Full Stack Software Engineer - API Platform Engineering
Greenwood Village, CO
Category: Development
Industry: Communications
Reference ID: JN -082026-108388
Date Posted: 08/24/2026
Shortcut: http://careers.eliassen.com/MYQCHz
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.
Skills, experience, and other compensable factors will be considered when determining pay rate. The pay range provided in this posting reflects a W2 hourly rate; other employment options may be available that may result in pay outside of the provided range.
W2 employees of Eliassen Group who are regularly scheduled to work 30 or more hours per week are eligible for the following benefits: medical (choice of 3 plans), dental, vision, pre-tax accounts, other voluntary benefits including life and disability insurance, 401(k) with match, and sick time if required by law in the worked-in state/locality.
If anyone reaches out to you about an open position connected with Eliassen Group, please ensure that you are working directly with us by confirming the following:
· When you work with Eliassen Group, all email communication will come from an Eliassen.com address, never Gmail, Yahoo, etc.
· Eliassen Group will never ask you for personal information (home address, bank account, or check routing number) until you have worked with someone clearly associated with Eliassen Group.
If you have any indication of fraudulent activity, please contact fraud@eliassen.com.
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Eliassen Group is an Equal Opportunity/Affirmative Action Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, pregnancy, sexual orientation, gender identity, national origin, age, protected veteran status, or disability status. Eliassen Group’s Affirmative Action Plan (AAP) is available for inspection by any employee or applicant for employment upon request, during normal business hours of Monday through Friday, 8:30am to 5:30pm EST. Interested persons should contact Phaedra Wells at pwells@eliassen.com for assistance. It is unlawful in Massachusetts and Maryland to require or administer a lie detector test as a condition of employment or continued employment. An employer who violates this law shall be subject to criminal penalties and civil liability.
Applicants with disabilities that believe they require an accommodation or assistance with a position, please email our HR team at hradmin@eliassen.com. This email inbox is designed exclusively to assist job seekers whose disability prevents them from being able to apply online. Emails sent for other purposes will not receive a response.
Please be advised that a number of fraudulent job postings have been released under the Eliassen Group brand.
Unfortunately, fraudulent job postings can happen. If anyone reaches out to you about an open position connected with Eliassen Group, never provide personal or financial information to anyone who is not clearly associated with Eliassen Group
If anyone seemingly from Eliassen Group has ever requested this personal information in the past or does so in the future, please contact fraud@eliassen.com.
Please ensure that you are working directly with us by confirming the following:
- When you work with Eliassen Group, all email communication will come from an Eliassen.com address, never Gmail, Yahoo, etc.
- Eliassen Group will never ask you for personal information (home address, bank account, or check routing number) until you have worked with someone clearly associated with Eliassen Group, as indicated above