Frontend Software Engineering Intern jobs in San Jose – Browse 650 openings on RoboApply Jobs

Frontend Software Engineering Intern jobs in San Jose

Open roles matching “Frontend Software Engineering Intern” with location signals for San Jose. 650 active listings on RoboApply Jobs.

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Internship|Remote|San Jose Office (HQ)

About Tessera Labs: We are pioneering the way businesses integrate and implement Artificial Intelligence solutions. Supported by Foundation Capital and a team of renowned experts, we specialize in creating multi-agent AI systems designed to automate intricate business processes across various platforms including SAP, Salesforce, Workday, Snowflake, and MuleSoft among others. Our mission is to provide genuine AI automation for enterprises, ensuring speed, accuracy, and measurable impact. We thrive in a fast-paced environment, taking ownership of our projects and pushing the boundaries of applied AI.Location: San Jose, CA or RemoteDuration: 10–12 weeksHours: Maximum of 40 hours per weekStart Date: June 2026Job Summary: We are seeking a motivated Frontend Software Engineering Intern who is eager to learn and contribute within a dynamic startup environment. In this hands-on position, you will collaborate closely with our engineering team to enhance the user experience from concept through deployment. You will design UI components, develop interactive dashboards, and create data visualizations that directly influence user engagement. If you thrive on overcoming UI challenges, delivering polished interfaces, and learning in a supportive team environment, this internship presents an exceptional opportunity to gain practical experience.Key Responsibilities:Assist in the development of UI components, dashboards, and data visualizations.Help maintain and enhance reusable component libraries.Support the implementation of client-side state management and user interactions.Contribute to the creation of intuitive user interfaces for internal tools, AI models, and data workflows.Collaborate with the engineering team to improve usability and performance.Learn to identify and resolve performance bottlenecks in frontend systems.Take initiative on smaller projects and features under the guidance of senior engineers.Learning Opportunities:Gain hands-on experience with React, TypeScript, and modern frontend frameworks.Understand scalable UI design patterns and component libraries.Work on real-world challenges in data visualization, dashboards, and interactive interfaces.

Apr 8, 2026
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company
Full-time|On-site|San Jose Office (HQ)

About Tessera Labs: At Tessera Labs, we are pioneering the integration of Artificial Intelligence into enterprise operations. Supported by Foundation Capital and led by an exceptional founding team, we create advanced multi-agent AI systems designed to automate intricate business workflows across various platforms including SAP, Salesforce, Workday, Snowflake, and MuleSoft. Our mission is to deliver genuine AI automation to enterprises with unmatched speed, precision, and measurable outcomes. We thrive on rapid execution, embrace accountability, and innovate at the cutting edge of applied AI.Job Overview:We are on the hunt for a dynamic Frontend Engineer who flourishes in a fast-moving, high-responsibility startup atmosphere. This hands-on position is ideal for a proactive individual who is ready to take charge of the user experience from ideation through to deployment. You will be expected to iterate swiftly based on user feedback while optimizing for performance, usability, and speed. Your role will involve designing and developing intricate UI components, interactive dashboards, and data visualizations that have a direct influence on our end users.If you are passionate about tackling challenging UI problems, delivering polished interfaces at a rapid pace, and collaborating in a supportive, low-ego environment, we invite you to apply for this exciting opportunity.

Apr 8, 2026
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companyArcher logo
Full-time|$144K/yr - $198K/yr|On-site|San Jose, California, United States

Archer designs and builds all-electric vertical takeoff and landing aircraft that seat four passengers. The company focuses on sustainable air mobility, aiming for quieter and cleaner transportation options. Diversity and inclusion are core values at Archer. The team is committed to fostering an equitable workplace where every perspective is respected and supported. Role overview The Frontend Engineer will create and enhance internal web applications using Vue 3. These tools are essential for both engineering and operations teams, helping streamline workflows and solve real-world challenges at Archer. Collaboration with the Data Team is a key part of this role. Together, you will build a visualization platform that turns complex flight test data into clear, actionable insights for various teams. Location This position is based in San Jose, California, United States.

