API Developer
AceStack LLC
API DeveloperLocation: Pittsburgh, PA (Onsite)Fulltime – PermanentSkill: API DeveloperMust Have Technical/Functional Skills:Experience: Significant experience (typically 8-10+ years) in Java/J2EE software development, including experience in a technical leadership role.Programming Languages & Frameworks: Strong proficiency in Java, J2EE, Spring, Spring Boot, and experience with microservices architecture.API Technologies: Expertise in designing and developing RESTful and/or SOAP web services, and knowledge of API management platforms and documentation tools like Swagger/OpenAPI.Database Management: Proficiency with both SQL and NoSQL databases (e.g., PostgreSQL, MongoDB), including database design and query optimization.Cloud & Tools: Familiarity with cloud platforms (preferably AWS) and experience with containerization technologies like Docker and Kubernetes.Methodologies: Experience working within Agile/Scrum and DevOps methodologies.Soft Skills: Excellent problem-solving, analytical, and communication skills, with the ability to lead a team and work collaboratively in a fast-paced environment.Roles & Responsibilities:Technical Leadership & Mentorship: Lead, mentor, and provide technical guidance to a team of developers, conducting code reviews and ensuring adherence to high-quality coding standards and best practices.API Architecture & Development: Design, develop, and maintain robust and scalable RESTful APIs using Java and Spring Boot, ensuring performance, security (e.g., OAuth, JWT), and reliability.System Integration: Oversee the integration of APIs with various internal and third-party systems, applications, and data sources, utilizing middleware technologies and ensuring seamless data flow.Collaboration & Requirements Analysis: Collaborate with cross-functional teams, including product managers, architects, and business stakeholders, to understand requirements and translate them into technical specifications and architectural designs.Quality Assurance & Testing: Ensure comprehensive testing is performed (unit and integration tests), identify and resolve bottlenecks and bugs, and maintain code quality using tools like JUnit or Mockito.DevOps & Cloud Integration: Drive the adoption of DevOps practices and work with CI/CD tools (e.g., Jenkins, GitHub, Docker, Kubernetes) to build infrastructure for integration and deployment of API services, both on-premise and in cloud environments (e.g., AWS, Azure).Documentation & Standards: Produce comprehensive documentation for APIs and microservices, detailing architecture, design decisions, and implementation guidelines for internal and external use.
$72.5k - $160.7k
...sponsorship of immigration‑related visa and/or green card status as part of the PERM process will not be available As a senior API developer, you will be responsible for designing, developing, and maintaining high performance APIs that power to the system. You will work...SuggestedPermanent employmentLocal area- ...Skill: Python API DeveloperMust Have Technical/Functional Skills:Acceptable frameworks: FastAPI (preferred), Django, Flask.Good to... ...System design and scalabilityRoles & Responsibilities:Design and develop RESTful APIs and microservices using Python frameworks such as:...Suggested
$70.8k - $156.7k
Position Description: CGI is looking to hire Java API Developer, specializing in building secure, scalable, and high performance RESTful and event driven APIs to work on projects for one of the largest financial institutions in US in a challenging technical environment...SuggestedLocal area$170 per hour
...Job Description Job Description Job Title: Sr.Java API Developer Location: Pittsburgh, Pennsylvania, United States Type: Direct Hire Compensation: $170.00 Work Model: Onsite – onsite Hours: 40.0 Security Clearance: Not specified Overview Leave placeholder text...SuggestedLocal area- ...Senior API Platform Software Engineer Fulltime Hybrid – Knoxville, TN | Columbia, SC | Lafayette, LA | Birmingham, AL Position... ...Apigee, API Security, and DevOps . Key Responsibilities Develop secure and scalable RESTful APIs, backend services, and...SuggestedFull timeLocal area
$110k - $120k
...Through research and development initiatives in our FinLabs we develop solutions for modernization, from Artificial Intelligence and Blockchain... .... Integrate REST, GraphQL, WebSocket, and streaming APIs. Integrate LLMs, AI agents, RAG workflows, tool calling, and...Temporary workFlexible hours$70.8k - $156.7k
Mid Java API Developer Position Description CGI is looking to hire Java API Developer, specializing in building secure, scalable, and high performance RESTful and event driven APIs to work on projects for one of the largest financial institutions in US in a challenging...Local area- ...Job Title: Mid- Level Java API Developer Location: Pittsburgh, PA Type: Permanent Full Time Work Model: Onsite Responsibilities Design, develop, maintain, and implement APIs, microservices, and backend components. Collaborate with development...Permanent employmentFull timeLocal area
- ...Job Description Job Description Mid Java API Developer Job Type: Permanent Full Time Location: Pittsburgh, Pennsylvania, United States Description: Mid Java API Developer Position Description This role must be performed in Pittsburgh, PA -or- Dallas,...Permanent employmentFull time
- ...Job Title: Lead API Developer Location: Pittsburgh, Pennsylvania, United States Type: Permanent Full Time Work Model: Hybrid – onsite and remote Responsibilities Design, develop, and maintain high-performance APIs that power the system. Collaborate...Permanent employmentFull timeLocal areaRemote work
- ...Job Title: Lead API Developer Location: Pittsburgh, Pennsylvania Type: Permanent Full Time Responsibilities Lead the design, development, and maintenance of high-performance APIs and microservices. Collaborate with cross-functional teams to gather requirements...Permanent employmentFull timeLocal area
