Credilio
Backend Developer (Java)
- Compensation
- Not disclosed
- Location
- Mumbai
- Work setup
- Not specified
- Seniority
- Not specified
- Employment
- Not specified
- Experience
- 4+ years
- Category
- Backend
- Posted
Skills
Must have
- Strong proficiency in Java.
- Hands-on experience with Spring Boot / Spring Framework.
- Solid understanding of data structures, algorithms, and OOPs concepts.
- Experience building and consuming REST APIs.
- Strong knowledge of databases: Relational (MySQL, PostgreSQL), Basics of NoSQL (Redis, MongoDB, etc. )
- Understanding of concurrency, multithreading, and JVM internals.
- Familiarity with caching strategies (Redis, in-memory caching).
- Experience with Git and version control workflows.
- Experience with Docker and containerization.
- Knowledge of microservices architecture and service communication (REST/gRPC, Kafka).
- Familiarity with message queues/streaming systems (Kafka, RabbitMQ).
- Experience with monitoring and observability tools (Prometheus, Grafana, ELK, Datadog).
- Understanding of security best practices (authentication, authorisation, OAuth, JWT).
- 4 years of backend development experience.
Nice to have
- Blue-Green deployments
- Canary releases
- Rolling deployments
- Exposure to CI/CD pipelines (Jenkins, GitHub Actions, CircleCI, etc. )
- Basic experience with AWS / cloud infrastructure:
- EC2, S3, RDS
- Load balancers, auto-scaling
Full description
We are looking for a Backend Engineer with strong experience in building scalable, reliable, and high- performance systems. You will work on designing APIs, handling large-scale data, and building robust backend services using Java and Spring Boot.
Responsibilities:
- Design, develop, and maintain backend services and APIs using Java (Spring Boot).
- Build scalable and fault-tolerant systems to handle high traffic and large data volumes.
- Design clean and efficient RESTful APIs and service contracts.
- Collaborate with frontend, product, and design teams to deliver end-to-end features
- Optimise system performance, latency, and throughput.
- Ensure high code quality through testing, code reviews, and best practices.
- Debug production issues and ensure system reliability and uptime.
- Participate in system design and architectural decisions.
- Own services end-to-end, including development, deployment, and monitoring.
Requirements:
- Strong proficiency in Java.
- Hands-on experience with Spring Boot / Spring Framework.
- Solid understanding of data structures, algorithms, and OOPs concepts.
- Experience building and consuming REST APIs.
- Strong knowledge of databases: Relational (MySQL, PostgreSQL), Basics of NoSQL (Redis, MongoDB, etc. )
- Understanding of concurrency, multithreading, and JVM internals.
- Familiarity with caching strategies (Redis, in-memory caching).
- Experience with Git and version control workflows.
- Experience with Docker and containerization.
- Knowledge of microservices architecture and service communication (REST/gRPC, Kafka).
- Familiarity with message queues/streaming systems (Kafka, RabbitMQ).
- Experience with monitoring and observability tools (Prometheus, Grafana, ELK, Datadog).
- Understanding of security best practices (authentication, authorisation, OAuth, JWT).
- 4 years of backend development experience.
Good to Have:
Experience with deployment strategies:
- Blue-Green deployments
- Canary releases
- Rolling deployments
- Exposure to CI/CD pipelines (Jenkins, GitHub Actions, CircleCI, etc. )
- Basic experience with AWS / cloud infrastructure:
- EC2, S3, RDS
- Load balancers, auto-scaling