Apr 22, 2026
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company
Internship|Remote|San Jose Office (HQ)

Join Tessera Labs as a Backend Software Engineering Intern and be part of a pioneering team that is transforming enterprise AI automation. Our cutting-edge technologies streamline complex workflows across major platforms like SAP, Salesforce, and Workday, leading the charge in operational efficiency.As an intern, you will gain hands-on experience developing robust backend systems in a collaborative startup environment. You’ll work under the guidance of seasoned engineers to create APIs, enhance data pipelines, and integrate AI functionalities.

Apr 8, 2026
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companyKognitos logo
Internship|On-site|San Jose - HQ

About the Internship Kognitos is hiring Software Engineer Interns (AI-Native) for Summer 2026 at our San Jose headquarters. This program is designed for students eager to build real products with AI at the core, not just use AI tools. Interns will work on meaningful projects, contribute production-ready code, and help shape our engineering practices alongside experienced professionals. What You'll Do Work closely with engineers to design, build, and launch new features from concept to deployment. Use AI-native tools like Claude and Cursor to streamline and improve development workflows. Write clean, well-documented code that follows industry best practices. Participate in code reviews and technical discussions to refine solutions. Troubleshoot issues and help optimize system performance. Contribute to projects involving AI, automation, and data systems. Experiment, iterate, and collaborate in a team-focused setting. Who We're Looking For Currently enrolled in a Computer Science or related degree program, or have equivalent experience. Solid grasp of programming fundamentals (Python, JavaScript, or similar languages). Comfortable with modern development tools and workflows. Experience using Git and collaborative coding practices. Understanding of core computer science concepts like data structures and algorithms. Strong problem-solving skills and a willingness to learn. Clear communicator who works well in a team. Preferred Qualifications Experience with AI coding tools such as Claude Code, Cursor, or Copilot. Hands-on work with LLMs, APIs, or automation workflows. Familiarity with web technologies like React or Node.js. Exposure to cloud platforms (AWS, GCP, Azure). Previous internships, especially at startups, or substantial personal project experience. Final Note Interested candidates are encouraged to apply even if not every qualification is met.

Apr 16, 2026
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companyTENEX logo
Internship|On-site|San Jose, CA

Company Overview:TENEX is a pioneering provider of Managed Detection and Response (MDR) services, built on an AI-first and automation-driven foundation. We empower organizations to bolster their cybersecurity measures through sophisticated threat detection, swift response capabilities, and ongoing protection. Our team consists of industry veterans with extensive expertise in cybersecurity, automation, and AI-based solutions.As a rapidly growing startup, supported by industry leaders and esteemed investor Andreessen Horowitz, we offer a unique opportunity to join our team at an early stage. As an integral member of our small yet well-funded group, you will significantly influence our culture and growth. We are on the fast track to revolutionizing the cybersecurity arena and are actively seeking top-notch talent to join our mission.We are in search of a highly motivated and adaptable Full Stack Engineer Intern to become a part of our core engineering team. We appreciate individuals who are proactive, enjoy tackling challenges, and are eager to grow and learn in a dynamic environment.At TENEX.AI, we place a strong emphasis on our culture—explore our culture deck at culture.tenex.ai to see how we value collaboration and the unique community fostered through in-person work.

Nov 21, 2025
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companyKognitos logo
Full-time|On-site|San Jose - HQ

Join Kognitos as a Senior/Staff Software Engineer - UIKognitos is at the forefront of revolutionizing the trillion-dollar hyper-automation industry. Our innovative multi-agent automation platform empowers systems to think, plan, and act with precision. We aim to elevate the debugging process to a natural language level, removing the fragility of conventional programming languages that fail under real-world complexities.We are committed to developing AI systems that prioritize safety and transparency while delivering tangible business results. Our talented team comprises engineers from prestigious companies such as Google, Microsoft, Meta, and Amazon, along with academic backgrounds from institutions like IIT, Stanford, CMU, UC Berkeley, and Georgia Tech.With offices in Mountain View, CA, and Bangalore, India, we foster close collaboration across regions.Role OverviewAs a Senior/Staff Software Engineer - UI, you will lead our Frontend team in San Jose. This pivotal role allows you to influence the technical direction and foster a collaborative culture within a key product area. You will focus on building and scaling our frontend platform while mentoring engineers and closely partnering with Product, Design, and Backend leaders.Expect hands-on involvement in developing robust, high-performance user interfaces utilizing cutting-edge frontend technologies, while establishing best practices for performance, accessibility, and maintainability.

