. Eliassen does not discriminate based on race, color, gender identity or expression, sexual orientation, sex (including pregnancy and childbirth), disability, veteran status, age, national origin, citizenship status, or any other status protected by law. If you are contacted about an open position with Eliassen Group, please confirm you are working directly with us. All email communication will come from an @eliassen.com address (never Gmail, Yahoo, etc.), and Eliassen Group will never request personal information until you have worked directly with someone clearly affiliated with Eliassen Group. If you suspect fraudulent activity, contact fraud[at]eliassen.com Eliassen Group values transparency in our recruitment practices and uses artificial intelligence (AI) tools during application screening and hiring. You may receive email or SMS notifications from the Eliassen Virtual Recruiting Team (noreply@eliassen.com, 781 808 2924). All AI‑assisted evaluations are reviewed by human recruiters, and measures are taken to support fairness, consistency, and prevent bias or discrimination. By proceeding, you consent to the use of these tools. Skills, experience, and other compensable factors are considered when determining pay. Posted pay ranges reflect a W2 hourly rate; other employment options may be available.