11+ Sonar Jobs in Bangalore (Bengaluru) | Sonar Job openings in Bangalore (Bengaluru)

Job Title : Lead Java Developer (Backend)

Experience Required : 8 to 15 Years

Open Positions : 5

Location : Any major metro city (Bengaluru, Pune, Chennai, Kolkata, Hyderabad)

Work Mode : Open to Remote / Hybrid / Onsite

Notice Period : Immediate Joiner/30 Days or Less

About the Role :

• We are looking for experienced Lead Java Developers who bring not only strong backend development skills but also a product-oriented mindset and leadership capability.
• This is an opportunity to be part of high-impact digital transformation initiatives that go beyond writing code—you’ll help shape future-ready platforms and drive meaningful change.
• This role is embedded within a forward-thinking digital engineering team that thrives on co-innovation, lean delivery, and end-to-end ownership of platforms and products.

Key Responsibilities :

• Design, develop, and implement scalable backend systems using Java and Spring Boot.
• Collaborate with product managers, designers, and engineers to build intuitive and reliable digital products.
• Advocate and implement engineering best practices : SOLID principles, OOP, clean code, CI/CD, TDD/BDD.
• Lead Agile-based development cycles with a focus on speed, quality, and customer outcomes.
• Guide and mentor team members, fostering technical excellence and ownership.
• Utilize cloud platforms and DevOps tools to ensure performance and reliability of applications.

What We’re Looking For :

• Proven experience in Java backend development (Spring Boot, Microservices).
• 8+ Years of hands-on engineering experience with at least 2+ years in a Lead role.
• Familiarity with cloud platforms such as AWS, Azure, or GCP.
• Good understanding of containerization and orchestration tools like Docker and Kubernetes.
• Exposure to DevOps and Infrastructure as Code practices.
• Strong problem-solving skills and the ability to design solutions from first principles.
• Prior experience in product-based or startup environments is a big plus.

Ideal Candidate Profile :

• A tech enthusiast with a passion for clean code and scalable architecture.
• Someone who thrives in collaborative, transparent, and feedback-driven environments.
• A leader who takes ownership beyond individual deliverables to drive overall team and project success.

Interview Process

1. Initial Technical Screening (via platform partner)
2. Technical Interview with Engineering Team
3. Client-facing Final Round

Additional Info :

• Targeting profiles from product/startup backgrounds.
• Strong preference for candidates with under 1 month of notice period.
• Interviews will be fast-tracked for qualified profiles.

Must Have Skills:

• Overall 10+ years of experience in application development using Golang.
• Experience in designing and developing REST based services / Microservice development.
• Ability to design scalable, robust, and error-tolerant systems.
• Understanding of software architecture and distributed systems.
• Proficient in writing efficient and optimized algorithms under time constraints.
• Skilled in developing solutions that balance performance, readability, and maintainability.
• Ability to effectively communicate coding decisions and rationale during problem-solving discussions.
• Hands-on experience with queuing mechanisms such as Kafka or RabbitMQ.
• Candidates should be adaptable and eager to quickly learn and integrate into the existing tech stack if they lack direct experience.
• Candidate should have good communication skills (written and verbal).
• Experience with delivering projects in an agile environment using SCRUM methodologies.

Good to have:

• Experience to AWS, CI/CD, DevOps.
• Experience using container management tools such as Kubernetes, Docker and Rancher.
• Any one of these data store Cassandra, Postgres, Couchbase, or other NoSQL servers.

Key Responsibilities

• Frontend Development: Designing and building responsive, interactive user interfaces using React.js, HTML5, CSS3, and modern JavaScript (ES6+).
• Backend Development: Developing robust, scalable server-side applications and microservices using Java and the Spring Boot framework.
• API Integration: Creating and consuming RESTful APIs to ensure seamless communication between the React frontend and the Java backend.
• Database Management: Designing and optimizing database schemas and queries using SQL (e.g., MySQL, PostgreSQL, Oracle) or NoSQL (e.g., MongoDB) databases.
• State Management: Managing application state in React using tools like Redux, Hooks, or Context API.
• Testing & Quality Assurance: Writing unit and integration tests using frameworks such as JUnit for backend and Jest or React Testing Library for frontend.
• DevOps & Deployment: Collaborating on CI/CD pipelines and using containerization tools like Docker and Kubernetes for application deployment. 
• Indeed
•  +14

Required Skills & Qualifications

• Core Technical Skills:
• Deep proficiency in Java (8+) and the Spring ecosystem (Spring Boot, Spring Security, Spring Data JPA).
• Expertise in React.js workflows, component-based architecture, and hooks.
• Strong understanding of Microservices architecture and cloud platforms (AWS, Azure, or GCP).
• Experience & Education:
• Typically requires a Bachelor's degree in Computer Science or a related field.
• Proven experience (often 1–5+ years depending on seniority) in full-stack development.
• Tools: Version control systems like Git, build tools like Maven or Gradle, and Agile project management tools like Jira. 
• Indeed
•  +13

Typical Salary Ranges (India)

• Freshers: ₹3.8 Lakh to ₹12 Lakh per year.
• Experienced (5+ years): ₹18 Lakh to ₹30 Lakh+ per year.
• Average (General): Approximately ₹29 Lakh per year for high-demand specialized roles. 

