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  • Senior JavaScript Backend Engineer (Remote) - REST APIs

     ...candidate should have over 7 years of Java development experience and at least 2 years working with Scala. Responsibilities include developing REST APIs, troubleshooting issues across different environments, and collaborating with business analysts for design improvements.... 
    Suggested
    Remote work

    Polar IT

    Wilmington, DE
    3 days ago

  • Backend Engineer Intern: APIs, FastAPI & Data Workflows

    $24 per hour

     ...assist in customer-facing verification and vendor integration initiatives. You will enhance backend services using Python and develop REST APIs, contributing significantly to real production systems. Candidates should have a strong Python foundation, an understanding of... 
    Suggested
    Hourly pay
    Internship

    Best Egg, Inc.

    Wilmington, DE
    3 days ago

  • Senior Java Backend Engineer - RESTful APIs & NoSQL

    Atria Group LLC seeks a backend-focused Java Developer with extensive experience in core Java and RESTful Web Services. This role requires strong communication skills and experience in Agile environments, catering to various clients across the United States. The position... 
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    Atria Group LLC

    Wilmington, DE
    4 days ago

  • API/Backend Engineer

     ...API/Backend Engineer Hybrid - Malvern, PA Job Summary We are seeking a highly capable API/Backend Engineer to join the API Engineering department. This role is focused on developing major enhancements and contributing to modernization efforts across... 
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    Flexible hours

    RIT Solutions, Inc.

    Malvern, PA
    1 day ago

  • Lead Backend Engineer - Java/Python, Cloud & API

     ...services firm seeks a Lead Software Engineer with expertise in backend development using Java or Python. Key responsibilities include developing high-quality production code, troubleshooting, and leading technical evaluations with vendors. Candidates should possess a solid... 
    Suggested

    JPMorgan Chase & Co.

    Wilmington, DE
    1 day ago

  • Lead Cloud Software Engineer - Java, API & AWS

     ...solutions or break down technical problems Develops secure high-quality production code, and...  ...leadership, design thinking and an API-first mindset Partners and collaborates...  ...Experience with building APIs - RESTful APIs, Web Services, Spring Boot Preferred qualifications... 
    Suggested

    Chase

    Wilmington, DE
    9 hours ago

  • Web Developer

    Web Developer Wilmington DE Job ID: 20984 Exciting Fulltime Opportunity in Wilmington, DE Skilled Web Developer with strong expertise in...  ...has experience building backend systems, integrating APIs, and collaborating with cross-functional teams to deliver high... 
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    Full time

    Friedman Williams

    Wilmington, DE
    1 day ago

  • Java Backend Engineer

     ...Looking for Local/Nearby W2 candidates Only Descpitption: Backend development, Spring Boot Java-based API development Minimum 6- 7 years in Software Developement AWS is plus- other cloud exp is ok CI/CD - deployment in production Relational database and... 
    Suggested
    Local area

    Brilliant Infotech

    Newport, DE
    4 days ago

  • Full Stack Java Developer

     ...solutions is looking for a Full Stack Java Developer Details: Full Stack Java...  ...application Develop external and internal APIs that provide data to our clients and...  ...code and unit test in the Angular, Rest Web Services and Java technologies for the Application... 
    Suggested
    Full time

    Nava Software Solutions

    Wilmington, DE
    5 days ago

  • Java Full Stack developer

     ...Java Full Stack Developer Outstanding long-term contract opportunity! A well-known Financial Services Company is looking for a Software...  ...similar impact areas. ~ Strong data integration skills: ETL, API data extraction, direct query, and on-prem/cloud data source integration... 
    Suggested
    Long term contract
    Full time
    Contract work
    Temporary work
    Flexible hours

    Motion Recruitment

    Wilmington, DE
    9 hours ago

  • Senior Java Full Stack Developer

     ...Role Name - Senior Java Full Stack Developer Location: Delaware Required Experience...  ...Boot 3.0 . Build and consume REST APIs and SOAP services for integration with...  ...ELK Stack REST API Development SOAP Web Services Secondary Skills (Good-to-Have... 
    Suggested

    Prophecy Technologies

    Wilmington, DE
    1 day ago

  • Java Full stack Developers

     ...Java Full stack Developers Job Location: Wilmington, DE / Plano, TX DAY 1 ONSITE MUST HAVE: Strong AWS,...  ...particular, the Java/J2EE stack • Experience with building APIs - RESTful APIs, Web Services, Spring Boot • Working knowledge of RDBMS,... 
    Suggested

    Maintec Technologies

    Wilmington, DE
    1 day ago

  • Fullstack Software Engineer (C# / Vue.js)

     ...year since 2019. The Role As a Software Developer II, you will design, build, and improve core...  ...and develop features for enterprise web applications used by global clients Contribute...  ...stack Build and maintain REST APIs and service-based architectures Participate... 
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    Contract work
    Work at office
    Worldwide
    Flexible hours

    DiliTrust

    Wilmington, DE
    2 days ago

  • Lead Software Engineer - Python/Java/AWS/API

     ...technology products. As a Lead Software Engineer - Python/Java/AWS/API at JPMorgan Chase within the Corporate Sector, you are an...  ...approaches to build solutions or break down technical problems Develops secure high-quality production code, and reviews and debugs code... 
    Suggested
    Work at office

    JPMorgan Chase & Co.

    Wilmington, DE
    2 days ago

  • Full Stack Java Developer (Wilmington, DE)

     ...organization in the technology sector, is seeking a Full Stack Java Developer (Wilmington, DE) to join their dynamic team. As a Full Stack...  ...release. Develop scalable backend services, RESTful APIs, and modern UI experiences using React, JavaScript/TypeScript,... 
    Suggested
    Contract work
    Flexible hours

    ManpowerGroup Global, Inc.

