Senior Java Engineer Jobs

Celonis is the trusted platform to industrialize Enterprise AI. At our core is the Celonis Context Model — which combines process data, business knowledge, and intelligence into a living digital twin of the enterprise that AI can actually understand, turning AI's operational blind spots into operational clarity. World's leading companies trust Celonis and its global ecosystem of partners to make their AI agents, people, systems, and processes work together, achieving transformational outcomes. We believe there's a massive opportunity to unlock global productivity and sustainability by giving AI the context to understand how every business process really works. Join our mission to make processes work for people, companies, and the planet. The Team: You will be part of a team that owns the Process Query Engine which is an analytical database and our core product for process mining that enables our customers to interactively mine enterprise-sized data sets. In order to handle the strong growth of our customer base and their demands, we are continuously expanding our Engine domain and heavily invest in the performance and scalability of our engine. The Role: For the Core squad of our Process Query Engine team, we are looking for a Software Engineer with solid experience in system programming and the skills to build a highly parallelized and distributed database with modern C++ and Java. As part of a talented engineering team, you’ll develop and implement new concepts and algorithms for our Process Query Engine, take ownership of our solutions to increase reliability and performance, and drive initiatives to shape future innovations. The work you’ll do: Develop new concepts and algorithms for data management and query execution Challenge and benchmark our solutions using performance engineering principles Shape and contribute to our development and maintenance processes Communicate and coordinate with stakeholders and customers Take responsibility for the performance, sc

Our Purpose Mastercard powers economies and empowers people in 200+ countries and territories worldwide. Together with our customers, we’re helping build a sustainable economy where everyone can prosper. We support a wide range of digital payments choices, making transactions secure, simple, smart and accessible. Our technology and innovation, partnerships and networks combine to deliver a unique set of products and services that help people, businesses and governments realize their greatest potential. Title and Summary Senior software engineer Job Description Summary Overview: Provides support of applications software through programming, analysis, design, development and delivery of software solutions. Researches alternative technical solutions for changing business needs. Role: •Responsible for programming, testing, implementation, documentation, maintenance and support of systems application software in adherence with MasterCard standards, processes and best practices. •Develop high quality, secure, scalable software solutions based on technical requirements specifications and design artifacts within expected time and budget. •Research, create and evaluate technical solution alternatives for the business needs current and upcoming technologies and frameworks. •Perform feasibility studies, logic designs, detailed systems flowcharting, analysis of input-output flow, cost and time analysis. •Work with project team to meet scheduled due dates, while identifying emerging issues and recommending solutions for problems and independently perform assigned tasks, perform production incident management. Participate in on-call pager support rotation. •Document software programs per Software Development Best Practices. Follow MasterCard Quality Assurance and Quality Control processes. •Assist Seni

Why project44? At project44, we believe in better. We challenge the status quo because we know a better supply chain isn’t just possible—it’s essential. Better for our customers. Better for their business. Better for the world. With our Decision Intelligence Platform, Movement , we’re redefining how global supply chains operate. By transforming fragmented logistics data into real-time, AI-powered insights, we empower companies to connect instantly, see clearly, act decisively, and automate intelligently. Our Supply Chain AI enhances visibility, drives smarter execution, and unlocks next-gen applications that keep businesses moving forward. Headquartered in Chicago, IL with a 2nd HQ in Bengaluru, India we are powered by a diverse global team that is tackling the toughest logistics challenges with innovation, urgency, and purpose. If you’re driven to solve meaningful problems, leverage AI to scale rapidly, drive impact daily, and be part of a high-performance team – we should talk. Description: project44 is looking for a Senior Software Engineer - Backend to join our engineering team. You will work in a fast-paced Agile environment designing, building, and implementing best-in-class integrations to accelerate how project44 connects to the world’s logistics networks. Key accountabilities: What you’ll work on Design, build, and operate backend systems that power decision intelligence capabilities, using AI and analytics to help customers make informed, timely, and confident supply chain decisions Build services and workflows that reduce manual effort and enable action, empowering customers to collaborate more effectively with carriers and partners across the supply chain Own and modernize core platform services, such as identity and access management (IAM) and search infrastructure, ensuring they remain secure, scalable, and extensible as new decision intell

