Senior Backend Engineer
$160k - $180kNextDeavor
Senior Backend EngineerFull-time New York, NY, US Exclusive confidential search — details shared with qualified applicants.You will help build the enforcement infrastructure that ensures AI-driven communication is safe and compliant, delivering low-latency, reliable systems used across the organization. You will work as an individual contributor with significant architectural ownership, collaborating closely with engineering peers and product stakeholders. Hybrid (3 days onsite) in the New York City area.Here's how you'll make an impact on the team:Build the layer that connects AI agents and developer frameworks: proxies, SDKs, and agent toolingOwn the policy backend, including connectors, ingest of rule sources and restricted lists, and the engine that tracks rule changesBuild controls that determine what each agent is allowed to doDesign and operate systems to meet low latency and high reliability under enterprise loadMaintain a high bar for security and data protection when handling sensitive contentHere's what you'll need to be successful in this role:5+ years building and running production backends at scaleStrong experience in a modern backend language (Go, Python, Java, or Node)Solid knowledge of APIs, distributed systems, databases, queues, and cachingExperience with cloud environments, containers, and CI/CDFocus on latency, reliability, and writing clean codeHere's what else might help you out:Experience with low-latency or real-time systemsExperience building SDKs, proxies, or developer-facing infrastructureExperience working with sensitive or regulated dataPay range: $160,000 - $180,000/yearReady to make your mark?This role may fill quickly. Submit your resume to be considered.Apply with Pioneers here
$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- ...reliability — and grow the team that runs it. This is a high-impact engineering role with meaningful equity, real ownership, and direct... ...scales. What you'll do Set the architecture. Own how our backend fleet and data pipeline fit together, and where they go next....SeniorFull time
- ...opportunity to help build core infrastructure for the next generation of financial markets. About the Role As a Senior Rust Backend Engineer, you will work across the platform with a high-performing engineering team. You’ll design, architect, and build core and...SeniorFull time
$160k - $240k
...leading investors, the company is expanding rapidly and looking for engineers who thrive in a fast-paced, high-ownership environment where... ...product and business. About the Role Design and build backend services powering fintech and SaaS products for healthcare customers...SeniorFull timeWork at officeRemote work$250k
...and 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...Senior$250k
...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$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$173.48k - $213.96k
ABOUT THE ROLEWe are seeking a seasoned backend software engineer and hands-on technical lead to drive the expansion of Peloton’s e-commerce platform across web, retail, and emerging sales channels. In this role, you will architect and scale high-performance, resilient...SeniorLocal area- ...Senior Backend EngineerOur client is building AI technology to make healthcare accessible and free for everyone. They are seeking backend engineers to develop scalable infrastructure that supports billions of AI driven consultations while ensuring medical safety and HIPAA...Senior
- ...Senior Backend EngineerWe're seeking a Senior Backend Engineer with a passion for systems architecture, data modeling, and large-scale workflow orchestration. In this role, you'll architect and implement features end-to-end across our backend services and infrastructure...SeniorWork at office
- ...brands to build a deep, systematic understanding of trends, audiences, and influence. You’ll join a small but mighty team where engineers own systems end-to-end — not tickets. You’ll work directly with founders, shape foundational architecture, and make decisions that...Senior
- ...Senior Backend EngineerEllipsis Labs is a profitable, venture-backed New York-based startup building sustainable and efficient DeFi protocols... ...Solana markets.Ellipsis Labs is seeking a Senior Backend Engineer to join our team. As an early-stage startup, we appreciate bright...Senior
- ...Chairs and Ophelia) and an ex-Amazon Alexa engineer who led AI/ML teams at Salesforce. We've... ...and the opportunity to own foundational backend systems at a critical inflection point.Mission... ...and architecture with the CTO and a senior engineer.Onsite Team Day (Half Day, NYC):...Senior
- ...A financial data platform is looking for a Backend Engineer to help turn complex, unstructured financial documents into data that powers real client decisions. This role sits at the intersection of LLMs, document parsing, and backend architecture, with the chance to build...Senior
