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  • Python Backend Engineer - 3D / Visualization / API / Software (On-site) (Hayward)

    $210k

     ...aerospace, automotive, and advanced manufacturing are designed and developed. Why Join? Build the Future of Engineering: This isn'...  ...coordination, and the development of robust, developer-facing APIs. This position is critical for delivering the fast, reliable,... 
    Suggested
    Part time
    Work at office

    Attis

    Hayward, CA
    6 days ago

  • Senior Frontend Developer/Mobile Lead (React + Cross-Platform) (Hayward)

    $190k - $220k

     ...Job Title: Senior Frontend Developer / Mobile Lead Location: Remote (US Only) Employment...  ...mobile app while leveling up our web platform. Huge impact, no bureaucracy. **...  ...Collaborate with backend engineering by consuming APIs, not building them Qualifications... 
    Suggested
    Full time
    Part time
    Remote work

    UpRecruit

    Hayward, CA
    4 days ago

  • Full Stack Engineer

     ...product and technical decisions. Responsibilities Architect, develop, test, and maintain core product features across Django and...  ...schema to frontend UX. Design and implement scalable RESTful APIs and integrations with third-party services. Build responsive,... 
    Suggested
    Full time

    DataInsight

    Hayward, CA
    14 days ago

  • Full Stack Engineer (Hayward)

    $200k - $220k

     ...shipping features. They are defining how developers and autonomous systems visualize, understand...  ...and build responsive, high performance web and native applications using React,...  ...visualization, and data rich workflows Integrate APIs and partner with backend engineers to... 
    Suggested
    Part time
    Immediate start

    Trust In SODA

    Hayward, CA
    4 days ago

  • Senior Backend Engineer (Hayward)

     ...an exciting tech start-up that is looking for multiple Backend Developers to join their team. This role will be on-site in San Francisco...  .... Background in complex scraping or working without strong APIs. Familiarity with distributed, event-driven architectures (... 
    Suggested
    Part time

    Velocity Tech

    Hayward, CA
    9 days ago

  • Founding Full Stack Engineer (Frontend + UX Focus) (Hayward)

     ...systems, large datasets, and AI outputs. Dipping into the backend (Python/FastAPI, Supabase, AWS) to unblock yourself and shape APIs. What Theyre Looking For Strong front end engineering with sharp product taste. Someone who cares about clean UI, clear... 
    Suggested
    Part time

    HartleyCo

    Hayward, CA
    9 days ago

  • Senior Full Stack Engineer (Product) - AI Workflow/Application Builder (Hayward)

    $200k - $325k

     ...orchestration layer connecting workflows, agents, and front-end views. Develop and scale Lumenas TypeScript-based backend and modern frontend...  .... Shape and maintain the integration layer connecting REST APIs, SQL sources, and third-party systems. Define and enforce... 
    Suggested
    Full time
    Part time

    Ikuto

    Hayward, CA
    9 days ago

  • Senior Back End Engineer - AI Workflow/Application Builder (Hayward)

    $200k - $325k

     ...orchestration layer connecting agents, data sources, and frontend views. Develop and scale the TypeScript-based backend , handling asynchronous...  ...routines. Build and maintain integration layers for REST APIs, SQL sources, and third-party systems. Collaborate with the... 
    Suggested
    Full time
    Part time

    Ikuto

    Hayward, CA
    9 days ago

  • Mobile Application Developer (Hayward)

    $70 - $85 per hour

     ...environment. Key Responsibilities Develop and maintain native mobile applications...  ...(Kotlin). Design and implement robust APIs , collaborating closely with backend engineers...  ...algorithms, networking, and Linux OS. Web application internals and scalability... 
    Suggested
    Temporary work
    Part time
    January start
    Local area

    LHH

    Hayward, CA
    5 days ago

  • UI Developer

    $90k - $125k

     ...part of an innovative and collaborative web development team at a leading online marketing...  .... We are seeking a talented Vue.js Developer with a passion for building exceptional user...  ...with backend engineers to integrate APIs and ensure smooth functionality across the... 
    Suggested
    Full time

