Top Entry Level Software Engineer Jobs in San Francisco Bay Area, CA

Build and ship high-quality frontend software from technical design through launch. Develop efficient, scalable, testable client code; collaborate with engineering, design, and product teams to solve customer problems; contribute to code reviews and documentation; and resolve complex bugs while delivering intuitive product experiences.

Build reliable backend software features and services for Atlassian’s Focus Funds and AI team. Responsibilities include developing REST APIs, configuring backend service monitoring, creating CI/CD pipelines, and integrating platforms with Atlassian’s content management system.

Designs, builds, tests, deploys, and operates core identity services. Responsibilities include monitoring SLOs, participating in on-call and incident response, automating manual processes, conducting design and code reviews, mentoring peers, improving documentation, and applying security and privacy principles to authorization workflows.

Build and ship features for highly scalable, geographically distributed backend services. Responsibilities include collaborating with engineers, architects, product managers, and designers; participating in code reviews; applying testing, documentation, reliability, security, and performance best practices; mentoring teammates; monitoring services; and contributing to Agile ceremonies.

Develop and scale full-stack web applications for Toast’s digital storefront, including online ordering and website products. Design solutions, improve performance and usability, collaborate with Product and Design, run experiments, resolve critical issues, and contribute to API design, testing, and cross-team product integration.

Build end-to-end product features from design through delivery, lead projects and product areas, shape technical systems and engineering practices, make pragmatic scalability decisions, and mentor teammates. The role requires strong frontend or backend expertise with the ability to work across the stack, product intuition, cross-functional communication, and ownership in a growing, mission-driven team.

Build a high-performance frontend data platform for exploring and analyzing hardware telemetry. Develop React and TypeScript applications, interactive time-series visualizations, data visualization plugins, complex application state management, and LLM-assisted analysis workflows. Collaborate directly with hardware engineers and customers to define interfaces, prototype workflows, demonstrate features, and incorporate feedback into product development.

Entry-level software engineers will contribute to team projects, write tested and extensible code, navigate large codebases, debug and review code, collaborate with stakeholders, manage quality and delivery trade-offs, and actively pursue professional growth. The role is part of Affirm’s early-career program and involves hybrid work in New York City or San Francisco during the first year.

Develop and launch scalable full-stack search systems using JavaScript, TypeScript, Python, or Kotlin. Collaborate with engineers and stakeholders, balance delivery speed with system reliability, debug code, participate in code reviews, write tested and extensible software, and contribute to team growth and communication.

Develop production-grade positioning, navigation, and timing software for autonomous marine vehicles. Build tightly coupled state-estimation systems using IMU, DVL, GNSS, acoustic, pressure, vision, radar, and AIS data. Own sensor calibration, embedded Linux deployment, real-time perception, optimization libraries, logging, deterministic replay, and field validation. Collaborate with electrical, robotics, and mechanical engineers across subsea and surface vehicle platforms.

Founding backend engineer responsible for prototyping and productionizing AI-powered systems for mainframe and COBOL modernization. The role includes shipping agentic features end to end, establishing testing and reliability standards, translating ambiguous problems into working systems, and leading architecture and technical direction with the CTO. The engineer will collaborate with enterprise customers and subject matter experts across multiple industries.

Founding Software Engineer responsible for designing, building, and releasing full-stack software, including conversational AI features using voice and text. The role involves integrating external systems, owning features from concept through launch, contributing across client and server code, and partnering with company leadership on product priorities and technical direction.

Develop backend services, workflow automation, AI tooling, and shared ground-platform capabilities. Build and maintain microservices, CI/CD pipelines, infrastructure, message queues, and observability systems while ensuring reliability and performance. Participate in SatDevOps rotations, spacecraft anomaly investigation, and real-time incident response. Collaborate with software engineers and satellite operators to establish consistent, maintainable platform solutions.

Build and polish Notion’s native Android experience using Kotlin and Jetpack Compose. Develop core features such as page rendering, editing, navigation, Home, Search, and Inbox while improving startup time, scrolling, typing latency, reliability, offline functionality, and memory use. Partner with product and design, use AI coding tools, own a core product area, and contribute to testing, monitoring, and shared mobile frameworks.

Build and evolve Notion’s iOS platform, including shared frameworks, architecture, testing, build systems, observability, CI/CD, and release-quality tooling. Partner with mobile AI and core product engineers to improve developer workflows, evaluate iOS capabilities, and drive adoption of platform standards. Use AI tools and agents to enhance engineering productivity while supporting a reliable mobile application used by millions.

Develop scalable, resilient, user-facing features for a core product and single-page application. Drive product planning, implementation, testing, releases, and engineering best practices. Collaborate cross-functionally, contribute to engineering culture and processes, make design-versus-feasibility tradeoffs, and use user feedback to shape product improvements while addressing increasing scale and complexity.

Build and operate Python backend services and automated pipelines for securely transferring model weights, configurations, code, and container images to strategic partners. Responsibilities include implementing validation and business logic, integrating source control, storage, and build systems, improving reliability through testing and monitoring, debugging cross-service issues, and collaborating with research, security, infrastructure, and partner engineering teams.

Build and extend Databricks platform features across backend, full stack, infrastructure, databases, systems, cloud, and customer-facing products. Responsibilities include full software development lifecycle ownership, architecture improvements, testing, production operations, and developing reliable, scalable, and secure solutions. New graduates will participate in collaborative projects with mentorship and learning opportunities.

Build scalable full-stack and backend systems that unify fragmented construction software integrations. Develop APIs, front-end applications, caching layers, real-time communication, secure on-premise connections, and automated testing frameworks. Work directly with customers to research unique integration requirements, design ambiguous solutions, and rapidly ship reliable code supporting millions of daily API requests.

Build and operate the microVM infrastructure powering Baseten’s multi-tenant AI agent sandboxes. Own VM lifecycle operations, custom guest kernels, host CPU and memory tuning, resource density, startup and resume performance, storage and networking devices, and hypervisor-based security isolation. Debug issues across userspace, kernels, and hardware while contributing to open-source virtualization projects.

Build full-stack AI products for mechanical and electrical engineering workflows. Own projects from customer discovery and prototyping through production, developing frontend interfaces, backend services, APIs, plugins, and integrations with engineering software. Work directly with customers and cross-functional teams to translate engineering needs into reliable products, evaluate quality, and establish technical foundations for a new product area.

Own end-to-end simulation for Neuralink’s surgical robot, including dynamics, sensors, actuators, interfaces, automated testing, fault injection, deterministic CI runs, and hardware failure reproduction. Test real robot software and firmware against simulated hardware, debug integration failures, and iterate with users. The role requires strong Rust and Python skills, robotics or physics simulation experience, concurrent systems knowledge, hardware interfaces, RPC, telemetry, and integration testing expertise.

Develop and operate full-stack consumer-facing features across web and mobile for Twitch communities. Collaborate with product managers, designers, technical leads, and engineers to design, launch, and improve interactive experiences, backend services, and products. Build customer-focused solutions that drive audience growth, engagement, and revenue while maintaining existing systems.

Build full-stack software for robot teleoperation, data pipelines, backend services, and factory-facing tools. Own the complete product lifecycle, including user discovery, development, deployment, troubleshooting, and validation in real manufacturing environments. The role involves working directly with robots and factory users to create reliable production software. Experienced engineers and recent graduates are encouraged to apply.

Design and implement backend APIs, microservices, and checkout platform components for Affirm’s financial products. Own system health, improve performance and reliability, collaborate across engineering teams, and contribute to technical standards, tooling, and processes. The role requires developing, testing, and shipping high-quality software at scale while making customer-centric technical decisions.