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  • Senior API Engineer — ERP, Java REST/SOAP

    A technology solutions provider located in Chester County is looking for an experienced professional for API design and development. The role involves managing team technical activities, translating business needs into effective API designs, and participating in building... 
    Senior

    Celandyne

    Downingtown, PA
    1 day ago

  • Sr. API Developer

     ...technical specifications and other documentation as required for projects or operations. Serve as a technical expert in mobile, web, API development and connected sensor technologies and perform design, code and config reviews to all changes to ensure technical and... 
    Senior

    Quaker Houghton

    Conshohocken, PA
    2 days ago

  • Senior API Migration Engineer (REST APIs - Cloud Migration)

     ...Senior API Migration Engineer (REST APIs - Cloud Migration) Anywhere Type: Contract Category: Engineer Industry: Financial Services Workplace Type: Remote Reference ID: JN -042026-106219 Date Posted: 03/31/2026 Shortcut:... 
    Senior
    Hourly pay
    Contract work
    Local area
    Remote work

    Eliassen Group

    Harrisburg, PA
    19 hours ago

  • Senior Developer Apache NIFI

     ...Role- Senior Developer Location- Oaks PA (3 days) Duration: Longterm Contract Senior Developer (Onshore) with experience...  ...individual would be assisting with a PS project to build an API-based integration between NiFi and Node.js applications. Having... 
    Senior
    Contract work

    E-Solutions

    Oaks, PA
    3 days ago

  • Senior Developer

     ...JPC Partners is looking for a Senior Developer that will play a crucial role in streamlining services and providing efficient solutions....  ...Experience with making requests, understanding RESTful APIs, and handling data exchange over protocols Robotic Automation... 
    Senior

    JPC Partners

    Philadelphia, PA
    1 day ago

  • Senior Chatbot/Voice Enablement Developer

     ...Senior Chatbot/Voice Enablement Developer | Harrisburg, Pennsylvania, United States Job Description: What success looks like in this role:...  ...with Client platforms (CRM, ITSM, security solutions) via APIs and event-driven architectures. Ensure compliance... 
    Senior

    Indotronix International Corporation

    Harrisburg, PA
    2 days ago

  • Senior Developer

     ...Required: 2-3 years .Net experience developing modern Azure solutions using PaaS components (Logic Apps, Azure Functions). Microsoft Azure...  ...C# / .Net Core technology stack. Experience with building API interface to legacy storage database like Oracle and SQL databases... 
    Senior

    Avani Technology Solutions

    Allentown, PA
    19 hours ago

  • Senior Developer

     ...Job Description - Responsibilities Design, develop, and maintain account synchronization processes between the legacy Transfer...  ...timeliness of account data across systems. Build and support APIs, batch jobs, and event-driven services leveraging AWS-native... 
    Senior

    RIT Solutions, Inc.

    Malvern, PA
    1 day ago

  • UiPath Senior Developer

     ...Role Overview: This role involves working as a UiPath Senior Developer with hands-on experience in UiPath Studio, Orchestrator, and Robots...  ...data processing, or integrations Experience consuming REST APIs, working with JSON/XML, and handling web services... 
    Senior

    Prophecy Technologies

    Malvern, PA
    2 days ago

  • Software Engineer Sr - JAVA/Linux/API/SQL/AML

    $55k - $132.5k

     ...customizing RCM workflows, AIS visual modeling, alert management, and UDM (Unified Data Model). Integration & Tools: Experience using APIs (REST/SOAP), Autosys/Control-M for scheduling, and tools like JIRA or HP QC ALM. Functional & Domain Knowledge Financial Crime... 
    Senior
    Full time
    Contract work
    Temporary work
    Part time
    Work experience placement
    Work at office

    PNC

    Pittsburgh, PA
    4 days ago

  • Senior GIS Developer

     ...Senior GIS Developer Location: Onsite, US: Preferred location: Wayne, PA JD: Full stack developer with solid development experience in...  ...Map 3D mapping Experience with AG-Grid, Highchart, MUI-X API's, or other opensource javascript/typescript framework libraries... 
    Senior

    Info Way Solutions

    Wayne, PA
    2 days ago

  • Senior Frontend Developer

     ...Job Title: Sr. Front End Developer Location: Oaks, PA - Hybrid Job Type: Contract Job Description...  ...responsive design, and component-driven development. • Solid understanding of RESTful APIs, JSON, and client-side state management.
    Senior
    Contract work

    E-Solutions

    Oaks, PA
    4 days ago

  • Senior .NET Developer

     ...and determine the eligibility and issue the benefits. Role Title : Mid-level .NET Developer Required Skills .NET core, MVC Framework, Rest API, SOA services with 10+ years' experience Preferred Skills Ability to analyze and design... 
    Senior

    Damco Solutions

    Mechanicsburg, PA
    3 days ago

  • Senior Software Developer/.NET/150k/Onsite/Bryn Mawr

     ...company working in the medical software space is looking to add a senior developer on a direct hire basis. This is an onsite role, 5 days a week...  ...for a developer with 5+ years' experience with .NET, C#, APIs, Azure, and SQL Server. This is an excellent opportunity... 
    Senior
    Full time

    Motion Recruitment

    Bryn Mawr, PA
    1 day ago

  • API Developer

     ...Responsibilities Kforce has an immediate need for an API Developer for a 6-9 month, contract to hire position (onsite full time) in...  ...future of the platform that we are building for the clients. As a Senior API Developer, you will be responsible for designing,... 
    Suggested
    Hourly pay
    Full time
    Contract work
    Immediate start

    Kforce

    Pittsburgh, PA
    2 days ago

  • Jira Developer (API Integration)

     ...Job Description A healthcare client is seeking to hire a Jira Developer to integrate their internal and third-party systems' APIs as the organization does an enterprise wide Jira implementation. Currently, their project delivery teams are using several different tools... 

