Senior Engineer - User Platform

Join Spotify as a Senior Engineer on the User Platform team, where you will be integral in shaping user experiences for millions. You will work collaboratively with cross-functional teams, driving innovation and enhancing the platform's capabilities.

We are seeking a highly skilled and motivated Senior Platform Engineer to join our dynamic team at st-labs. This role is crucial in designing, developing, and maintaining our platform infrastructure while ensuring optimal performance and reliability. The ideal candidate will possess a strong foundation in software engineering principles and demonstrate a passion for innovation and problem-solving.

About PolymarketPolymarket stands as the leading prediction market platform globally, merging the essence of "put your money where your mouth is" with an innovative search engine for future outcomes.Our rapid growth is evident—over $6 billion traded this year alone—alongside our increasing recognition as a credible alternative news source. We aspire to be a beacon of truth in the global media landscape, and we invite you to help us ignite this vision.About the RoleWe are seeking a highly skilled Backend Engineer to become an integral part of our platform engineering team as we expand. The perfect candidate will have a passion for performance, security, and scalability—someone who excels at architecting and refining high-throughput systems using state-of-the-art infrastructure. You will be pivotal in constructing and sustaining the robust foundation that drives our prediction markets, ensuring reliability and efficiency as we progress.Your ResponsibilitiesWe are looking for a seasoned individual contributor who thrives on tackling complex technical challenges and optimizing vital infrastructure.Design & Develop Backend Systems. You'll craft, implement, and uphold high-performance backend services and APIs capable of managing extensive transactions and real-time data streams.Enhance Performance & Scalability. You will push the boundaries of our system’s throughput and efficiency, guaranteeing seamless functionality at scale.Fortify Security & Reliability. You will implement best practices for creating secure, fault-tolerant, and highly available distributed systems.Collaborate Across Teams. You will engage with front-end engineers, designers, and stakeholders throughout the organization to deliver a cohesive user experience.Conduct Code Reviews. You will play a vital role in upholding our codebase's quality by providing constructive feedback during code review sessions.Engage in Research & Innovation. You will remain at the forefront of blockchain-based trading technologies, exploring innovative solutions to enhance our platform.Communicate with Customers. You will interact directly with customers, offering support and gathering valuable feedback for continuous improvement.What We Are SeekingA minimum of 8 years of experience in backend development.Proven experience in architecting and developing scalable solutions in a distributed system environment.Strong proficiency in programming languages such as Go, Java, or Python.Deep understanding of database management systems, cloud services, and microservices architecture.Exceptional problem-solving abilities and a proactive mindset.Excellent communication skills and ability to work collaboratively in a dynamic environment.

About Propel At Propel, our mission is to develop innovative technology that enhances the social safety net. We are a dedicated team of around 100 passionate individuals, known as Propellers, who envision a future where every American has access to the tools and resources needed to succeed. The Opportunity Are you a skilled Platform Engineer eager to drive significant contributions within a mission-focused organization? Do you relish the challenge of designing software that influences an entire engineering community? If you thrive in autonomous startup environments, we want to hear from you! We are seeking a proactive Senior Platform Engineer to join our Developer Enablement Team within the engineering division at Propel. This position plays a crucial role in empowering fellow engineers by enhancing our cloud-native platforms, which facilitate the development and delivery of Propel's technology. These platforms are instrumental for various products and applications, including those that interact with government programs, highlight savings opportunities, enroll users in healthcare plans, and support internal tools and architecture. Your primary focus will be on managing fault-tolerant applications using Kubernetes and AWS while addressing organization-wide engineering challenges. We are looking for a creative problem-solver excited to experiment with enhancements to the developer experience at Propel. In this role, you will design new features for our cloud platform, support a diverse range of production applications, resolve technical debt, and mentor other engineers. What We Offer: A collaborative, humble, and motivated engineering culture. Ongoing knowledge sharing through project demos, Lunch & Learn sessions, and comprehensive documentation. A people-first management approach that values engineers' input, supports career growth, and provides opportunities for technical advancement tailored to your interests. Meaningful work aligned with a strong, shared mission. A remote-first work environment: while our headquarters is in Brooklyn, we provide a co-working monthly stipend for employees located outside of NYC. We welcome applications from candidates in states where we have established entities, including California, Colorado, District of Columbia, Florida, Georgia, Illinois, Maryland, Massachusetts, New Jersey, New York, Oregon, Pennsylvania, Texas, Virginia, and Washington. Equitable and competitive salaries; we believe in fair compensation for all. Our salary ranges are based on data from numerous NYC startups at a similar stage, and pay is not determined by location. The salary range for this position is $170,000 to $240,000.

