Senior Infrastructure Software Engineer Jobs

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. About the Team The Social Engineering org builds the experiences that connect millions of people around the world: friends, messaging, communities, presence, and notifications. Quality is central to earning the trust of our community, and we're looking for someone to raise the bar for how we build and ship. About the Role We're hiring a Senior Quality Engineer to embed directly within Social Engineering, partnering with engineers, product managers, designers, and Trust & Safety teams. This is a step-level change agent role. You'll be expected to reshape how quality is built, measured, and automated, not just operate within the systems you inherit. You'll set direction, drive adoption of new ways of working, and resolve conflict independently, with AI-native engineering as a core lever. You Will: Reshape how quality works Define and drive the quality strategy for your area, and replace processes, tooling, and release practices that limit speed or confidence Identify systemic quality gaps across teams and lead initiatives from proposal through org-wide adoption Set and evolve the quality bar: release criteria, SLOs, quality metrics, and testability standards other teams adopt Lead AI-driv

At Lyft, our purpose is to serve and connect. We aim to achieve this by cultivating a work environment where all team members belong and have the opportunity to thrive. Lyft is looking for an experienced Backend Engineer from a scope of disciplines. We are growing our team with people who want to build, improve and incorporate technologies that make the lives of our community more enriched. As an engineer at Lyft, you'll collaborate with teams like product, data science, analytics, and operations on code that empower us to iterate quickly, while focusing on delighting our passengers and drivers. About the Team: The Business Travel team enable organizations to provide customized ride benefits at scale - whether that's employees expensing business trips and earning rewards. As a backend engineer, you'll build systems that power complex benefit rules, location restrictions, and integrations with expense providers like Concur and Expensify. This is a high-growth area for Lyft with meaningful impact potential. Responsibilities: Write well-crafted, well-tested, readable, maintainable code Have the ability to explain the various trade offs made in decisions Participate in code reviews to ensure code quality and distribute knowledge Implement tasks with good quality code leading to positive execution Participate in resolving ongoing incidents Unblock, support, effectively communicate, and obtain buy-in within your team to achieve results Experience: 5+ years of software engineering experience, with a track record of designing and shipping production systems at scale Strong system design instincts — you can reason through distributed systems trade-offs, identify failure modes, and choose the right architecture for the problem Practical experience with AI development to improve product experiences Hands-on experience with large-scale, fault-tolerant distributed systems in a cloud environment (AWS, GCP, or Azure) Proficiency in object-oriented programming; experience with the

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 Candidate will work as part of the global team of firmware, digital hardware and RF hardware engineers to develop cutting edge wireless broadband products and technologies. The candidate must possess knowledge of embedded Linux processes and an understanding of digital Wireless communications. Knowledge and experience 3-5 years embedded firmware development experience with C / C++, Linux / Unix platform Experience with ARM/MIPS processors, embedded Linux Wireless protocols (802.11) Strongly need networking skill, OSI model understanding Ability to adapt and quickly pick up new technologies Ability to work productively and autonomously, whether on a small team or solo, including the ability to give and receive constructive criticism to team members Experience with all phases of the software development life-cycle Excellent analytical and problem-solving skills Experience with Git, including merging and rebasing Experience with bash shell scripting and/or Python BS degree in Computer Science, or related engineering degree Effective written and verbal communication skills (ENGLISH MANDATORY) Candidate needs to be in Kyiv (or consider relocation). Hybrid type of work. Nice to have Exper

Who we are At Twilio, we’re shaping the future of communications, all from the comfort of our homes. We deliver innovative solutions to hundreds of thousands of businesses and empower millions of developers worldwide to craft personalized customer experiences. Our dedication to remote-first work , and strong culture of connection and global inclusion means that no matter your location, you’re part of a vibrant team with diverse experiences making a global impact each day. As we continue to revolutionize how the world interacts, we’re acquiring new skills and experiences that make work feel truly rewarding. Your career at Twilio is in your hands. . Hiring and how we work We use Artificial Intelligence (AI) to help make our hiring process efficient. That said, every hiring decision is made by real Twilions! Also, while we are a remote-first company, you may be asked to report in person on an ad-hoc basis for team gatherings, functional off-sites or customer meetings. . See yourself at Twilio Join the team as Twilio’s next Senior Accountant. About the job This position is needed to partner closely with cross-functional partners to ensure the accuracy of Twilio’s carrier COGS. You will leverage your experience in automation and data analysis to build and maintain robust processes for contract review, accruals and flux analysis, and provide real-time insights that improve the speed and accuracy of our monthly close. This role is a high-impact position requiring you to combine technical data sets, business acumen and financial reporting. Responsibilities In this role, you’ll focus on: Cross-Functional Partnership: Act as the dedicated Accounting partner to the Carrier Operations team, streamlining information flow and accelerating data integrity between systems. Carrier Contract Review: Read, analyze, and document the financial and accounting implications of complex carrier agreements. Ensure strict tracking of security deposits, minimum comm