    Insight Global

    Philadelphia, PA
    2 days ago

  • API Developer

     ...Skill: API Developer Must Have Technical/Functional Skills: Design, Build and maintain APIs. Required minimum of 6 years professional experience designing and developing Rest APIs and other (Kafka) Data Streaming services. Experience... 

    Jconnect Inc

    Pittsburgh, PA
    4 days ago

  • API developer - (Spring boot, Inner and Out)

    $100k - $130k

     ...I, Salman Shaikh would like to share a job opportunity as PI developer - (Spring boot, Inner and Out) based in Pittsburgh PA/ Strongsville...  ...PI Developer Design, develop, and maintain APIs for web and mobile applications. This includes implementing APIs... 
    Full time
    Work visa

    Syntricate Technologies

    Pittsburgh, PA
    4 days ago

  • Senior Java Developer

     ...Senior Java Developer Location: Malvern, PA Fulltime only Min 8+ yrs hands on experience in Java / J2EE framework driven development...  ...in CI/CD pipelines, SQL. Experience in integrating Rest API's. Development and support of critical Java based... 
    Senior
    Full time

    Syntricate Technologies

    Malvern, PA
    19 hours ago

  • Senior Front End Developer

     ...Title: Senior Front End Developer Location: King Of Prussia, PA Duration: 6+ Months Requirements: : ~5+ years web...  ...Javascript ES6.. ~ Experience with SQL, Git, and working with APIs. ~ Experience with MiniTest/RSpec, Jasmine or other... 
    Senior
    Work experience placement

    TWO95 International

    King of Prussia, PA
    3 days ago

  • Senior AEM Full Stack Developer

     ...comfortable with the Job Description below. Job Title: Senior AEM Full Stack Developer Location: Malvern, PA (Onsite) Job Type: contract...  ...native solutions using AWS services such as Lambda, S3, EC2, API Gateway, DynamoDB, RDS, or others depending on project needs... 
    Senior
    Contract work

    Diverse Lynx

    Malvern, PA
    2 days ago

  • Senior Web Developer

     ...Description As a member of the Information Services Department, the Senior Web Developer is responsible for developing high-performance web...  ...Agile/Scrum environments preferred. ~ Experience integrating APIs and third-party services preferred. ~ Strong experience... 
    Senior
    Full time
    Contract work
    Work at office

    Fox Rothschild

    Warrington, PA
    4 days ago

  • Senior Drupal Developer - Backend - Temp

    $110k - $140k

     ...Join our team to build and enhance enterprise Drupal solutions. As a Senior Drupal Developer , you'll leverage your expertise in custom module development, API integration, and site building to create robust digital experiences while working with cutting-edge tools like... 
    Senior
    Temporary work
    Remote work

    EPAM Systems Inc

    Conshohocken, PA
    3 days ago

  • Senior Java Developer

     ...: Java, Spring Boot, AWS/Azure Tmobile experience with Network/provisioning/activation API's Proficiency in Java programming language. Strong experience developing RESTful microservices using the Spring Boot framework. Experience designing and implementing... 
    Senior

    Omni Inclusive

    West Chester, PA
    1 day ago

  • Senior C/C++ Linux Engineer (Philadelphia, PA)

    Responsibilities: Design, develop, and maintain real-time, fault-tolerant C/C++ applications on Linux platforms Migrate legacy GUIs...  ..., and GUI performance tuning Exposure to low-level graphics APIs such as OpenGL or Vulkan. Ability to develop custom Wayland protocols... 
    Senior
    Contract work

    Cedent

    Philadelphia, PA
    1 day ago

  • Senior AWS Python Developer

     ...Role: Senior AWS Python Developer Location: Malvern, PA (Onsite) Contract Job Summary We are seeking a highly skilled...  ...like Glue, Lambda, and Step Functions Develop RESTful APIs and microservices-based architectures Work with large... 
    Senior
    Contract work

    AceStack LLC

    Malvern, PA
    4 days ago

  • Senior AWS Cloud Infrastructure Engineer (Terraform / IaC)

     ...Role Overview We are seeking a Senior AWS Cloud Infrastructure Engineer who excels at designing, provisioning, and managing cloud...  ...experience with the AWS Serverless stack (Lambda, DynamoDB, API Gateway, S3) is a strong plus. Terraform & Infrastructure as... 
    Senior
    Remote work

    DCM INFOTECH LIMITED

    Philadelphia, PA
    1 day ago

  • Senior Developer Services Specialist

    $100k - $150k

     ...Posting Type Hybrid/Remote Job Overview The Senior Developer Services Specialist is a technical leader and trusted advisor who...  ...developers visualize the recommended way to consume platform tools and APIs. ~ Leverage deep platform, API, and extensibility... 
    Senior
    Remote work

    Relativity Inc

    Philadelphia, PA
    5 days ago

  • Senior Full-Stack Engineer for AI-Driven Enterprise (Remote)

    $125k

    A leading automotive technology firm is seeking a Senior Full-Stack Developer to join their team in building a cutting-edge enterprise platform. This...  ...in Python and React, as well as experience integrating LLM APIs. You will be instrumental in designing and implementing... 
    Senior
    Remote job

    Parts Authority LLC

    California, PA
    4 days ago

  • Senior C++ Workstation Developer

     ...Job Title: Senior Linux C/C++ Workstation Developer Location: Onsite - Philadelphia, PA Work Hours: Between 7:00 AM and 6:00 PM EST (Standard 8...  ...migrated to modern toolkits. Documentation including API references, migration plans, and user manuals. Test... 
    Senior
    For contractors
    Shift work

    Lumen Solutions Group, Inc.

    Philadelphia, PA
    2 days ago