Explore 4 senior java fullstack developer jobs from 2 hiring companies in Compton, CA, US. Filter by remote, salary, experience, and company, then open any listing to apply.

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Senior Java Fullstack Developer Jobs

StubHub

Observable Space

Thrive Market

Hybrid

Remote

<div class="content-intro"><p>StubHub is on a mission to redefine the live event experience on a global scale. Whether someone is looking to attend their first event or their hundredth, we’re here to delight them all the way from the moment they start looking for a ticket until they step through the gate. The same goes for our sellers. From fans selling a single ticket to the promoters of a worldwide stadium tour, we want StubHub to be the safest, most convenient way to offer a ticket to the millions of fans who browse our platform around the world.</p></div><div class="section page-centered" data-qa="job-description">
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<div>StubHub is seeking Senior Software Engineers to design and develop next-generation technologies and complex features that transform the way millions of users explore, interact with, and participate in live events worldwide. As a Senior Software Engineer, you will be an integral part of developing the team's commercial and product strategy. You will be expected to be equally focused on user needs and to exercise sound commercial judgment (not just technical judgment). Our Senior Software Engineers are essential to our company’s success, so they must demonstrate initiative and enthusiasm in solving the problems they encounter. StubHub is committed to being a phenomenal and inclusive workplace. We expect you to also serve as an advocate and mentor for your team members, demonstrating leadership qualities and setting an example for those around you.&nbsp;&nbsp;</div>
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<div><em data-start="36" data-end="89">Location: Hybrid (3 days in office/2 days remote) – Aliso Viejo, CA or New York, NY or Seattle, WA</em></div>
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<div>&nbsp;</div>
<div><strong>About the Team:</strong></div>
<div>The Supply team's mission is to simplify the lives of our large-ticket sellers by making it effortless to onboard and manage their inventory across the entire event lifecycle. We help sellers reduce operational overhead and maximize revenue through intelligent automation, streamlined workflows that move at marketplace speed, and fast, dependable experiences. Behind the scenes, we design and operate enterprise-grade, high-throughput systems that power core seller operations and handle large, dynamic datasets at scale. Our work spans multiple layers of the stack - from robust back-end services to high-performance, user-focused interfaces - ensuring sellers have a reliable, end-to-end platform they trust to run their business.</div>
<div>
<h4>What You'll Do:</h4>
<ul>
<li>Design, develop, test, deploy, and maintain impactful improvements that cross the frontend and backend code across all StubHub’s platforms and products, resulting in high-quality outcomes&nbsp;&nbsp;&nbsp;</li>
<li>Collaborate with team members to ensure best practices across our code&nbsp;&nbsp;&nbsp;</li>
<li>Manage individual initiative priorities, deadlines, and deliverables with your technical expertise&nbsp;&nbsp;&nbsp;</li>
<li>Mentor other team members and help many increase their technical capabilities, fostering a culture of inclusion, results-oriented execution, open innovation, and limitless creativity&nbsp;&nbsp;&nbsp;&nbsp;</li>
</ul>
</div>
</div>
<div class="section page-centered">
<div>
<h4>What You've Done:</h4>
<ul>
<li>5-6+ years of professional experience in software development&nbsp;&nbsp;&nbsp;</li>
<li>2+ years of in-depth experience with React and relevant toolsets/framework ecosystems&nbsp;</li>
<li>Extensive experience developing robust, mission-critical systems using multiple general-purpose programming languages (e.g., Java, C#)</li>
<li>Demonstrated expertise in building software with one or more of the following: Infrastructure, Databases, Data Processing, Machine Learning, Distributed Systems, Security, and Privacy&nbsp;&nbsp;</li>
<li>Previous experience designing and developing solutions to complex problems with significant business impact&nbsp;&nbsp;</li>
<li>A strong understanding of how their systems interact with the broader production environment, including dependencies and platform primitives&nbsp;&nbsp;</li>
<li>Proven ability to learn other coding languages, platforms, frameworks, and tools&nbsp;&nbsp;</li>
<li>Experience owning projects from the initial idea all the way to production&nbsp;&nbsp;</li>
<li>Experience mentoring junior engineers&nbsp;</li>
</ul>
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<div class="p-rich_text_section"><strong data-stringify-type="bold">What We Offer:</strong></div>
<ul>
<li><strong>Accelerated Growth Environment</strong>: An environment designed for swift skill and knowledge enhancement, where you have the autonomy to lead experiments and tests on a massive scale.</li>
<li><strong>Top Tier Compensation Package</strong>: Competitive base, equity, and upside that tracks with your impact.</li>
<li><strong>Flexible Time Of</strong>f: Enjoy unlimited Flex Time Off, giving you the flexibility to manage your schedule and take time to recharge as needed.</li>
<li><strong>Comprehensive Benefits Package</strong>: Prioritize your well-being with a comprehensive benefits package, featuring 401k, and premium Health, Vision, and Dental Insurance options.</li>
</ul>
<p>&nbsp;</p>
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</div><div class="content-pay-transparency"><div class="pay-input"><div class="description"><p>The anticipated gross base pay range is below for this role. Actual compensation will vary depending on factors such as a candidate’s qualifications, skills, experience, and competencies. Base annual salary is one component of StubHub’s total compensation and competitive benefits package, which includes equity, 401(k), paid time off, paid parental leave, and comprehensive health benefits.&nbsp;</p></div><div class="title">Salary Range</div><div class="pay-range"><span>$200,000</span><span class="divider">&mdash;</span><span>$250,000 USD</span></div></div></div><div class="content-conclusion"><div><strong>About Us</strong>&nbsp;</div>
<div>StubHub is the world’s leading marketplace to buy and sell tickets to any live event, anywhere. Through StubHub in North America and viagogo, our international platform, we service customers in 195 countries in 33 languages and 49 available currencies. With more than 300 million tickets available annually on our platform to events around the world -- from sports to music, comedy to dance, festivals to theater -- StubHub offers the safest, most convenient way to buy or sell tickets to the most memorable live experiences. Come join our team for a front-row seat to the action.&nbsp;</div>
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<div>For California Residents: California Job Applicant Privacy Notice found&nbsp;<a class="postings-link" href="https://img.vggcdn.net/webresources/PDF/Privacy_Notice_for_Job_Applicants_California.pdf">here</a></div>
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<div><strong>We are an equal opportunity employer and value diversity on our team. We do not discriminate on the basis of race, color, religion, sex, national origin, gender, sexual orientation, age, disability, veteran status, or any other legally protected status.</strong></div></div>

