Software Engineer Jobs in Oakland, CA

Build and maintain core financial backend systems (trading, ledger, billing), transaction processing, reconciliation, and portfolio state management. Design and scale real-time and batch data pipelines, architect APIs and backend services, ensure reliability and observability, and contribute to distributed system design (event-driven, microservices, streaming). Partner with ML teams as needed.

Join a talent network connecting founding backend engineers with VC-backed startups. Responsibilities include designing and maintaining scalable backend systems, building high-performance APIs and microservices, optimizing databases and data pipelines, defining technical strategy with founders, and establishing best practices for security, DevOps, and cost-efficient cloud infrastructure.

Join a talent network connecting Staff Full Stack Engineers to VC-backed startups. Build and scale full-stack web applications, design APIs and microservices, optimize for performance, scalability and security, collaborate with product and design, and establish best practices for code quality, testing, and CI/CD across cloud-based architectures.

Join a talent network connecting founding front-end engineers with VC-backed startups. Responsibilities include designing and building scalable, high-performance web UIs, optimizing performance and accessibility, creating reusable component libraries, integrating APIs and client-side logic, and defining front-end best practices and testing strategies while collaborating with designers, backend engineers, and founders.

Join a talent network connecting staff front-end engineers with VC-backed startups. Responsibilities include designing and building scalable, high-performance front-end applications, defining front-end architecture and component libraries, improving performance and accessibility, integrating with APIs, establishing testing and CI/CD best practices, and mentoring junior engineers.

Join a talent network connecting founding full stack engineers with VC-backed startups. Responsibilities include designing and building front-end and back-end systems, developing APIs and cloud architectures, collaborating with founders on technical strategy, contributing to technical roadmaps, writing clean code, and establishing engineering best practices.

Join SignalFire's talent network to be considered for Staff Backend Engineer roles at early-stage startups. Responsibilities include designing, building, and maintaining high-performance backend services, APIs, and microservices; optimizing databases, caching, and event-driven systems; ensuring security, fault-tolerance, and cost efficiency; and establishing best practices for DevOps, CI/CD, and monitoring.

Develop and maintain core tools for microprocessor design, including simulation and build tools. Requires systems-level programming and tool validation experience.

Develop and maintain enterprise software applications, focusing on back-end development, API development, and ensuring application security while contributing to software improvement processes.

Design and implement low-level embedded software for x86/ARM platforms in C/C++; collaborate with hardware and software teams to spec, test, and debug vehicle subsystems and sensors (camera, radar, lidar, IMU); work on network devices and time synchronization; perform hands-on hardware bring-up and on-vehicle debugging of buses like I2C, CAN, SPI, UART; ensure reliability and safety for autonomous trucking systems.

Lead the technical design and delivery of banking features at Cash App, collaborating across teams, driving architecture improvements, and mentoring engineers.

Responsible for building decision-making frameworks for multi-aircraft wildfire suppression, developing algorithms, and ensuring real-time software performance. Collaborates with engineers and firefighters for system validation.

The Senior Software Engineer will develop mission simulation infrastructure, integrating various systems and ensuring safety-critical features for autonomous firefighting operations.

The Software Engineer, Perception develops autonomous aircraft systems to detect and manage wildfires using real-time data processing and machine learning techniques.

Lead development of core client systems and engine-level infrastructure in Unity/C#. Diagnose and fix cross-cutting performance issues, upgrade third-party SDKs, evolve build tooling, produce design docs, scope multi-week infrastructure initiatives, mentor engineers, and drive profiling, optimization, and architecture changes to enable future features.

Design and build features for the SFS banking platform, onboard Block products, build secure fault-tolerant systems handling sensitive financial data, ensure service reliability, remediate incidents, and create durable operational fixes.

The Staff Software Engineer will develop and execute technical strategies for Cash App Banking, lead architectural decisions, and mentor engineers, focusing on innovative financial solutions.

The role requires designing and developing web applications and backend systems, integrating LLMs, and ensuring quality software delivery.

The Software Engineer will develop backend systems for an AI Energy Agent, including data integration, microservices, and scalable architecture, focusing on performance and reliability.

The Founding Software Engineer will build and enhance crisis-intervention software, focusing on mobile and web applications for government welfare, ensuring compliance and integrating data securely. Responsibilities include feature development, security enhancements, and managing interns.

The Full-Stack Engineer will develop and maintain web applications, translating UI/UX designs into responsive apps, optimizing applications, and writing clean code.

Design and build scalable AI platform capabilities to enable multi-step GenAI workflows, model execution, and integrations. Implement backend services, execution infrastructure, APIs, and observability to support production GenAI experiences across sales and product teams. Collaborate with AI engineers, data scientists, and product partners to turn AI use cases into reliable, extensible platform features.

Build, test, and maintain software across full-stack, backend, infrastructure, data pipelines, and ML infrastructure to support autonomous trucking. Develop web interfaces, backend services, APIs, and tooling; improve reliability, observability, CI/CD, and deployment; participate in code reviews, debugging, and cross-team collaboration while learning new technologies.

Design and implement real-time MAC data-plane software for high-throughput satellite links. Build packet-processing pipelines, queue and buffer management, retransmission and loss recovery, and integrate with PHY, modem, FPGA, DMA, and SoC hardware. Optimize for low latency and high throughput using zero-copy, scatter-gather, lock-free structures, and hardware offload. Lead architecture through prototyping, hardware integration, performance qualification, and operational deployment while diagnosing timing and synchronization issues.

Design, develop, test, debug, and deploy system and embedded software. Provide application administration and end-user support, perform root-cause analysis for network/OS issues, integrate third-party components, review code, maintain monitoring systems, support cross-functional teams, and provide limited after-hours/on-call support.