Senior API Developer

21 hours ago

bangalore, India NAZZTEC Full time

We are looking for an experienced API Developer with strong expertise in Java/J2EE , Spring Boot , and REST/SOAP API development . The role focuses on designing and developing secure, scalable, API-based digital solutions following SOA principles and API best-practice frameworks (OpenAPI, Swagger, TM Forum). The ideal candidate will have strong backend integration skills, hands-on experience developing enterprise-grade APIs, and proficiency working with Oracle databases and scripting. Experience with API management frameworks such as Apigee is a plus. This role requires the ability to work independently, collaborate with distributed teams, integrate with internal systems and external partners, and deliver components within expected timelines. Roles & Responsibilities API Design & Development Develop RESTful and SOAP APIs following SOA, OpenAPI, and TM Forum standards. Build API specifications using Swagger / OpenAPI . Work on end-to-end design, development, implementation, and deployment of API-based digital solutions. Backend & Integration Integrate APIs with internal backend systems and external partners. Work with XML, JSON, WSDL, MQ , SMPP, and other integration protocols. Develop Java/J2EE-based backend components using Spring Boot . Security & Best Practices Implement secure APIs using OAuth2 , JWT, and industry security standards. Follow best practices for code quality, data security, and API lifecycle management. Database & Scripting Develop SQL scripts and work extensively with Oracle relational databases . Utilize UNIX and shell scripting for automation and system-level integration. Tools, Frameworks & Dev Practices Use build tools such as Maven and Gradle . Hands-on experience with API management tools (Apigee preferred). Collaboration & Delivery Work independently and collaborate with cross-functional, remote teams. Support timely delivery of assigned components and integration tasks. Required Skills & Qualifications Technical Skills Strong experience with Java, J2EE, Spring Boot REST & SOAP APIs, Swagger/OpenAPI, XML/JSON, MQ, SMPP API standards (OpenAPI, TM Forum) API Management (Apigee – preferred) OAuth2, JWT, API security Oracle Database, SQL development UNIX, shell scripting Microservices architecture (added advantage) Telecom domain knowledge (OSS/BSS/SIEBEL) — optional Education Engineering degree in Telecom / Electronics / Computer Science or equivalent. Experience Total Experience: 4–6 years Relevant API development: 4+ years #APIDeveloper #JavaDeveloper #J2EE #SpringBoot #RESTAPI #SOAPAPI #OpenAPI #Swagger #OAuth2 #JWTSecurity #APISecurity #Apigee #APIManagement #BackendDeveloper #IntegrationDeveloper #EnterpriseIntegration #Microservices #OracleSQL #OracleDatabase #ShellScripting #UnixScripting #JSON #XML #WSDL #MQ #SMPP #JavaJobs #TechJobs #HiringNow #SoftwareDeveloper #DigitalIntegration #APIEngineer #BackendEngineering #CloudNative #SOA #TMForum #TelecomJobs #OSSBSS #SIEBEL #ITJobs #ProgrammingJobs #CodeJobs #DeveloperHiring #APIDesign #MiddlewareJobs #SystemIntegration #FullStackJobs #EnterpriseAPIs #Jobs2025 #WeAreHiring .

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