Senior Java Backend Developer Jobs

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 Merchant Experience team builds the UI operating system and core experiences that power decades of growth for millions of businesses globally, enabling Stripe to be the business SaaS solution of choice for next-gen companies. We own the foundational platforms and product surfaces that merchants interact with every day - from the Stripe Dashboard to the frameworks and tooling that hundreds of Stripe engineers use to build world-class user interfaces. We're at an inflection point. AI is fundamentally changing how users interact with software, and we believe Stripe is uniquely positioned to reimagine what a merchant experience looks like in an AI-native world. At the same time, we're raising the bar on the quality and performance of everything we ship - because the millions of businesses that depend on Stripe deserve an experience that is fast, reliable, and crafted with care. What you'll do As a Senior Staff Engineer on the Merchant Experience team, you'll be a technical leader across 50+ Engineers responsible for shaping the next generation of how Stripe merchants interact with our products. You'll drive a step-function improvement in the quality and performance of our core surfaces, and help define what AI-powered merchant experiences look like at Stripe. Responsibilities Define technical strategy for merchant-facing experiences across Stripe, with a focus on quality, performance, and the integration of AI into core user workflows Lead t

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 Principal Software Engineer on Creator Services Data, you’ll be leading the company’s efforts to build the next generation Data Storage systems to power the millions of experiences on the Roblox Platform. We run the mission critical cloud services, Data Stores , Memory Stores , and Badges , which are crucial for storing game state such as inventory and scores, implementing leaderboards, server lists, and trading, and tracking player progress and achievements. Our team is also responsible for building dashboards to provide insights to Creators using cloud services including Client/Server Performance , Data Stores , and Memory Stores . Finally, our team owns the Roblox Extended Services platform, which provides the capability for large experiences to purchase additional resources for existing services like Data Stores and new services built around compute and generative AI. At its core, this team is focused on solving complex back end distributed systems and storage problems at scale. However, our scope extends to full stack projects spanning all the way from the infrastructure layer, through data storage and data pipelines, microservices, telemetry, game servers,

The mission of The New York Times is to seek the truth and help people understand the world. That means independent journalism is at the heart of all we do as a company. It’s why we have a world-renowned newsroom that sends journalists to report on the ground from nearly 160 countries. It’s why we focus deeply on how our readers will experience our journalism, from print to audio to a world-class digital and app destination. And it’s why our business strategy centers on making journalism so good that it’s worth paying for. The New York Times is continuing to expand its video journalism, identifying compelling visual stories across the depth and breadth of our report. We showcase the expertise of Times journalists on-camera, share urgent news updates, produce on-the-ground reporting, pioneering Visual Investigations, and video podcasts. We are looking for a Senior Producer to work on our Reporter Video team, a multi-disciplinary team of video journalists creating groundbreaking, short-form digital journalism. You are a team leader who works autonomously to identify critical stories, vet reporting, and structure powerful videos featuring NYT journalists both on and off platform. An experienced journalist with a track record of making sound editorial decisions is essential. Experience working on news, features, enterprise and investigative projects is an asset. You're a strong people manager, thoughtful storyteller and excellent collaborator. You'll serve as a go-to resource for colleagues, providing editorial guidance and constructive feedback, and must be comfortable enforcing deadlines and working in a fast-paced newsroom. This role will require working with desks across the newsroom and requires an effective communicator. This is a Tuesday - Saturday role and a hybrid position based in New York and includes regular attendance in the office four days each week. There may be some flexibility to work remotely per your departmental guidance. Responsibilities: Bui

