Java Backend Developer Jobs

About Us Twitch is the world’s biggest live streaming service, with global communities built around gaming, entertainment, music, sports, cooking, and more. It is where thousands of communities come together for whatever, every day. We’re about community, inside and out. You’ll find coworkers who are eager to team up, collaborate, and smash (or elegantly solve) problems together. We’re on a quest to empower live communities, so if this sounds good to you, see what we’re up to on LinkedIn and X , and discover the projects we’re solving on our Blog . Be sure to explore our Interviewing Guide to learn how to ace our interview process. About the Role Join Twitch’s Memberships team within the Commerce Engineering organization, where we’re building rewarding experiences allowing creators to make a living doing what they love. We’re the team behind our continuous patronage features including channel Subscriptions, Gifting, and Turbo. As a member of our team, you’ll work alongside our highly engaged and collaborative team to design, build and maintain systems that scale to millions of concurrent users. We actively seek to improve our experiences and are looking for members that are passionate about our end users. Our team is based in San Francisco, CA and Seattle, WA. You Will: Create interactive experiences that are rewarding for both viewers and creators Architect and build robust, scalable applications that can handle millions of concurrent users Participate in Operational Excellence work to maintain and support our live services Collaborate with fellow engineers, product managers and designers to build new products and solutions You Have: 1+ years of professional software development experience with a focus on building scalable systems Excellent proficiency in modern programming languages (Python, Java, Go) and distributed system technologies A track record of building product experiences that users love Sharp proble

Perforce is a community of collaborative experts, problem solvers, and possibility seekers who believe work should be both challenging and fun. We are proud to inspire creativity, foster belonging, support collaboration, and encourage wellness. At Perforce, you’ll work with and learn from some of the best and brightest in business. Before you know it, you’ll be in the middle of a rewarding career at a company headed in one direction: upward. With a global footprint spanning more than 80 countries and including over 75% of the Fortune 100, Perforce Software, Inc. is trusted by the world’s leading brands to deliver solutions for the toughest challenges. The best run DevOps teams in the world choose Perforce. Position Summary Perforce is looking for a Senior Software Engineer to join the Akana Sola team. Sola is Akana's mainframe API enablement product, exposing COBOL, CICS, and IMS/DB2 assets as REST/SOAP APIs. This is a genuine growth opportunity: mainframe skills are increasingly rare and highly valued, and this role is built for an engineer with a strong Java/API foundation who wants to develop a differentiated, in-demand specialization in mainframe technologies. You'll work directly with, and be mentored by, senior engineers on a small, highly specialized team maintaining a product that supports mission-critical customer applications. We work in an agile product development process with core values of results, teamwork, ownership, quality of work, problem solving, and service to customers. Responsibilities Mainframe & Legacy Systems – Growth Track (Mentorship & Training Provided) These skills will be developed on the job under mentorship from our senior mainframe engineers. Any prior exposure is a strong plus, but eagerness to learn matters more than existing depth. COBOL - the primary language, by volume, behind the legacy Sola runtime that all customers rely on. CICS application development, as

Here at Appian, our values of Intensity and Excellence define who we are. We set high standards and live up to them, ensuring that everything we do is done with care and quality. We approach every challenge with ambition and commitment, holding ourselves and each other accountable to achieve the best results. When you join Appian, you’ll be part of a passionate team dedicated to accomplishing hard things, together. Senior Consultant Location: Chennai, India | Work Model: In Office Appian Customer Success is obsessed with delivering exceptional customer outcomes and driving mission-critical business impact. Grounded in our core values of Excellence and Intensity, we act as elite technical advisors to our commercial clients. By joining this high-performance team, you will champion a culture of candid communication and excellence while accelerating global adoption of our AI-Powered Process Automation platform. What You’ll Do Implement Scalable Platform Architecture: Build and maintain standards and tools to ensure high performance and resilience with a focus on reusability, schema design, data modeling , query performance, and responsive UX/UI best practices. Engineered Integrations: Perform hands-on design, code implementation, and unit testing using SQL views , stored procedures , and high-concurrency REST/SOAP web services/APIs . System-Level Troubleshooting: Rapidly diagnose performance bottlenecks, memory usage, CPU constraints, and network latency spikes across the web application stack. Performance Profiling & Analysis: Analyze database execution plans, system logs, and Locust load test outputs to isolate and resolve root-cause performance bottlenecks. Technical Quality & Enablement: Ensure continuous integration and delivery alignment by applying strong DevSecOps practices, robust automated testing, and clean coding standards. Required Qualifications Bachelor’s Degree in Computer Science, Engineering, Information Systems, or Mathematics. 8+ years of pro