Jan 13, 2026
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companyArcher56 logo
Internship|On-site|San Jose, California, United States

Archer56 offers an internship in San Jose, California, focused on landing gear engineering. This position supports the design and development of landing gear systems for new aircraft. Interns join a team of experienced engineers and contribute to multiple stages of the engineering process. Role overview This internship centers on practical aerospace engineering work. Interns participate in both design and technical development, gaining exposure to real-world projects in the aviation field. What you will do Assist with the conceptual design of landing gear systems Support activities related to development, testing, and validation Work on hands-on aerospace engineering projects Collaborate with the engineering team on technical assignments

Apr 24, 2026
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company
Internship|On-site|San Jose, CA

Job OverviewBonsai Robotics is seeking a motivated Robotics Software Intern to join our innovative team, dedicated to advancing autonomous systems in the agricultural sector. The perfect candidate will possess a hands-on approach, a thirst for technical knowledge, and a passion for implementing robotics solutions in real-world, challenging environments.What You'll Work OnAs an intern, you will engage in short-term projects (3–6 months) tailored to your skill level. Your contributions may include:Developing comprehensive, high-performance robotic vehicle applicationsCreating tools for sensor data collection and analysisDesigning software components for both on- and off-board robotic platformsCollaborating with Robotics, Vision, and Cloud teams to ensure seamless integration with clean and consistent interfaces

Apr 7, 2026
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companySonsoft Inc. logo
Full-time|On-site|San Jose

Join our dynamic team at Sonsoft Inc. as a Java Frontend Developer, where you will create innovative web applications that enhance user experience. You will collaborate with cross-functional teams to design and implement cutting-edge solutions using Java and related technologies.

Mar 9, 2017
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companyAntora logo
Internship|On-site|San Jose, CA

Join Antora as a Module Process Engineering Intern and immerse yourself in the innovative world of semiconductor processes. This internship offers a unique opportunity to work alongside seasoned engineers and contribute to the development and optimization of cutting-edge technologies. You will gain hands-on experience in process engineering, analyze data, and assist in the implementation of process improvements. Ideal candidates will be eager to learn and adapt in a fast-paced environment.

Apr 1, 2026
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companyEtched logo
Internship|On-site|San Jose

About EtchedEtched is pioneering the world’s first AI inference system specifically designed for transformers, achieving over 10 times the performance with significantly reduced costs and latency compared to traditional models. Our cutting-edge ASIC technology enables the creation of products that are unachievable with GPUs, including real-time video generation models and advanced reasoning agents. With substantial backing from top-tier investors and a team of exceptional engineers, Etched is transforming the infrastructure landscape for the rapidly evolving AI industry.Job SummaryAs a mechanical/thermal engineering intern, you will become an integral part of our mechanical and thermal engineering team, focusing on New Product Introduction (NPI) prototyping, manufacturing fixture development, liquid cooling technologies, and rack-level system design. Our Platform Team is responsible for developing a comprehensive full-stack system that supports Etched Silicon from PCB to Rack. We are looking for interns eager to engage in all facets of mechanical and electrical engineering to help shape the future of high-power ASIC systems.Ideal Candidates Will Have:Progress towards a Bachelor’s or Master’s degree in Mechanical Engineering, Computer Engineering, or a related field.Hands-on experience in building mechanical systems, circuit boards, or similar projects.Familiarity with the board design cycle, high-speed interconnects, power distribution, and system integration.We encourage applications from candidates who may not meet every single qualification.Internship Program Details:12-week paid internship (June - August 2026)Generous housing support for interns relocating to San JoseDaily lunch and dinner provided at our officePosition based in our San Jose, CA officeDirect mentorship from industry leaders and top-tier engineersOpportunity to contribute to addressing some of the most critical challenges of our timeFor inquiries, please contact internships@etched.com

Feb 7, 2026
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companyCouchbase Inc. logo
Full-time|On-site|San Jose, CA

Join Couchbase Inc. as a Principal Software Engineer and play a pivotal role in designing and implementing innovative software solutions. You will collaborate with cross-functional teams to drive the technical direction of our products, ensuring high performance and scalability. Your expertise will guide the development of robust systems that meet customer needs and industry standards.

