Browse job opportunities for java developers in los angeles.

Sigmoid Analytics is a leading Data solutions company backed by Sequoia Capital. We offer the best in- end-to-end data value chain spanning across Data Science, Data Engineering and Data Ops. With data and technology at the core of our solutions, we are solving some of the toughest problems out there. Our culture is modelled around expertise and mutual respect with a team first mindset. You&#x27;ll work with teams that push the boundaries of what-is-possible and build solutions that energize and inspire. Offices: USA | India | United Kingdom | Netherlands | Poland | Canada | Singapore The below role is for our Bengaluru office. Job Title: Java Developer Location: Bangalore, India Experience: 3.5 – 6 years Role Overview: We are seeking a skilled Java Developer with strong expertise in Java, Spring Boot, microservices, and low-level design to join our dynamic team in Bangalore. The ideal candidate will play a critical role in designing, developing, and maintaining scalable and high-performance backend services. Key Responsibilities: ● Design, develop, and maintain Java-based applications with a focus on microservices architecture. ● Build scalable and robust RESTful APIs using Spring Boot. ● Collaborate with cross-functional teams to understand requirements and deliver technical solutions. ● Participate in low-level design discussions and create detailed technical documentation. ● Ensure code quality through unit testing, code reviews, and best practices. ● Troubleshoot and resolve performance issues and bugs. ● Continuously improve system architecture and engineering processes. Required Skills and Experience: ● 3.5 to 6 years of professional experience in Java development. ● Strong proficiency in core Java concepts and multi-threading. ● Hands-on experience with Spring Boot and building microservices. ● Experience in low-level system design and architecture. ● Experience with cloud platforms such as AWS, Azure, or GCP. ● Good understanding of RESTful API design principles. ● Familiarity with database systems (SQL and NoSQL). ● Experience with version control tools like Git. ● Excellent problem-solving and communication skills. ● Ability to work independently and collaboratively in a team environment. Why Join Sigmoid? ● Opportunity to work on cutting-edge technologies in data and analytics. ● Collaborative and inclusive work culture. ● Competitive salary and growth opportunities.

-edge technologies in data and analytics. ● collaborative and inclusive work culture. ● competitive salary and growth opportunities

Java Developer

Java Developer - Hedge Fund - London A Global systematic hedge fund (managing over $7 bn in assets) are looking to hire a Java developer to join their Software Development team. In this role, you will be working with their trading systems and making an impact from day one. Job Requirements 3-5 years of experience in Software development Expert level Java development skills Professional knowledge of Concurrency and Low latency Bachelors degree in CompSci maths or physics (or related field) Bonus: Experience working in a hedge fund or banking.