About Us At Cloudflare, we are on a mission to help build a better Internet. Today the company runs one of the world’s largest networks that powers millions of websites and other Internet properties for customers ranging from individual bloggers to SMBs to Fortune 500 companies. Cloudflare protects and accelerates any Internet application online without adding hardware, installing software, or changing a line of code. Internet properties powered by Cloudflare all have web traffic routed through its intelligent global network, which gets smarter with every request. As a result, they see significant improvement in performance and a decrease in spam and other attacks. Cloudflare was named to Entrepreneur Magazine’s Top Company Cultures list and ranked among the World’s Most Innovative Companies by Fast Company. At Cloudflare, we’re not looking for people who wait for a polished roadmap; we’re looking for the builders who see the cracks in the Internet that everyone else has simply learned to live with. We value candidates who have the instinct to spot a "normalized" problem and the AI-native curiosity to create a solution using the latest tools. Our culture is built on iteration, leveraging AI to ship faster today to make it better tomorrow, while ensuring that every improvement, no matter how small, is shared across the team to lift everyone up. If you’re the type of person who values curiosity over bureaucracy, and that AI is a partner in solving tough problems to keep the Internet moving forward, you’ll fit right in. Available Location: Canberra , Australia About the Role At Cloudflare, we are on a mission to help build a better Internet. As the architectural complexity of enterprise solutions scales, we are evolving how we partner with our customers. The Customer Engineer (CE) represents the core driver of our technical go-to-market strategy: a trusted advisor who owns the technical relationship from the initial discovery phase through to long-term adoption and ong

Software Product Manager Graduate Roles - HP Solutions (HPS) Description - T h e following posting is a pipeline requisition, meant to accumulate candidates for 2026 & 2027 . Qualified applicants will be contacted in concert with the approval and publication of identical, approved positions within HP, Inc . HP occasionally offers work authorization sponsorship for critical need roles. However, this opportunity currently does not offer work authorization sponsorship and HP will not provide any assistance or sign documentation in support of immigration sponsorship including Optional Practical Training (OPT). About Us Innovation is in HP’s DNA. From our origins in a Palo Alto garage in 1939, to our current position as one of the world’s leading technology companies, HP has grown to become a leader in technology and corporate culture, inspiring innovators, and entrepreneurs around the globe. HP brings together a portfolio that spans printing, personal computing, software and services to serve more than 1 billion customers in over 170 countries. We are committed to fostering a diverse and inclusive workplace that attracts exceptional talent and to supporting our employees to succeed at all levels. We dream in over 35 languages and share one mission: to engineer experiences that amaze. The Program: Our future success depends on the innovation and fresh ideas you bring to HP, Inc. We are hiring students and new graduates with a diverse set of skills and experiences to join us, across the different organizations that make us HP, Inc. Our new grad program is intended to help you learn and grow at HP, give you an opportunity to make an impact, and work with leading edge technology. At HP, yo

Who we are About Stripe Stripe is a financial infrastructure platform for businesses. Millions of companies—from the world’s largest enterprises to the most ambitious startups—use Stripe to accept payments, grow their revenue, and accelerate new business opportunities. Our mission is to increase the GDP of the internet, and we have a staggering amount of work ahead. That means you have an unprecedented opportunity to put the global economy within everyone’s reach while doing the most important work of your career. About the team The Solutions Architecture Team partners with our users to realize their full potential through the adoption of prescriptive solutions that drive their growth and success. We influence revenue growth across Stripe’s product portfolio, and collaborate with sales, support, product management, and Stripe’s executive team to provide the best experience to our most valued customers. What you’ll do As a member of the team, the Solutions Architect will build highly consultative trusted relationships with C-level executives and technical decision makers in the customer’s organization to provide business and technical thought leadership, and become a trusted advisor in solving mission-critical business challenges. You'll architect business models with them so they can drive new monetization opportunities and growth for both the user and Stripe. Responsibilities Be a key member of a Stripe account team with deep involvement in defining the customer strategy Identify and close new complex opportunities, and accelerate solution adoption. Understand and align with the customer’s product and business roadmap and uncover opportunities for Stripe to accelerate their progress on that roadmap. Drive thought leadership and be a trusted advisor for key business and technical stakeholders including CIO, CTO, COO, CRO, CDO, Head of Product Engineering and Head of Payments. Work to deeply understand the customer’s business objectives, and t