Senior Software Engineer - Supply Core (Fullstack)

Senior Software Engineer

5+ years software development; 2+ years React; experience with Java or C#; strong system design and collaboration; mentorship.

5-6+ years software development; 2+ years React; Java/C#; experience with infrastructure, databases, data processing, distributed systems, security; strong collaboration and mentorship.

<div class="section page-centered">
<div><strong>ABOUT THRIVE MARKET&nbsp;</strong></div>
<div>&nbsp;</div>
<div>Thrive Market was founded in 2014 with a mission to make healthy and sustainable living easy and affordable for everyone. As an online, membership-based market, we deliver the highest quality healthy, and sustainable products at member-only prices, while matching every paid membership with a free one for someone in need. Every day, we leverage innovative technology and member-first thinking to help our over 1,600,000+ members find better products, support better brands, and build a better world in the process. We are also a Certified B Corporation, a Public Benefit Corporation, and a Climate Neutral Certified company.</div>
<div>&nbsp;</div>
<div>Join us as we bring healthy and sustainable living to millions of Americans in the years to come.</div>
<div>
<p><strong>THE ROLE</strong></p>
<p>At Thrive Market our ML team works closely with our Product Managers and Feature teams to enable experiences that define how our members shop, save, and stay loyal. This is a foundational hire for a team focused on enabling shopping powered by ML across our products; meaning you won't just be inheriting a slice of the product as it, you'll be redefining how ML turbo charges across its breadth.</p>
As a Senior Software Engineer, Fullstack, you'll operate across the full stack; from designing robust backend services that power the delivery of our ML systems all the way to delivering it through elegant frontend experiences. You'll also contribute to our PHP and Magento codebase and evolve those systems into the future. If you're energized by ambiguity, care deeply about how to empower customers through ML, and want your architectural decisions to actually matter; this is the role.
<p><strong>RESPONSIBILITIES</strong></p>
<ul>
<li>Design and implement scalable backend services and front end components that enable new customer experiences powered by AI-assisted shopping and site personalization&nbsp;</li>
<li>Build and maintain frontend features in React and Next.js that are fast, accessible, and polished at every interaction.</li>
<li>Work comfortably in our PHP/Magento codebase while actively contributing to its modernization..</li>
<li>Decompose legacy monolithic systems into maintainable, horizontally scalable service oriented architectures where it makes sense.</li>
<li>Apply strong software development principles and practice test-driven development from the start; unit tests, integration tests, and meaningful observability are table stakes here.</li>
<li>Collaborate closely with Product, Design, and Data in the Product Triad model; translating business problems into technical specs and realistic sprint goals.</li>
<li>Instrument new services with meaningful metrics; own the SLAs for what your pod ships.</li>
<li>Elevate the team through thoughtful code review, architectural discussions, and documentation of best practices.</li>
<li>Work with cross-functional partners to diagnose and resolve production issues and restore system health quickly.</li>
</ul>
<p><strong>QUALIFICATIONS</strong></p>
<ul>
<li>5+ years of hands-on experience in full-stack development, with meaningful time across both the web and backend stack.</li>
<li>Strong proficiency in backend systems and languages such as Python, Java, PHP or similar</li>
<li>Proficiency with React.js, TypeScript, and Next.js; solid understanding of SSR, ISR, SSG, and CSR tradeoffs.</li>
<li>Experience building and maintaining REST and RPC APIs and services at scale.</li>
<li>Familiarity with relational and non-relational databases; understands when to use which and why.</li>