    Quinstreet

    Foster, CA
    2 hours ago

  • Frontend Developer (Hayward)

    &##128293; Were Hiring: Frontend Software Engineer Chalk hackajob has partnered with a forward-thinking tech-driven business that prioritizes innovation in its digital solutions and leverages extensive industry data to drive impactful results. Were supporting ...
    Suggested
    Part time

    hackajob

    Hayward, CA
    2 days ago

  • Frontend Engineer (Hayward)

    Frontend Engineer UMATR are supporting an early-stage AI startup on a mission to help growing organisations stay aligned and efficient as they scale. Our product acts as an intelligent teammate that understands a companys context, goals, and culture giving teams unprecedented...
    Suggested
    Part time

    UMATR

    Hayward, CA
    9 days ago

  • Senior Backend Infrastructure Engineer

     ...architecture decisions Work closely with engineers to expose APIs and backend data for front-end integration What They’re Looking...  ...architectures Background building AI-powered or large-scale web systems Familiarity with performance monitoring and distributed... 
    Suggested

    HartleyCo

    Hayward, CA
    2 days ago

  • Senior Full Stack Engineer - Backend Focus / Security / Node (Hybrid) (Hayward)

    $210k

     ...logging and encryption. Build the necessary web interfaces for fleet administration (React), while ensuring the underlying API surface is robust and scalable. The...  ..., IAM, HIPAA Compliance, Payment Systems Developer, Secure Systems Architect, Fleet Management,... 
    Suggested
    Part time

    Attis

    Hayward, CA
    4 days ago

  • Java Developer (Backend)

     ...Description We have an immediate requirement for a Java Back End Developer with one of our clients in Pleasanton CA. The position is...  ...above, Microservices, Azure Cloud, Spring Boot, Kafka, REST APIs, Hibernate, JPA, Solr, Gradle, Shell Script, Groovy, Splunk, New... 
    Suggested
    Long term contract
    Immediate start

    DRISHTICON Inc

    Pleasanton, CA
    7 days ago

  • Senior Full Stack Developer (Focus on Backend | Python & TypeScript)

     ...and TypeScript (NestJS, FastAPI, Flask, Django). ·         Proficiency with RDBMS and NoSQL databases. ·         Skilled in API development , cloud environments (AWS) , Docker , and Terraform . ·         Familiarity with Kubernetes , DevOps , and modern... 
    Contract work
    Work at office
    Flexible hours

    INFOTRON

    Pleasanton, CA
    a month ago

  • Senior Full-Stack Engineer (Multiple Opportunities) (Hayward)

     ...trajectory. Were hands-on, fast, and founder-obsessed - supporting startups across AI, enterprise software, data infrastructure, developer tools, fintech, and the future of work. Learn more: About the Harrison Clarke Ventures Talent Team We operate as an... 
    Part time
    Remote work

    Harrison Clarke Ventures

    Hayward, CA
    9 days ago

  • Full Stack Engineer (Pleasanton)

     ...Full Stack Java Developer Pleasanton, CA - Hybrid Long Term Contract C2C and W2 Both Job Responsibilities ~5-7 years of experience...  ...: Java 8 or 11, AWS or Azure, Microservices, MongoDB, REST APIS, ~80% backend and 20% frontend - React or Javascript ~... 
    Long term contract
    Part time

    BayOne Solutions

    Pleasanton, CA
    6 days ago

  • Senior Frontend Engineer

    $180k - $240k

     ...you're fluent in the tools that power today’s most responsive web platforms. Your Core Expertise: Highly skilled in building...  ...through tools like D3, WebGL, or similar frameworks Background in developing modular, scalable UI systems within distributed or micro-... 
    Local area

    Jobot

    Pleasanton, CA
    5 days ago

  • Senior Software Engineer (Backend) - Python - AI-Driven Research Platform (Hayward)