Join our innovative team at fuboTV as a Senior Software Engineer, Platform. In this role, you will be responsible for developing and maintaining our core platform that powers our streaming services. You will work closely with cross-functional teams to design scalable solutions that enhance user experience and drive business growth.

About YouAs a Senior Platform Engineer at Copia Automation, you are a problem-solver who thrives on tackling challenging, unique, and impactful projects alongside passionate team members. Your expertise spans Site Reliability Engineering, DevOps, and Infrastructure Engineering, allowing you to take ownership of technical projects and provide invaluable thought leadership.In this role, you will make critical architectural decisions, mentor fellow engineers, and influence the technical trajectory of our products. Working in the industrial automation sector, you will delve into a range of topics that are rarely encountered in conventional software engineering roles. About UsCopia Automation is at the forefront of providing cutting-edge disaster recovery technology for the industrial automation landscape. Our innovative product suite introduces modern developer tools to the operational technology (OT) space, including a unique Git-based source control solution tailored for automation professionals. We are a well-funded startup with a rapidly expanding customer base within the industrial sector. Why Choose Industrial Automation?The manufacturing industry is heavily reliant on industrial automation, utilizing computerized systems and robotics operating on Programmable Logic Controllers (PLCs). This domain employs a distinctive graphical language that does not align with standard developer tools like GitLab or GitHub, leading automation professionals to depend on outdated storage methods and partial solutions. With significant downtime costs, there is a pressing demand for improved development tools. Engineering Culture at CopiaOur engineering team thrives on collaboration, experimentation, and a sense of ownership. We tackle complex challenges together, testing our assumptions and valuing practical solutions that balance immediate needs with long-term objectives. We maintain an optimistic outlook, celebrating our achievements and supporting one another through unforeseen obstacles.

About NomicNomic AI is at the forefront of innovation, developing cutting-edge AI agents and robust developer tools that transform document intelligence. We empower enterprise teams in architecture, engineering, and construction to extract actionable insights from decades of drawings, specifications, and project files. Our platform integrates advanced embedding models, sophisticated document parsing, and intelligent autonomous agents capable of reasoning over real-world data and executing actions in dynamic environments.The RoleAs a Senior Platform Engineer at Nomic, you will play a pivotal role in advancing our infrastructure and ensuring the safe operation of our autonomous agents in live customer environments. You will be responsible for overseeing our multi-account AWS setup, Kubernetes clusters, and infrastructure-as-code implementations. Your primary focus will be on the critical challenge of executing autonomous agents securely, including sandbox execution, secure isolation, automated health checks, and meeting the reliability standards our enterprise clients demand.This senior individual contributor role offers significant ownership and influence over architectural decisions.Team: Platform & Infrastructure Reports to: CTOWhat You'll Work OnAgent infrastructure: Your top priority will be ensuring that our agents operate safely within customer cloud environments. This includes managing sandboxing, isolation, monitoring, and the scalable operation of workloads. Key tasks will involve establishing execution environments, security boundaries, automated QA processes, evaluation harnesses, and feedback loops to enhance agent reliability over time.Core infrastructure: Work with Kubernetes, multi-account AWS, CI/CD pipelines, deployment strategies, observability frameworks (traces, metrics, logs, alerting, SLOs), disaster recovery protocols, and cost management initiatives.Security posture: Implement access controls, manage secrets, ensure network security, conduct image scanning, perform dependency audits, and oversee compliance tasks (SOC2, enterprise security) as required by our clients.Infrastructure as code: Continuously define, provision, and evolve our infrastructure through code.What We're Looking ForYou have:A minimum of 5 years of experience in infrastructure, DevOps, or SRE roles, specifically managing cloud infrastructure in production environments.Proficiency in Kubernetes, including deploying workloads, troubleshooting issues, and optimizing performance.

Join SeatGeek: Where Live Events Come to LifeAt SeatGeek, we believe that live events are transformative experiences that bring people together. Our mission is to revolutionize the ticketing industry through innovative technology and a customer-centric approach.The Platform team plays a crucial role in this journey by providing a robust and secure foundation for product development and deployment. By simplifying processes and offering user-friendly, self-service tools, we empower teams across SeatGeek to focus on delivering exceptional experiences without unnecessary complexities.We are seeking skilled Platform Engineers to enhance and expand our platform. In this position, you will collaborate with cross-functional teams to design and implement solutions that are user-friendly, scalable, and adaptable to diverse team requirements. Your contributions will ensure that SeatGeek teams can build and deliver products smoothly, particularly during critical operational moments.