Java Software Engineer

About PhonePe Limited: Headquartered in India, its flagship product, the PhonePe digital payments app, was launched in Aug 2016. As of April 2025, PhonePe has over 60 Crore (600 Million) registered users and a digital payments acceptance network spread across over 4 Crore (40+ million) merchants. PhonePe also processes over 33 Crore (330+ Million) transactions daily with an Annualized Total Payment Value (TPV) of over INR 150 lakh crore. PhonePe’s portfolio of businesses includes the distribution of financial products (Insurance, Lending, and Wealth) as well as new consumer tech businesses (Pincode - hyperlocal e-commerce and Indus AppStore Localized App Store for the Android ecosystem) in India, which are aligned with the company’s vision to offer every Indian an equal opportunity to accelerate their progress by unlocking the flow of money and access to services. Culture: At PhonePe, we go the extra mile to make sure you can bring your best self to work, Everyday!. And that starts with creating the right environment for you. We empower people and trust them to do the right thing. Here, you own your work from start to finish, right from day one. PhonePe-rs solve complex problems and execute quickly; often building frameworks from scratch. If you’re excited by the idea of building platforms that touch millions, ideating with some of the best minds in the country and executing on your dreams with purpose and speed, join us! Challenges Building for Scale, Rapid Iterative Development, and Customer-centric Product Thinking at each step defines every day for a developer at PhonePe. Though we engineer for a 500 Million+ strong user base, we code with every individual user in mind. While we are quick to adopt the latest in Engineering, we care utmost for security, stability, and automation. Apply if you want to experience the best combination of passionate application development and product-driven thinking. Role &amp; Responsibilities Build Robust and scalable web-based applications. You will need to think of platforms &amp; reuse. Build abstractions and contracts with separation of concerns for a larger scope. Drive problem-solving skills for high-level business and technical problems. Do high-level design with guidance; Functional modelling, break-down of a module. Do incremental changes to architecture: impact analysis of the same. Do performance tuning and improvements in large scale distributed systems. Mentor young minds and foster team spirit, break down execution into phases to bring predictability to overall execution. Work closely with Product Manager to derive capability views from features/solutions, Lead execution of medium-sized projects. Work with broader stakeholders to track the impact of projects/features and proactively iterate to improve them. Requirements- 4+ years of experience in the art of writing code and solving problems on a Large Scale (FinTech experience preferred). B.Tech, M.Tech, or Ph.D. in Computer Science or related technical discipline (or equivalent). Excellent coding skills – should be able to convert the design into code fluently. Experience in at least one general programming language (e.g. Java, C, C++) &amp; tech stack to write maintainable, scalable, unit-tested code. Experience with multi-threading, concurrency programming, object-oriented design skills, knowledge of design patterns, and huge passion and ability to design intuitive modules, class-level interfaces and knowledge of Test driven development. Good understanding of databases (e.g. MySQL) and NoSQL (e.g. HBase, Elasticsearch, Aerospike, etc). Experience in full life cycle development in any programming language on a Linux platform and building highly scalable business applications, which involve implementing large complex business flows and dealing with a huge amount of data. Strong desire for solving complex and interesting real-world problems. Go-getter attitude that reflects in energy and intent behind assigned tasks An open communicator who shares thoughts and opinions frequently listens intently and takes constructive feedback. Ability to drive the design and architecture of multiple subsystems. Ability to break-down larger/fuzzier problems into smaller ones in the scope of the product Understanding of the industry’s coding standards and an ability to create appropriate technical documentation. PhonePe Full Time Employee Benefits (Not applicable for Intern or Contract Roles) Insurance Benefits - Medical Insurance, Critical Illness Insurance, Accidental Insurance, Life Insurance Wellness Program - Employee Assistance Program, Onsite Medical Center, Emergency Support System Parental Support - Maternity Benefit, Paternity Benefit Program, Adoption Assistance Program, Day-care Support Program Mobility Benefits - Relocation benefits, Transfer Support Policy, Travel Policy Retirement Benefits - Employee PF Contribution, Flexible PF Contribution, Gratuity, NPS, Leave Encashment Other Benefits - Higher Education Assistance, Car Lease, Salary Advance Policy Our inclusive culture promotes individual expression, creativity, innovation, and achievement and in turn helps us better understand and serve our customers. We see ourselves as a place for intellectual curiosity, ideas and debates, where diverse perspectives lead to deeper understanding and better quality results. PhonePe is an equal opportunity employer and is committed to treating all its employees and job applicants equally; regardless of gender, sexual preference, religion, race, color or disability. If you have a disability or special need that requires assistance or reasonable accommodation, during the application and hiring process, including support for the interview or onboarding process, please fill out this form. Read more about PhonePe on our blog . Life at PhonePe PhonePe in the news

ribution, gratuity, nps, leave encashment 
other benefits - higher education assistance, car lease, salary advance policy
our inclusive culture promotes individual expression, creativity, innovation, and achievement and in turn helps us better understand and serve our customers

