api developer jobs in Philadelphia

1,000 api developer job listings in United States. Find daily updated positions from leading job boards.


  • Philadelphia, Pennsylvania, United States HealthVerity Full-time $280,000 - $320,000 Contract

    About HealthVerity HealthVerity is the leading infrastructure provider for identity, privacy, governance, and data exchange to pharma, insurers, and government. Our platform manages 250+ billion HIPAA-compliant transactions across 340 million Americans, with privacy-protecting identity resolution that is 10x more accurate than traditional methods, and is...

  • Staff .Net Engineer

    7 days ago


    Philadelphia, Pennsylvania, United States Join Our Mission Full-time

    About the roleAt NeuroFlow, a Staff Software Engineer serves as a technical authority, bringing exceptional architectural vision and leadership to transform our behavioral health technology platform. In this role, you'll define engineering standards, design scalable systems, and drive innovation that fundamentally advances healthcare delivery.What you'll...


  • Philadelphia, Pennsylvania, United States Join Our Mission Full-time

    About the RoleAs a Senior Software Engineer at NeuroFlow, you bring deep full-stack expertise and sound technical judgment to complex engineering problems in behavioral health technology. You take ownership of significant pieces of the codebase and architecture, mentor other engineers, and partner with stakeholders beyond your immediate team to make sure...


  • Philadelphia, Pennsylvania, United States Affirm Full-time $204,000 - $290,000 Contract

    At Affirm, we exist for the moments that matter—giving people a clear, predictable way to pay over time, with no hidden fees, no surprises, and no tradeoffs on what matters most. As a Staff Software Engineer on the Order Platform team, you'll shape the systems that power every Affirm purchase after checkout — orders, captures, refunds, and settlement...


  • Philadelphia, PA, Philadelphia County, PA; Pennsylvania, United States Swiftly Full-time

    Company Description Swiftly is on a mission to help cities move more efficiently. We are the leading transit data platform for agencies to share real-time passenger information, manage day-to-day operations, and improve service performance. Today, over 200 transit agencies in 12 countries – including LA Metro, MARTA, SEPTA, and MBTA – rely on Swiftly...


  • Philadelphia, Pennsylvania, United States Abraxas Youth & Family Services Full-time $21 - $24 Permanent

    ❤️ Make an Impact Every Day by Keeping Our Communities Safe & Supported Facilities Specialist Full-Time | Monday–Friday | 8:00 AM–4:00 PM | Doylestown, PA and Germantown, PA Looking for More Than Just a Job? At Apis Services, Inc. and our affiliated organizations, we're more than a workplace—we're a team committed to creating safe, supportive,...


  • Bala Cynwyd (Philadelphia Area), Pennsylvania, United States Susquehanna International Group, LLP Full-time

    Overview Our Machine Learning Engineering Internship is a 10-week immersive experience designed for students who are passionate about building the systems at the intersection of machine learning, large-scale data, and markets.   As a Machine Learning Engineering Intern, you'll work on high-impact projects that closely reflect the challenges...

  • Power BI Developer

    3 weeks ago


    Philadelphia, Pennsylvania, United States Contact Government Services LLC Full-time

    Power BI DeveloperCGS is seeking a Power BI Developer to join our team in supporting a wide-ranging technical support initiative for a large Federal agency. CGS brings motivated, highly skilled, and creative people together to solve the government's most dynamic problems with cutting-edge technology. To carry out our mission, we are seeking candidates who...


  • Philadelphia, PA, Philadelphia County, PA; Pennsylvania, United States Algolia Full-time

    At Algolia, we’re proud to be a pioneer and market leader in AI Search, empowering 17,000+ businesses to deliver blazing-fast, predictive search and browse experiences at internet scale. Every week, we power over 30 billion search requests — four times more than Microsoft Bing, Yahoo, Baidu, Yandex, and DuckDuckGo combined. This strong foundation...

  • Head of Data

    4 days ago


    Philadelphia, PA, United States, PA Grant Thornton - US Full-time $206,000 Contract

    **Grant Thornton is seeking a Sr. Director, Head of Data & Analytics to join the team. Approved office locations can be found below.** The Sr. Director, Head of Data & Analytics is responsible for leading the firm's enterprise Data & Analytics organization, including the strategy, delivery, governance, and operational management of the enterprise data...