Our VisionAt General Intelligence Company (GIC), we are pioneers in developing advanced autonomous agents designed specifically for startups. Our mission is to empower solo entrepreneurs to build billion-dollar enterprises with our innovative technology. These agents not only streamline workflows but also transform operational processes. We are in search of an experienced infrastructure and platform engineer with profound systems engineering expertise to create and sustain the robust, scalable infrastructure that fuels our AI agent platform.Our infrastructure manages intricate distributed workloads, ranging from AI model inference to multi-tenant orchestration of agents. We seek a candidate who can design resilient systems, enhance performance at scale, and facilitate the seamless evolution of our platform from handling thousands to millions of agent operations.Your ResponsibilitiesCraft and implement scalable architectural designs for AI agent workloads.Develop and uphold cloud infrastructure utilizing modern Infrastructure as Code (IaC) tools such as Terraform, ensuring dependable deployments across various environments.Enhance system performance and cost-effectiveness for high-throughput workloads, focusing on resource management and auto-scaling capabilities.Establish robust monitoring, alerting, and observability frameworks to guarantee over 99.9% uptime for mission-critical agent functionalities.Collaborate closely with engineering teams to ensure smooth CI/CD pipelines and zero-downtime deployments.Construct a security-centric infrastructure with appropriate access controls, secrets management, and compliance protocols.Engage in rapid, iterative cycles—focusing on continuous enhancement and scaling without unnecessary backlogs.Align our foundational principles with infrastructure:Cycle time is essential. You deploy rapidly and iterate.Quality is paramount. Your infrastructure is self-sufficient.No backlogs. Develop what is necessary, when it is necessary.FITFO. You independently resolve challenges.Ownership mentality. You approach your work as if you own it.Your Profile4+ years of experience in building and scaling production infrastructure, ideally within high-growth startup environments.Familiarity with Site Reliability Engineering (SRE) monitoring and observability tools, such as Datadog, along with experience in constructing robust alerting systems.Proficient in cloud platforms and services, with a strong understanding of networking and security best practices.

Join Hinge: The Dating App Designed to Be DeletedIn an era where cultivating genuine connections is increasingly challenging, Hinge is dedicated to fostering intimate relationships that combat loneliness. Our mission is to understand user behaviors deeply, facilitating the journey to finding love. Our success is measured by our ability to create meaningful dates and connections, making us the most trusted platform for relationship seekers worldwide.About the OpportunityWe are seeking an experienced Senior Engineering Manager to lead our Platform Engineering teams— the crucial backbone that empowers Hinge engineers to develop, deploy, and manage features swiftly, safely, and with confidence.In this leadership role, you will oversee a talented team of 6–10 engineers within our Cloud Foundation and Engineering Enablement divisions. You will directly manage the Cloud Foundation team, spearheading our cloud infrastructure strategy with a focus on scalability, resilience, cost efficiency, and automation. Your leadership will enable all Hinge engineers to accelerate their development processes and deliver with assurance.This role requires a hands-on approach, balancing strategic vision and execution—crafting a robust technical foundation for scalability while nurturing high-performing teams.

Join SeatGeek and Transform Live Events!At SeatGeek, we are driven by the belief that live events create unforgettable experiences that bring people together. Our focus on technology and a fan-first approach is revolutionizing the ticketing industry.The Platform organization plays a vital role in realizing this vision by delivering a secure and dependable foundation for product development and deployment. We strive to simplify complexity and provide robust, self-service tools and workflows, empowering our teams to operate confidently, especially during critical moments.We are on the lookout for a Senior Platform Engineer to enhance our Cloud Platform team within the Platform organization. In this pivotal role, you will design, develop, and manage the core cloud, compute, and networking platforms that serve all engineering teams at SeatGeek. Our Cloud Platform engineers are dedicated to building scalable infrastructure, resilient networking solutions, and clearly defined pathways that enable teams to deploy their services safely and efficiently.With more services and deployments than developers, the need for automation, standards, and reliability is paramount. The Cloud Platform team supports both our Enterprise and Consumer sectors, scaling ticketing platforms utilized by world-class partners and millions of fans.

We are seeking a talented Senior Platform Engineer to join our dynamic team at Blackbird Labs Inc. in New York. In this pivotal role, you will leverage your expertise in infrastructure and artificial intelligence to build and enhance our platforms, ensuring they are robust, scalable, and efficient.You will work closely with cross-functional teams to architect solutions that drive innovation and enhance performance. This is an excellent opportunity for an experienced engineer looking to make a significant impact in a fast-paced environment.