Software Engineer (Backend, 5-8 Years) - Financial Services

About PhonePe Limited: Headquartered in India, its flagship product, the PhonePe digital payments app, was launched in Aug 2016. As of April 2025, PhonePe has over 60 Crore (600 Million) registered users and a digital payments acceptance network spread across over 4 Crore (40+ million) merchants. PhonePe also processes over 33 Crore (330+ Million) transactions daily with an Annualized Total Payment Value (TPV) of over INR 150 lakh crore. PhonePe’s portfolio of businesses includes the distribution of financial products (Insurance, Lending, and Wealth) as well as new consumer tech businesses (Pincode - hyperlocal e-commerce and Indus AppStore Localized App Store for the Android ecosystem) in India, which are aligned with the company’s vision to offer every Indian an equal opportunity to accelerate their progress by unlocking the flow of money and access to services. Culture: At PhonePe, we go the extra mile to make sure you can bring your best self to work, Everyday!. And that starts with creating the right environment for you. We empower people and trust them to do the right thing. Here, you own your work from start to finish, right from day one. PhonePe-rs solve complex problems and execute quickly; often building frameworks from scratch. If you’re excited by the idea of building platforms that touch millions, ideating with some of the best minds in the country and executing on your dreams with purpose and speed, join us! About PhonePe Our goal is to make digital payments so easy, safe and universally accepted that people never feel the need to carry cash or cards again. We believe India is at the cusp of a new mobile revolution, which will change the way we manage our money on the go. We see ourselves as facilitating this change, through technology and dogged customer centricity. At PhonePe, we take extra care to make sure you give your best at work, everyday! And creating the right environment for you is just one of the things we do. We empower people and trust them to do the right thing. Here, you own your work from start to finish, right from day one. Being enthusiastic about tech is a big part of being at PhonePe. If you like building technology that impacts millions, ideating with some of the best minds in the country and executing on your dreams with purpose and speed, join us! Job Description Role As a Engineer in Quality ): You own and maintain the quality of large features / products / services, including their end user experience and impact. You take complete ownership of their quality process and metrics, across all releases. You are able to independently define the execution path for your area of work. You account for external dependencies in your plan and prioritize across multiple conflicting tasks / issues to plan for timelines. You establish predictability and notify stakeholders about any delays, changes in release cycles, sprint plan etc. during execution. You are able to lead people into the change by evangelizing the need of it, thinking logically and creating credible arguments. You collaborate and build good working relationships with peers and other team members. You leverage your expertise within a specific area to understand the various components of the problem and solve them logically. You are able to deliver solutions, despite not having all the possible pieces of information and are able to manage unanticipated changes. You effectively cope with change and shift gears comfortably. You are able to break medium sized stories/sub features testing into smaller testing tasks. You identify bottlenecks in run time and are able to eliminate the same. Minimum Qualifications BTech, MTech, or PhD in Computer Science or related technical discipline (or equivalent). Strong organizational and problem solving skills with great attention to detail, critical thinking, debugging, solid communication, with the ability to track multiple test executions simultaneously and report results. 5 + years of software development and testing experience with strong people management skills. Experience in Automation for UI ,Mobile application, API, Web and Performance ( Espresso, XCUITest, Appium, Selenium, Rest-Assured &amp; Locust). Experience working with, customizing, and extending test automation frameworks. Strong coding skills, proficient in at least one object-oriented programming or scripting language (e.g. Java, Python,Swift). Experience in testing mobile apps in iOS, Android OS and test automation. Exposure to Performance or any other Non-Functional testing. Knowledge of test methodology and tools, software testing standards, methods and conventions, build systems, and the product development cycle. Experience with one or more continuous integration tools (e.g. Jenkins), version control systems (e.g. Git). Shows creativity and initiative to improve product test coverage and effectiveness. Willingness and flexibility to switch between multiple high priority assignments. Exposure to DevOps tech stack like Docker, Jenkins, Mesos &amp; Marathon. PhonePe Full Time Employee Benefits (Not applicable for Intern or Contract Roles) Insurance Benefits - Medical Insurance, Critical Illness Insurance, Accidental Insurance, Life Insurance Wellness Program - Employee Assistance Program, Onsite Medical Center, Emergency Support System Parental Support - Maternity Benefit, Paternity Benefit Program, Adoption Assistance Program, Day-care Support Program Mobility Benefits - Relocation benefits, Transfer Support Policy, Travel Policy Retirement Benefits - Employee PF Contribution, Flexible PF Contribution, Gratuity, NPS, Leave Encashment Other Benefits - Higher Education Assistance, Car Lease, Salary Advance Policy Our inclusive culture promotes individual expression, creativity, innovation, and achievement and in turn helps us better understand and serve our customers. We see ourselves as a place for intellectual curiosity, ideas and debates, where diverse perspectives lead to deeper understanding and better quality results. PhonePe is an equal opportunity employer and is committed to treating all its employees and job applicants equally; regardless of gender, sexual preference, religion, race, color or disability. If you have a disability or special need that requires assistance or reasonable accommodation, during the application and hiring process, including support for the interview or onboarding process, please fill out this form. Read more about PhonePe on our blog . Life at PhonePe PhonePe in the news

