Senior API Developer

1 week ago

Bengaluru, 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 & ResponsibilitiesAPI Design & DevelopmentDevelop 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 & IntegrationIntegrate 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 PracticesImplement secure APIs using OAuth2, JWT, and industry security standards.Follow best practices for code quality, data security, and API lifecycle management.Database & ScriptingDevelop SQL scripts and work extensively with Oracle relational databases.Utilize UNIX and shell scripting for automation and system-level integration.Tools, Frameworks & Dev PracticesUse build tools such as Maven and Gradle.Hands-on experience with API management tools (Apigee preferred).Collaboration & DeliveryWork independently and collaborate with cross-functional, remote teams.Support timely delivery of assigned components and integration tasks.Required Skills & QualificationsTechnical SkillsStrong experience with Java, J2EE, Spring BootREST & SOAP APIs, Swagger/OpenAPI, XML/JSON, MQ, SMPPAPI standards (OpenAPI, TM Forum)API Management (Apigee – preferred)OAuth2, JWT, API securityOracle Database, SQL developmentUNIX, shell scriptingMicroservices architecture (added advantage)Telecom domain knowledge (OSS/BSS/SIEBEL) — optionalEducationEngineering degree in Telecom / Electronics / Computer Science or equivalent.ExperienceTotal Experience: 4–6 yearsRelevant 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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