A BOUT TIDE At Tide, we help SMEs save time and money in the running of their businesses by not only offering business accounts and related banking services, but also a comprehensive set of highly usable and connected administrative solutions, from invoicing to accounting. Tide is transforming the small business banking market and now supports over 2 million members globally across the UK, India, Germany and France. Using advanced technology, all solutions are designed with SMEs in mind. With quick onboarding, low fees and innovative features, we thrive on making data driven decisions to serve our mission: to help SMEs save time and money so they can get back to doing what they love. Tide facts: Tide is available for UK, Indian, German and French SMEs Over 2 million members globally and rapidly growing Over $300 million raised in funding 3,000 Tideans globally Recognised with Great Place to Work certification three years in a row, and among India’s Top 50 Best Workplaces in Banking, Financial Services, and Insurance in 2026 We have offices in Central London, with a member support and technology centre in Sofia, Bulgaria, technology centres in Serbia, Romania, Lithuania and Hyderabad and offices in Gurugram, New Delhi, Berlin, Paris and Luxembourg ABOUT THE TEAM We’re the UK’s leading provider of smart current accounts for sole traders and small companies. We’re also on a mission to save business owners time and money on their banking and finance admin so they can get back to doing what they love - for too long, these customers have been under-served by the big banks. Funding Options joined the Tide family in early 2023 to lead their Partner Credit Services offering. Through their panel of 100 leading lender partners, Funding Options supports UK SMEs to get the right finance in place so they can trade, plan and grow with confidence. Through their multi award-winning platform, Funding Cloud, they can effectively match customers to the right lender and finance product

At Linear, we're building the product development system for teams and agents. AI is fundamentally changing how software gets built, and we’re shaping the tools this new era requires. Founded in 2019, Linear has become the platform of choice for more than 40,000 companies (including OpenAI, Coinbase, and Ramp) to plan, build, and ship their products. Today, our team is distributed across North America, Europe, and Australia, and we’re continuing to grow internationally. What unites us is relentless focus, fast execution, and a deep care for software craftsmanship. As a small team, we’re all generalists that work across the full stack (built in Typescript end-to-end). We’re looking for experienced engineers that thrive in an environment of autonomy and individual responsibility to help us build the future of product development. Location & work mode Linear is a remote-first company, with optional co-working offices in San Francisco, New York, and London. This role is open to candidates based in the US and Europe. You can work from anywhere within these regions. We value deep focus and async collaboration, with intentional moments to connect in person through team off-sites, optional co-working, and occasional travel. What you'll do Work closely with founders and design to implement new concepts and ideas Build AI-powered functionality into the core of Linear Update our realtime collaborative content editor used across all internal surfaces Build new user-facing features with beautiful and scalable UI components Obsessively improve application performance Refine our software development processes to keep the team operating at high velocity What we're looking for 5+ years of experience building customer-facing products at a high-quality software company Strong React and TypeScript fundamentals, with experience across the full stack (Browser technologies, Node, GraphQL, PostgreSQL) Track record of driving complex, end-to-end features (not just incremental improvemen

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. The Ads User Experience team at Roblox is dedicated to developing cutting-edge software and integrations that facilitate ads on Roblox. Our focus lies in building a first-of-its-kind ads system in our Game Engine. We are developing different ad formats and integrations, starting with video. We are looking for a Senior Software Engineer with an expertise in C++. This is a high-impact position. Ads at Roblox is at the beginning of our journey, presenting an amazing opportunity to get in at the ground floor and help build a multi-billion dollar business from scratch. We are approaching this challenge with a strong focus on performance and a deep respect for our community — ensuring everyone continues to have an exceptional experience on Roblox. As we move toward enabling cooperative experiences for an infinite number of players in infinitely scalable worlds, we are looking for a Senior Engineer who is both technically exceptional and capable of delivering meaningful, real-world impact. You Will: Help build a first-of-its-kind ads system within the Roblox Game Engine Develop new ad formats and integrations, starting with video Contribute to the design and performance of systems that

