Senior Full Stack Software Engineer (Kubernetes / Python / React / Go)

Senior Full Stack Software Engineer

Rackner is seeking a Senior Software Engineer to help design, prototype, and build modern platform capabilities within a focused engineering initiative.

In this role, you will work directly with experienced technical leaders to translate ideas into working software; developing full-stack applications, backend services, and distributed systems using modern cloud-native technologies.

The environment emphasizes ownership, experimentation, and practical engineering outcomes. Engineers are trusted to move quickly from concept to implementation while contributing to architecture and system design decisions.

This role is well suited for engineers who enjoy solving difficult technical problems, building scalable systems, and working in environments where engineers are expected to take initiative and deliver meaningful technical outcomes.

Design and develop modern full-stack applications and distributed systems

Build backend services using Python (including frameworks such as FastAPI) and Go

Develop frontend interfaces using React and modern JavaScript frameworks

Deploy and operate applications in containerized and Kubernetes-based environments

Rapidly prototype and validate new platform capabilities

Contribute to architecture and system design discussions

Build scalable APIs and services supporting evolving platform needs

Use modern engineering tooling, including AI-assisted development tools, to accelerate development

Collaborate with engineers and technical leadership to move concepts into production-quality systems

Strong candidates typically bring experience across several of the following areas:

Professional experience building full-stack software systems

Backend development using Python, including frameworks such as FastAPI

Backend systems development using Go

Frontend development using React and modern JavaScript

Experience deploying applications using Docker and Kubernetes

Familiarity with microservices, APIs, and distributed systems

Ability to work independently, solve complex problems, and deliver working software quickly

Comfort operating in environments where engineers take ownership of technical outcomes

Experience using modern development tooling and engineering workflows

This role includes periodic travel for engineering collaboration sessions, including several extended working sessions during the year. Travel schedules are planned in advance and designed to support focused development and team collaboration.

Candidates must be eligible to obtain a U.S. government security clearance. U.S. citizenship is required for clearance eligibility.

Rackner is a software consultancy focused on building mission-critical systems for the U.S. government. Our engineers work across AI/ML, DevSecOps, cloud platforms, and distributed systems, supporting federal agencies and national security initiatives.

Engineering teams collaborate closely with technical leadership and program stakeholders to design and build scalable platforms addressing complex operational challenges. Engineers are encouraged to take ownership of their work, contribute ideas, and help shape the systems they build.

Competitive compensation + performance opportunity

Medical, dental, vision coverage

401(k) with company contribution/match

Paid time off + federal holidays (as applicable)

Remote/hybrid flexibility (as role allows)

Training/certification support (BI, analytics, healthcare data standards)

Rackner is an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, veteran status, or other protected characteristics.