API jobs

Backend Software Engineer Microservices & APIs

Remote

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4d ago

The Backend Software Engineer Microservices & APIs, provides design, development, and technical leadership in building new and enhancing existing information systems. The role serves as a principal application designer for significant enhancements, bringing strong analytical and technical skills to evaluate requirements and deliver solutions that meet business needs. The engineer may support daily production work and special project initiatives and often guides the work of less-experienced devel

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Contract

$45 - $70

API Business Analyst

Los Angeles, California

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9d ago

Role Summary: Liaison between business, application teams, and integration/data engineering teams. Ensures requirements, documentation, and release processes are clear and well managed. Key Responsibilities: Gather and document integration/API requirements, data flows, mappings, and interface specifications. Maintain the enterprise integration catalog and API inventory. Coordinate releases, dependencies, testing cycles, and UAT efforts. Document SLAs, data contracts, operational expectation

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Third Party, Contract

50 - 60

FHIR API Tester

Remote or Nashville, Tennessee

•

Today

Employment type Full Time Job Title FHIR API tester Job Location Remote Duration- Full Time Experience level- 10+ years Mandatory Skills FHIR, EDI, Payer and API Job Description FHIR & Healthcare Standards Strong understanding of FHIR resources (Coverage, Claim, Prior Authorization, Patient, Practitioner, Encounter, etc.) Experience testing FHIR RESTful APIs (CRUD operations, search parameters, includes/rev-includes) Familiarity with FHIR Implementation Guides (IGs) such as: Da Vinci PAS

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Full-time, Contract

Full Time SDET Lead (Java + API + Backend) in Dallas

Dallas, Texas

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Today

Role: Java SDET Lead Location: Dallas, TX (Day 1 Onsite) Hire Type: Full-Time Industry: Banking / Finance / Capital Markets Job Overview We are seeking a highly experienced Java SDET Lead with 8+ years of experience in backend automation, API testing, and development. This role requires strong hands-on Java programming skills, automation expertise, and the ability to take ownership of testing for complex, large-scale data systems. Candidates must be able to work onsite in Dallas, TX from day

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Full-time

$DOE

SDET Requirement (API Testing- Rest assured and Java)-W2 Position only

Hybrid in Durham, North Carolina

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6d ago

Greetings!We are looking for SDET position.Please find the Job description as below:Workstyle: HybridLocation : Durham, NCNOTE: Candidate must be on Teknosys W2 only.Your responsibilities will include:Leading the development and implementation of automation frameworks.Carrying out extensive API testing to ensure seamless integration.Applying your expertise in Java and RestAssured for robust testing.Applying SQL for database validation and using AWS Cloud knowledge for cloud-based testing solutio

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Contract

Depends on Experience

Java API Lead

Minneapolis, Minnesota

•

Today

Job Title: Java API Lead Location: Onsite - Minneapolis, MN | Dallas, TX | Charlotte, NC Experience Required: 10+ Years Role Summary We are seeking an experienced Java API Lead with strong backend engineering expertise and hands-on experience in building scalable, cloud-native applications. The ideal candidate will lead API development efforts, drive platform migration initiatives, and collaborate with cross-functional teams to deliver high-quality, enterprise-grade solutions. Core Technical Ski

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Full-time, Part-time, Third Party, Contract

W2 - Software Engineer (.NET, C#, React Native, REST API, Node.js, SQL, Postgres, ADO) - Remote

Remote or Hybrid in Minnesota

•

Today

Duties: The Software Engineer will join our Research Custom Apps unit at client Clinic to work on various projects involving front-end, back-end, database, and reporting technologies. He/She will primarily work with the team lead for work assignments and collaborate with the business users and other IT technical teams to gather requirements or additional information. This person will be responsible for developing, testing, documenting, and supporting web and mobile applications using a range of