Software Engineer-Test

Job Overview We are looking for a talented Back-End Developer to help us with our growing needs. Your ability to create scalable, maintainable, and performant software is critical to the entire company&#x27;s success. We are looking for team players who can deliver imaginative solutions under real deadline constraints. You will be a part of a team of professionals who are dedicated to the same mission. We push each other, learn from each other, and strive to grow continually. Responsibilities: Writing clean, well-organized, testable, and reusable code Continue to improve our existing product with new ideas and fine-tuning/adjusting our platform Produce clean, reliable code that you test before pushing Identifying and addressing performance bottlenecks with other engineers to consistently improve performance Ability to be occasionally on call Take direction from the Senior Software Engineer on features, while working with the Team to ensure the technical aspects fit our technical goals Required Qualifications and Experience: 7+ years (4+ years for Intermediate) of Java developer experience with from-scratch systems - comfortable without an established and documented framework. 5+ years (2+ years for Intermediate) of experience working with databases (Snowflake experience is plus, PostgreSQL, MySQL). Solid understanding of the inner workings of indexes, and optimization. Strong SQL skills Strong, proven track record of OOP &amp; REST design principals Basic knowledge of Networking/Protocols Basic knowledge of encryption Java 8+ / Sprint / Spring Boot / Hibernate / Strut / JPA and Maven Kafka, Redis, ActiveMQ experience is a plus Demonstrated experience working with a team to deliver software Possess the passion to design, build and polish innovative applications Client / Server development experience Linux based servlet containers and web servers Linux shell scripting and remote management via SSH Git / BitBucket Bachelor&#x27;s / Master’s degree (or equivalent experience) Nice to Have: Gaming experience (Payment, Game integration, KYC) Stripes framework experience is a plus Experience writing distributed systems in a Cloud Computing environment such as AWS strongly preferred Java 17 experience Mockito experience Working knowledge of Docker / Kubernetes Experience with contest-logic programming, sports, gaming, etc. Snowflake / PostgreSQL / MySQL issue tracking and performance tuning Proven experience in a high traffic / high demand environment Experience solving bottleneck issues with code, via optimization of logic or threading