About Zinnov Zinnov is a global management consulting firm that helps organizations make decisions that actually get used — and deliver results that matter. For over two decades, we’ve partnered with leading enterprises, high-growth technology companies, and investors to answer some of the toughest questions they face: Where should we invest? How do we scale globally? What capabilities will win in the next decade? Our work shapes market entry strategies, global operating models, M&A decisions, and long-term growth bets. We’re known for being data-led, execution-focused, and outcome-driven — not opinion-heavy slideware. At Zinnov, how you work matters as much as what you deliver. We value independent thinking, crisp communication, and early ownership. With 450+ professionals across 10 global offices, we work across industries including Digital Services, ER&D, Enterprise Software, Semiconductors, Healthcare, BFSI, Automotive, Media & Telecom, and Private Equity. Zinnov isn’t for everyone. It’s for people who want steep learning curves, honest feedback, and the chance to see their work influence real business decisions — not just presentations. Why Corporate Functions? Zinnov’s Corporate Functions teams power how the firm delivers at scale—building the internal engine behind high-growth, high-impact work. You’ll get: Hands-on ownership in running and scaling core operations (including Finance, Governance, and Business Enablement). Exposure to end-to-end enablement models that strengthen operating engines, employee experience, and scalable processes. A highly cross-functional environment with close collaboration across delivery/PMO and domain teams to drive consistent execution. About the Role As Senior Manager – Business Finance Partner , you will operate at the intersection of business and finance—partnering with business leaders to unlock growth, improve profitabi

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 Sweden About the Role You aren't just selling a product; you’re selling the security, performance, and reliability that major enterprises require to stay competitive. You will be a foundational part of our growth story in the region, bridging the gap between complex technical challenges and the business value that keeps our customers ahead of the curve. Why You’ll Love This Role This is a builder’s role. We’re looking for a hun

About the Role We are looking for a highly capable Senior Strategy PMO / Project Manager to join our CEO Office / Intelligence & Performance (IP) team . This role goes beyond traditional project management — you will operate at the intersection of strategy, execution, and organizational scaling , partnering closely with senior leadership to drive high-impact, cross-functional initiatives spanning growth, platform risk, and trading product experience . This is a high-exposure, high-intensity role suited for candidates who are genuinely hungry to build something meaningful — comfortable navigating ambiguity, complexity, and executive-level expectations, and willing to fight for outcomes rather than just manage process. Responsibilities Drive end-to-end planning and execution of company-level strategic initiatives, spanning growth, platform risk, trading product experience , and organizational transformation. Own the health and evolution of core trading/platform experience — identifying friction points across the user trading journey and driving cross-functional fixes at the root-cause level, not surface patches. Partner with senior leadership to translate high-level strategy into executable roadmaps and delivery mechanisms. Establish and continuously refine project governance frameworks to improve execution efficiency, visibility, and accountability across teams. Identify cross-team bottlenecks and systemic risk/inefficiency, and drive structural solutions rather than one-off fixes. Lead high-complexity, cross-functional programs (e.g., growth platforms, platform risk controls, trading systems, or platform-level transformations). Support and accelerate company-wide AI transformation initiatives, including: Driving AI adoption across product and operational workflows Coordinating cross-functional AI pilots and scaling best practices Building execution frameworks for AI-enabled delivery models Provide clear executive-level updates on progress, risks, and trade-offs,

