Senior Infrastructure Software Engineer Jobs

The Opportunity Datadog is looking for a strategically-minded and action-oriented Senior Sales Curriculum Manager to design, deploy and scale global Sales Enablement programs for our Enterprise Sales and Mid-Market Sales teams. Reporting to the Senior Manager, Enablement Curriculum and working with a cross-functional Enablement team, you will identify business needs and work with stakeholders to plan, build and implement best-in-class learning experiences. This role relies on a blend of instructional design expertise, sales acumen and data-driven decision making. At Datadog, we place value in our office culture - the relationships and collaboration it builds and the creativity it brings to the table. We operate as a hybrid workplace to ensure our Datadogs can create a work-life harmony that best fits them. Who you are: An owner: You take pride in your outputs and their outcomes. You take ownership from strategy through execution and consistently deliver measurable results. An innovator: You enjoy challenging the status quo by bringing new ideas to the table and looking for ways to improve what already exists. An agile problem solver: You shift seamlessly between detail and big picture to meet the moment, adapting to change with a solutions-oriented mindset. A lifelong learner: You challenge assumptions and use curiosity to drive continuous improvement. A trusted advisor: You ask sharp questions, synthesize complex ideas, and build relationships to understand and explain ambiguous concepts. A clear communicator : You bring structure, clarity and polish to your work - whether it’s written, verbal or visual communications. What you’ll do: Own and evolve the curriculum strategy for Enterprise and Mid-Market Sales globally, aligning enablement investments to revenue priorities and performance outcomes. Build and maintain role-specific learning journeys (including onboarding, everboarding and on-demand resources) for Enterprise Account Executives, Mid-Market Account Execu

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. Ubiquiti Pilsen R&D team is looking for UI/UX DESIGNER! Responsibilities: Actively participate in various projects and voice your ideas and solutions Maintain and create new design systems for Ubiquiti Inc. products Design high-quality, user-friendly interfaces for web and mobile Requirements: Expert level UX and UI design skill 3+ years of experience designing interfaces for web and mobile Experience with Figma Ability to innovate and develop out-of-the-box solutions to complex user interaction problems Strong knowledge of user experience principles, techniques, and patterns Fluent in Czech and English Nice to have: Interest in IT products & technologies Benefits: Kitchen packed with food, snacks & sodas, meal allowance Flexible working hours Informal startup atmosphere filled with excitement Team building activities Generous budget to select your work station according to your preferences Competitive salary and 5 weeks of vacation per year Discretionary bonuses based on individual performance The newest web technologies, experimenting with the newest network HW Comfortable office in the center of Pilsen with good transport accessibility If you would like to apply for this position, please include a link or file showcasing your work or portfolio.

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. Role Summary We are looking for a highly skilled Senior Image Quality Engineer to take ownership of image quality development for our IP camera portfolio. The ideal candidate has deep expertise in camera ISP tuning, 3A algorithm optimization, sensor characterization, and embedded imaging pipelines. This role involves close collaboration with cross-functional teams and offers significant technical ownership. Key Responsibilities Lead end-to-end image quality development for assigned camera platforms. Perform ISP tuning across noise reduction, sharpening, color correction, gamma, HDR/WDR, temporal filtering, and related modules Develop, evaluate, and optimize 3A algorithms (AE / AWB / AF). Conduct both subjective and objective IQ evaluations using lab tools and real-world scenes. Collaborate with firmware, hardware, optics, and product teams to resolve IQ issues and improve performance. Perform sensor analysis, lens shading tuning, black-level calibration, and other calibration tasks. Support ISP integration and optimization on Ambarella and SigmaStar (sstar) SoCs. Build automation scripts and analysis tools using Python or C/C++. Work with manufacturing and validation teams to ensure consistent IQ quality in production. Candidate Profile & Qualifications Bachelor’s or Master’s in Electrical Engineering, Computer Science, Imagi

We are TRADER , a Canadian leader in digital automotive solutions. Our flagship brands - AutoTrader.ca , AutoSync , Dealertrack Canada and CMS - help Canadians buy, sell, and finance vehicles with confidence. Learn more at tradercorporation.com . As part of AutoScout24 group , Europe’s largest online car marketplace, we’re shaping the future of automotive retail in Canada and beyond. As ( Senior) Data Analyst , you will establish and scale the analytical data foundations for our Fintech ecosystem across Dealertrack and CMS. You will work closely with product, engineering, and business teams to enable reliable, data-driven decision-making. Your work will support product strategy, fraud prevention, customer trust initiatives, and the modernization of our Fintech platforms. What you’ll do: Design, build, and own core analytical data models supporting consistent measurement across fintech products, including fraud prevention, transaction flows, and customer journeys Define and document KPI logic, metric definitions, and analytical standards to ensure a shared and trusted view of performance across fintech analytics Act as an analytical partner to Fintech product teams supporting Dealertrack and CMS, generating insights that enable data-informed product development, optimization, and prioritization Ensure product and business decisions are grounded in robust and reliable analysis across financial workflows Serve as a technical mentor within the analytics team, establishing best practices for analytical methodologies, data quality, and metric definitions in a regulated fintech environment Guide junior analysts on complex analytical problems and collaborate with cross-functional teams to strengthen data literacy and promote data-informed decision making What you’ll need 5+ years of experience in data analytics with strong ha

