backend engineer jobs in Philadelphia

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245 backend engineer job listings in United States. Find daily updated positions from leading job boards.

  • Backend Engineer

    2 days ago


    Philadelphia, Pennsylvania, United States AfterQuery Experts Remote Full-time $50 - $100 Permanent

    AfterQuery is looking for experts with experience in software engineering, computer science, or app/web development to help train and evaluate AI models. This is a remote, project-based role: qualify once through a single assessment and receive ongoing project matches spanning code review, evaluation, and original task creation. Pay ranges from $50 to...


  • Philadelphia, Pennsylvania, United States Pivotal Solutions Full-time

    Position Overview:We are seeking an experienced Senior Backend Engineer with strong Java expertise to join our growing engineering team. The ideal candidate will have a deep understanding of building scalable, resilient, and high-performance backend systems. This individual will collaborate closely with cross-functional teams, helping shape the future of our...


  • Philadelphia, Pennsylvania, United States Bainbridge Health Full-time

    Who We AreBainbridge Health unlocks the full value of pharmacy data to enhance the safety, efficiency and reliability of medications. Our goal is to make it easier for pharmacy and safety leaders to prevent patient harm, reduce avoidable waste, and help clinicians regain control of their time. A spin-out company of the Children's Hospital of Philadelphia, we...

  • Backend Engineer

    5 days ago


    Philadelphia, PA, United States YO AI Labs Full-time

    Job DescriptionJob DescriptionSenior Software EngineerJob Type: Contractor (~15 hours/week)Location: RemoteJob SummaryWe are seeking experienced Senior Software Engineers to support an AI training project by creating reinforcement learning environments that evaluate AI models on complex software engineering tasks using Model Context Protocol (MCP) tools.You...


  • Philadelphia, Pennsylvania, United States PKR Full-time $200,000 - $250,000 Contract

    Who Our Client Is: Our client builds the geolocation compliance layer for regulated online sports betting and gaming. Before an operator can accept a wager, it must prove the player is physically located where the law requires and show this to a regulator on demand. Our client solves this in real time and at scale for some of the largest betting operators...


  • Philadelphia, Pennsylvania, United States Perpay Full-time $160,000 Contract

    About Us: Perpay is a certified B Corp and Philadelphia’s most impactful growth-stage startup. We are driven by a mission to significantly improve the financial stability of everyday Americans. For the past decade, we have established strong product-market fit and a profitable, efficient operating model across a suite of products, positioning Perpay as the...


  • Philadelphia, PA, United States Panna Knows LLC Full-time

    Lead Backend Software EngineerOur client builds the geolocation compliance layer for regulated online sports betting and gaming. Before an operator can accept a wager, it must prove the player is physically located where the law requires and show this to a regulator on demand. Our client solves this in real time and at scale for some of the largest betting...


  • Philadelphia, Pennsylvania, United States VetsEZ Remote Full-time

    VetsEZ is currently seeking a Senior Backend DevOps Engineer for a 100% remote position supporting the Department of Veterans Affairs’ Joint Longitudinal Viewer (JLV) program. JLV is a mission-critical clinical application that aggregates real-time patient data from VA and DoD systems, enabling clinicians to access a unified longitudinal view of patient...


  • philadelphia, pa, United States US Full-time

    About the Role Our client is seeking a talented and experienced Remote Senior Software Engineer specializing in backend development to join their innovative engineering team. This role is integral to designing, developing, and maintaining scalable, high-performance server-side applications that drive our core products. You will collaborate with...

  • Backend Developer

    18 hours ago


    Philadelphia, Pennsylvania, United States a16z Games Remote Full-time

    We are an innovative startup in the social casino space seeking a curious, self-starting Golang Developer to join our growing team. This is an exciting opportunity to contribute to a high-traffic, multi-tenant, server-side rendered application from the ground up. Our ideal candidate has some full stack development experience, skewing more heavily on the...