About Interbrand Interbrand understands what it takes today to build the world’s most iconic brands. To support our clients in an ever more complex and fascinating world, we have renewed our commitment to both common global standards and greater empowerment, experimentation and entrepreneurialism. Interbrand is its people. We are a global team of highly diverse thinkers, makers and collaborators. We are proud of our heritage and often regarded as the university of branding. Over the past four decades, we have pioneered iconic work and invented many of the brand building tools that are now commonplace. In collaboration with many of the world’s leading brands, we are pioneering the future of brand building. In a world where people’s expectations are moving faster than businesses, we give our clients the confidence to make Iconic Moves that create desire and utility, reshape the competitive landscape and drive extraordinary results. The Interbrand Best Global Brands study/rankings are resources to our clients and the industry, providing proprietary data and insight for our role as client partner and commentator. We have published 18 books on brands and are often the reference point for university curriculum and professional associations. Today, through our own Academy, we aim to be the most impactful learning environment in the marketing world. Our Behaviours Our culture is informed by a set of behaviours we co-created as a business. Our behaviours give us space to experiment, permission to speak out, and a model of leadership that anyone in the business can adopt. Our behaviours are Lead with love, Be Brave, Listen First and Make it happen. We are proud of our behaviours. They make us, us. The opportunity You're a strategist who turns complexity into clarity and insight into action. You see the signal in the noise, ask better questions, and aren't afraid to challenge the brief. At Interbrand, you'll work across teams on brand,

Scale’s rapidly growing Global Public Sector team is focused on using AI to address critical challenges facing the public sector around the world. Our core work consists of: Creating custom AI applications that will impact millions of citizens Generating high-quality training data for custom LLMs Upskilling and advisory services to spread the impact of AI As a Full Stack Software Engineer (Forward Deployed), you’ll collaborate directly with public sector counterparts to quickly build full-stack, AI applications, to solve their most pressing challenges and achieve meaningful impact for citizens. At Scale, we’re not just building AI solutions—we’re enabling the public sector to transform their operations and better serve citizens through cutting-edge technology. If you’re ready to shape the future of AI in the public sector and be a founding member of our team, we’d love to hear from you. You will: Partner with public sector clients to scope, collect feedback and implement solutions for complex problems, including spending up to two weeks per month in client offices for feedback and delivery. Architect production-grade applications that integrate AI models with full-stack frameworks, managing everything from interactive UIs to backend APIs and systems. Deploy and manage infrastructure within cloud environments, ensuring the highest levels of system integrity, security, scalability, and long-term reliability. Contribute to core platform features designed to be reused across diverse international client use cases. Partner with design, product, and data teams to build robust applications aligned with the broader technical architecture. Ideally you’d have: Bachelor’s degree in Computer Science or a related quantitative field 5+ years of post-graduation, full-stack engineering experience with demonstrated proficiency in React (required), TypeScript, Next.js, Python, Node.js, PostgreSQL or MongoDB plus hands-on experience with Docker, Kubernetes, and Azure

Scale’s rapidly growing Global Public Sector team is focused on using AI to address critical challenges facing the public sector around the world. Our core work consists of: Creating custom AI applications that will impact millions of citizens Generating high-quality training data for custom LLMs Upskilling and advisory services to spread the impact of AI As a Full Stack Software Engineer (Forward Deployed), you’ll collaborate directly with public sector counterparts to quickly build full-stack, AI applications, to solve their most pressing challenges and achieve meaningful impact for citizens. At Scale, we’re not just building AI solutions—we’re enabling the public sector to transform their operations and better serve citizens through cutting-edge technology. If you’re ready to shape the future of AI in the public sector and be a founding member of our team, we’d love to hear from you. You will: Partner with public sector clients to scope, collect feedback and implement solutions for complex problems. Architect production-grade applications that integrate AI models with full-stack frameworks, managing everything from interactive UIs to backend APIs and systems. Deploy and manage infrastructure within cloud environments, ensuring the highest levels of system integrity, security, scalability, and long-term reliability. Contribute to core platform features designed to be reused across diverse international client use cases. Partner with design, product, and data teams to build robust applications aligned with the broader technical architecture. Ideally you’d have: Bachelor’s degree in Computer Science or a related quantitative field 5+ years of post-graduation, full-stack engineering experience with demonstrated proficiency in React (required), TypeScript, Next.js, Python, Node.js, PostgreSQL or MongoDB plus hands-on experience with Docker, Kubernetes, and Azure/AWS/GCP. Proven ability to architect scalable, production-grade applications with a stron

