Sr. Backend Engineer
Motion Recruitment
New York City, New York100% RemoteDirect Hire$200k - $250kA high-growth, performance-driven technology company focused on sleep fitness is looking for a Senior Software Engineer to help expand product capabilities and scale its backend systems. The team builds advanced hardware, software, and AI technology to deliver personalized, data-driven sleep experiences to users worldwide. In this role, you will work on distributed backend systems that power critical business logic and enable communication across embedded, machine learning, mobile, and business intelligence systems. ResponsibilitiesMaintain and improve large-scale data processing pipelines Develop tools to ensure availability and automation of 30 microservices Build and enhance backend services and product features Design and support distributed systems that impact the end-user experience Collaborate across engineering teams including mobile, ML, and embedded systems Required Qualifications8+ years of software engineering experience 5+ years of backend engineering or SRE experience Experience with distribution systems Strong proficiency in at least two languages such as: Java (Scala/Kotlin) C#/.NET (or F#) Python Node.js with TypeScript Deep understanding of cloud services and system design Preferred QualificationsPassion for building scalable, high-performance systems Strong problem-solving and system-level thinking skills Ability to work in a fast-paced, high-performance environment Interest in understanding how systems work under the hood Why JoinWork on cutting-edge technology in a rapidly growing category (sleep fitness) High-impact role with immediate ownership and visibility Opportunity to collaborate with highly talented, driven teams Fast-paced environment focused on innovation and excellence Competitive compensation, equity, and strong benefits package
- ...to pursue a world-changing mission. They are building a diverse team of dynamic engineers creating high quality, high impact products at scale and we’re looking for a senior backend engineer with experience of Ruby on Rails to provide leadership to our growing backend...SeniorFull time
$167k - $219k
...content indexed, the services that query it, and the systems that serve it with high relevance and low latency. We're looking for a Backend Engineer who can own this end-to-end: from data ingestion and Elasticsearch index design through the retrieval/query services that...SeniorWork at office2 days per week- ...global scale, come make a difference at Fiserv.Job TitleSr. Backend EngineerAbout your roleOur Employees team is dedicated to building... ...optimize labor costs, and streamline team operations. As a Sr. Backend Engineer, you will serve as a primary technical architect and leader...SeniorFull timeWork at officeMonday to FridayShift work
- We have a current opportunity for a Backend Engineer (Python jr-sr level) on a permanent basis. The position will be based in New York City. This is an opportunity to join a fast-moving, collaborative engineering team building products that sit at the intersection of backend...SeniorPermanent employment
- ...your potential. Our team is key to our success. We’re people-first. We value collaboration, curiosity and commitment. As a Sr Lead Software Engineer at JPMorgan Chase within the Accelerator business, you are the heart of this venture, focused on getting smart ideas into...Senior
$140k - $215k
...and each other. Ready to join a mission that matters? The future of cybersecurity starts with you.About the Role:As our new Senior Engineer - Cloud, you’ll be part of the GDI (Getting Data In) group under NG-SIEM with a focus on data ingestion at petabyte-scale. The...SeniorFull timeWork experience placementWork at officeLocal area$126k - $197k
...City, Salt Lake City, London, Edinburgh, Pune, Dubai, Geneva and São Paulo. The Role We are seeking an experienced backend software engineer to join the Platform Integrations team! We are looking for a senior engineer to join us in building client onboarding...SeniorFull timeH1bRemote workWorldwideVisa sponsorshipWork visa- ...powered by fast, reliable, and deeply technical market infrastructure.About the rolePolymarket is looking for a senior/staff backend engineer to own the systems that connect our exchange to the outside world — market data distribution, order routing, and the high-throughput...Senior
$165 per hour
...DescriptionIf you say you have an idea and can covert that into a something beautiful, then you are the one we are looking for.As our Sr. Backend Engineer, you will be:You will develop efficient web services and APIsYou will participate in daily code deploys while working on...Senior$180k - $225k
...and technology to transform how people plan and book travel. ABOUT THE ROLE We’re looking for a seasoned Senior/Staff Backend Engineer to join us as we continue to build Fora’s products and infrastructure. Our ideal candidate is someone who understands our...SeniorFull timePart timeWork at officeWork from home- ...we need your help adding fuel to the fire.About the RolePolymarket is launching perpetual futures and we're looking for Senior Backend Engineers to own the core systems that make it run. This is backend exchange engineering in the truest sense: low-latency order matching...Senior
- ...media, powered by fast, reliable, and deeply technical market infrastructure.About the rolePolymarket is looking for a senior backend engineer to build and scale the payments infrastructure that powers deposits, withdrawals, and money movement across the platform.This...Senior