Apr 10, 2026
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companyarcher56 logo
Full-time|On-site|San Jose, California, United States

Join archer56 as a Staff Software Engineer specializing in Engineering Applications. In this pivotal role, you will leverage your extensive software engineering expertise to develop innovative solutions that enhance our engineering capabilities. Collaborate with cross-functional teams to design, implement, and optimize applications that streamline engineering processes and improve productivity.

Apr 8, 2026
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companyWeRide logo
Internship|On-site|San Jose, CA

WeRide is at the forefront of autonomous driving technology, specializing in innovative solutions that span from Level 2 to Level 4 capabilities. Our diverse product offerings include Robotaxi, Robobus, Robosweeper, Robovan, and Advanced Driving Solutions, all designed to enhance transportation safety, affordability, and accessibility. Join us as we revolutionize mobility with our cutting-edge driverless technologies.As a Summer Intern in our Software Engineering team, you will:Collaborate with elite engineers to design, develop, and maintain advanced software systems for autonomous driving. Your role will involve engaging in a variety of meaningful projects tailored to the team you join, providing you with the opportunity to face exciting challenges in a dynamic environment. Work closely with your manager, mentor, and team members to foster innovation and contribute significantly to the evolution of autonomous driving technology.

Oct 7, 2025
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company
Internship|On-site|San Jose, CA

About the RoleWe are seeking a passionate Machine Learning Engineering Intern to join our perception and learned-behavior teams. As an intern, you will tackle real-world challenges using actual data from machines in the field, rather than simplified datasets. Your projects may include:Creating auto-labeling pipelines to enhance our training data.Designing generative simulation environments for model assessment.Refining model inference for deployment on edge devices (NVIDIA Jetson).Assisting in the training and evaluation of BEV (bird's-eye-view) perception or VLA models.This hands-on position will enable you to deploy code that directly influences our autonomy stack.

Mar 27, 2026
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companyEtched logo
Full-time|On-site|San Jose

Etched develops AI inference systems optimized for transformer architectures. The company’s ASIC technology is designed to deliver significantly higher performance and lower latency than traditional solutions, supporting applications like real-time video generation and parallel reasoning agents. Etched is backed by major venture capital firms and led by an experienced engineering team. Role overview The Advanced IC Packaging Team in San Jose is seeking a Thermo-Mechanical & CFD Simulation Engineering Intern. This internship centers on Chip-on-Wafer-on-Substrate (CoWoS) package development for high-performance computing systems. The role involves hands-on simulation work using ANSYS Mechanical APDL and ANSYS FLUENT. What you will do Create Finite Element Analysis (FEA) models for CoWoS integrated circuit packages in ANSYS Mechanical APDL. Conduct thermo-mechanical stress and strain analyses, including thermal cycling simulations. Evaluate package warpage, solder joint reliability, and interconnect stress. Develop Computational Fluid Dynamics (CFD) models in ANSYS FLUENT to simulate solder reflow. Collaborate with design engineering teams throughout package development.

Apr 24, 2026
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companyExtreme Networks, Inc. logo
Senior Software Systems Engineer

Extreme Networks, Inc.

Full-time|On-site|San Jose, California, United States

Join Extreme Networks, a global leader in cloud-driven networking solutions trusted by over 50,000 customers worldwide. Our innovative services empower organizations to enhance their digital transformation journeys, yielding remarkable progress and scalability. With a consistent double-digit growth year over year, we stand out as a premier provider committed to delivering exceptional outcomes.At Extreme, inclusion is woven into our core values. We are dedicated to cultivating a diverse and inclusive workplace where every employee thrives, and their unique perspectives contribute to our collective success.Be a part of something significant with Extreme! Discover why now is the perfect time to join our dynamic team.

