> Markdown version of [/jobs/ext/599849-senior-backend-engineer](https://www.wearedevelopers.com/jobs/ext/599849-senior-backend-engineer). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Senior Backend Engineer - **Company:** Oxefit Inc - **Location:** Plano, TX, United States - **Experience:** Expert - **Salary:** $120,000.0 - $140,000.0 - **Contract:** Permanent contract - **Skills:** ASP.NET, .NET Framework, Application Programming Interfaces (APIs), Agile Methodology, Artificial Intelligence, Computing Platforms, Automation of Tests, Microsoft Azure, C Sharp (Programming Language), Software as a Service, Cloud Computing, Databases, Computer Engineering, Continuous Integration, Distributed Systems, Github, Monitoring of Systems, Interaction Design, Mobile Application Software, Python (Programming Language), Enterprise Messaging Systems, Cloud Services, Service-Oriented Architecture, Software Construction, Software Engineering, Systems Integration, Web Services, Cloud Platform System, Performance Testing, Large Language Models, Generative AI, Backend, Event Driven Architecture, AI Platforms, Information Technology, Deployment Automation, Api Design, Restful APIs, Terraform, Software Version Control, Serverless Computing, Docker, Web Api, Microservices - **Published:** June 18, 2026 - **Apply:** https://www.indeed.com/viewjob?jk=78edf9f6414d8ad1 ## About the Role Do you have experience in Web services design?, Do you have a Bachelor's degree?, * Bachelor's degree in Computer Science, Software Engineering, Computer Engineering, or related field, or equivalent professional experience * 5+ years of professional software engineering experience, including significant backend development experience * Strong proficiency in C#, .NET, ASP.NET Core, Python, and API development * Experience designing and supporting APIs and web services in production environments * Experience integrating third-party APIs, SaaS platforms, and cloud services * Experience working with cloud environments, preferably Microsoft Azure * Understanding of distributed systems, microservices architecture, and event-driven design patters * Experience with source control, automated testing, and CI/CD pipelines What makes you stand out: * Experience building AI-enabled application or integrating LLMs, AI agents, or generative AI platforms * Experience developing API's that support mobile applications, connected devices, or IoT ecosystems * Experience with Azure OpenAI, OpenAI API's, Anthropic, Google Gemini, or similar AI platforms * Experience with fitness technology, wearable technology, health platforms, or connected hardware products * Experience working in startup or high-growth technology environments What you can expect: * Equity ownership participation * Comprehensive benefit package and employer sponsored memberships * A fun, challenging, and engaging start-up environment * Agile, self-managed, self-organized teams * A culture driven by innovation and team-focused engagement * An entity that is committed to personal growth and opportunity * Ability to work with cutting-edge and emerging technologies Work authorization: Must be authorized to work in the United States. OxeFit will not sponsor applicants for employment visas. ## Description Role: As a Senior Backend Engineer, with an emphasis on API & AI Integrations, you will play a critical role in developing, scaling, and maintaining the backend systems that power OxeFit's innovative fitness technology ecosystem, including OxeAI. This position is responsible for designing secure, scalable APIs, integrating AI-driven services, and building cloud-native solutions that enable seamless interactions between software platforms, fitness equipment, mobile applications, and enterprise partners. You will work closely with cross-functional teams including AI, Product, Mobile, Embedded Systems, and Customer Experience to deliver high-quality backend services that support the future of intelligent fitness. Essential Functions: * Design, develop document, and maintain secure, scalable APIs and backend services supporting OxeAI and OxeFit products * Build and manage integrations between AI platforms, internal applications, third-party systems, and connected fitness technologies * Develop backend applications using C#, .NET, ASP.NET Core, Python, and modern software engineering best practices * Design and optimize data models, databases, and service architectures to support high-volume, real-time user interactions * Collaborate with AI and machine learning teams to integrate intelligent features into customer-facing products * Develop and maintain cloud-native services within Azure environments * Build and support event-driven architectures utilizing messaging platforms * Create and maintain automated unit, integration, and performance testing strategies * Support CI/CD pipelines and deployment automation using tools such as Docker, Terraform, GitHub Actions, Azure DevOps, or similar technologies * Monitor system performance, troubleshoot production issues, and proactively identify opportunities for optimization ## Related Videos - [Recruitment Reinvented: Bold strategies and the $10K signing incentive](https://www.wearedevelopers.com/videos/1068-recruitment-reinvented-bold-strategies-and-the-10k-signing-incentive) - [Building Multi-Tenant ASP.NET Core Applications: Best Practices and Real-World Solutions](https://www.wearedevelopers.com/videos/1552-building-multi-tenant-asp-net-core-applications-best-practices-and-real-world-solutions) - [Innovating Developer Tools with AI: Insights from GitHub Next](https://www.wearedevelopers.com/videos/1268-innovating-developer-tools-with-ai-insights-from-github-next) - [Docker Compose: Rediscovered](https://www.wearedevelopers.com/videos/1978-docker-compose-rediscovered) - [Shipping Faster with Less: Render on Cloud Hosting, AI Workloads, and the Future of DevOps](https://www.wearedevelopers.com/videos/1894-shipping-faster-with-less-render-on-cloud-hosting-ai-workloads-and-the-future-of-devops) - [Developing ASP.NET Core Microservices with Dapr: A practical guide](https://www.wearedevelopers.com/videos/1528-developing-asp-net-core-microservices-with-dapr-a-practical-guide) ## Related Articles - [Fully Remote Software Engineer Jobs](https://www.wearedevelopers.com/magazine/447-fully-remote-software-engineer-jobs) - [Find a Developer Job: 12 Best Job Sites For Developers](https://www.wearedevelopers.com/magazine/165-find-a-developer-job-12-best-job-sites-for-developers) - [Is Software Engineering Over-Saturated?](https://www.wearedevelopers.com/magazine/418-is-software-engineering-over-saturated) - [Highest Paying Tech Companies for Developers](https://www.wearedevelopers.com/magazine/220-highest-paying-tech-companies-for-developers) - [How Much FAANG Companies Actually Pay Software Engineers in 2025](https://www.wearedevelopers.com/magazine/230-how-much-faang-companies-actually-pay-software-engineers-in-2025) - [Where To Find Software Engineering Jobs](https://www.wearedevelopers.com/magazine/396-where-to-find-software-engineering-jobs)