NVIDIA is transforming how the world uses AI, cloud, and accelerated computing, and trust is at the center of that mission. Our Attestation and Trust Services team builds the secure cloud services that show customers their NVIDIA platforms are healthy, resilient, and ready for their most important workloads. In this role, you help design and run services that sit at the intersection of hardware, security, and large-scale distributed systems. We partner closely with security, silicon, platform, and cloud teams to bring new ideas into reliable production services that people rely on every day. We care about building systems that last, supporting each other, and creating space for learning and experimentation. If you enjoy solving complex problems, keeping services running smoothly, and collaborating with teammates from many disciplines, we would love to talk with you! What you’ll be doing: Your main focus will be on building and managing our core attestation cloud services. Day-to-day responsibilities include crafting APIs and integrations, boosting reliability, and working alongside NVIDIA teams to convert hardware trust mechanisms and standards into production-ready solutions. You will contribute significantly to shaping how customers verify that NVIDIA platforms are secure and prepared for their workloads. Crafting and evolving attestation cloud services, APIs, and SDK/CLI integration points that confirm the integrity of NVIDIA platforms across data center, AI, networking, and partner environments. Improving reliability and operational maturity through SLOs/SLIs, alerting, runbooks, incident response, and safe rollout practices. Crafting resilient service behavior that handles dependency failures, caching challenges, regional issues, customer-side resilience needs, and graceful degradation. Architecting trust-material distribution for certificate status, re

Our Global Structure Deliveroo is now part of DoorDash, bringing together teams with even greater reach, scale, and ambition. Depending on your role, you may collaborate with teammates, systems, and leaders across DoorDash and Wolt. Together, we’re unlocking new possibilities as one global team. Senior Software Engineer - Android Join us in our mission to transform the way people shop and eat, where impact, innovation and growth drive everything we do. Our Engineering teams tackle complex technical challenges across a global, three-sided marketplace, building and scaling systems that serve millions of customers, riders and partners every day. From real-time logistics to resilient infrastructure and marketplace optimisation, we design, build and operate technology that powers Deliveroo’s growth at scale. We’re looking for a Senior Software Engineer - Android to join our London team. In this role, you’ll help us build and scale our world-class mobile applications, ensuring a seamless and high-performance experience for our global community of users. This role is based in our London office with a hybrid setup, typically 3 days in the office. Get to know our Engineering team — what drives us, how we work, and what you can expect. What You’ll Be Doing You’ll be joining the Consumer Tech team. We focus on the end-to-end journey of our customers—from the moment they open the app to the point their meal arrives—ensuring every interaction is intuitive, fast, and reliable. Here’s what your day-to-day might look like: Drive technical execution by designing, building, and scaling Android applications that handle complex, real-time interactions at a global scale. Lead architectural improvements and code reviews, ensuring the maintainability, visibility, and operational health of our mobile codebase. Partner with cross-functional disciplines (PMs, Experience Designers) to plan projects, assist with technical choices, and influence the team roadmap. Own large-scale features

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. The Agent Gateway Team The Agent Gateway team owns the identity-aware infrastructure that connects enterprise AI agents to the tools, data, and services their organizations authorize. Every call from Claude, Agentforce, Codex, and internal/homegrown agents to a resource flows through us. We enforce authorization, isolate credentials, mint the right token per target, and produce the audit trails that security teams rely on. We are early in a rapidly evolving space. The standards for agent identity (MCP, OAuth token exchange, DCR) are being built under our feet. Our roadmap includes hardening the data plane for on-premises customer deployments, extending policy semantics beyond tool-level allowlists, adding native support for Agent-to-Agent brokered delegation, and scaling to tenants with thousands of virtual MCP servers. The Senior Software Engineer Opportunity Okta is looking for a Senior Software Engineer to help build the Agent Gateway. You will own features and components across the data and control planes, turning technical designs and product requirements into reliable production systems. Working alongside staff engineers, you will implement token exchange, request routing, credential resolution, and policy evaluation as agent identity specifications evolve. This is a hands-on software development role at the intersection of product, security, and infrastructure. You will ship services that handle agentic traffic reliably and performantly at scale. Wha