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Contract

Compensation information provided in the description

MuleSoft Developer - REMOTE WORK - 66799

Remote

•

Today

MuleSoft Developer - REMOTE WORK - 66799 Pay Range - $60 - $65/hr One of our clients is looking for a MuleSoft Developer to join their team remotely. Must Have:- 10+ years We have a new immediate need for a seasoned technical developer with at least 4 years of ESB / Mulesoft experience for a current project. (Anypoint Studio, Mule 3x/4, API manager, RAML) Nice to Have: While this is a Curam project role, Curam knowledge is recommended, but not critical or required. The role will be supportin

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Contract

$60

API/ODS Tester

Hanover, New Jersey

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30+d ago

Title: API/ODS Tester Work Location: Wilmington, DE (Hybrid) Position Type: Contract Duration: Long Term Job Description: Design and develop API test cases and scenarios.Execute and automate API tests using industry-standard toolsIdentify, document, and track bugs and performance issuesCollaborate with developers and QA teams to resolve defectsEnsure APIs meet functional and non-functional requirementsAnalyze and report on test results, providing actionable insightsContinuously improve testing p

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Third Party, Contract

$45 - $50

Sr. Java Lead Backend Developer with Core Java (14+ yrs), Spring Boot/Microservices, REST APIs, Spring AI/LLM integrations, SQL & vector DBs (Pinecone/MilvRedis Vector), DDD/CQRS/Event Sourcing, Reactive Streams (WebFlux), OAuth/JWT/OIDC security, Spring Cloud components, AI orchestration & cloud AI (AWS/Azure/Vertex), strong design patterns & technical leadership- Onsite - Charlotte NC - need locals and in-person interview must

Charlotte, North Carolina

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7d ago

Sr. Java Lead Backend Developer with Core Java (14+ yrs), Spring Boot/Microservices, REST APIs, Spring AI/LLM integrations, SQL & vector DBs (Pinecone/MilvRedis Vector), /CQRS/Event Sourcing, Reactive Streams (WebFlux), OAuth/JWT/OIDC security, Spring Cloud components, AI orchestration & cloud AI (AWS/Azure/Vertex), strong design patterns & technical leadership- Onsite - Charlotte NC - need locals and in-person interview must Key Responsibilities Lead backend development with Core Java (14+ yea

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Contract, Third Party

Depends on Experience

Full Stack Staff Software Engineer (React, Python, Java)

Remote

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2d ago

Title -Full Stack Staff Software Engineer (React, Python, Java)Location - remote Seeking Full Stack Staff Software Engineer with strong React, JavaScript, Python, and Java experience to join our Data Engineering team. The ideal candidate has hands-on expertise building cloud-native applications on Google Cloud Platform and experience in the Healthcare/Insurance domain (CVS/Aetna preferred).ResponsibilitiesDesign, build, and maintain full-stack applications using React (JavaScript/TypeScript) and

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Contract

$65+

Senior GxP IT Consultant

Boston, Massachusetts

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19d ago

Senior GxP IT Consultant The Senior GxP IT Consultant will be responsible for working cross-functionally and collaboratively with outside vendors on GxP specific systems support. 10+ years of relevant experience supporting GxP projects Location: MA or EST Contract Duration: 1 Year Contract Rates: $ 60/ph Key Responsibilities: Configure elluminate environments, modules, roles/permissions, and support compliant Release Management activities. Build and maintain ETL pipelines, metadata, mappings,

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Contract

Java Developer - Spring Boot & REST APIs - Maryland Heights, MO

Maryland Heights, Missouri

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13d ago

The following requirement is open with our client. Title : Java Developer Spring Boot & REST APIs Location : Maryland Heights, MO (Onsite) Duration : 6+ Months Relevant Experience (in Yrs.): 10+yrs. Detailed Job Description: Develop software based on Portals Platform standards and patterns Work as a part of a development team Participate in peer and code review activities Mentor less experienced developers Strong working knowledge and experience with Spring MVCSolid understanding of OOPExperie