At Trustpilot, we're on an incredible journey. We're a profitable, high-growth FTSE-250 company with a big vision: to become the universal symbol of trust. We run the world's largest open customer review platform, and while we've come a long way, there's still so much exciting work to do. Come join us at the heart of trust! In this key role as our Senior Leadership Development Manager, you are responsible for driving a culture of continuous growth across Trustpilot. You will achieve this by designing and executing cutting-edge learning solutions that are strategically aligned with our long-term business goals, enabling Trusties to thrive. Your impact will be felt cross-functionally as you develop engaging training programmes and provide essential support to leaders, ultimately fueling both individual and organisational growth through impactful initiatives. What you’ll be doing: Lead the development and implementation of scalable learning programmes that empower Trustpilot’s global workforce and support our long-term vision. Design and deliver high-impact learning programmes using the latest methodologies and digital tools. Lead cross-functional projects to ensure impactful, timely delivery of learning initiatives with measurable results. Analyze complex learning challenges and create tailored solutions to meet organisational needs. Collaborate with stakeholders across regions to identify learning gaps and develop operational solutions that move the needle. Support the continuous development of our global Learning and Leadership Development Strategy, identifying business needs and proposing solutions that have business impact. Facilitate engaging and interactive learning experiences, from workshops to digital modules, that inspire continuous personal and professional growth. Measure the impact of learning initiatives, using feedback and data to inform ongoing improvement. Mentor colleagues, fostering a culture of knowledge sharing and continuous learning. Advoc

WHAT IS BOX? Box (NYSE:BOX) is the leader in Intelligent Content Management. Our platform enables organizations to fuel collaboration, manage the entire content lifecycle, secure critical content, and transform business workflows with enterprise AI. We help companies thrive in the new AI-first era of business. Founded in 2005, Box simplifies work for leading global organizations, including JLL, Morgan Stanley, and Nationwide. Box is headquartered in Redwood City, CA, with offices across the United States, Europe, and Asia. By joining Box, you will have the unique opportunity to continue driving our platform forward. Content powers how we work. It's the billions of files and information flowing across teams, departments, and key business processes every single day: contracts, invoices, employee records, financials, product specs, marketing assets, and more. Our mission is to bring intelligence to the world of content management and empower our customers to completely transform workflows across their organizations. With the combination of AI and enterprise content, the opportunity has never been greater to transform how the world works together and at Box you will be on the front lines of this massive shift. Why Box Needs You This Senior Engineering Business Operations Manager will be a key partner for the Engineering Business Operations and Strategy (EBOS) organization, responsible for providing operational support and expertise to Box Engineering teams across the Build organization. This role will have a focus on our EMEA teams. You will guide and prepare teams through planning and reporting processes - including Annual Planning, Quarterly Planning, Quarterly Business Reviews, and monthly Operational Reviews - and drive critical processes for tracking performance metrics and helping leadership measure and report on key goals. We are looking for someone who can help us scale in a way that supports our continued growth. This position reports directly to the Senior Dir

About Ubiquiti At Ubiquiti Inc., we create technology platforms for Businesses, Smart Homes, and Internet Service Providers, driven by our goal to connect everyone, everywhere. To date, Ubiquiti has shipped over 100 million devices worldwide, from ISP networking products to next generation of IT solutions. Our growth is made possible by the dedicated team of hundreds behind the scenes. From software developers and product managers to designers and strategists, Team UI is driven to achieve our common goal: Rethinking IT. At Ubiquiti, you’ll heighten your potential and broaden your horizons - all while shaping the future of connectivity. Responsibilities Design, develop, and maintain network security features, including antivirus, SSL inspection, IDS/IPS, and content filtering in enterprise router firmware and software stacks. Develop deep packet inspection (DPI) and signature-based detection engines for identifying malware, exploits, and malicious traffic patterns. Integrate threat intelligence feeds and update mechanisms to ensure detection of evolving security threats. Ensure high-performance packet processing and minimal latency for real-time threat detection. Collaborate with product managers and system architects to define the security roadmap and feature priorities. Work with QA and DevOps teams to design test cases, validation frameworks, and automated regression testing for security features. Conduct vulnerability analysis, performance benchmarking, and optimization for security modules. Stay current with network security standards, protocols, and emerging threats. Requirement 5+ years of experience in embedded or network security software development. Understanding or hands-on experience with: SSL/TLS inspection and secure proxy implementations IDS/IPS, DPI, and packet inspection engines Content filtering via DNS restriction Antivirus and sandboxing Proficiency in C/C++, with strong knowledge of Linux networking stack and kernel modules. Familiarity wit