    $160k - $220k

    &##128640; Senior Engineer (Backend) - Define the Future of AI-Driven Research &##128161; We're looking for a Senior Backend Engineer (Python) to join a groundbreaking, Series A-funded AI research platform that is currently defining a new category in the market. This...
    Part time
    Work at office
    Relocation

    Ikuto

    Hayward, CA
    2 days ago

  • Senior Angular/Java Full Stack Developer

     ...Role: Angular/Java Full Stack Developer Location: Oakland, CA (Hybrid – 3 days onsite) Duration...  ...hands-on experience in SQL Server, REST APIs, and enterprise application development...  ...procedures). ~ Experience with RESTful Web Services, APIs. ~ Familiarity with... 

    Triune Infomatics Inc

    Oakland, CA
    2 hours ago

  • Frontend Engineer

    $180k - $225k

     ...and grid layout in CSS. When would you use each? What are Web Workers for and in what situations are they helpful? How would...  ...big, impactful decisions in the course of your work. You’ve developed an area of expertise Our engineering team is just a few people... 
    Full time
    Temporary work
    Work at office
    Remote work
    Flexible hours

    Elicit

    Oakland, CA
    2 hours ago

  • Senior Frontend Developer

     ...us, we're not just iterating on old ideas; we’re inventing a new way to operate. Your Mission: As our foundational Frontend Developer , you’ll be the architect of the human-AI partnership. This isn't just about building dashboards; it's about crafting a cognitive... 
    Full time

    Ciroos

    Pleasanton, CA
    2 hours ago

  • Fullstack Engineer / Manager (Oakland)

     .... Experience with back-end technologies and runtime environments such as Python or Node.js. Experience building and deploying APIs (REST/GraphQL). Experience with cloud computing platforms (any of the big three Azure, AWS, GCP) and container technologies (Docker... 
    Full time
    Part time

    Prosum

    Oakland, CA
    9 days ago

  • Full Stack Engineer

     ...• Own full development cycles: design, implementation, testing, shipping, and iteration • Work with founders and designers to develop product direction and refine customer workflows • Contribute to engineering culture, code quality, and operational excellence •... 

    NXT Eng

    Hayward, CA
    2 days ago

  • Software Engineer

    $120k - $140k

     ...Description Position Overview  We are seeking an exceptional developer with robust Python skills   to join our team. You will play a...  ...systems with complex business rules. Integrate third-party APIs and normalize data across multiple healthcare providers. Implement... 
    Work at office
    3 days per week

    VIVIO, a Public Benefit Corporation

    Hayward, CA
    12 days ago

  • Mobile Engineer

    Mobile Engineer (React Native + iOS/Android) We’re looking for Mobile Engineers to join a growing team. You’ll play a key role in technical decision-making and execution, and you’ll see firsthand the impact our work has in the healthcare space. You’ll build and support...

    Needl

    Hayward, CA
    2 hours ago

  • Software Engineer (Hayward)

    $150k - $210k

     ...serving millions of users every day. Work across the stack Next.js frontend + Python backend integrating the latest AI models & APIs. Ship fast: design code test deploy learn repeat. Collaborate directly with founders, engineers, and customers to deliver exceptional... 
    Full time
    Part time
    Visa sponsorship

    Acceler8 Talent

    Hayward, CA
    9 days ago

  • Senior & Lead Application Security Engineer

     .... • Build and integrate automated security tooling (SAST, DAST, dependency scanning, IaC scanning) into CI/CD pipelines. • Develop security automation and internal tooling using Python, Bash, or Go. • Partner with Engineering, DevOps, and Infrastructure teams... 
    Visa sponsorship

    Verticalmove, Inc

    Hayward, CA
    1 day ago

  • Testing Engineer I (Hayward)

     ...collaborate with clients test engineering teams to design test plans, develop test cases, execute manual tests, and identify/report defects....  ...Testing Accessibility Testing Functional Testing API / Services Testing Integration Testing Device Testing Regression... 
    Part time

    Aceolution

    Hayward, CA
    4 days ago