Top Software Engineer Internship in San Francisco, CA

Develop and integrate complex software applications as part of a Honeywell engineering team. Interns will contribute software features to products, apply software development lifecycle and configuration management practices, analyze problems, develop efficient solutions, and collaborate with global teams while receiving mentorship and hands-on experience.

Software engineering intern supporting the design, development, integration, and enhancement of complex software applications. The role involves contributing to team goals, creating innovative solutions, developing high-quality features, applying software development lifecycle and configuration management practices, and collaborating with engineers. Interns receive mentorship, hands-on experience, relocation benefits, and short-term housing when eligible.

Build and ship production software across the frontend and backend, working closely with founders, customers, and product teams. Develop AI-powered features and systems involving web scraping, unstructured data, PDF parsing, and cloud infrastructure. Translate real-world real estate and financing problems into technical solutions, make high-impact decisions, and own shipped code. The internship may convert to a full-time role.

Build reliable backend and infrastructure services for satellite command, telemetry monitoring, anomaly detection, and real-time fleet awareness. The intern will own features, collaborate on software architecture and requirements, and support commercial and U.S. government programs. Required qualifications include current enrollment in a computer science or equivalent degree program, Python proficiency, database experience, and familiarity with pub/sub and streaming systems. Kubernetes and fleet management experience are bonuses.

Build and extend telemetry data systems for satellite operations, including anomaly detection, monitoring rules, data pipelines, client libraries, query interfaces, and APIs. Collaborate with mission operations and engineering teams to define monitoring requirements and data needs. The role supports commercial and U.S. government satellite programs.

Software Engineering Interns contribute to production TypeScript backend features, applied AI and computer vision pipelines, and end-to-end deployments to active mining sites. Responsibilities include using LLMs, AWS Rekognition, TensorFlow, Kubernetes, and CI/CD; translating user challenges into product features; and collaborating closely with senior engineers and leadership. The role is fully remote and emphasizes ownership, autonomy, and shipping real-world software.

Conduct exploratory research, evaluate theories statistically, present findings to focus groups, and design and implement software. The intern will work on autonomous driving technology while collaborating with technical teams. Required qualifications include current PhD enrollment in computer science or a related technical field, Python programming fluency, statistical knowledge, and basic machine learning knowledge.

Build and ship production backend systems supporting talent platforms and applied AI data workflows. Interns own projects end-to-end, collaborate with product, design, researchers, and AI companies, and develop scalable systems that impact customers. Responsibilities include writing production-grade code, designing systems, working with APIs and databases, and contributing to AI-focused products in a fast-paced, in-person environment.

Software engineering interns join collaborative Figma teams to build and ship user-facing features, infrastructure, developer tools, security systems, tests, or other projects. Interns collaborate with engineers, product managers, designers, and QA; participate in planning, documentation, code reviews, and feedback; and complete a meaningful project during the internship.

Summer internship building and debugging full‑stack features (web services, databases, applications) with an AI-first mindset. Write clean, tested code, design product capabilities, prototype AI features, and collaborate cross-functionally in Notion’s NY or SF offices during the internship period.

Backend software engineering internship focused on owning projects, writing reliable and tested code, participating in code reviews, refactoring, and supporting continuous integration and deployment. Interns collaborate with experienced engineers and contribute to user-facing Lyft products. The role requires strong computer science fundamentals, database experience, familiarity with real-time technology and mobile development, and availability for a Summer 2027 hybrid internship in San Francisco.

Software Engineer Interns spend 12 weeks contributing to collaborative engineering teams at SingleStore. They develop features, test software, own projects end-to-end, and continuously deploy work to production. Interns gain exposure to the product lifecycle and business while working with experienced engineering mentors and cross-functional teams. The role requires strong computer science fundamentals, programming ability in JavaScript, Golang, or TypeScript, and an interest in building reliable software.

The Software Engineer Intern will develop and validate brain-computer interface software, collaborate with users, and implement new features.

Learn new technologies, design and build scalable infrastructure for complex mortgage-servicing regulations, understand the regulated finance industry, and collaborate with Product and Design to improve customer experiences. The intern will contribute to robust software applications and work cross-functionally within a highly technical engineering team.

Software Engineer Interns will help develop, test, and operate integrated cloud services supporting AI-powered hardware products. Responsibilities include collaborating with hardware, AI, platform engineering, and infrastructure teams; contributing to AI assistant and conference room device projects; solving software problems independently and collaboratively; and communicating across teams to deliver reliable solutions.

Interns will design, build, test, and deploy AI-powered agents and developer productivity tools using pre-trained machine learning models and LLMs. Responsibilities include automating software development, testing, debugging, and quality assurance workflows; prototyping agentic systems; collaborating cross-functionally; participating in design reviews and code reviews; analyzing technical challenges; and presenting technical work.

Software Engineer Interns will design, develop, and maintain scalable AI applications; build internal tools for analyzing large-scale data; collaborate with Product and Engineering teams; and lead application development end to end. Interns will join Platform or Forward Deployed Engineering teams and contribute production code while applying object-oriented programming, data structures, algorithms, profiling, and optimization skills.

Software engineering interns contribute to real Salesforce product, platform, and AI-powered projects under experienced mentorship. Responsibilities include applying computer science fundamentals, object-oriented programming, algorithms, and data structures to practical solutions; experimenting with AI-assisted development tools; collaborating with engineering teams; and learning through technical training, workshops, and professional development opportunities.

Engineering intern will help build massive-scale search and ML infrastructure: web crawlers, embedding model training, and high-performance vector databases. Projects are matched to skills and interests; role is full-time, in-person in San Francisco.

Work as an in-office software engineering intern diagnosing and fixing frontend and backend customer issues, building debugging tools and dashboards, supporting production monitoring and incident response, and developing responsive React/Next.js components while collaborating with engineers and customers.

As a Software Engineer Intern, you will assist in developing features for a climate adaptation software, collaborating with teams and learning modern engineering practices.

The Software Engineer Intern will develop safety-critical software for robotic systems, collaborating with various engineering teams to ensure functionality and reliability.

Develop and own features for Zipline’s consumer mobile and web applications, using React Native, Python, and Go. Interns will collaborate cross-functionally on customer-focused features, contribute to technical roadmaps and engineering practices, and work across design, deployment, and iteration. This is a full-time, in-person internship in South San Francisco from January through April 2027.

Summer 2027 software engineering intern who will design, develop, integrate, and enhance complex software applications and product features. The intern will collaborate with engineering teams, apply software development lifecycle and configuration management practices, analyze problems, develop efficient solutions, and contribute to customer-focused innovation. The role includes mentorship, professional development, relocation benefits, and short-term housing eligibility.

Develop and integrate complex software applications as part of a Honeywell engineering team. Interns will contribute software features to customer products, create innovative solutions, apply software development lifecycle and configuration-management practices, and collaborate with engineers in a global organization. The internship includes hands-on technical experience, mentorship, professional development, and potential relocation benefits and short-term housing.