About Snorkel Snorkel AI is the frontier AI data lab, helping teams build the data and environments behind high-performing frontier and agentic AI. We combine technology with research-driven AI data development to create datasets, benchmarks, evals, and custom solutions for real-world AI systems. Founded out of the Stanford AI Lab in 2019, Snorkel works with leading AI labs and enterprises to move from better data to better outcomes. Excited to help us redefine how AI is built? Apply to be the newest Snorkeler! The Role We are seeking a highly technical and strategic Senior Product Manager with deep AI/ML expertise to lead development across our agentic data systems, synthetic data systems, evaluations, and data-acceleration initiatives. This role is ideal for someone with a core ML/AI product background, strong familiarity with model development workflows, and demonstrated success delivering product experiences that improve the speed, quality, and scalability of data operations. You will work closely with Research, Engineering, Data Operations, and Design to define product vision, roadmap, and execution plans for intelligent workflow systems that optimize data pipelines, improve task quality, and enable faster and more efficient delivery of AI-ready datasets. This is a highly cross-functional, technically deep IC role with broad surface area and significant impact. You will lead initiatives spanning multiple teams, balancing near-term execution with long-term platform evolution. What You’ll Do Own the product vision, strategy, and roadmap for the task and Expert Contributor Evaluations product supporting internal and external platform users. &nbsp

Scale AI is seeking a highly motivated Senior Accountant to join our growing accounting team and assist in preparing day to day corporate accounting operations, supporting the month end close process, and helping to implement systems and processes that will support Scale as we continue to grow. You will also gain exposure to working with our international entities as we continue our expansion globally, working on some of the highest value aspects of the busienss. The ideal candidate thrives in a high-growth start-up, is detail-oriented, and has excellent interpersonal and communication skills. Additionally, the candidate has demonstrated the ability to build scalable cross-functional relationships through systems and process implementation. We hope you will join our team! You Will: Prepare journal entries and day to day corporate accounting activities, support the month end close process, and provide timely and accurate month-end close financials that are U.S. GAAP compliant Build or enhance balance sheet account reconciliation workpaper including reviewing and performing some clean-up of historical reconciliations and related balances Collaborate within Accounting and Finance teams on metrics, flux analysis, forecast, and projections and support preparation of the monthly reporting package Prepare documents supporting internal and external audits and ensure the successful completion of those audits Support the implementation of new systems, tools, and processes to streamline close and build scalable solutions to support the growth of the Company Identify and drive process improvements to gain efficiencies and reduce close timeline Develop, maintain and improve internal controls which relate to assigned areas Ideally You Have: Bachelor’s degree in Accounting; CPA or in the process of working towards one is preferred. 3+ years of relevant accounting experience; Combination of public accounting and industry experience preferred. Strong knowledge of U.S. GAAP. Ex

About Stitch Fix, Inc. Stitch Fix (NASDAQ: SFIX) Stitch Fix is redefining retail by combining human creativity with advanced data science and Generative AI. As we build the future of personalized shopping, we’re equally committed to building yours. We believe in investing in our team as much as our technology. Join us to be a trendsetter in the industry and help us redefine what’s possible for our clients, while we help you reach your full potential. About the Team Stitch Fix is transforming the way people find what they love, and enables our clients to be their best selves. Our Product and Technology teams have created unique, innovative software for our customers as well as employees in merchandising, styling, warehouse systems, and inventory management. We leverage data, personal stylists and user research to personalize our service and make smart bets. The result is a delightful offering for our customers and a successful business serving millions of women, men, and kids. We're looking for outstanding people to contribute to our evolution. About the Role As a Senior Product Manager for Financial Systems, you will play a pivotal role in shaping the product vision and roadmap for critical financial applications that underpin our operations. Reporting to the Sr. Director of Business Systems Product, you will drive initiatives that automate end-to-end financial processes, enhance data quality, and provide robust reporting and analytics. This role is pivotal in guiding the organization towards a modern, AI-ready financial technology landscape moving beyond traditional methods to unlock new capabilities. This role requires a strat

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 New York, NY About the Role Account Executives, Channel Account Managers, Business Development Representatives, Solution Engineers, Customer Success, and Sales Operations - all working together help our customers adopt Cloudflare and create great Internet-enabled experiences. The sales team at Cloudflare helps customers solve real, technical problems while creating the revenue streams that help the company provide free service to mil

Instawork is on a mission to create meaningful economic opportunities for skilled hourly professionals in communities around the globe. Our AI-powered labor marketplace helps local businesses scale, and enables global technology companies to push the frontiers of robotics and AI. Backed by world-class investors like Benchmark, Spark Capital, Craft Ventures, Greylock, Y Combinator, and others, we’re looking for exceptional talent to reimagine the way the world works. We are seeking a Senior Manager of Product Operations to help us transition from an app-based marketplace to an agent-first world. We believe the future of work isn't about browsing feeds or tapping buttons - it’s about having intelligent agents that work on your behalf. We need a technical operator who can bridge the gap between high-level business goals and this new user interface. You won't just optimize processes; you will prototype the logic, agents, and automation layers that fundamentally change how our Pros and Partners experience the platform. Who You Are: An Architect of the "Agent-First" World: You understand that the next iteration of the internet is not point-and-click, but intent-and-action. You see a future where users interact with our marketplace through conversation and delegation, not just navigation. A UX Builder, Not Just a Process Fixer: You realize that in an AI world, "Operations" is the Product. You are obsessed with reducing user friction, believing that if a human has to manually search or sift through data, the agent has failed. An AI Pragmatist: You know how to deploy the right model for the job. You distinguish between where a reasoning model is needed to handle complex user intent versus where a deterministic script suffices. A "Hands-On" Visionary: You don't just write specs for Engineering; you prototype the solution yourself. You are comfortable building the first version of an agentic workflow to prove it works before we scale it globally. What You’ll Do: Build the Agen

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