  • Philadelphia, PA, Philadelphia County, PA; Pennsylvania, United States Bdr Solutions Llc Full-time

    BDR Solutions, LLC, (BDR)  supports the U.S. Federal Government in successfully achieving its mission and goals. Our service and solution delivery starts with understanding each clients end-state, and then seamlessly integrating within each Agencys organization to improve and enhance business and technical operations and deployments. BDR  is seeking a ...


  • Philadelphia, Pennsylvania, United States Futran Tech Solutions Pvt. Ltd. Full-time

    Senior Power BI DeveloperLocation: Philadelphia, PA Duration – Long Term Client - Wipro / Confidential Minimum 5+ Years of Recent Experience in Tableau is MandatoryRoles and Responsibilities: Design, develop, and maintain reports and dashboards in Tableau and Power BI for operational and executive audiences.Write and optimize complex SQL queries for data...

  • .NET Developer

    2 weeks ago


    Philadelphia, Pennsylvania, United States Mondo Staffing Agency Full-time $50 - $60 Permanent

    Apply now: .NET Developer; location is Remote (Tri-State preference). The start date is ASAP for this 6-9 month contract-to-hire position.Job Title: .NET DeveloperLocation-Type: Local Remote to Philadelphia, PA - Must be located in the Tri-State area (PA, NJ, DE, NY)Start Date Is: ASAPDuration: 6-9 months, contract-to-hire possibleCompensation Range: $50-60...


  • Philadelphia, Pennsylvania, United States The Jonus Group Full-time

    Job Description Senior Software Engineer (.NET & Cloud Technologies) Job Summary Seeking a highly skilled and experienced Senior Software Engineer with expertise in .NET and cloud technologies to join a dynamic product development team. In this role will play a pivotal part in designing, developing, and enhancing a modern enterprise platform. Collaborating...


  • Philadelphia, Pennsylvania, United States Urban Outfitters Full-time

    Role Summary Nuuly is seeking a Senior Business Systems Analyst that will join our Product & Technology organization supporting the development and delivery of our custom warehouse management, order management, and logistics solutions. The BSA will partner closely with Product Management and Engineering to understand functional needs and...


  • Philadelphia, Pennsylvania, United States JPMorganChase Full-time

    DescriptionDesign payment solutions that eliminate payment friction between providers, payers, and patients—freeing healthcare organizations to focus on what matters: better care, faster innovation, and increased access at scale. As a Senior Client Solutions Architect Associate in Healthcare Payments, you play a key role in supporting the solutioning...


  • Bala Cynwyd (Philadelphia Area), Pennsylvania, United States Susquehanna International Group, LLP Full-time

    Overview We are seeking a Data Engineer to join our Systematic Delta One desk, where engineers, researchers, and traders work side-by-side to develop scalable, fully automated trading strategies across liquid global products and venues. Partnering closely with our quantitative researchers, this role owns the path from raw vendor and alternative...


  • Philadelphia, Pennsylvania, United States Georgia IT Inc Full-time

    Automated Test Engineer With Selenium And TestngWorks closely with developers and product owners to analyze technical requirements and develop automated tests that validate RESTful Web Services. Analyzes API specifications and creates test scenarios and automated tests using Python, utilizing Python libraries such as requests and unit test. Works in an agile...

  • Remote Mulesoft Lead

    3 weeks ago


    Philadelphia, PA, Philadelphia County, PA; Pennsylvania, United States Encora Full-time

    MuleSoft Lead Developer   Location: Remote (EST preferred)  Key Responsibilities   Lead integration strategy and execution: Design and deliver scalable, reusable MuleSoft APIs and integrations while ensuring alignment with business needs and technical standards.   Collaborate at all levels: Partner with architects, business analysts, and stakeholders...


  • Philadelphia, PA, Philadelphia County, PA; Pennsylvania, United States T H E O R I Full-time

    We’re looking for an experienced backend engineer to help build and scale the next generation of AI-driven cybersecurity platforms at Theori. You’ll play a key role in architecting and implementing core backend systems that power Xint, our autonomous penetration testing framework.   This is a foundational role in our NA engineering team—ideal for...