Java Developer

Job Description: Backend Developer – Java + Oracle/PostgreSQL/MongoDB

Location: Marathahalli, Bangalore**

Experience: 4+ years**

Employment Type: Full-time**

Work Mode: Onsite**

About the Role

We are hiring a skilled Backend Developer with strong experience in Java, Spring Boot, and Spring MVC, along with expertise in multiple databases. The candidate must have hands-on experience with Oracle and at least two additional databases (PostgreSQL, MongoDB, etc.). DevOps exposure and containerization knowledge are preferred.

Key Responsibilities

• Develop and maintain backend applications using Java, Spring Boot, and Spring MVC.
• Build and consume REST APIs and microservices.
• Work extensively on Oracle, PostgreSQL, MongoDB for schema design and performance optimization.
• Participate in Agile processes — sprint planning, standups, retrospectives.
• Collaborate with QA, frontend, and DevOps teams for end-to-end delivery.
• Monitor, debug, and optimize application performance.

Required Skills

🔧 Java & Frameworks

• Strong hands-on experience with:
• Java 8+
• Spring Boot
• Spring MVC (Mandatory)
• Hibernate / JPA
• Knowledge of Spring modules such as Spring Data, Spring Security, etc.
• Optional: Micronaut, Quarkus.

🗃️ Databases (Mandatory Requirement)

Candidate must know at least 3 databases, including Oracle (mandatory).

• Oracle (Mandatory): PL/SQL, stored procedures, indexing, query tuning
• PostgreSQL: schema design, indexing, performance tuning
• MongoDB: NoSQL, aggregation framework

⚙️ DevOps & Deployment

• Git (GitHub / GitLab)
• CI/CD: Jenkins, GitHub Actions, GitLab CI
• Docker (writing Dockerfiles, container orchestration basics)
• Basic understanding of Kubernetes (deployments, services, config maps)
• Monitoring/logging: ELK, Prometheus + Grafana, Splunk (optional)

☁️ Cloud (Preferred)

• Basic AWS / GCP / Azure (EC2, RDS, S3, IAM)

Soft Skills

• Strong debugging and analytical skills
• Good communication
• Ownership mindset
• Ability to thrive in an onsite, fast-paced, startup-like environment

Perks & Benefits

• Competitive salary
• Work on modern backend systems
• Flat hierarchy & high ownership
• Collaborative onsite team

Key Responsibilities :

- Design, develop, and maintain Java-based applications using Java SE/EE.

- Implement, test, and deploy microservices and RESTful APIs using Spring Boot and related technologies.

- Develop efficient and scalable solutions by writing clean, maintainable, and optimized code.

- Collaborate with cross-functional teams to understand business requirements and provide technical solutions.

- Write and execute unit tests using JUnit to ensure code quality and functionality.

- Perform code reviews to ensure adherence to best practices and coding standards.

- Troubleshoot, debug, and optimize code for performance and scalability.

- Stay up to date with the latest Java technologies and development best practices.

Required Skills and Qualifications :

- Bachelor's degree in Computer Science, Engineering, or a related field.

- Years of experience in Java development (Java SE/EE, Spring, Hibernate).

- Strong experience with JUnit and test-driven development (TDD).

- Proficient in building microservices using Spring Boot and RESTful APIs.

- Experience with version control tools like Git.

- Familiarity with build tools such as Maven or Gradle.

- Strong understanding of object-oriented programming (OOP) principles.

- Familiarity with databases (SQL/NoSQL) and ORM frameworks (e.g., Hibernate).

- Experience with cloud platforms like AWS (preferably).

- Strong problem-solving skills and the ability to work in a collaborative environment.

Preferred Skills :

- Experience with continuous integration/continuous deployment (CI/CD) tools.

- Knowledge of containerization technologies like Docker.

- Familiarity with Agile methodologies and Scrum framework.

- Knowledge of front-end technologies (HTML, CSS, JavaScript) is a plus.

Responsibilities:

Lead the design and development of sophisticated, high availability, and secured

server-side applications with a primary focus on Golang.

● Collaborate with cross-functional teams to understand requirements, architect

solutions, and deliver high-quality software products.

● Mentor and guide junior engineers, sharing your engineering expertise and best

practices to foster skill development within the team.

● Analyze and optimize performance, scalability, and reliability of existing Golang

applications, making strategic improvements where necessary.

● Design and implement automated unit and integration tests to ensure code quality,

maintainability, and stability.

● Stay up-to-date with the latest advancements in software technologies,

recommending their adoption when appropriate.

● Champion code reviews, architectural discussions, and technical documentation to

maintain high development standards.

● Troubleshoot and resolve complex issues, providing innovative solutions to overcome

challenges.

● Contribute to the recruitment and hiring process by participating in interviews,

evaluating candidates, and providing input on hiring decisions.

Requirements

Bachelor's or Master's degree in Computer Science, or a related field.

● 3+ years of experience in software development, with substantial experience in

Golang and cloud infrastructure.

● Expert-level proficiency in designing and developing high-performance, concurrent

applications with Golang.

● Experience with distributed systems, microservices architecture, and containerization

(e.g., Docker, Kubernetes).

● Solid knowledge of software testing methodologies and tools, including unit testing

and integration testing for Golang applications.

● Demonstrated ability to lead projects, collaborate effectively with teams, and mentor

junior engineers.

● Excellent problem-solving and analytical skills, with the ability to tackle complex

technical challenges.

● Having prior experience in the FinTech domain would be an added advantage.

The ideal candidate should be a proactive individual with strong communication skills and a team player.

Should have hands-on experience in the following:

• He or she should have experience of at least 2 - 4 years in Java development.
• Hands-on experience in designing and developing applications using Java EE platforms and at least 2 - 4 years of experience on the same.
• Should have excellent in-depth knowledge on core java, JSP, servlets, and beans
• Experience in multi-threaded server-side Java programming
• Working knowledge of web services.
• Working knowledge on hibernate and springs framework.
• Experience in writing SQL queries.
• Should have worked in an SDLC environment.
• Good communication skills.
• Experience in working effectively within a team

Basic Qualifications

• Solid knowledge of algorithms/data structures is a must
• Strong Java software development experience – with a focus on Java 8 & 9
• Experience with NoSql databases – ideally with MongoDB
• Experience implementing REST apis – ideally with JAX-RS
• Experience with Reactive Programming – ideally with RxJava
• Experience implementing unit tests

Preferred Qualifications

• Experience developing applications in fintech or established financial institutions
• Experience with microservice architectures
• Experience developing systems that can scale to large amounts of data
• Experience working in Agile Scrum
• Experience working on a globally distributed team

Design and develop robust services in coordination with front-end developers, ensuring the production and development of high-quality and well-tested code

Design, develop and test features alongside other technical departments

Lead the department in the design, development, deployment, and operation of services used by our users

Optimise APIs for any applications while creating and maintaining unit tests for new code as well as fix defects

Participate in the continuous integration of automated builds and deployments, ensuring that deliverables meet functional and design requirements and specifications of the site/software. Work with engineering leadership in solving and architecting solutions for challenging or complex site/software development issues.

Take initiatives in developing and maintaining integrations of best practices within the backend department