Our vision is to transform how the world uses information to enrich life for all. Join an inclusive team passionate about one thing: using their expertise in the relentless pursuit of innovation for customers and partners. The solutions we build help make everything from virtual reality experiences to breakthroughs in neural networks possible. We do it all while committing to integrity, sustainability, and giving back to our communities. Because doing so can fuel the very innovation we are pursuing. Responsibilities: Reliability Test Flow Development: Define and develop reliability stress, test flows and test plans to cover all Product Reliability aspects. Reliability Test Plan and Execution: Work closely with Global Quality team to define qualification plan, review and manage the qualification execution progress, and drive for qualification gating issue resolution. DPM reduction : Drive down and achieving Extrinsic Reliability (Time 0 and Field DPM) and Intrinsic Reliability through Optimized Manufacturing Test Flows and Test Strategy to meet critical KPI’s Quality, Cost and Cycle Time Root Cause and Resolution of Qual and RMA Device Issues pertaining to defectivity and intrinsic reliability: Debug and identify root cause and failures in reliability tests by electric failure analysis(EFA) and Physical Failure Analysis (PFA) and drive for resolution and improvements through cross functional team collaboration. Process Conversions and HVM: The role involves providing recommendation to fab teams for new process conversions to reduce cost, increase yields. This is critical as it directly impacts the yield, quality, reliability, and performance of HBM products,

The Program Management Office (PMO) at Zoox is responsible for driving cross-functional program planning and execution at the highest level. We partner with leaders from across the company in vehicle development, system design, software engineering, manufacturing, fleet operations, and business functions to develop and deliver major corporate milestones on the path to launch, and beyond. Our program managers contribute to the end-to-end success of technical, integrated product milestones involving both of our vehicle platforms - the Toyota Highlander test fleet and Zoox's purpose-built robotaxi. As a Technical Program Manager (TPM) for Core Autonomy Capabilities in PMO, you will own the portfolio of programs launching fundamental new autonomy and safety capabilities: fail-operational architectures, the next generation of the perception and motion planning stack, learned scene understanding and behavior models, collision avoidance, and the guidance and routing capabilities that expand where the vehicle can drive. These are new capabilities rather than refinements of shipped ones, and they sit on the critical path to launch. This is a high-leverage, high-visibility portfolio role. Rather than a single subsystem, you will own several capability programs running concurrently, partnering with the TPMs who drive them and driving programs directly where no dedicated owner exists. The engineering, validation, and safety teams behind this work sit across several organizations outside your reporting line, so building credibility quickly and driving decisions without formal authority is core to the job. In this role, you will: Own the outcome for each capability. Drive programs from architecture through the release that ships them, and define what "done" means when completion criteria are still being established. Partner with the TPMs who own individual capabilities. Set a consistent bar for how their programs are planned and reported, and unblock what the