Join Our MissionAt taptapsend, we are on a journey to revolutionize cross-border financial services for emerging markets. Our mission is to empower families and invigorate local economies, providing millions with enhanced access to financial solutions.Since our inception in 2019, we have significantly transformed the landscape of international money transfers, operating across six continents and addressing both high-traffic and underserved remittance corridors. We have harnessed the power of digital finance to reach areas traditionally neglected by conventional banking systems. As we embark on our next growth phase, we are excited to introduce a suite of services and products tailored to make financial transactions more accessible for diaspora communities, including local cards and innovative savings and payment features.Our rapid expansion is supported by renowned investors and is centered around a product that merges real-world impact with pioneering fintech technology.Learn more about us:Founded by Harvard alumni and serial entrepreneurs who previously established Segovia (acquired) and GiveDirectly (reporting over $300M in revenue, recognized as the fastest-growing NGO globally).Supported by esteemed investors such as Spark Capital, Canaan, Reid Hoffman, Breyer Capital, Unbound, and Wamda.Composed of top-tier global talent from organizations like Bain, Google, McKinsey, Uber, Checkout, and Bolt, we prioritize speed, humility, and a deep commitment to our mission.A truly diverse team consisting of over 250 members from more than 50 nationalities, speaking over 50 languages.Driven by our core values of ownership, impact, humility, and heart, we embody these principles in our actions.Your RoleWe are seeking a Senior Engineer, Platform/SRE to enrich our dynamic engineering team. As an early team member, your contributions will significantly shape our culture, processes, and norms. We foster a collaborative environment that values both teamwork and individual autonomy. Be prepared for exciting challenges as we support a rapidly scaling platform with new product launches and beyond!

About UsNourish is dedicated to revolutionizing health by simplifying the journey to nutritious eating. With over half of Americans impacted by chronic conditions related to dietary habits, and poor nutrition being the leading cause of preventable deaths, we believe that health is paramount. Yet, unhealthy modern lifestyles have led to unprecedented levels of illness in our society.Nourish is tackling this urgent health crisis through our innovative food-as-medicine platform, designed to empower individuals to make better dietary choices easily. Our mobile app delivers a holistic approach to wellness, featuring personalized consultations with Registered Dietitians, health tracking, tailored content, meal logging, recipe planning, AI chat assistance, and more.With thousands of dietitians and hundreds of thousands of patients already using our platform, we cater to a diverse array of nutrition-related conditions, such as diabetes, eating disorders, kidney diseases, gastrointestinal issues, cancer, obesity, and cardiovascular diseases. We're operational in all 50 states.As a rapidly growing company, we've forged partnerships with leading health insurance providers and healthcare groups, securing over $44 million in funding from prestigious investors like Index Ventures, Thrive Capital, Maverick Ventures, Y Combinator, and Box Group, among others. Our angel investors include notable healthcare entrepreneurs and even soccer star Alex Morgan.Discover more about us through our feature in TechCrunch here and learn about our recent Series A funding here.About the RoleWe are in search of a Senior User Researcher to spearhead strategic research initiatives across the Nourish patient and provider ecosystems. Your insights will be instrumental in directing product development, enhancing clinical and patient experiences, and reshaping the delivery of nutrition care on a large scale.This role is designed for a senior individual contributor who thrives in autonomous settings and is adept at navigating complex, high-impact questions. You will excel in both fieldwork and influencing senior stakeholders. Collaborating closely with design, product, and clinical leadership, you will ensure that every decision is informed by a profound understanding of both patients seeking assistance and the dietitians providing care.

At Genius Sports, we are pioneering a new era in sports engagement by combining advanced technology with the highest quality live data. Our goal is to create immersive, interactive, and personalized experiences for sports fans around the globe. Learn more about us here. geniussports.com.Position Overview - Senior Software Engineer, Data PlatformWe are seeking a Senior Data Platform Engineer to architect and scale the core systems that underpin our data ecosystem. In this pivotal role, you will lead the design and modernization of our data infrastructure, empowering teams throughout the organization to swiftly, reliably, and securely access and utilize data. You will spearhead significant platform initiatives from inception to production, carefully navigate architectural decisions, and closely collaborate with product teams and cross-functional stakeholders to drive engineering strategy.This role is perfect for a technically adept leader with extensive experience in distributed systems, modern data lakehouse and streaming architectures, and large-scale data operations. A strong passion for mentorship, technical excellence, and creating systems that yield substantial business impact is essential.Key ResponsibilitiesDesign, construct, and oversee the foundational systems and features of the Data Platform, facilitating internal teams' ability to access and utilize data efficiently and securely.Lead the modernization of our data infrastructure while managing technical complexities and making informed architectural decisions to enhance our foundation and boost organizational productivity.Act as a technical leader for extensive Data Platform initiatives, influencing architectural choices and engineering direction in collaboration with product and cross-functional teams.Mentor junior and mid-level engineers, enhancing their skills and preparing them for greater responsibilities.Stay informed on emerging technologies and industry advancements in data systems and platform development.