$150k - $300k
$150,000-$300,000 per annum New York, United States Permanent Senior Backend Engineer - New York My client is a well funded early stage startup building a high scale social platform from the ground up. They are focused on building persistent, high performance...SeniorPermanent employment- ...global media, powered by fast, reliable, and deeply technical market infrastructure.About The RolePolymarket is looking for a backend engineer to build the systems that power how markets are created, managed, and resolved at scale. This role is focused on automation pipelines...Senior
- ...global media, powered by fast, reliable, and deeply technical market infrastructure.About the rolePolymarket is looking for a backend/product engineer to own the core domain APIs and data models that power our consumer-facing product.You’ll work at the intersection of...Senior
- ...beacon of truth in global media and we need your help adding fuel to the fire.About the RolePolymarket is looking for a Senior Backend Engineer to join our DeFi Trading team and own core improvements to our exchange systems. You'll work across low-latency APIs, high-...SeniorImmediate start
$185k - $225k
...role:Salary range: $185k - $225k USD*We are looking for smart engineers who love to code, seek challenging problems, and appreciate recognition... ...full-stack, data, ML, and DevOps engineers to build scalable backend solutions as we continue to grow. We're a small team where...SeniorWork at officeRemote work$115k
TypeDirect PlacementSalary$115,000 / year Software Guidance & Assistance, Inc., (SGA), is searching for a Senior Full Stack / Backend Engineer for a full-time assignment with one of our premier media analytics and advertising technology clients. This is a remote position...SeniorFull timeRemote work$141k
...helping shape the future of emergency response and building a safer, more connected world.Position OverviewWe're hiring a Senior Backend Engineer to help build the future of Emergency Call Triage—an AI-powered platform that helps emergency communication centers identify...SeniorWork experience placementWork at office- ...banks and payment products were reinvented today, they would look like Fin. About the role We are looking for a Senior Backend Engineer to own the core systems that make this work. You will design and build the services that move real money, integrate with...SeniorFull timeWorldwide
- ...days in-office culture. Both founders are technical. Every engineer on the team has experience at early-stage startups. Several have... ...customers, make technical decisions, and ship. Role: Senior Backend Software Engineer We're a tiny engineering team building...SeniorFull timeWork at office
- ...A fintech startup in New York is seeking an experienced backend engineer to scale their systems supporting financial document automation. The role entails assessment of current architecture and designing scalable solutions to handle increasing data volume and sensitivity...Senior
- ...Kinvr is seeking a Senior/Staff Backend Engineer in New York City. Join a fast-growing travel tech company and contribute to complex booking systems, content and supplier integrations, and internal infrastructure. You will own epics end to end, collaborate with product...Senior
- ...OuterSignal, a startup building the customer intelligence layer for commerce, is seeking a senior backend engineer to own core systems and data pipelines. You’ll design scalable infra to process millions of orders, implement vector DB/RAG workflows, and ship end-to-end...Senior
- ...Axon is seeking a backend-focused software engineer to join the Prepared team in New York City. This hybrid position involves tackling challenges in audio/video processing and AI, ensuring the stability and speed of mission-critical systems. Applicants should have at least...SeniorFlexible hours
$195.5k - $264.5k
...Pave is looking for an experienced backend engineer to lead critical services on their compensation intelligence platform. The ideal candidate will have at least 5 years of experience in backend engineering, with a strong grasp of data-heavy applications using TypeScript...Senior- ...global media, powered by fast, reliable, and deeply technical market infrastructure.About the rolePolymarket is looking for a backend engineer to build the detection, monitoring, and case-management systems that keep our platform compliant and safe at scale.This role partners...Senior
- ...A leading global creator ecosystem is seeking a Senior / Staff Backend Engineer to architect and evolve the systems that power creator monetization and platform transactions. This remote role demands expertise in Node.js and TypeScript, focusing on building reliable backend...SeniorRemote work
- ...Inspekt AI in Bangkok is seeking a Senior Backend Developer to help build and maintain a scalable SaaS platform using Python and Django. You will write clean, efficient code, design robust architectures, and help prevent technical debt while delivering reliable software...Senior
- ...global media, powered by fast, reliable, and deeply technical market infrastructure.About the rolePolymarket is looking for a backend engineer to help build and scale the core exchange infrastructure that powers our markets. This role is focused on high-performance, low...Senior
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