Toast creates technology to help restaurants and local businesses succeed in a digital world, helping business owners operate, increase sales, engage customers, and keep employees happy. International expansion is a critical growth engine for Toast's future. Outside the US, we currently operate in Canada, UK, Ireland, and Australia and are actively growing our product platform in these markets. As we gain market share, we are increasing our upmarket product investment into Mid Market (MM). Our goal is to be able to win and retain larger and more complex restaurant and hospitality operators. As part of this team’s mission you will get close to customers to fully understand the nuances of each of their unique needs, to ensure your contributions are making a meaningful impact to their business. As a Senior Engineer you will be responsible for delivering these features from start to finish, ensuring code quality, high technical architectural standards and high quality products. A day in the life (Responsibilities) Design, build and maintain high performing, flexible, and scalable solutions that help restaurants operate their business effectively Ship features end-to-end, from design through rollout, monitoring for success and iterating based on real-world use Be an awesome teammate who's all in on collaboration and collective success Collaborate closely with Product, Design and Engineering stakeholders Leverage cutting edge AI tools to enhance your development workflow, improve velocity, and help pioneer new approaches to building - contributing to a culture of innovation and productivity across the team. Mentor less experienced engineers and up-level the team through design reviews, constructive feedback, and agent-assisted engineering practices What you'll need to thrive (Requirements) 5+ years of backend/full-stack experience, delivering products that drive impact Ability to read and integrate with frontend applications; showing curiosity to work a

Toast creates technology to help restaurants and local businesses succeed in a digital world, helping business owners operate, increase sales, engage customers, and keep employees happy. The Care Automation team builds the systems and automations that power how Toast supports its customers. Our work connects the platforms, workflows, and integrations that our Customer Care Agents rely on every day to resolve issues quickly and deliver a great customer experience. We are looking for a Senior Software Engineer to join this team and help shape the future of how these teams operate. You will contribute to building a strong technical foundation that will carry Toast through the next decade and beyond. In this role, you will design, build, and own backend services and integrations spanning Salesforce, billing systems, identity verification and AI-enabled case management workflows. You will partner closely with Salesforce developers, operations stakeholders, and AI engineers to translate complex business processes into reliable, maintainable automation. A day in the life (Responsibilities) Design, build and own backend services and APIs that power workflows for Customer Care Agents and the broader Toast team Build and maintain integrations across a complex ecosystem of internal and external systems, including Salesforce, billing middleware, document management, and iPaaS workflow automation platforms Write automated tests and participate in code reviews to maintain code quality and system reliability Monitor feature rollouts, respond to incidents, and iterate based on performance data and customer feedback Partner with product, design, and cross-functional teams to define requirements and deliver on shared goals Leverage AI-augmented development tools to increase development velocity and code quality What you'll need to thrive (Requirements) Bachelor's degree in Computer Science or a related field, or equivalent practical experience 5+ years delivering production backend s

Every day, tens of millions of people come to Roblox to explore, create, play, learn, and connect with friends in 3D immersive digital experiences– all created by our global community of developers and creators. At Roblox, we’re building the tools and platform that empower our community to bring any experience that they can imagine to life. Our vision is to reimagine the way people come together, from anywhere in the world, and on any device. We’re on a mission to connect a billion people with optimism and civility, and looking for amazing talent to help us get there. A career at Roblox means you’ll be working to shape the future of human interaction, solving unique technical challenges at scale, and helping to create safer, more civil shared experiences for everyone. As a Senior Software Engineer (Backend) on the Co-Experience team, you will work on high-visibility initiatives that define the future of age-appropriate communication. You will build and maintain the services behind a social ecosystem that keeps interactions safe, civil, and meaningful across diverse age groups. We are kind, highly collaborative, and draw on a mix of startup and large company backgrounds to iterate faster within Roblox. Our primary product is a platform-level Party System. As the heartbeat of social interaction on Roblox, this system enables users to coordinate, form groups, and stay connected as they navigate across servers and immersive experiences. We already have a strong foundation of chat, private gameplay, gameplay mechanics, and creator APIs. We need your expertise to strengthen the backend infrastructure underneath it, build out new features, and accelerate our path toward product-market fit. As we scale, your work will directly impact our global community and support the company's top-line growth. You Will: Collaborate within a cross-functional team that includes product, design, UXR, frontend and backend engineering. Take end-to-end ownership of projects. Drive