Databricks builds the data and AI infrastructure that helps organizations solve complex problems, from modernizing transportation to accelerating medical research. The platform supports teams in uncovering insights and improving operations through advanced data and AI tools. Role Overview This Senior Software Engineer position sits within the New York City Engineering office. The team focuses on creating new products from the ground up, using Databricks’ strengths in data and AI to build specialized AI applications for both technical and business audiences. The environment combines the energy of a startup with the backing of Databricks’ established resources. What You Will Do Design and build advanced interfaces for Generative AI agents that handle complex workflows, ensuring transparency and human oversight. Work closely with product managers, designers, and engineers to deliver intuitive, scalable solutions that drive user and business growth. Contribute hands-on as a full-stack developer, delivering user-centered experiences. Develop features that support product-led growth, including seamless onboarding and sharing tools. Help define the direction of agent-based applications at Databricks, collaborating with cross-functional teams. Lead the design, development, and maintenance of end-to-end AI systems that are reliable, scalable, and efficient.

Role overview Braze, Inc. is hiring a Senior Staff Platform Infrastructure Engineer based in New York City. This position centers on designing and improving the core infrastructure that supports Braze’s products and services. The engineer will guide complex technical projects and partner with teams throughout the company. What you will do Design and enhance platform infrastructure to strengthen Braze’s offerings Take the lead on technical projects, managing them from initial planning through execution Work closely with colleagues across departments to deliver reliable and scalable solutions Share ideas and technical knowledge to help drive improvements and innovation in the platform

Join Hinge – The Dating App Designed to Be DeletedIn an era where forging genuine connections is increasingly challenging, Hinge is committed to fostering meaningful relationships and reducing loneliness. Our obsession lies in understanding user behavior to facilitate love, with our success measured by a straightforward yet vital metric – helping users set up great dates. With millions of users worldwide, we've established ourselves as the most reliable platform for finding relationships.About the OpportunityAs a key member of Hinge’s AI Platform Core team, you will play a pivotal role in shaping and enhancing our evolving Machine Learning platform. This position focuses on accelerating the development, deployment, and operation of AI-driven features within Hinge. If you are passionate about tackling challenges such as optimizing our training and serving frameworks for real-time predictions, implementing automatic model performance monitoring systems, and architecting generative AI solutions, we invite you to explore this opportunity!Our mission is to democratize AI at Hinge, ensuring it remains accessible, robust, scalable, cost-effective, and trustworthy. You will collaborate closely with product and platform teams and engage with external stakeholders, including data scientists and backend engineers. By understanding the needs of our internal customers, you will deliver incremental value aligned with their challenges. In a small, impactful team, you’ll have a broad scope of responsibilities and the chance to significantly influence the future of Machine Learning at Hinge.

At The New York Times, our mission is to seek the truth and help people understand the world. Independent journalism is the core of our company. With a world-renowned newsroom, we report from nearly 160 countries, focusing on enriching the reader's experience across various platforms, including print, audio, and our top-tier digital and app offerings. Our business strategy is centered on delivering journalism of such high quality that it is worth paying for.About the Role:We are looking for a Senior Software Engineer with a strong background in agentic AI development to join our Messaging Platforms group. This is an exciting opportunity to play a pivotal role in enhancing how we deliver breaking news and engage millions of readers globally. You'll work alongside a collaborative team of engineers, designers, and product managers who value empathy, innovation, and shared accountability for our success.Our front-end development utilizes React, while our backend is primarily built with Go. We deploy our services using CI/CD tools like GitHub Actions, and our infrastructure is hosted on Google Cloud Platform (GCP) and Amazon Web Services (AWS), with provisioning managed through Terraform.Responsibilities:Lead the modernization of front-end tools, implementing agentic workflows to enhance development cycles while adhering to high architectural standards.Provide expertise and mentorship in AI-assisted development for the front-end team, enabling them to focus on system design rather than routine implementations.Engage in the entire development lifecycle of our products, including design, development, testing, deployment, and monitoring, within a collaborative and distributed team.

The New York Times is seeking a dynamic and experienced Senior Engineering Manager to lead our Messaging Platforms team. In this pivotal role, you will oversee the development and management of our messaging systems, ensuring they meet the high standards of quality and performance expected by our millions of users. You will work closely with cross-functional teams to drive innovation and improve user engagement through effective communication platforms.