About Wolt At Wolt, we create technology that brings joy, simplicity and earnings to the neighborhoods of the world. In 2014 we started with delivery of restaurant food. Now we’re building the delivery of (almost) everything and you’ll find us in over 500 cities in 30 countries around the world. In 2022 we joined forces with DoorDash and together we keep on dreaming big and expanding across the globe. Working at Wolt isn’t always easy, but it’s definitely exciting. Here you’ll learn more, build more, and ship more than in most other companies. You’ll be challenged a lot, but also have a lot of fun on the way. So, if you’re a self-starter with drive and entrepreneurial spirit, this could be the ride of your life. About the Role We’re building a new Feature Engineering Platform that will be the front door to ML development at global scale. As a Software Engineer on this team, you’ll help build a seamless experience for ML practitioners across the company — from experimentation and exploration to deployment and monitoring. Our mission is to make machine learning accessible and intuitive without compromising on power or performance. You’ll work on a layered platform that supports both high-level declarative workflows and lower-level imperative APIs, all integrated into the environments our users already work in (like notebooks and internal sandboxes). What You’ll Do Build and evolve APIs, SDKs, and platform integrations that power feature engineering workflows. Help shape user-facing tools to make the platform approachable for all skill levels. Collaborate across the ML lifecycle — from data ingestion to feature serving — and integrate tightly with our central Data Control Plane. Contribute to platform reliability, testing, observability, and operational excellence. Qualifications Solid engineering background, ideally in platform, data, or ML-adjacent teams. Comfortable working with backend systems, APIs, and ideally some exposure to distributed compute (e.g. Spark, Fli

Who are we? Cohere is the leading security-first enterprise AI company. We build cutting-edge foundation AI models and end-to-end products that are designed to solve real-world business problems. We’re training and deploying frontier models for enterprises who are building AI systems. We believe that our work is instrumental to the widespread adoption of AI and we are looking for folks that want to be part of that. We obsess over what we build. Each one of us is responsible for contributing to increasing the capabilities of our models and the value they drive for our customers. Cohere is a team of researchers, engineers, designers, and more, who are all passionate about their craft. We are a global technology company headquartered in Toronto with key offices in London, New York City, San Francisco, Montreal, Paris, Berlin and Seoul. Join us! Role Overview: As a Member of Technical Staff in the Safety for Agents team, you will make a meaningful impact on the development of better, fairer, more trustworthy, and more secure Large Language Models (LLMs). Your primary focus will be on data generation, post-training algorithms, and evaluation methods to ensure Safety in the next generation of models that can access external resources and take actions in the world. You will work closely with other cross-functional machine learning teams and data annotation teams, and will also collaborate with product and policy teams. This role combines expertise in machine learning, ethical and responsible AI, experimental design, and data generation and management. It will require curiosity to tackle totally new scientific problems, engineering skills to implement the pieces we need to test solutions to these, and a desire to dive into messy data and results. You will be on a small team with a lot of autonomy and decision-making power, responsible for making the next generation of LLMs better for society as a whole. Please Note: The existing team work in offices in London, Edinburgh, Pa

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. Transform complex technical challenges into innovative, powerful solutions and own the lifecycle of core platform capabilities powering AI automation for the world's largest enterprises. ABOUT THE TEAM The Appian Product Management function is responsible for the creation, refinement, and scaling of products and services that power our global platform. Operating at the intersection of business strategy and cutting-edge engineering, our team transforms complex technical challenges into innovative, powerful solutions. We build the mission-critical core capabilities that enable AI-Powered Process Automation for the world’s most regulated and sophisticated enterprises and governments. THE OPPORTUNITY Why should an ambitious product professional join Appian right now? 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. This role offers an exceptional opportunity to manage the complete product lifecycle within a high-velocity, collaborative environment. You will not just be managing a backlog; you will be the strategic bridge connecting engineering, design, and go-to-market functions to bring innovative capabilities to life. WHAT YOU'LL DO Product Vision & Execution: Own the quarterly plan, prioritize the feature backlog, and lead the delivery for a major product area. Backlog & Roadmap Alignment: Prioritize the sp

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: Amsterdam, Netherlands or London, United Kingdom About the Role We are seeking a highly accomplished and strategic Account Executive to join our Central Eastern Europe (CEE) Digital Natives Sales team. In this advanced role, you will be pivotal in driving significant growth by leading comprehensive sales cycles within a portfolio of assigned enterprise-level clients, and strategically acquiring new logos. The ideal candidate possesse