Contract Senior Software Engineer - Full Stack / Cloud AWS

About Us: Airgain simplifies wireless connectivity across a diverse set of devices and markets, from solving complex connectivity issues to speeding time to market to enhancing wireless signals. Our products are offered in three distinct sub-brands: Airgain Embedded, Airgain Integrated and Airgain Antenna. Our mission is to connect the world through optimized integrated wireless solutions. Airgain's expertise in custom cellular and antenna system design pairs with our focus on high-growth technologies and our dedication to simplify the growing complexity of wireless. With a broad portfolio of products across the value chain, from embedded components to fully integrated products, we are equipped to solve critical connectivity needs in both the design process and the operating environment across the enterprise, automotive, and consumer markets. Airgain is headquartered in San Diego, California, and maintains design and test centers in the U.S., U.K., and China. About The Team: At Airgain, “We Simplify Wireless” is not only our tagline, but our creed and passion. A fast-moving technology company, Airgain sets the very pulse of the wireless connectivity industry, giving our unwavering focus on bringing innovative solutions to market, providing new pathways, insights and products that solve complex RF engineering problems. Our team is comprised of the industry’s most talented, driven, experienced and entrepreneurial innovators and leaders in wireless connectivity. And if that is something that resonates, well then … we would love an opportunity to speak with you. Summary: Airgain is seeking a seasoned Senior Software Engineer on a contract basis to help maintain, enhance, and operate an established production software platform (“Mega Portal”). You’ll work within an existing codebase, adding features, fixing bugs, improving reliability, and optimizing cloud infrastructure. You’ll collaborate closely with engineering and IT teams to operate and optimize our AWS environment while contributing across frontend, backend, and cloud services as needed. What You’ll Do Maintain and enhance an existing production codebase Implement new features and resolve bugs across frontend and backend services Optimize AWS service usage and cost Partner with IT to manage and operate our AWS infrastructure Improve build, deployment, and CI/CD pipelines Support API development and integration across multiple services Write clean, maintainable, and well-documented code Technical Environment Our platform spans multiple services and technologies: Languages: Go, JavaScript, TypeScript, C#, Shell scripting Frontend: React, HTML, CSS Backend: Go (primary), C# (.NET) Cloud & Infrastructure: AWS, Terraform, NGINX, Docker Build / CI: Makefiles, CI/CD pipelines SQL databases (PostgreSQL / SQL Server), time-series databases (e.g., TimescaleDB) What Makes This Role Unique Work on a mature, real-world system used in production Emphasis on quality, stability, and operational excellence Broad technical exposure without constant context switching Requirements/Qualifications: 7 years of professional software development experience Strong experience maintaining and evolving existing production systems Solid full-stack or backend-focused engineering background Strong proficiency with Go (Golang) or ability to ramp up quickly Experience building and consuming RESTful APIs Hands-on experience with AWS (including Lambda or similar serverless services) Experience working with SQL databases and relational data models Strong understanding of software architecture, modular design, and best practices Proficiency with Git and collaborative development workflows Strong communication and collaboration skills, with the ability to work effectively in a team environment. Attention to detail and a commitment to delivering high-quality results. Proficiency in Microsoft tools required Excellent written, verbal and presentation skills Excellent organizational and time-management skills, with the ability to prioritize multiple tasks while meeting strict deadlines Preferred Skills React experience (hooks, component architecture, TypeScript) C#/.NET Core (existing codebase; minimal greenfield work expected) Infrastructure as Code (Terraform) CI/CD systems (Jenkins or similar) Docker and shell scripting Frontend testing tools (Jest, React Testing Library) Experience optimizing cloud costs and operational reliability Familiarity with NGINX configuration Location : Hybrid (San Diego or Minnesota) Type : Contract Salary : $65/hour to $85/hour (depending on experience) Compensation details: 65-85 Hourly Wage PI9775efa64c1d-25448-40353244aa415a4b-8b21-40fc-a65c-70d2b25ca29a