Location : Barcelona, Berlin or Hamburg Join our innovative team as a Senior CRM Tech Manager, where you will drive the implementation, maintenance, and optimization of our CRM platform across Rider, Driver and B2B in 9 markets. As a key member of the CRM team, reporting directly to the Head of CRM, you’ll collaborate across marketing, operations and data functions to ideate and deliver high-quality, data-driven marketing automations and other solutions that enhance customer engagement and support our business growth. YOUR DAILY ADVENTURES WILL INCLUDE: Drive the technical design, implementation, optimization, and scalability of CRM systems. Collaborate with marketing, product and engineering teams, ensuring technical CRM solutions align with business goals. Develop and maintain our CRM infrastructure, including automating workflows, integrations, and personalization that drive efficiency. Ensure data quality, integrity, and compliance through audits and analysis. Troubleshoot CRM performance issues and optimize system functionality. Analyze CRM data to generate insights and recommendations. Manage technical vendors and maintain system documentation. Develop in-app messages and email templates using HTML, CSS, and JavaScript. Write SQL and Python scripts for segmentation and ETL processes. Our MarTech stack : Braze | Tableau | Mixpanel & more TO BE SUCCESSFUL IN THIS ROLE: Bachelor's degree in Information Technology, Computer Science, Business, or a related field. Minimum 3+ years of multi-country CRM experience, ideally in ride-hailing, mobility, or food delivery. Self-learner with hands-on experience configuring, customizing and optimizing CRM platforms, particularly Braze and for mobile applications. Proficiency in SQL, HTML, CSS, and JavaScript for CRM automation and customization. Strong analytical and problem-solving skills with a data-driven mindset. Experience with API integrations and understanding of data structures and microservices. Ability to c

Location : Barcelona, Berlin or Hamburg Join our innovative team as a Senior CRM Tech Manager, where you will drive the implementation, maintenance, and optimization of our CRM platform across Rider, Driver and B2B in 9 markets. As a key member of the CRM team, reporting directly to the Head of CRM, you’ll collaborate across marketing, operations and data functions to ideate and deliver high-quality, data-driven marketing automations and other solutions that enhance customer engagement and support our business growth. YOUR DAILY ADVENTURES WILL INCLUDE: Drive the technical design, implementation, optimization, and scalability of CRM systems. Collaborate with marketing, product and engineering teams, ensuring technical CRM solutions align with business goals. Develop and maintain our CRM infrastructure, including automating workflows, integrations, and personalization that drive efficiency. Ensure data quality, integrity, and compliance through audits and analysis. Troubleshoot CRM performance issues and optimize system functionality. Analyze CRM data to generate insights and recommendations. Manage technical vendors and maintain system documentation. Develop in-app messages and email templates using HTML, CSS, and JavaScript. Write SQL and Python scripts for segmentation and ETL processes. Our MarTech stack : Braze | Tableau | Mixpanel & more TO BE SUCCESSFUL IN THIS ROLE: Bachelor's degree in Information Technology, Computer Science, Business, or a related field. Minimum 3+ years of multi-country CRM experience, ideally in ride-hailing, mobility, or food delivery. Self-learner with hands-on experience configuring, customizing and optimizing CRM platforms, particularly Braze and for mobile applications. Proficiency in SQL, HTML, CSS, and JavaScript for CRM automation and customization. Strong analytical and problem-solving skills with a data-driven mindset. Experience with API integrations and understanding of data structures and microservices. Ability to c

Secure Every Identity, from AI to Human Identity is the key to unlocking the potential of AI. Okta secures AI by building the trusted, neutral infrastructure that enables organizations to safely embrace this new era. This work requires a relentless drive to solve complex challenges with real-world stakes. We are looking for builders and owners who operate with speed and urgency and execute with excellence. This is an opportunity to do career-defining work. We're all in on this mission. If you are too, let's talk. About the Team The Professional Services R&D team is a new, dynamic group at the forefront of innovation within Okta. Our mission is to design and build reusable, scalable assets and tools that empower our delivery teams and partners. By making customer engagements more efficient, streamlined, and cost-effective, we directly contribute to our customers' success and accelerate their time-to-value with Okta. This is a unique opportunity to join a strategic team from the ground up and shape the future of Okta's professional services. Position Summary As a QA Automation Engineer, you will be a critical guardian of quality for the R&D team. You will be responsible for designing, building, and maintaining the automated testing frameworks that ensure our reusable assets are robust, reliable, and bug-free. You will embed a "quality-first" mindset within the team, working closely with developers to implement comprehensive test strategies and integrate them into our CI/CD pipeline. Your work will directly ensure that the tools we provide to our field teams and partners are trusted and effective. Responsibilities Design, develop, and maintain scalable and reliable automated test frameworks for UI, API, and performance testing. Write and execute automated test cases to ensure comprehensive test coverage for all developed assets. Integrate automated testing into the CI/CD pipeline to enable continuous delivery and rapid feedback. Work closely with developers and