    Wilmington, DE
    4 days ago

  • Java Fullstack developer

     ...are seeking an experienced Java Full Stack Developer to join our team supporting enterprise-...  ...Design, develop, and maintain scalable web applications using Java 8/11+, Spring Boot...  ...js or Angular Build and consume RESTful APIs Work on application performance tuning and... 
    Contract work

    Enexus Global Inc.

    Wilmington, DE
    1 day ago

  • Java Fullstack Developer - Assistant Vice President

     ...Java Fullstack Developer - Assistant Vice President Discover your future at Citi Working at Citi is far more than just a job. A career...  ...~ Expertise in handling large volumes of data over REST APIs. ~ Demonstrated leadership skills ~ Basic knowledge of industry... 

    Citi

    New Castle, DE
    9 hours ago

  • Principal Software Engineer (APIs)

     ...Job responsibilities Own the design integration and API strategy (REST/GraphQL/gRPC, event-driven) with clear versioning...  ...and oversee Encompass LOS integrations and customizations using Developer Connect, SDK, and plugins. Orchestrate Encompass data flows with... 

    Chase

    Wilmington, DE
    9 hours ago

  • Full Stack Developer - Intermediate

     ...Software Engineer - Java Developer 6 Month Contract to Hire Fully onsite in Wilmington, DE 19803 Only candidates who can convert...  ...with technologies such as AWS, Cassandra, Kafka, RESTful APIs, Terraform, Spring Boot, performance testing tools (e.g., JMeter... 
    Full time
    Contract work

    The Judge Group

    Wilmington, DE
    3 days ago

  • Backend Software Engineer

    $60.61 - $64.52 per hour

     ...scalable backend services . Responsibilities: Design, develop, and maintain backend services using advanced Java and...  ...~ Strong knowledge of microservices architecture and RESTful APIs. ~ Experience with event-driven architecture and Kafka.... 
    Temporary work

    BCforward

    Wilmington, DE
    1 day ago

  • Hybrid .NET Software Engineer II - Azure & APIs

    A technology solutions provider is seeking a Software Engineer II to join their team in Wilmington, DE. This hybrid role involves designing and testing .NET-based applications to support the Structured Finance Document Custody team. Candidates should possess strong OOP ...

    Computer Task Group, Inc

    Wilmington, DE
    4 days ago

  • Static Web Developer at Information Consulting Services Wilmington, DE

    Title: Static Web Developer Static Web Developer job at Information Consulting Services. Wilmington, DE. Contract Details Location: Dover...  ...speed, performance, and SEO. Integrate with backend systems or APIs as needed; this may include leveraging a headless CMS for... 
    Contract work
    H1b
    Remote work

    Itlearn360

    Wilmington, DE
    1 day ago

  • Fullstack Developer - Java + React or Angular | Wilmington, DE

     ...transformation. How You Will Make Impact As a Full-Stack Java Developer, you will design, build, and optimize microservices and...  ...at scale. Key Responsibilities Design and develop RESTful APIs and microservices using Java (11+), Spring Boot, and Spring Cloud... 

    MAS Global Consulting

    Wilmington, DE
    2 days ago

  • JavaScript Back End Engineering (it’s a back fill role)

     ...and tools to support a client, project, or entity. Build and develop according to technical design. Work with Business Analysts team...  ...functionality improvements. Develop Java/Scala based REST APIs based on technical designs. Produce estimates for new functionality... 
    Remote work

    Polar IT

    Wilmington, DE
    3 days ago

  • Full Stack Developer (Laravel, Vue.js)

     ...SQL or NoSQL databases; ~ Practice experience with building REST API services; ~ Practice experience with Docker; ~ Experience in...  ...: Prague, CZ Work type: Full‑time Hard Skills: Laravel, Web development, PHP/Laravel, Agile, Scrum/Kanban, Vue.js #J-18808-... 
    Full time
    Work at office
    Remote work

    Corpsoft Solutions

    Wilmington, DE
    3 days ago

  • 2026 Summer Internship - Backend Software Engineering Intern

    $24 per hour

     ...real production systems and contribute to APIs, data workflows, and backend services that...  ...backend services using Python (FastAPI) Develop and maintain REST APIs and webhook integrations...  ...with or interest in FastAPI or similar web frameworks Solid understanding of... 
    Internship
    Summer internship

    Best Egg, Inc.

    Wilmington, DE
    3 days ago

  • Lead Engineer II - Backend (Python)

    $100k - $135k

     ...build performant, maintainable, and scalable APIs, serverless functions, and containerized...  ...Leadership & Delivery Design, develop, and deliver high-quality backend Python services...  ...Expertise with at least one major Python web framework (FastAPI preferred; Django or... 
    Contract work
    Temporary work
    Flexible hours

    Best Egg

    Wilmington, DE
    9 hours ago

  • Senior Frontend Engineer

     ...patterns. Integrate frontend applications with REST and GraphQL APIs , ensuring reliability and performance. Write, maintain,...  ...Skills Experience with React Native. Experience using Claude Code or agentic IDEs to improve developer productivity.... 
    Work experience placement

    RIT Solutions, Inc.

    Malvern, PA
    5 days ago

  • Senior Front-End Developer

     ...of requirements. Typical duties include analysis, planning, developing requirements documents, building functional models, developing...  ...5 years of recent and relevant experience performing front-end web design and development. ~5 years of experience with bug tracking... 
    Minimum wage
    Contract work
    Temporary work
    Work experience placement

    MAXIMUS

    Wilmington, DE
    2 days ago

  • 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... 

    Celandyne

    Downingtown, PA
    2 days ago