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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Software Engineer - **Company:** VASA FITNESS - **Location:** United States (Remote available) - **Experience:** Expert - **Salary:** $145,000.0 - $161,000.0 - **Contract:** Permanent contract - **Skills:** Clean Code Principles, Application Programming Interfaces (APIs), Artificial Intelligence, Amazon Web Services, Code Review, Continuous Integration, Software Design Documents, Programming Tools, Amazon DynamoDB, Identity and Access Management, Python (Programming Language), Software Architecture, Amazon Simple Notification Service (SNS), Systems Integration, TypeScript, Web Applications, Large Language Models, Backend, Event Driven Architecture, Amazon Relational Database Service, Operational Systems, Api Gateway, Amazon Simple Queue Service (SQS), Terraform, Golang - **Published:** June 20, 2026 - **Apply:** https://www.builtincolorado.com/job/senior-software-engineer/9835658 ## About the Role * 8+ years building and operating production software at meaningful scale. * Strong work in at least one of TypeScript, Python, Go, or Rust, and willingness to pick up the others as needed. We are polyglot by design and choose the right tool per problem. * Solid AWS fluency -- Lambda, ECS/EKS, RDS, DynamoDB, SQS/SNS, API Gateway, IAM. You can design a service end-to-end on AWS without hand-holding. * Real experience with REST and event-driven architectures, including the messy parts: retries, idempotency, eventual consistency, schema evolution. * Comfort with CI/CD, infrastructure-as-code (Terraform or CDK), and modern testing practice. * Demonstrated, specific use of AI tools to ship engineering work. We want to hear what you have built -- agents, harnesses, evals, automations -- not what you have read about. * System design instincts: you can take an ambiguous business problem and turn it into a service, a schema, and a rollout plan. * Strong communication. You can write a design doc, run a code review without making people defensive, and tell a stakeholder why something will or will not work. * Bonus: experience with consumer-scale mobile/web apps, fitness or retail/membership domains, or building developer tooling around LLMs., * Talking: Especially where one must frequently convey detailed or important instructions or ideas accurately, loudly, or quickly. * Physical Strength: Sitting, standing, and walking. Must be able to lift, push, pull, and move a minimum of 30 pounds. * Reasoning Ability: Ability to deal with a variety of variables under limited standardization. Able to interpret various instructions and relay instructions to clients. * Attendance is an essential duty of the position. Employees must work regularly scheduled shifts, during business hours to assist members and sell services in-person. ## Description The Senior Software Engineer is responsible for designing, developing, testing, deploying, and supporting enterprise software applications and services that support member-facing digital experiences and internal business operations. This role partners with cross-functional technology and business teams to deliver scalable, reliable, and maintainable software solutions across web, mobile, and operational platforms., * Build and support APIs, integrations, and backend services supporting web, mobile, and operational systems. * Participate in software architecture, technical design, code reviews, and solution planning activities. * Collaborate with product, engineering, platform, and business teams to define technical requirements and deliver scalable solutions. * Develop and maintain integrations with third-party systems including billing, scheduling, CRM, and operational platforms. * Support application reliability, performance, monitoring, troubleshooting, and incident resolution activities. * Participate in CI/CD processes, automated testing, and software deployment practices. * Contribute to system documentation, technical standards, and development best practices. * Develop secure, maintainable, and scalable software solutions aligned with organizational standards. * Participate in operational support and on-call responsibilities as required. * Contribute to continuous improvement initiatives related to software delivery, automation, and engineering processes. * Utilize modern development tools and technologies, including AI-assisted development tools, where appropriate. ## Related Videos - [Build and Deploy a Fullstack App with Open Source Tooling](https://www.wearedevelopers.com/videos/775-build-and-deploy-a-fullstack-app-with-open-source-tooling) - [Go with the Flow: Stop the Leaks Before Your Memory's a Waterfall!](https://www.wearedevelopers.com/videos/100073-go-with-the-flow-stop-the-leaks-before-your-memory-s-a-waterfall) - [Developing the Backend with Stefan Lingler, CTO at Shpock](https://www.wearedevelopers.com/videos/100360-developing-the-backend-with-stefan-lingler-cto-at-shpock) - [Infrastructure as Code: The Developer's Secret Weapon](https://www.wearedevelopers.com/videos/1221-infrastructure-as-code-the-developer-s-secret-weapon) - [Navigating the Corporate Jungle: Life as a Developer in a large Company](https://www.wearedevelopers.com/videos/621-navigating-the-corporate-jungle-life-as-a-developer-in-a-large-company) - [Scoring 2000 Products per Request: Performance Pitfalls in Golang](https://www.wearedevelopers.com/videos/2073-scoring-2000-products-per-request-performance-pitfalls-in-golang) ## Related Articles - [Dev Digest 120 - Apple and peers](https://www.wearedevelopers.com/magazine/455-dev-digest-120-apple-and-peers) - [Highest Paying Tech Companies for Developers](https://www.wearedevelopers.com/magazine/220-highest-paying-tech-companies-for-developers) - [Dev Digest 121 - AI goes offline](https://www.wearedevelopers.com/magazine/456-dev-digest-121-ai-goes-offline) - [How We Built a Worry-Free System That Runs for 10+ Years – And What We’d Do Again](https://www.wearedevelopers.com/magazine/751-how-we-built-a-worry-free-system-that-runs-for-10-years-and-what-we-d-do-again) - [What is Software Engineering in the Age of AI?](https://www.wearedevelopers.com/magazine/640-what-is-software-engineering-in-the-age-of-ai) - [Is Software Engineering Over-Saturated?](https://www.wearedevelopers.com/magazine/418-is-software-engineering-over-saturated)