<li>Working knowledge of AWS services (Lambda, S3, CloudWatch, etc.) and serverless patterns.</li>
<li>Experience with observability and monitoring tools (New Relic, Datadog, or similar) to maintain SLA and error rate targets.</li>
<li>Comfort working in and improving legacy codebases; you don't need a greenfield project to do your best work.</li>
<li>Strong communication skills; can articulate tradeoffs clearly and influence architectural decisions across teams.JO</li>
<li>Experience with agile development, CI/CD pipelines, and collaborative Git workflows.</li>
</ul>
<p><strong>NICE TO HAVE</strong></p>
<ul>
<li>Familiarity with ML operations and infrastructure.</li>
<li>E-commerce experience.</li>
<li>Direct experience with Magento or similar e-commerce platforms.</li>
<li>Strong Proficiency in PHP.</li>
<li>Familiarity with Kafka or similar event based messaging systems.</li>
<li>High-traffic consumer-facing product experience.</li>
<li>Experience with A/B testing and feature flagging tools (Optimizely, LaunchDarkly).</li>
</ul>
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<h3 data-qa="preview-list-item-2-text">BELONG TO A BETTER COMPANY</h3>
<ul>
<li>Comprehensive health benefits (medical, dental, vision, life and disability)</li>
<li>Competitive salary (DOE) + equity</li>
<li>401k Employer Match</li>
<li>9 Days of Observed Holidays</li>
<li>Flexible Paid Time Off</li>
<li>Subsidized ClassPass Membership with access to fitness classes and wellness and beauty experiences</li>
<li>Ability to work in our beautiful office in Playa Vista</li>
<li>Free Thrive Market membership with exclusive employee discount</li>
<li>Coverage for Life Coaching &amp; Therapy Sessions on our holistic mental health and well-being platform</li>
</ul>
<div>We're a community of more than 1 Million + members who are united by a singular belief: It should be easy to find better products, support better brands, make better choices, and build a better world in the process.</div>
<div>&nbsp;</div>
<div>At Thrive Market, we believe in building a diverse, inclusive, and authentic culture. If you are excited about this role along with our mission and values, we encourage you to apply.</div>
<div>&nbsp;</div>
<div><em>Thrive Market is an EEO/Veterans/Disabled/LGBTQ employer</em></div>
<div>&nbsp;</div>
<div><em>At Thrive Market, our goal is to be a diverse and inclusive workplace that is representative, at all job levels, of the members we serve and the communities we operate in. We’re proud to be an inclusive company and an Equal Opportunity Employer and we prohibit discrimination and harassment of any kind. We believe that diversity and inclusion among our teammates is critical to our success as a company, and we seek to recruit, develop and retain the most talented people from a diverse candidate pool. If you’re thinking about joining our team, we expect that you would agree!</em></div>
<div>&nbsp;</div>
<div><em>If you need assistance or accommodation due to a disability, please email us at eoe@thrivemarket.com and we’ll be happy to assist you.</em></div>
<div>&nbsp;</div>
<div>Ensure your Thrive Market job offer is legitimate and don't fall victim to fraud. Thrive Market never seeks payment from job applicants. Thrive Market recruiters will only reach out to applicants from an @thrivemarket.com email address. For added security, where possible, apply through our company website at&nbsp;<a class="postings-link" href="http://www.thrivemarket.com/">www.thrivemarket.com</a>.</div>
<div>&nbsp;</div>
<div>© Thrive Market 2026 All rights reserved.</div>
</div>
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<h3 data-qa="preview-list-item-3-text">JOB INFORMATION:</h3>
<ul>
<li>Compensation Description - The base salary range for this position is $160,000 - $190,000/Per Year.</li>
<li>Compensation&nbsp;may vary outside of this range depending on several factors, including a candidate’s qualifications, skills, competencies and experience, and geographic location.</li>
<li>Total Compensation includes Base Salary, Stock Options, Health &amp; Wellness Benefits, Flexible PTO, and more!</li>
</ul>
</div>