Why Sony Interactive Entertainment? Sony Interactive Entertainment isn’t just the Best Place to Play — it’s also the Best Place to Work. Sony Interactive Entertainment (SIE) is the company behind the PlayStation brand. As a subsidiary of Sony Group Corporation, we’re part of a proud legacy of innovation and excellence. SIE is a dynamic technology company, delivering cutting-edge hardware and network services to more than 100 million people and an entertainment leader, home to some of the most beloved and recognizable intellectual properties (IP) in the world. Our role at SIE is to create and nurture the experiences under the PlayStation brand, a name synonymous with entertainment excellence and creativity. Senior Software Engineer - Cloud Streaming Game Services (Contractor) Aliso Viejo, CA As a part of Sony Interactive Entertainment, the Game Development & Future Technology (GDFT) organization is leading the cloud gaming and development revolution, putting console-quality video games on any device! As a Senior Software Engineer on the Cloud Streaming Game Services (CSGS) team, you’ll play a key role in the design and development of server-side applications on a large geographically distributed infrastructure. Responsibilities Design, develop, and maintain software powering the globally distributed PlayStation Cloud Streaming infrastructure Build Kubernetes controllers, operators, and system services powering infrastructure lifecycle management and orchestration Own features from design through implementation, testing, deployment, and production support Develop high-quality, maintainable code with comprehensive unit and integration testing Partner with SRE, Test and Platform Engineering to deliver reliable production services Investigate and resolve production issues with a focus on reliability and performance Contribute to architecture discussions, technical design documents, and engineering standards Effectively communicate technical approaches, project status

POSITION SUMMARY: Are you ready to make a real impact on people's lives and be a part of a rapidly-growing team? Natera is seeking a Senior Software Engineer to help lead the design, development, and maintenance of our commercial services, a critical backend microservice that powers our business operations. As a senior member of our engineering team, you will play a key role in driving technical excellence in our order processing systems, mentoring other engineers, and helping to positively impact patient outcomes. Join us in our mission to change the way disease is managed, and be a part of a team of dedicated professionals who are passionate about making a difference. Senior Software Engineer - Commercial Services is responsible for leading technical initiatives, mentoring engineers, and driving best practices in the development and maintenance of microservices that handle sales order processing and management. The role requires strong expertise in Java and Spring Boot, working with GraphQL APIs and event-driven architectures in a rapidly changing environment. PRIMARY RESPONSIBILITIES: Lead design and technical implementation decisions and help guide key stakeholders on the team to ensure that design and technical decisions meet a high standard of excellence and ensure robust order processing capabilities Mentor engineers, perform code reviews, and drive adoption of engineering best practices including AI tooling Work closely with Product Managers to gather requirements, walk through the design with stakeholders, and support software all the way from initial ideation to release, operation, and maintenance Lead the design, building, and maintenance of highly available backend systems to support our business applications, order processing, and integration with other services Drive quality initiatives and support QA activities in conjunction with our QA engineering teams QUALIFICATIONS: 7+ years of overall software development experience, with fo

Location Details: India, Remote At GoDaddy the future of work looks different for each team. Some teams work in the office full-time; others have a hybrid arrangement (they work remotely some days and in the office some days) and some work entirely remotely.​ This is a remote position, so you’ll be working remotely from your home. You may occasionally visit a GoDaddy office to meet with your team for events or meetings. Join our team Contribute to the development of GoDaddy’s eCommerce and SSO infrastructure and Kubernetes systems on AWS. On a day-to-day basis you will be working on the team who designs, writes, tests and deploys the infrastructure and application management software for GoDaddy’s eCommerce applications. Expect to learn every day. What you'll get to do... Work as a polyglot engineer, writing and maintaining Infrastructure as code with frameworks/ ecosystems such as Java, Unix CLI, and NodeJS Build and operate infrastructure workflows and deployment pipelines using Kubernetes, Argo Workflows, Argo CD, and GitOps practices Design, build, and own services and APIs in Java, running on Kubernetes-based platforms across AWS and distributed systems Develop and support application and infrastructure delivery pipelines, enabling reliable releases of eComm, Auth and Infrastructure services Collaborate closely with other GoDaddy departments to help advance security and technical standards, maintain regulatory compliances while operating eComm & Auth platforms Your experience should include... 5+ years of strong backend software engineering experience in Java Hands-on experience with Kubernetes, including Helm, Kustomize, or equivalent tools to deploy and manage backend services Experience building and operating high-volume, mission-critical production systems on AWS with continuous deployment (CD) practices Strong experience with infrastructure as code, supporting backend applications and services Experience with observability and l