Back End Developer

<div class='"content-intro"'>About BitMEX BitMEX stands as a globally leading exchange for crypto derivatives, offering traders a professional-grade trading platform. Since its inception in 2014, BitMEX has maintained an impeccable security record with “no coin lost, ever!”. Our platform caters to cryptocurrency derivatives traders by providing low latency, deep liquidity, and maximum availability. Currently, BitMEX offers more than 100 derivatives contracts, 16 pairs for spot trading, and an easy covert function between 30+ different cryptocurrencies. In 2015, BitMEX revolutionised the market by inventing the Perpetual Swap, which has since become the most widely traded crypto product. Demonstrating a commitment to transparency, since 2021, BitMEX has been among the first exchanges to regularly publish its on-chain Proof of Reserves and Proof of Liabilities, ensuring that the funds available exceed the total client balances." For more information on BitMEX, company initiatives and our products, please visit the <a href="#">BitMEX Blog</a> or <a href="#">www.bitmex.com</a>, and follow <a href="#">LinkedIn</a>, <a href="#">Discord</a>, <a href="#">Telegram</a> and <a href="#">X</a>.</div>Overview The Trading Engine sits at the core of the BitMEX platform and handles all brokerage and trading aspects. The Trading Engine team is responsible for order management, risk management, position keeping, PNL calculations, market data distribution, order matching, and settlement. We are building a best-in-class engineering team to help us scale the BitMEX trading platform to millions of users and millions of transactions per second, and grow an innovative set of new products. We are looking for strong technologists to join our lean core team with a keen interest in building the next generation of electronic trading systems. Key Responsibilities <ul style=""> <li style="">Ownership in the design, development and delivery of trading system components</li> <li style="">New feature implementation, bug fixing, and performance tuning</li> <li style="">Partner with Financial Products and quantitative researchers on product delivery</li> <li style="">Mentor team members and drive firm initiatives</li> </ul> Requirements <ul style=""> <li style="">8+ years programming experience writing high-performance Java applications</li> <li style="">Bachelor's degree in a Computer Science or similar STEM discipline</li> <li style="">Experience in a related industry, such within a Hedge Fund, Investment Bank, or an Exchange developing financial trading applications</li> <li style="">Understanding of the modern software development fundamentals and testing practises inclusive of TDD and BDD</li> <li style="">Understanding of design patterns and object-oriented programming such as SOLID, with in-depth understanding of algorithms and their complexities </li> <li style="">Understanding of the Java Memory Model and concurrency in practise</li> <li style="">Demonstrable analytical and problem solving skills, with an ability to break larger problems down and turning complex problems into simpler abstractions</li> <li style="">Genuine passion for software development, and a keen lifetime learner who puts quality over quantity</li> </ul> Nice to have <ul style=""> <li style="">Experience in development of execution algos and risk management systems</li> <li style="">Finance knowledge in FX/Crypto spot and derivatives markets</li> <li style="">Basic understanding of mathematics</li> <li style="">Working knowledge of the KDB/q language </li> <li style="">Working knowledge of containerisation using Docker/Kubernetes </li> <li style="">Experience with REST/WS, FIX or any other financial protocols</li> </ul> Why BitMEX? BitMEX offers a dynamic environment that blends intense work, a vibrant culture, and diversity. We actively recruit across time zones to meet growing demands and attract top global talent. We're seeking determined, responsible, and collaborative individuals to join us in building a leading cryptocurrency ecosystem. We value meticulousness, agility, and simplicity. As a 24/7 global exchange, we look for adaptable team players who can excel in a diverse, cross-market environment. We provide flexible arrangements to our remote contract talents with: <ul style=""> <li style="">Work from home to help you find the perfect balance between work, family and personal life</li> <li style="">Paid holidays and leave so you won’t miss out any important events</li> <li style="">Team building &amp; offsite events to bring our global team closer</li> <li style="">Don’t forget the advantage of our Beyond Border Remote Working policy, where you get to work away from your home country</li> <li style="">Option to choose to be paid in fiat or crypto currency, providing the flexibility to shape your financial freedom</li> </ul> #LI-CH1<div class='"content-conclusion"'>Does this sound like the type of working culture you can thrive in? Apply online now!</div>

java Jobs in los angeles

Java Developer

Java Software Engineer

Software Engineer (Backend, 5-8 Years) - Financial Services

Software Engineer-Test

Back End Developer

Quantitative Developer