Lead Java Backend Engineer-Java AWS-T4

About The Company: 

Principal Global Services is a Global In-house Center, dedicated to supporting Principal Financial Group achieve our common purpose of empowering and enabling our customers across the globe by protecting and advancing their financial well-being through retirement, insurance and asset management solutions. Since our inception in 2006, our continued focus has been to take our services to the next level of providing solutions, which has been further reinforced with stimulating results and a clear strategic direction. Over the last decade, we have assimilated the right mix of talent and competencies to build a center of excellence that delivers quality, innovation and strategic value. We offer right over best opportunities for a holistic growth, because we believe that engagement is directly proportional to the right opportunities, fostered by cultural pillars of empowerment and enablement. Principal Global Services has offices in Hyderabad (India), Manila (Philippines) and Pune (India). To find out more, visit us at www.principal.com  

Key Responsibilities

• Design & Build:  Architect and implement  Java/Spring Boot  microservices and  RESTful APIs  aligned to business and non-functional requirements.
• Quality Engineering:  Establish and maintain a  test strategy  (unit, integration, performance), enforce code quality.
• Performance & Resilience:  Profile JVM and databases, apply caching, implement resilience patterns (circuit breakers, retries, backoff).
• Security & Compliance:  Implement secure coding,  OAuth2/JWT , input validation, encryption.
• Observability:  Implement structured logs, metrics, and distributed tracing, define  SLIs/SLOs , alerts, and meaningful dashboards.
• Technical Enablers:  Contribute to  shared libraries , templates, and reusable patterns, improve developer experience (DX).
• Mentorship & Collaboration:  Mentor engineers via pairing and reviews, communicate trade-offs and risks early to Product/Architecture/QA.
• Facilitate agile ceremonies  : (stand‑ups, backlog refinement, sprint planning, demos, retros) with a focus on technical outcomes, risk surfacing, and sprint goal clarity.
• Refine stories into actionable technical tasks : ensure  Definition of Ready/Done , unambiguous acceptance criteria, testability, and accurate  story point estimation .

Must‑Have Skills (Java)

• Java / Java 8+
  • Deep  OOP  &  SOLID  principles.
  • Streams API ,  Optional ,  functional interfaces ,  lambda expressions .
  • Multithreading & Concurrency:  thread pools,  Future/CompletableFuture , synchronization, locks,  concurrent collections .
  • Java Memory Model:  heap/stack fundamentals,  Garbage Collection  behavior and tuning.
• Web Technologies
  • Design & implement  RESTful APIs  (idempotency, pagination, robust error models).
  • Rate limiting  &  API Gateway  concepts,  Swagger/OpenAPI  documentation.
  • Exposure to  WebLogic/WebSphere  (or embedded servers: Tomcat/Jetty).
• Spring Framework
  • Spring Core (IoC/DI) ,  Spring MVC ,  Spring Boot  (auto-configuration, starter dependencies).
  • Spring Security  (JWT, OAuth2),  Spring Batch ,  Spring AOP .
• Architecture & Design Patterns
  • Event-Driven Design  (MQ messaging/queuing).
  • Design patterns:  Factory, Builder, Strategy, Template .
• Data & Tooling
  • Strong  SQL  (DB2/MySQL): schema design, indexing, query tuning.
  • Build & CI/CD:  Maven/Gradle , Git, Jenkins/GitHub Actions.
  • Testing:  JUnit 5 ,  Mockito ,  Testcontainers
  • performance testing (JMeter/Gatling).
  • Observability: logs/metrics/traces (Dynatrace, ELK).

 Good to Have

• Messaging/eventing (Kafka/JMS)
• Containers (Docker) and orchestration basics (Kubernetes/ECS).
• DDD architecture

Soft Skills

• Strong problem-solving, analytical thinking, and  bias for action .
• Plans, prioritizes, and communicates  effectively across teams and time zones.
• Mentors  teammates, provides clear, constructive feedback.
• Demonstrates  ownership , raises the bar, and  consistently exceeds  day-to-day expectations.
• Identifies ambiguity/risks and proactively drives  clarity and resolution  with stakeholders.