- ...Backend EngineerFull-time | NYC / Remote | BenefitsDaze is a social calendar with powerful creative tools for scheduling your future... ...What We're Looking ForWe are looking for an experienced backend engineer to help design and maintain a secure and scalable service infrastructure...SeniorRemote work
$180k - $200k
...brands improve their products, customer experiences, and business performance. About the Role We are seeking a Senior Backend / AI Platform Engineer to join a small, highly collaborative engineering team in New York City. This is an opportunity to take significant...SeniorFull timeVisa sponsorship- ...Senior Backend Engineer | FinTech Data Platform We're partnering with an innovative and rapidly growing technology business that is transforming how financial data is extracted, structured, and delivered through cutting-edge AI, NLP, and machine learning technologies...SeniorWork at officeRemote work
$170k - $210k
...a self-service-first purchasing experience that exceeds customer expectations before and after their rug purchase. As a Senior Backend Engineer, you will be a foundational member of the engineering team building Ernesta's in-house order management system from the ground...Senior- ...Giga Backend EngineerGiga has recently raised a $61M Series A and is working with Fortune... ...you!The RoleWe're looking for backend engineers to build the infrastructure and systems... ...agent in lieu of formal customer APIsAs a senior engineer, you'll be expected to make sound...Senior
$163k - $246.5k
...Backend EngineerAs a Backend Engineer, you'll work on our backend and infrastructure systems to design, build and maintain a fast and reliable user experience for our customers. You'll collaborate with other engineers to develop the APIs, data models and services that...SeniorCurrently hiringLocal areaRemote workWeekend work3 days per week$250k
...ubiquitous beacon of truth in global media and we need your help adding fuel to the fire.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...Senior£50k - £70k per year
...the globe, we value and emphasise clear, continuous and transparent communication as highly as technical skills. As our Senior Backend Game Engineer, you will be responsible for designing, developing, and maintaining scalable backend systems and services that support our...SeniorRemote workWorldwide- ...Lev Engineering Team RoleLev is the operating system for commercial real estate transactions. Too many transactions today are still run... ...stack consists of: Python, Flask, GraphQL, and Postgres on the backend and React.js on the Front-end. We also have some services written...SeniorWork at office
- ...with a customer to post-release monitoringSet technical direction across projects, mentor engineers, and raise the bar on how the team buildWhat You'll Bring5+ years of backend engineering experienceA strong eye for performance, reliability, and robust systems designYou...SeniorFlexible hours
- ...demanding standard that pushes us to the best we can be. About the Role We are looking for a highly skilled and adaptable Senior Backend Engineer to help build and expand the core services of the Ferry platform. You’ll be a critical member of the team in designing,...SeniorFull time
- ...Senior Backend Software EngineerAs a Senior Backend Software Engineer on our Diagnostics team, you'll build the part of Regard that reads a patient's medical chart — labs, medications, vitals, procedures, prior notes, history — and determines which conditions are present...SeniorWork at officeLocal areaHome officeVisa sponsorshipRelocation package2 days per week1 day per week
$182.75k - $278.5k
...summaries that give providers their time back.The Insurance Billing Engine: We apply AI pragmatically to reduce administrative burdens for... ...: We're moving toward a patient-centric model. Build the backend services that power personalized care recommendations, health tracking...SeniorFlexible hoursShift work- ...and Android apps and webpage that work across the world is the engineering team. We are in charge of creating, developing, improving, and... ...office friendly What are we looking for: We are looking for a Senior Software Engineer to join the Engineering team with...SeniorLocal areaWork from homeHome officeFlexible hours
$150k - $170k
...Senior Backend Engineer Job AdvertIndustrious's Growth Engineering team owns every customer-facing surface we build: the member portal, the mobile app, the public site, for a member base growing alongside 100+ new locations this year. This Senior Backend Engineer seat...SeniorWork at officeLocal areaRemote work- ...Senior Backend EngineerKensho is S&P Global's hub for AI innovation and transformation. With expertise in machine learning, natural language... ...and resources to explore new ideas, but always rooted in engineering best practices. As a result, we can innovate rapidly to...SeniorWork at officeWorldwide
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