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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Senior Backend Software Engineer - **Company:** Span, Incorporated - **Location:** San Francisco, CA, United States - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** Application Programming Interfaces (APIs), Amazon Web Services, Unit Testing, Cloud Computing, Data Security, Software Debugging, Memory Management, Firmware, Mobile Application Software, Java Virtual Machine (JVM), Python (Programming Language), Message Queuing Telemetry Transport (MQTT), Performance Tuning, Type Systems, TypeScript, Datadog, Cloud Platform System, Technical Debt, Backend, Kotlin, Kubernetes, Apache Kafka, Code Inspection, Graphql, Front End Software Development, Restful APIs, Stream Processing, Software Version Control, Web Api - **Published:** August 9, 2026 - **Apply:** https://us.experteer.com/career/view-jobs/senior-backend-software-engineer-san-francisco-ca-usa-58861927 ## About the Role 4+ data specifications for internal and external users including large enterprise clients * Mentor teammates and share best practices to elevate the engineering organization * Maintain and evolve services with scaling plans, version upgrades, and technical debt management * Act as Cloud team SME on Kubernetes, networking, and observability standards Tasks * 4+ years as a backend engineer with ownership of projects and features * Experience with cross-domain collaboration * Experience with AWS (cloud-native platforms) * Experience with version control, type systems, linting, and unit testing * 4+ years in a common backend language with Kotlin, TypeScript, and Python * Strong JVM expertise with performance tuning and memory management * Deep Apache Kafka experience (topics, consumer groups, stream processing) * Hands-on Kubernetes experience including debugging and deployment architecture * Experience operating observability platforms at scale (Datadog) Key requirements * Competitive aa delivering + equity * Comprehensive medical/dental/vision benefits * Parental leave up to 24 weeks * Flexible hours * Office near BART and Caltrain * Strong team culture and events ## Description Experteer Overview In this Senior Backend role you will shape SPAN Cloud, connecting hardware, mobile apps, dashboards and external APIs. You'll design scalable, secure data-driven services that serve homeowners, installers, fleet operators, and utility partners. You'll bridge Cloud and Platform teams, guiding Kubernetes strategy, networking, and observability while delivering end-to-end features. You'll work across firmware, frontend, and backend to build cohesive, scalable energy-management solutions. Compensation / Benefits * Design and develop features and subsystems for the SPAN Cloud to support diverse end users * Bridge Cloud and Platform teams on deployment, reliability, and infrastructure design * Collaborate with product and design to translate customer needs into features * Coordinate with firmware, frontend, and backend teams to build cohesive products * Work with Kotlin and TypeScript in cloud environments using gRPC, REST, GraphQL and MQTT for IoT devices * Design APIs and data specifications for internal and external users including large enterprise clients * Mentor teammates and share best practices to elevate the engineering organization * Maintain and evolve services with scaling plans, version upgrades, and technical debt management * Act as Cloud team SME on Kubernetes, networking, and observability standards Tasks * 4+ years as a backend engineer with ownership of projects and features * Experience with cross-domain collaboration * Experience with AWS (cloud-native platforms) * Experience with version control, type systems, linting, and unit testing * 4+ years in a common backend language with Kotlin, TypeScript, and Python * Strong JVM expertise with performance tuning and memory management * Deep Apache Kafka experience (topics, consumer groups, stream processing) * Hands-on Kubernetes experience including debugging and deployment architecture * Experience operating observability platforms at scale (Datadog) Key requirements * Competitive compensation + equity * Comprehensive medical/dental/vision benefits * Parental leave up to 24 weeks * Flexible hours * Office near BART and Caltrain * Strong team culture and events ## Related Videos - [Kotlin Multiplatform - True power of native code reuse](https://www.wearedevelopers.com/videos/4-kotlin-multiplatform-true-power-of-native-code-reuse) - [Web APIs you might not know about](https://www.wearedevelopers.com/videos/281-web-apis-you-might-not-know-about) - [Putting the Graph In GraphQL With The Neo4j GraphQL Library](https://www.wearedevelopers.com/videos/257-putting-the-graph-in-graphql-with-the-neo4j-graphql-library) - [Inside Bitpanda's Tech Stack: Scaling a European Fintech Leader - Markus Dorner](https://www.wearedevelopers.com/videos/1979-inside-bitpanda-s-tech-stack-scaling-a-european-fintech-leader-markus-dorner) - [Back(end) to the Future: Embracing the continuous Evolution of Infrastructure and Code](https://www.wearedevelopers.com/videos/440-back-end-to-the-future-embracing-the-continuous-evolution-of-infrastructure-and-code) - [Why Kotlin is the better Java and how you can start using it](https://www.wearedevelopers.com/videos/661-why-kotlin-is-the-better-java-and-how-you-can-start-using-it) ## Related Articles - [Highest Paying Tech Companies for Developers](https://www.wearedevelopers.com/magazine/220-highest-paying-tech-companies-for-developers) - [The 7 Most Popular Backend Frameworks for Developers](https://www.wearedevelopers.com/magazine/403-the-7-most-popular-backend-frameworks-for-developers) - [What’s the Difference Between Frontend and Backend Development?](https://www.wearedevelopers.com/magazine/240-what-s-the-difference-between-frontend-and-backend-development) - [Dev Digest 120 - Apple and peers](https://www.wearedevelopers.com/magazine/455-dev-digest-120-apple-and-peers) - [20 Essential Tools For Backend Development](https://www.wearedevelopers.com/magazine/218-20-essential-tools-for-backend-development) - [Software Engineer Salary London](https://www.wearedevelopers.com/magazine/252-software-engineer-salary-london)