  • Backend Developer

    4 days ago


    Philadelphia, PA, United States Georgia IT Inc Full-time

    Backend DeveloperRate: $55/hour on W2 Job Location: Philadelphia, PA Scope: Seeking a Software Developer to join a group responsible for ensuring the timely development, testing, and release of new XFINITY interactive web products with a high degree of quality that exceeds customer expectations. This role will involve collaborating with other developers,...


  • Philadelphia, PA, United States Arbor Tek Systems Full-time

    Role: Java Backend DeveloperLocation: Philadelphia, PA- OnsiteJob Type: ContractExperience:- 10+ Years of ExpResponsibilitiesDesign and develop new platform capabilities while ensuring the reliability, scalability, and performance of the Connected Living GraphQL middleware platform.Collaborate closely with fellow engineers to build, enhance, and maintain...


  • Philadelphia, PA, United States YO AI Labs Full-time

    Job DescriptionJob DescriptionBackend Java Developer Job Type: ContractorLocation: RemoteJob Overview We are seeking experienced Backend Java Developers to support a high-impact technology and AI training project. In this role, you will apply your backend development expertise to design, develop, review, and optimize scalable systems using Java, Spring Boot,...


  • Philadelphia, Pennsylvania, United States Medical Guardian Full-time

    DescriptionAbout Medical Guardian Medical Guardian is a fast-growing digital health and safety company on a mission to help people live a life without limits. We support over 625,000 members nationwide with life-saving emergency response systems and remote patient monitoring solutions. Trusted by families, healthcare providers, and care managers, our work...


  • Philadelphia, Pennsylvania, United States PKR Full-time $195,000 - $230,000 Contract

    Who Our Client Is: Our client builds the geolocation compliance layer for regulated online sports betting and gaming. Before an operator can accept a wager, it must prove the player is physically located where the law requires and show this to a regulator on demand. Our client solves this in real time and at scale for some of the largest betting operators...


  • Philadelphia, PA, United States Invictus Pro Talent Full-time

    Position Summary The Kubernetes Platform Engineer – Voice Services Modernization is responsible for designing, deploying, automating, and operationalizing cloud-native infrastructure for mission-critical voice applications. This role focuses on transforming traditional VM-based voice middleware and backend services into scalable, resilient Kubernetes-based...

  • Java Engineer

    18 hours ago


    Philadelphia, Pennsylvania, United States Quantix Full-time

    Company DescriptionOur client is a "top shelf" financial institution headquartered in New York with software development in Colorado.  Work with the latest and greatest software development tools and true software engineering mindset.  Our client offers outstanding compensation and benefits, including up to a 20% bonus, 6% 401K match and incredible health...


  • Philadelphia, Pennsylvania, United States Globalchannelmanagement Full-time

    Kubernetes Platform Engineer requires: Voice Services Modernization Expert-level Kubernetes administration, deployment, lifecycle management, and troubleshooting Strong Ansible experience including role and playbook development CI/CD pipeline development and automation experience Cloud platform administration (AWS, Azure, GCP, ...


  • Philadelphia, Pennsylvania, United States Bainbridge Health Full-time

    Who We AreBainbridge Health unlocks the full value of pharmacy data to enhance the safety, efficiency, and reliability of medications. Our goal is to make it easier for pharmacy and safety leaders to prevent patient harm, reduce avoidable waste, and help clinicians regain control of their time. A spin-out company of the Children’s Hospital of Philadelphia,...


  • Philadelphia, PA, United States Bentley Systems Full-time

    HybridExton, Pennsylvania, United StatesUS Philadelphia Old City OfficeFull timeRC168Software Engineer, Documentation PlatformLocation: Exton, PA or Philadelphia (Hybrid, 3 times a week, in-office)Position Summary:Bentley's documentation platform, docs.bentley.com, helps engineers and infrastructure professionals around the world learn, discover, and get...