Senior Software Engineer, Fullstack

Software Engineer

5+ years full-stack experience; Python/Java/PHP; React.js, TypeScript, Next.js; REST/RPC APIs; AWS; observability; CI/CD; Agile; strong communication.

<p style="min-height:1.5em">Job Title: Staff Software Engineer, Full Stack</p><p style="min-height:1.5em"></p><p style="min-height:1.5em">Job Type: Full-Time</p><p style="min-height:1.5em"></p><p style="min-height:1.5em">About Us:</p><p style="min-height:1.5em"></p><p style="min-height:1.5em">From telescopes to software architecture, Observable Space provides the foundational elements every organization needs to operate in space.</p><p style="min-height:1.5em"></p><p style="min-height:1.5em">Observable Space is unlocking continuous, real-time observations of space with the industry’s first line of vertically integrated hardware and software products. Observable Space’s full line of products serves all sectors of the space industry including commercial, science, education, and government customers, as well as astronomy enthusiasts discovering the cosmos.</p><p style="min-height:1.5em"><br />We are seeking a highly skilled and experienced Full Stack Software Engineer to join our dynamic team. This role will involve deep engagement with our backend microservices, typescript front ends, and c++ edge processing applications. The ideal candidate will have a strong background in software engineering, with specific expertise in distributed systems, relational database design, reactive frontend programming, and a keen eye for design. This role will report directly to the VP of Software Engineering.</p><p style="min-height:1.5em"><br />Observable Space is backed by top institutional investors – Upfront Ventures, Oceans Ventures, Venrex, Marlinspike Partners, and Embedded Ventures - and led by industry experts from SpaceX, Planewave, and National Laboratories.<br /></p><p style="min-height:1.5em"><strong>Key Responsibilities:</strong></p><p style="min-height:1.5em"><em>Technical Leadership &amp; Vision</em></p><ul style="min-height:1.5em"><li><p style="min-height:1.5em">Own multi-quarter technical roadmaps for platform systems, translating company goals into durable architectural decisions.</p></li><li><p style="min-height:1.5em">Define and evangelize engineering standards, patterns, and best practices across teams — writing the documents other engineers reference.</p></li><li><p style="min-height:1.5em">Drive architectural decisions for distributed systems and ensure long-term technical scalability across the stack.</p></li><li><p style="min-height:1.5em">Identify and resolve systemic technical risks before they become production incidents.</p></li></ul><p style="min-height:1.5em"><em>Organizational Impact</em></p><ul style="min-height:1.5em"><li><p style="min-height:1.5em">Lead multi-team technical design processes — writing RFCs, facilitating alignment, and driving decisions to closure.</p></li><li><p style="min-height:1.5em">Actively develop senior and mid-level engineers through design reviews, pairing, and structured feedback.</p></li><li><p style="min-height:1.5em">Translate complex technical tradeoffs into business impact for non-technical stakeholders including executives and customers.</p></li><li><p style="min-height:1.5em">Work closely with cross-functional teams to define and deliver solutions for our customers.</p></li><li><p style="min-height:1.5em">Contribute to hiring by interviewing candidates and helping define what "great" looks like at Observable Space.</p></li></ul><p style="min-height:1.5em"><em>Execution &amp; Engineering Excellence</em></p><ul style="min-height:1.5em"><li><p style="min-height:1.5em">Design, build, and maintain Kotlin backend microservices, C++ edge applications, and reactive frontends.