Essential Responsibilities:

Demonstrate the understanding of Agile software development life cycle and distinguish the core inputs and outputs in each cycle.

Work closely with your peers and keep engaging in a fast pace technical design and development team

Execute in a fast pace delivery mode and focus on delivering tasks to meet monthly and quarterly digital product release goals

Lead impact assessment and decisions related to technology choices, design / architectural considerations and implementation strategy

Maintain code quality through best practices, unit testing and code quality automation

Demonstrate the ability to make informed technology choices after due diligence and impact assessment

Help in designing interfaces and information exchange between modules

Articulate the need for scalability and understand the importance of improving quality through testing.

Be an expert in writing code that meets standards and delivers the desired functionality using the technology selected for the project

Drive design reviews, define interfaces between code modules, and apply existing technology to designs

Be an expert in assessing application performance and optimizing/improving it through design and best coding practices

Desired Skills:

Java, Spring,Microservices

Responsibilities:

• Research, design and build highly reliable, available and scalable solutions that can

handle Millions of API calls across systems.

• Own large technical deliverables and execute in a structured manner, complete ownership

of functional Services that your team is responsible for.

• Take the accountability of the overall health of the products you build and predictability

of the deliverables of your team.

• Platformism components as libraries, utilities and service and promote reuse.

• Be able to conceptualize and develop prototypes quickly.

Requirements

• Ability to take ownership of projects under the guidance of your mentor.

• Must be an excellent problem solver.

• Must be familiar with one of the languages Java, Spring, Hibernate, microservices etc.

object-oriented high level proprietary or open-source language with strong programming

constructs.

• Solid understanding of DS and algorithms, OOP concepts, and MVC architecture.

• Strong Experience in Java and related frameworks such as EJB, Spring and Spring Boot
• Strong Experience in REST API based Microservices development & integration that includes long running orchestration services
• Experience implementing services with modern authentication using OAuth 2.0, SAML, JWT
• Implementation Experience in RDBMS (DB2/PostgreSQL) and good SQL query knowledge
• Strong CI/CD experience with GitHub CI/CD or Jenkins or Maven
• Creating custom, general use modules and components which extend the elements and modules of core

Overview: 

We are seeking an experienced Spring Boot developer with a passion for esports to join our team. The ideal candidate will have a strong track record of building and maintaining web applications using Spring Boot and a proven ability to work effectively in a team environment. Experience in the esports industry is a plus. 

Responsibilities: 

• Develop and maintain web applications using Spring Boot and related technologies 
• Write clean, maintainable, and efficient code 
• Collaborate with the design and product management teams to implement new features and functionality 
• Work with the DevOps team to ensure proper deployment and monitoring of applications 

• Troubleshoot and debug issues as they arise 
• Write and maintain comprehensive documentation 

Requirements: 

• Strong professional experience with Java and Spring Boot 
• Experience with building and deploying web applications 

• Familiarity with web development frameworks such as Spring MVC or Spring WebFlux 
• Experience with Git and version control 
• Strong problem-solving and communication skills 

Preferred: 

• Experience in the esports industry 

• Experience with cloud technologies such as AWS or Azure 
• Familiarity with front-end development technologies such as HTML, CSS, and JavaScript 
• Experience with data persistence technologies such as Hibernate or JPA 
• Experience with testing frameworks such as JUnit or Mockito 

Responsibilities: 

• Develop backend systems for our first product
• Build reliable, secure and performant backend systems
• Drive test coverage and continuous delivery automation within the team
• Mentor and provide feedback to teammates

Requirements:

• 5+ years of software development experience
• Strong computer science fundamentals
• Deep and wide knowledge of Java ecosystem
• Can write code that is readable, maintainable, secure and performant
• Know the importance of tests and how to approach writing different types of tests
• Good intuition for REST API design
• Deep understanding of relational databases, transactions, entity-relationship modeling
• Comfortable writing highly concurrent systems
• Experienced in using profilers, tuning garbage collection, optimizing SQL queries

Bonus:

• Understanding of domain-driven design concepts like ubiquitous language, bounded contexts, aggregates and domain events
• Know how to use test driven development as a design tool
• Good intuition for the principles underlying object-orientation, particularly encapsulation
• Understand the importance of immutability and of reducing the state-space of objects
• Know how to refactor large codebases safely
• Seek to identify key underlying ideas and use those as building blocks before reaching for shiny new tools