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Contract

Depends on Experience

SDET Requirement (API Testing- Rest assured and Java)- W2 position Only

Hybrid in Westlake, Texas

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6d ago

Greetings!We are looking for SDET position.Please find the Job description as below:Workstyle: HybridLocation : Westlake, TXNOTE: Candidate must be on Teknosys W2 only.Your responsibilities will include:Leading the development and implementation of automation frameworks.Carrying out extensive API testing to ensure seamless integration.Applying your expertise in Java and RestAssured for robust testing.Applying SQL for database validation and using AWS Cloud knowledge for cloud-based testing solut

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Contract

Depends on Experience

Our direct client is looking for Senior Backend Developer with Node.js, Typescript, APIs, AWS, GraphQL, Go (nice to have), DynamoDB, Data Modeling concept etc..

Remote

•

3d ago

Client is looking for Senior Backend Developer with Node.js, Typescript, APIs, AWS, GraphQL, Go (nice to have), DynamoDB, Data Modeling concept etc..

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Contract

Depends on Experience

Golang Developer

Philadelphia, Pennsylvania

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19d ago

Dear Applicant, We are excited to share an excellent opportunity with one of our leading clients for a Golang Developer with experience in HashiCorp Vault in Philadelphia, PA Onsite If this role matches your expertise, please apply with your most updated resume for consideration. Role: Golang Developer with experience in HashiCorp Vault Location: Philadelphia, PA Position Type - Contract QualificationsTypically requires a bachelor s degree in computer science, Information Technology, or a rel

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Contract

Depends on Experience

Senior Software Development Engineer (Platform & API Architecture)

Remote

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27d ago

Job Title - SR Software Development Engineer in Platform & API Architecture Client Location - Brookfield, WI Work Environment - Remote, with some travel to headquarters Salary - $150,000 to $180,000 plus bonus, plus benefits, and a lot more Term - Direct Hire "Please, no 3rd party companies are allowed to work on this position." You will help us build the platform that transforms how businesses and governments move money.The OpportunityWere redefining how organizations manage deposits at scale.

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Contract

$85

Sr Java Developer (CXP API Domain)

Irving, Texas

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13d ago

Job Title: Sr Java Developer (CXP API Domain) Location: Irving, TX Duration: Long term Main Skills: CXP API Domain, Java 17, Micro Services, Spring boot, Spring Reactive, REST API, Redis Job Description: Over 10 years of experience in the Software Development Industry.Need to have experience in Telcom IndustryExperience developing applications using Java, J2EE and Spring Boot, Micro services, Spring Reactive Need to experience in CXP API Domain and Aggregate dev exp

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Contract, Third Party

Depends on Experience

Senior Java Developer| APIs, FIX protocol, microservices, ultra-low latency design patterns| Jersey City, NJ (Preferred) / New York, NY/ Atlanta, GA/ Chicago, IL (Fully Onsite)-CH

Jersey City, New Jersey

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4d ago

Senior Candidates, 10+ Years Only Role: Senior Java Developer Locations: Jersey City, NJ (Preferred) / New York, NY/ Atlanta, GA/ Chicago, IL (Fully Onsite) Duration: 12 Months Contract F2F Interview Highly Preferred for Local Candidates Note: Candidate needs to be in the office 5 Days every week. Local or candidates from adjacent states only. Must Have: Extensive experience with core Java technologiesExpertise in designing APIs, distributed systems, asynchronous workers, and resilient messagi

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Third Party, Contract

Depends on Experience

Data Engineer with strong Python API backend development and Palantir expertise

Plano, Texas

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2d ago

Data Engineer with strong Python backend development and Palantir expertise Plano, TX (Onsite 5 days/week) Job Summary: We are seeking a highly skilled Data Engineer with strong Python backend development expertise to join our team in Plano, TX. The ideal candidate will have hands-on experience designing and building scalable data pipelines, integrating with APIs and databases, and developing robust backend systems. This role requires close collaboration with data scientists, analysts, and appli

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Third Party, Contract

Depends on Experience

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