Secure Every Identity, from AI to Human Identity is the key to unlocking the potential of AI. Okta secures AI by building the trusted, neutral infrastructure that enables organizations to safely embrace this new era. This work requires a relentless drive to solve complex challenges with real-world stakes. We are looking for builders and owners who operate with speed and urgency and execute with excellence. This is an opportunity to do career-defining work. We're all in on this mission. If you are too, let's talk. Identity is the key to unlocking the potential of AI. Okta secures AI by building the trusted, neutral infrastructure that enables organizations to safely embrace this new era. This work requires a relentless drive to solve complex challenges with real-world stakes. We are looking for builders and owners who operate with speed and urgency and execute with excellence. This is an opportunity to do career-defining work. We're all in on this mission. If you are too, let's talk. Okta's Identity Governance (OIG) organization is looking for a Staff Full Stack Engineer to join our Identity Administration team — a team that is directly responsible for one of the most critical and visible workflows in enterprise identity: how employees request, approve, and gain access to the resources they need. Opportunity As a Staff Engineer on the OIG Identity Administration team, you will be involved in development, design, and maintenance of our product to serve enterprise customers at scale. You will involve the development and evolution of our product features — spanning the across different identity entities and personas — and work collaboratively across engineering, product, and design to deliver features that are secure, scalable, and delightful to use. This is a role for someone who thinks in systems, leads with craft, and is energized by the challenge of building enterprise-grade software that millions of users depend on. This is a rare opportunity to join a team w

About Us At Cloudflare, we are on a mission to help build a better Internet. Today the company runs one of the world’s largest networks that powers millions of websites and other Internet properties for customers ranging from individual bloggers to SMBs to Fortune 500 companies. Cloudflare protects and accelerates any Internet application online without adding hardware, installing software, or changing a line of code. Internet properties powered by Cloudflare all have web traffic routed through its intelligent global network, which gets smarter with every request. As a result, they see significant improvement in performance and a decrease in spam and other attacks. Cloudflare was named to Entrepreneur Magazine’s Top Company Cultures list and ranked among the World’s Most Innovative Companies by Fast Company. At Cloudflare, we’re not looking for people who wait for a polished roadmap; we’re looking for the builders who see the cracks in the Internet that everyone else has simply learned to live with. We value candidates who have the instinct to spot a "normalized" problem and the AI-native curiosity to create a solution using the latest tools. Our culture is built on iteration, leveraging AI to ship faster today to make it better tomorrow, while ensuring that every improvement, no matter how small, is shared across the team to lift everyone up. If you’re the type of person who values curiosity over bureaucracy, and that AI is a partner in solving tough problems to keep the Internet moving forward, you’ll fit right in. Available Locations Singapore About the Role At Cloudflare, we are on a mission to help build a better Internet. As the architectural complexity of enterprise solutions scales, we are evolving how we partner with our customers. The Customer Engineer (CE) represents the core driver of our technical go-to-market strategy: a trusted advisor who owns the technical relationship from the initial discovery phase through to long-term adoption and ongoing

About Us At Cloudflare, we are on a mission to help build a better Internet. Today the company runs one of the world’s largest networks that powers millions of websites and other Internet properties for customers ranging from individual bloggers to SMBs to Fortune 500 companies. Cloudflare protects and accelerates any Internet application online without adding hardware, installing software, or changing a line of code. Internet properties powered by Cloudflare all have web traffic routed through its intelligent global network, which gets smarter with every request. As a result, they see significant improvement in performance and a decrease in spam and other attacks. Cloudflare was named to Entrepreneur Magazine’s Top Company Cultures list and ranked among the World’s Most Innovative Companies by Fast Company. At Cloudflare, we’re not looking for people who wait for a polished roadmap; we’re looking for the builders who see the cracks in the Internet that everyone else has simply learned to live with. We value candidates who have the instinct to spot a "normalized" problem and the AI-native curiosity to create a solution using the latest tools. Our culture is built on iteration, leveraging AI to ship faster today to make it better tomorrow, while ensuring that every improvement, no matter how small, is shared across the team to lift everyone up. If you’re the type of person who values curiosity over bureaucracy, and that AI is a partner in solving tough problems to keep the Internet moving forward, you’ll fit right in. Available Location: Beijing, China About the Role At Cloudflare, we are on a mission to help build a better Internet. As the architectural complexity of enterprise solutions scales, we are evolving how we partner with our customers. The Customer Engineer (CE) represents the core driver of our technical go-to-market strategy: a trusted advisor who owns the technical relationship from the initial discovery phase through to long-term adoption a