</p></li><li><p style="min-height:1.5em">Design and optimize relational database schemas, ETL pipelines, and data warehousing solutions.</p></li><li><p style="min-height:1.5em">Debug and resolve complex production issues across the full software stack (backend, frontend, and edge).</p></li><li><p style="min-height:1.5em">Ensure high reliability and performance in production systems, and establish the observability practices that make this possible.</p></li></ul><p style="min-height:1.5em">Basic Qualifications:</p><ul style="min-height:1.5em"><li><p style="min-height:1.5em">8+ years of experience in a relevant software engineering role, with at least 2–3 years in a Staff, Principal, or technical lead capacity.</p></li><li><p style="min-height:1.5em">Demonstrated ability to influence technical direction beyond your immediate team — through documents, standards, or organizational initiatives.</p></li><li><p style="min-height:1.5em">Track record of improving engineering quality, velocity, or culture at an organizational level.</p></li><li><p style="min-height:1.5em">Strong programming skills in Java, Kotlin, C++, or C# (we love our statically typed object oriented languages!).</p></li><li><p style="min-height:1.5em">Excellent data modeling skills - extensive experience working with RDBMSs, ETL processes, and data warehousing.</p></li><li><p style="min-height:1.5em">Experience in a test-driven development environment.</p></li><li><p style="min-height:1.5em">Acute product sense, placing an emphasis on user experience and outcomes over outputs.</p></li><li><p style="min-height:1.5em">An iterative mindset — perfect is the enemy of good, and you know when to pay down technical debt vs. when to ship.</p></li><li><p style="min-height:1.5em">Ability to navigate ambiguity and lead others through it in a fast-paced, dynamic environment.</p></li></ul><p style="min-height:1.5em"></p><p style="min-height:1.5em">Preferred Qualifications:</p><ul style="min-height:1.5em"><li><p style="min-height:1.5em">Experience working with foreign function interfaces to call rust and C++ from the JVM</p></li><li><p style="min-height:1.5em">Experience with Kotlin for backend programming and have an allergy to monolithic frameworks and ORMs</p></li><li><p style="min-height:1.5em">Experience with TypeScript and React to create complex user interfaces</p></li><li><p style="min-height:1.5em">A love of astronomy, physics, and science</p></li></ul><p style="min-height:1.5em"></p><p style="min-height:1.5em">What We Offer:</p><ul style="min-height:1.5em"><li><p style="min-height:1.5em">Competitive salary and comprehensive benefits package.</p></li><li><p style="min-height:1.5em">Cutting-edge projects in a highly innovative environment.</p></li><li><p style="min-height:1.5em">A culture that values collaboration, inclusion, and professional growth.</p></li></ul><p style="min-height:1.5em"></p><p style="min-height:1.5em">Application Process:</p><p style="min-height:1.5em">Interested candidates should submit a resume, and any relevant work samples/portfolio.</p><p style="min-height:1.5em"></p><p style="min-height:1.5em">Observable Space is an equal opportunity employer committed to diversity and inclusion in the workplace. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, national origin, age, disability, genetics, or any other basis protected by federal, state, or local law.</p>

Staff Software Engineer - Fullstack

Staff Software Engineer

8+ years in software engineering; 2–3 years in staff/principal/lead roles; strong in Java/Kotlin/C++/C#; data modeling with RDBMS/ETL; TDD; experience in distributed systems and reactive frontend; ability to lead and influence engineering standards.

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