Employee Applicant Privacy Notice Who we are: Shape a brighter financial future with us. Together with our members, we’re changing the way people think about and interact with personal finance. We’re a next-generation financial services company and national bank using innovative, mobile-first technology to help our millions of members reach their goals. The industry is going through an unprecedented transformation, and we’re at the forefront. We’re proud to come to work every day knowing that what we do has a direct impact on people’s lives, with our core values guiding us every step of the way. Join us to invest in yourself, your career, and the financial world. The role: This role sits within Enterprise Risk Management (ERM) as part of Independent Risk Management (IRM) and serves as a senior second-line-of-defense (2LOD) risk leader supporting SoFi’s international growth strategy. The Senior Director will lead risk oversight for new products, business initiatives, and international market expansion activities, with an emphasis on retail banking and consumer lending products. This leader will serve in a Business Unit Risk Officer (BURO)-style capacity, partnering closely with business, compliance, legal, and functional risk teams to establish scalable governance frameworks for international expansion and consumer financial products. The role is responsible for driving robust new product approval governance, ensuring alignment with SoFi’s risk appetite, regulatory expectations, and strategic objectives across multiple jurisdictions. The ideal candidate brings deep expertise in retail banking and consumer financial products, experience operating in global regulatory environments, and a demonstrated ability to build and mature international risk governance frameworks. What you’ll do: Serve as the primary IRM point of contact and escalation lead for international product, business, and expansion-related risk matters. Provide independent challenge and strategic risk gui

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: Lisbon, Portugal Role Summary As a Senior Jira Systems Administrator, you will serve as the primary architect and guardian of our Atlassian Data Center environment, ensuring peak performance, security, and scalability. You will collaborate closely with cross-functional internal teams to translate complex business needs into streamlined workflows while leveraging Groovy and ScriptRunner to automate advanced logic. We are looking

About Forma.ai: Forma.ai is a Series B startup that's revolutionizing how sales compensation is designed, managed and optimized. We handle billions in annual managed commissions for market leaders like Edmentum, Stryker, and Autodesk. Our growth has been fuelled by our passion for fundamentally changing and shaping how companies use sales intelligence to drive business strategy. We’re welcoming equally driven individuals who are excited about creating something big! Senior Staff Backend Engineer About the Team We build enterprise software that helps organizations optimize sales performance, enabling go-to-market agility. Our engineering organization includes multiple product application teams responsible for delivering core customer-facing capabilities. We are seeking a Senior Staff Backend Engineer to join our application teams and help set technical direction across multiple domains within engineering. You'll work alongside staff, senior, and early-career engineers, and partner closely with engineering leadership to define, evolve, and scale the systems that power enterprise-grade product workflows. This is an opportunity to own complex, multi-domain technical problems and shape product direction beyond a single team. We are low on meetings, high on accountability. Most of the teams are in the EST time zone, but we have a few located in AST, PST, and Central as well. What you'll be doing You will play a pivotal role in shaping the technical direction of our application stack across multiple domains. You will lead development efforts for our most complex initiatives, the kind that span two or more teams or product areas, and serve as a technical benchmark for system design, code quality, and long-term maintainability. You'll operate at the intersection of data modelling, business logic, and enterprise-scale reliability, and your work will often set standards that neighboring teams adopt. This remains a hands-on

JOIN OUR TEAM As a Senior FP&A Manager, you will be at the centre of Westwing's financial steering, partnering closely with the Finance Leadership Team and Executive Management on high-impact strategic and operational topics. Reporting to the Head of FP&A & Investor Relations, you will drive the evolution of our FP&A processes, deliver actionable insights, and support critical business decisions across both the Westwing Group and its legal entities. This position is permanent and based in Munich. WHAT YOU'LL DO Deliver end-to-end financial insights across the Group, enabling effective performance management and informed decision-making Support the Head of FP&A & Investor Relations in leading the day-to-day operations of the FP&A team, driving execution, cross-functional alignment, and strategic decision-making across the Group Monitor financial and operational performance, proactively identifying deviations from plan, assessing their drivers, and recommending corrective actions Drive the continuous optimisation of financial planning processes, including budgeting and forecasting, improving accuracy, efficiency, and scalability across the P&L, balance sheet, and cash flow YOU COME WITH 5+ years of experience in FP&A, controlling, or commercial finance, gained within management consulting, investment banking, or a large corporate environment Strong financial analysis and modelling skills, with a data-driven mindset and the ability to combine analytical rigour, attention to detail, and strategic thinking Experience or interest in AI tools and automation is a plus Proactive and self-driven attitude combined with a strong sense of ownership and the ability to work autonomously, lead end-to-end projects, navigate ambiguity, and drive continuous improvement and best practices in fast-paced environments Excellent communication and stakeholder management skills, with the ability to influence and collaborate effectively across all levels of the organisation Fluency in English

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: Austin Texas or New York About the Role We are currently seeking a highly skilled and adaptable Floating Administrative Assistant to join our team. This