About Us At Cloudflare, we are on a mission to help build a better Internet. Today the company runs one of the world’s largest networks that powers millions of websites and other Internet properties for customers ranging from individual bloggers to SMBs to Fortune 500 companies. Cloudflare protects and accelerates any Internet application online without adding hardware, installing software, or changing a line of code. Internet properties powered by Cloudflare all have web traffic routed through its intelligent global network, which gets smarter with every request. As a result, they see significant improvement in performance and a decrease in spam and other attacks. Cloudflare was named to Entrepreneur Magazine’s Top Company Cultures list and ranked among the World’s Most Innovative Companies by Fast Company. At Cloudflare, we’re not looking for people who wait for a polished roadmap; we’re looking for the builders who see the cracks in the Internet that everyone else has simply learned to live with. We value candidates who have the instinct to spot a "normalized" problem and the AI-native curiosity to create a solution using the latest tools. Our culture is built on iteration, leveraging AI to ship faster today to make it better tomorrow, while ensuring that every improvement, no matter how small, is shared across the team to lift everyone up. If you’re the type of person who values curiosity over bureaucracy, and that AI is a partner in solving tough problems to keep the Internet moving forward, you’ll fit right in. Available Locations Philadelphia, PA About the Role At Cloudflare, we are on a mission to help build a better Internet. As the architectural complexity of enterprise solutions scales, we are evolving how we partner with our customers. The Customer Engineer (CE) represents the core driver of our technical go-to-market strategy: a trusted advisor who owns the technical relationship from the initial discovery phase through to long-term adoption and o

Who we are About Stripe At Stripe, you have an unprecedented opportunity to put the global economy within everyone’s reach. Stripe is a financial infrastructure platform for businesses. Millions of companies—from the world’s largest enterprises to the most ambitious startups—use Stripe to accept payments, grow their revenue, and accelerate new business opportunities. Our mission is to increase the GDP of the internet, and we have a staggering amount of work ahead. About the team The Solutions Architecture Team partners with our users to realize their full potential through the adoption of prescriptive solutions that drive their growth and success. We work with founders, C-level executives, finance leaders, product design and engineering teams at large global brands and platforms who are building financial services solutions with Stripe. We work closely with Account Executives, Professional Services, Customer Success Managers, Partners, Technical Account Managers Product, and Engineering teams to develop and execute on the account strategy for Stripe in market. What you’ll do Your mission is to uncover the deepest levels of customer pain and desired outcomes, going beyond surface-level requirements. By truly understanding their strategic business objectives, you will architect and tailor Stripe's solutions as the definitive answer to their most pressing challenges. You will be instrumental in mapping the customer's transformation journey, crafting future-state roadmaps and solution architectures that inherently factor in complex third-party integrations. Responsibilities Execute meticulous technical discovery, conducting in-depth business analysis and background research on customer operations, industry dynamics, and competitive landscapes to build a foundational understanding that informs every proposed solution. This goes beyond fact-finding; it's about understanding their "why." Lead strategic engagements, guiding APAC and Greater China users thr

About Goods & Services Goods & Services is a product design and engineering company. We solve mission-critical challenges for some of the world’s largest enterprises, with deep expertise in highly regulated industries—including life sciences and financial services . Our design-led approach allows us to apply cutting-edge capabilities in AI, Data and Hardware Engineering to companies of any size. Headquartered in the United States , we operate regional development centers in Mexico and the United Kingdom . This global footprint—anchored by our nearshore model—enables us to deliver at scale with the speed, efficiency, and cultural alignment our clients expect. At Goods and Services, we value diversity and are committed to creating an inclusive workplace where everyone can thrive. We are proud to be an Equal Opportunity Employer and welcome qualified applicants from all backgrounds. About the job Goods & Services is looking for a Senior Software Engineer in Test who will deep into the challenging problems, come up with the solutions, and build innovative features which transform customers’ experience and bring efficiency by applying in the software build and delivery process. What you’ll do: Work closely with the Test automation engineers and cross functional product owners to translate the acceptance criteria to technical documents to write the automation scripts and integrate it with Test Automation framework and CI/CD pipeline. Provide the progress status update to Project manager and reporting manager. Ensure you work in align with the given project schedule for you and the team. Ensure all the functional requirements, business process flows are understood, and tested on the test, UAT env in adherence with the Quality assurance process and procedure . What you’ll need: Bachelor’s degree in computer science or related field. 5+ years of experience in manual testing, automated testing and test plan preparation.