- ...Job Title: Lead API Developer Location: Pittsburgh, Pennsylvania, United States Type: Permanent Full Time Work Model: Hybrid – onsite and remote Responsibilities Design, develop, and maintain high-performance APIs that power the system...Permanent employmentFull timeLocal areaRemote work
$105.79k - $141.05k
...assessments across infrastructure, applications, cloud platforms, APIs, databases, and identity systems. Direct Advanced Cyber... ...defensive, business, and executive stakeholders. ~ Experience developing security tools, exploits, payloads, automations, and new Red Team...Full timeTemporary workRemote work$75k - $137.5k
...contribute to the company’s success. As a Software Engineer (Python, APIs, OCP/Kubernetes, Nvidia GPUs) within PNC''s DNA ML Ops Tech... ...platform and application teams to support GPU workloads. Design, develop, and maintain Python-based services and applications. Build...Full timeTemporary workPart timeWork experience placementWork at office$115k - $120k
...Through research and development initiatives in our FinLabs we develop solutions for modernization, from Artificial Intelligence and Blockchain... ...(WCAG/ARIA) and cross-browser interfaces Integrate with REST APIs and backend services, including error handling, authentication...Full timeTemporary workFlexible hours$91.8k - $160.7k
...applications in production environments. . 5+ years of Java Full Stack Developer . Experience working with Git and Maven . Strong Hand on... .... Develop, maintain, and enhance enterprise applications and APIs. . Implement approved change requests and platform...Permanent employmentWork at officeLocal area- ...experience) ~5+ years of professional experience as a Full Stack .NET Developer ~ Previous experience working in the banking, fintech, or... ...proficiency in C#, .NET / .NET Core, and ASP.NET MVC/Web API ~ Experience with front-end frameworks such as Angular, React...
- ...Newark, NJ/Tempe,AZ/,Pittsburgh, PA/Chicago,IL/Job SummaryWe are seeking a skilled.NET Developer responsible for designing, developing, and maintaining enterprise-level web and API applications. The ideal candidate has strong experience in.NET Core, C#, Web API, and cloud...
- ...Core /.NET 5+ /.NET 6+.Deep understanding of software architecture and design patterns (e.g., Microservices, SOLID principles, RESTful APIs).Extensive experience with SQL Server, including performance tuning and database design.Proven ability to lead and guide development...
- ...and job location in your email message. Senior DevOps Application Developer (ASP.NET, C#, Python, Azure SQL Server) : - Must be able to work... ..., jQuery, JSON, CSS, and XML. - Proficiency using REST API’s in Python and C#. - Proficiency with Microsoft Visual Studio (...Permanent employmentTemporary workLocal areaImmediate startRelocationVisa sponsorship
$132.5k - $302.4k
...production issues, and collaborating with marketers, architects, developers, and business stakeholders. You bring a continuous improvement... ...in data architecture: modeling, integration patterns, API design, and cloud platforms (AWS, GCP, Azure).Experience managing...Work experience placementLive inWork at officeLocal area- ...interoperability experience. ~3+ years of hands-on Smile CDR administration or support experience. ~ Strong knowledge of HL7 FHIR R4, REST APIs, SMART on FHIR, and OAuth 2.0. ~ Experience with JSON/XML and healthcare data exchange. ~ Experience supporting production...Contract workRemote work
- ...autonomy, or safety systems. Your day-to-day work will include developing user interfaces for internal and external usage centered around... ...testing, version control, and clear documentation.Integrate & Adapt APIs: Adapt open-source libraries, proprietary tools, and backend...Full timeWork experience placementFlexible hours
$124k - $280k
...workstreams, apply sound judgment across changing priorities, and develop teams that translate technical strategy into practical outcomes.... ...generative AI solutions, including prompt engineering, LLM APIs, and retrieval-augmented generation- Driving architecture decisions...Full timeH1b- ...in Java, Spring Boot, AngularJS, and Oracle Database to design, develop, and maintain enterprise web applications.Design, develop, and maintain... ...scalable enterprise web applicationsBuild and maintain RESTful APIs and backend servicesDevelop responsive and user-friendly front-...
$70.8k - $156.7k
...secure, scalable, and high performance RESTful and event driven APIs to work on projects for one of the largest financial... ...for JavaScript code. Experience using Agile methodologies for developing application. Experience with MongoDB is good to have. Experience...- ..., ensuring scalability, performance, and maintainability.Roles & Responsibilities:Design, develop, and maintain scalable web applications using Java, Spring Boot, and RESTful APIs.Build responsive and user-friendly front-end interfaces using Angular/React, HTML5, CSS3,...
- ...'re growing rapidly and are looking for Senior Java full stack Developers for various projects. You'll be pivotal in design, build, and execution... ...future duties and responsibilities:At least 6+ years of Java API development, hands on troubleshooting and deployment experience...Permanent employmentLocal area
- ...Java DeveloperFull Stack Developer with experience in designing, developing, and deploying scalable, high-performance enterprise applications... ...supporting the application.Design and develop scalable RESTful APIs and enterprise web applications using Java, Spring Boot, Spring...
- ...Job Description Job Description Job Title: Java API Tech Lead Location: Pittsburgh, Pennsylvania Type: Contract To Hire Compensation... ...Boot, and frontend technologies like Angular or React. Develop and design RESTful APIs and microservices for enterprise...Contract workLocal area
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