Jan 13, 2026
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companyTrackonomy Systems logo
Internship|On-site|San Jose, CA

Join Our Team as an Embedded Firmware Engineer Intern!Location: San Jose, CACompany: Trackonomy SystemsAbout Trackonomy SystemsAt Trackonomy, we are at the forefront of innovating the next-generation operating system for a connected world. Our pioneering technology utilizes advanced smart labels, multi-radio IoT devices, agent-based intelligence, and the Sentient AI platform to provide unparalleled visibility, automation, control, and remediation across global supply chains. Our integrated solutions convert physical assets into intelligent, communicative entities, addressing critical challenges in logistics, healthcare, cold chains, industrial operations, manufacturing, and more.We are developing a revolutionary class of connected devices that empower physical objects to sense, communicate, and engage in real time. Our platform seamlessly combines custom hardware, embedded firmware, wireless networking, and cloud infrastructure to enable applications across diverse sectors including logistics, industrial systems, utilities, healthcare, and government.Our devices are designed to operate at a massive scale, tackling complex issues in low-power systems, wireless communication, and distributed sensing. With the backing of prominent investors like Kleiner Perkins and 8VC, Trackonomy is shaping a connected environment where physical objects become fully intelligent and interactive.The RoleWe are seeking a motivated Embedded Firmware Engineering Intern to assist in the development of cutting-edge software that powers our next-generation IoT devices. This hands-on engineering role involves direct interaction with hardware, microcontrollers, wireless modules, and sensors. Interns are integrated into our engineering team, contributing to real systems that are delivered to customers.You will work collaboratively with firmware, hardware, and systems engineers to design, build, test, and debug embedded software for resource-constrained devices.What You’ll Work OnYour projects may include:Developing firmware for ARM-based microcontrollersCreating embedded C/C++ drivers for sensors, radios, and peripheralsIntegrating wireless communication modules such as BLE, LoRa, or cellular IoTAssisting with hardware bring-up and board-level debuggingEstablishing test frameworks and automation for firmware validation

Mar 10, 2026
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companyEtched logo
Full-time|On-site|San Jose

About EtchedEtched is pioneering the world's first AI inference system specifically designed for transformers, achieving over 10x higher performance, significantly reduced costs, and minimal latency compared to B200 systems. Our custom ASICs enable the development of innovative products that were previously unattainable with GPUs, such as real-time video generation models and advanced chain-of-thought reasoning agents. With substantial backing from leading investors and a team of top engineers, Etched is revolutionizing the infrastructure of one of the fastest-growing industries in history.Key ResponsibilitiesAssist in porting cutting-edge models to our architecture and contribute to the development of programming abstractions and testing capabilities to streamline the model porting process.Develop, enhance, and scale Sohu’s runtime, focusing on multi-node inference, intra-node execution, state management, and effective error handling.Optimize routing and communication layers utilizing Sohu's collectives.Employ performance profiling and debugging tools to pinpoint bottlenecks and correctness challenges.Ideal Candidate ProfileStrong proficiency in C++ or Rust programming languages.Solid understanding of performance-critical and complex distributed software systems, including Linux internals, accelerator architectures (e.g., GPUs, TPUs), compilers, and high-speed interconnects (e.g., NVLink, InfiniBand).Familiarity with machine learning frameworks such as PyTorch or JAX.Experience in porting applications to non-standard accelerator hardware or platforms.Preferred QualificationsExperience in developing low-latency, high-performance applications using both kernel-level and user-space networking stacks.In-depth understanding of distributed systems concepts, algorithms, and challenges, including consensus protocols and communication patterns.Thorough knowledge of Transformer architectures, particularly Mixture-of-Experts (MoE).Experience building applications with substantial SIMD (Single Instruction, Multiple Data) optimizations for performance-critical paths.BenefitsHealth Insurance401k

Jun 17, 2025

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