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. Senior Software Engineer, Device Identity 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. Device Identity and Access Organization The Device Identity and Access organization is at the forefront of Okta’s Zero Trust vision. As a foundational pillar within Okta Research and Development (ORD), our mission is to transform the device itself into a secure, trusted, and effortless identity factor. We are the teams responsible for ensuring users can seamlessly interact with their work from any endpoint, anywhere in the world. We engineer the end-to-end device experience—from our flagship FastPass , Okta Device Access (ODA), and Device Assurance . Our teams own the continuous authentication pipeline, device lifecycle management, and the sophisticated cloud services that analyze real-time trust and assurance signals to make frictionless, passwordless access a reality across Windows, macOS, iOS, Linux and Android. Our organization is comprised of engineers who thrive at the intersectio

Job Summary: At Talkdesk, our Engineering team follows a micro-service architecture approach to build the next generation of Talkdesk, with vertical teams responsible for all the decisions under their services. Through our Agile Coaches, we promote agile and collaborative practices and pair programming and we won’t let a single line of code reach production without peer code reviews. We strongly believe that the only true authority stems from knowledge, not from the position and we always treat others with respect, deference, and patience. Do you love APIs, databases, messaging, and open source? Do you crave great challenges that will make you feel awesome once you solve them? We're looking for software engineers like you to join a team of amazing developers that is completely disrupting an industry. Duties and Responsibilities: Work independently as well as in small teams to develop the best product on the market Implement a scalable, stable, and user-friendly product that can handle our current capacity and handle future growth Work in a modern agile software engineering environment (with source code control GIT, dev/stage/prod release cycle, extensive testing, and continuous deployment) Solve challenging technical problems and put your skills to the test every day Develop and maintain microservices and APIs Engage with the Product team and other engineering teams across clusters and Business Units to help to ensure the solutions the team is building are fulfilling all the requirements Influence a growing team while acting as a technical guide—speaking conceptually, documenting architecturally, and being hands-on with code Design scalable solutions using code to support business functions and product goals, navigating platform limitations effectively Design and implement integrations between Talkdesk and external systems using APIs, middleware, and custom development, ensuring data integrity and security Qualifications: BS/MS Degree in Computer Science, Appl

Location(s): US (remote), Boston (hybrid), or New York (hybrid) - EST preferred Bready* to make a change? Toast creates technology to help restaurants and local businesses succeed in a digital world, helping business owners operate, increase sales, engage customers, and keep employees happy. The Retail organization at Toast is focused on building foundational technology to support a rapidly expanding vertical. We emphasize early learnings and remain closely aligned with our customers, engaging in frequent conversations with our initial retail partners to understand their needs, pain points, and feature requests. This direct feedback loop allows us to rapidly iterate and ensures we are building the right product for the market. As one of the fastest-growing verticals at Toast, we offer an opportunity to have a significant impact on the company's future growth. We’re looking for engineers to help make our product work for our largest customers. Think large grocery stores and your favorite local convenience store chain. With their larger scale bring additional needs for integrations and backoffice tools, beyond what the platform offers today. This team works closely with customers — expect to visit stores and talk directly with operators to deeply understand their workflows. About this roll* (Responsibilities) Work closely with engineering and product leads to identify high-impact opportunities in the domain Plan, scope, and prototype solutions from design to rollout. You need to think about each feature as a whole, not just the side of the stack you work in Make technical decisions and recommendations that will lay the foundation for the future of our retail platform Stay in tune with customer needs by hearing direct customer feedback and staying abreast of industry trends Deploy AI-native experiences that delight our customers, powered by Toast IQ. Do you have the right ingredients*? (Requirements) Growth mindset with an emphasis on learning