Back End Developer

1 week ago

bangalore, India Covalense Digital Full time

We are seeking a highly skilled Senior Java Backend Developer (5–11 years experience) who excels in building and maintaining enterprise-grade applications using Java, Spring Framework, Microservices, and a spectrum of modern backend systems. You will tackle performance, scalability, and resilience challenges head-on—while optionally contributing to UI enhancements with React or Angular.

Core Responsibilities

  • Backend Development
  • Design and develop microservices using Java and Spring Boot, with full mastery of Spring Core (IoC, DI), Bean lifecycle, and annotations.
  • Security Implementation
  • Implement robust security using Spring Security, including UserDetailsService..
  • API & Microservices Architecture
  • Create durable, scalable services, leveraging API Gateways, service discovery, idempotency, rate limiting, and asynchronous communication patterns.
  • Apply design patterns and caching strategies for high throughput and low latency.
  • UI Collaboration (Optional)
  • Provide maintenance support or enhancements on the frontend using React or Angular.
  • JavaScript Foundational Skills
  • Capable in vanilla JavaScript, at minimum comfortable up to Promise usage.
  • Database Expertise
  • Optimize SQL database usage via indexing, stored procedures, and normalization techniques.
  • Cross-Functional Collaboration
  • Work with DevOps, QA, UI teams to build CI/CD pipelines, performance monitoring, and deploy resilient services.
  • Leadership & Mentorship
  • Offer technical guidance, perform code reviews, and mentor junior engineers.

Must-Have Skills & Experience

  • 6–11 years of experience in Java development (Java 8+ preferred).
  • Deep expertise in Spring Framework: IoC, DI, bean lifecycle, MVC, Security, Boot, annotations.
  • Hands-on with Microservices architecture, API Gateways, service discovery, design patterns, caching, rate limiting, idempotency, and asynchronous messaging.
  • Proficient in JavaScript (Promises at minimum). UI hands-on with React or Angular is a plus.
  • Strong SQL skills: indexing, stored procedures, normalization.

Preferred Competencies

  • Familiarity with Docker, Kubernetes, and cloud-native deployments.
  • Knowledge of NoSQL, distributed caching (e.g., Redis), or messaging systems like Kafka/RabbitMQ.
  • Experience in CI/CD, DevOps practices, TDD, and performance monitoring.
  • Exposure to frontend frameworks (React or Angular) for maintenance or collaboration purposes.

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