Back-end Software Development Engineering Engineer III

Overview: TekWissen is a global workforce management provider throughout India and many other countries in the world. The below client is a global company with shared ideals and a deep sense of family. From our earliest days as a pioneer of modern transportation, we have sought to make the world a better place one that benefits lives, communities and the planet Job Title: Back-end Software Development Engineering Engineer III Location: Chennai Work Type: Hybrid (4 Days work From Office) Position Description: - We are looking for an experienced Full Stack Developer with Agentic AI capabilities to join the client's Core Originations Team in Chennai. - The ideal candidate should have strong experience in Java Full Stack development, Microservices, GCP, DevOps, Automation, AI, Application Support, and Application Testing. - The candidate will be responsible for developing and modernizing enterprise applications, building scalable cloud-based solutions, integrating AI capabilities, and supporting critical business applications. - The Client's IT is seeking a highly skilled Full Stack Developer with Agentic AI capabilities to join our Core Originations Team in Chennai. - In this role, you will design, build, and modernize enterprise-grade software applications powering the client's global credit originations platform. - Operating within a Scaled Agile Framework (SAFe) product delivery model, you will leverage modern Java frameworks, microservices architecture, Google Cloud Platform (GCP), modern frontend technologies, and cutting-edge Agentic AI & Generative AI architectures (Spring AI, LangChain4j, RAG, tool calling) to automate complex workflows and deliver intelligent, seamless user experiences. Required Skills & Qualifications: - Strong hands-on experience in Java Full Stack Development. - Proficiency in Core Java, Spring Boot, and Microservices Architecture. - Experience developing and integrating RESTful APIs. - Hands-on experience with Google Cloud Platform (GCP). - Strong knowledge of DevOps, CI/CD, automation, and containerization. - Experience with Application Support, troubleshooting, and production issue resolution. - Strong experience in Application Testing, including unit and integration testing. - Experience working with DB2/UDB or other relational databases. - Knowledge of Agentic AI and Generative AI concepts and enterprise application integration. - Experience with Spring AI, LangChain4j, RAG, LLM integration, or AI tool/function calling is highly preferred. - Strong understanding of Microservices, cloud-native development, and enterprise application modernization. - Ability to work effectively with cross-functional teams and stakeholders at all levels of management. - Experience working in Agile/Scrum or SAFe environments. - Strong analytical, logical reasoning, troubleshooting, and problem-solving skills. - Bachelor's degree in Computer Science, Information Technology, Engineering, or a related field is preferred. Skills Required: - Ability to communicate and work with cross-functional teams and all levels of management , Automation, DevOps, AI, Java Full stack, Application Support, Application Testing, Database - DB2/UDB, GCP Skills Preferred: AI Core Java & Microservices Architecture - hands-on experience designing and developing enterprise microservices using Java 17/21+ and Spring Boot (3.x). - Deep experience in designing RESTful APIs, OpenAPI specifications, and event-driven architectures (Kafka / RabbitMQ). - Expertise in API Security using OAuth2.0, OpenID Connect (OIDC), JWT, Web SSO, and API gateway integrations. - Strong proficiency in Relational Databases (Oracle, PostgreSQL, MS SQL) and ORM frameworks (Spring Data JPA / Hibernate). Frontend Development & AI UI/UX: - Proficient in React.js with TypeScript, HTML5/CSS3, NPM, and modern state management. - Experience implementing real-time streaming interfaces using Server-Sent Events (SSE) or WebSockets for live agent response streaming. - Ability to build responsive UI components for chat, Human-in-the-Loop (HITL) approval flows, and interactive AI dashboards. Tooling, Security, DevOps & Process: - Strong security mindset with hands-on exposure to code quality and security tools (e.g., SonarQube, 42Crunch, FOSSA, Cycode). - Proficiency with development and testing tools: IntelliJ IDEA / VS Code, Postman / Hoppscotch, JUnit 5, Mockito, Testcontainers. - Working knowledge of Git, CI/CD pipelines (Jenkins, Tekton, GitHub Actions), and containerization (Docker, Kubernetes). - Demonstrated experience working in Agile/Scrum product teams, driving end-to-end delivery across multiple concurrent projects. - Excellent logical reasoning, lateral thinking, and written/verbal communication skills. Experience Required: - Engineer 3 Exp: Proficient In 2 coding lang. or adv. Prac. in 1 lang. - 6+ years in IT; 4+ years in development Experience Preferred: - Hands-on experience integrating Large Language Models (LLMs) into Java applications using frameworks such as Spring AI or LangChain4j. - Proven understanding of Agentic Workflows: ReAct framework, Plan-and-Execute agents, dynamic function/tool calling, structured output parsing, and stateful multi-agent systems. - Practical experience with Retrieval-Augmented Generation (RAG), embedding models, dynamic chunking, and Vector Databases. - Familiarity with AI guardrails, prompt engineering techniques, deterministic fallback logic, and token/cost optimization. Education Required: - Bachelor's Degree Additional Information : Core Application Development & Full Stack Engineering - Design, develop, and maintain high-performance Full Stack microservices (Java 17+, Spring Boot, React/TypeScript) for the client's Core Originations applications. - Design, implement, and manage secure RESTful APIs and API proxies using APIGEE API Management platform in accordance with the cleint's security standards. - Maintain, troubleshoot, and support core Originations applications running on both modern and legacy Java frameworks, ensuring high availability and system resilience. - Collaborate with Portfolio Architects to update and align system designs with the client Build Intent diagrams and Enterprise Architecture standards. Agentic AI & Intelligent Automation Integration - Build secure, scalable tool-calling interfaces (via REST/APIGEE) that enable AI agents to safely execute actions across enterprise services. - Support PoC initiatives to evaluate emerging Generative AI, multi-agent frameworks, and vector search technologies for the cleint's IT. - Implement robust AI safety guardrails, prompt injection defences, deterministic fallback mechanisms, and cost/token monitoring. Cross-Functional Collaboration, Testing & Operational Support - Partner with cross-functional product teams (The client's Global Client team, Skill teams, and Business Operations) to translate complex functional requirements into technical deliverables. - Design and execute comprehensive unit, integration, and AI response evaluation tests using JUnit, Mockito, and automated test tools. - Provide tier-3 application technical support, root-cause troubleshooting, and resolution for complex production incidents. - Support application modernizations, technology upgrades, and cloud migration initiatives across Originations systems. TekWissen Group is an equal opportunity employer supporting workforce diversity.