Full Stack - Java + React

Job Title: Lead Java Developer

Experience Required: 7+ Years

Location: Mumbai

About the Role

We are seeking a highly skilled Senior Backend Developer with deep expertise in building scalable, high-performance applications. The ideal candidate will have strong hands-on experience with Java, Spring Boot, Microservices, and distributed systems. You will play a key role in designing and optimizing APIs, architecting robust systems, and collaborating with cross-functional teams to deliver innovative solutions.

Key Responsibilities

• Design, develop, and maintain scalable backend systems using Java, Spring Boot, and Microservices architecture.
• Build and optimize APIs for large-scale applications ensuring high performance and reliability.
• Apply clean coding principles, SOLID design patterns, and clean architecture to deliver maintainable and robust code.
• Work with distributed systems technologies (Kafka, ELK, in-memory databases, Cassandra, or similar).
• Write efficient SQL queries and integrate with relational and NoSQL databases.
• Collaborate with product managers, architects, and other developers to define and align on technical decisions.
• Identify and solve complex problems with innovative and scalable solutions.
• Drive best practices in coding standards, system design, and performance optimization.
• Communicate complex technical concepts clearly across teams and stakeholders.

Skills & Qualifications

• 7+ years of experience as a Backend Developer.
• Strong expertise in Java, Spring Boot, Microservices, SQL.
• Significant experience in API design and optimization for enterprise-scale applications.
• Proficiency in distributed systems & related technologies (Kafka, ELK, in-memory DBs, Cassandra, etc.).
• Strong understanding of object-oriented engineering principles (SOLID, clean architecture).
• Excellent problem-solving and analytical skills with the ability to simplify complex concepts.
• Strong communication and collaboration skills, with the ability to influence and align teams.

Job Title: Java Developer (Immediate Joiners Only)

Experience: 5+ Years

Work Locations: Pune, Gurgaon, Noida, Bangalore, Ahmedabad

Work Mode: Hybrid

Joining: Immediate Joiners / Candidates who have completed their notice period only

About Us

At Deqode, we build high-performing engineering teams for cutting-edge technology solutions. We are currently looking for experienced Java Developers who are passionate about scalable systems, clean code, and modern architectures.

Key Responsibilities:

• Design, develop, test, and maintain Java-based applications using Java 8 and Spring Boot
• Build robust RESTful APIs and integrate with third-party services
• Work on microservices architecture, including containerization and orchestration
• Ensure the performance, quality, and responsiveness of applications
• Identify bottlenecks and bugs and devise solutions to these problems
• Participate in code reviews and contribute to technical discussions
• Collaborate with cross-functional teams to define and deliver new features
• Write unit and integration tests to maintain code quality

Mandatory Skills:

• Strong hands-on experience with Java 8 or above
• In-depth knowledge of Spring Boot and Microservices architecture
• Experience in developing RESTful APIs
• Proficient in object-oriented design principles and software design patterns
• Good understanding of databases (SQL/NoSQL)
• Familiarity with version control tools like Git
• Exposure to CI/CD practices and tools

Good to Have:

• Knowledge of containerization (Docker, Kubernetes)
• Experience with messaging queues (Kafka, RabbitMQ)
• Cloud exposure (AWS/Azure/GCP)
• Basic knowledge of unit testing frameworks like JUnit, Mockito

Job Description:

• Proficient in software Design and development and familiar with technologies - Java, Java-J2EE, Spring Boot, Ajax, REST API, Micro services etc.
• Working knowledge of any SQL database (MySQL, Oracle etc)
• Working knowledge of No-SQL database (Mongo or Dynamo DB)
• Experience in unit testing using Junit or Mockito
• Experience in designing and architecting systems with high scalability and performance requirements.
• Ability to design infrastructure for performance evaluation and reporting of cloud-based services, namely AWS
• In depth knowledge of key AWS services like EC2, S3, Lambda, CloudWatch etc..
• Certification on AWS architecture desirable
• Excellent communication skills
• Ability to effectively articulate technical challenges and solutions
• Skilled in interfacing with internal and external technical resources
• Good in debugging problems and mentoring teams on technical front

Roles and Responsibilities:

• Participate and contribute in platform requirements/story development.
• Contribute to the design, coding for the requirements/stories and also participate in code and design reviews.
• Develop use cases and do unit test cases and execute them part of continuous integration pipeline.
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• Collaborating with the front-end developers and other team members to establish objectives and design more functional, cohesive codes to enhance the user experience.
• Own code for the products with responsibilities including but not limited to designing, developing, testing, maintenance of products.
• Building RESTful services and do DevOps.
• Talking to customers and business teams to suggest improvement areas in product flows.
• Create peer learnings for team members and build context for new teammates
• Help with building the company's tech team and iterating on the hiring framework.
• Provide regular feedback to your team (peers and managers) to ensure continuous improvement.
• Keeping abreast with the latest technologies and working on your skills regularly.

Skills & Requirements

• Good knowledge and experience of working with backend systems; designing server-side architecture, including production maintenance experience are must-haves.
• At least 1-8 years of experience in any programming languages like Java, Ruby, PHP, Python, and Node.js(Node.js preferred).
• Understanding of micro-services-oriented architecture.
• Experience with Databases design (SQL, NoSQL) and analytics
• Experience in driving and delivering complex features/software modules from technical design to launch.
• Expertise with unit testing & Test Driven Development (TDD)
• Have empathy for the users you build for

Good to have

• Experience in the fintech industry
• Experience leading design and implementation of robust and secure web services

1. Design and develop features using Java, Spring, and Hibernate
2. Ability to design database schema, develop views and stored procedures
3. Maintain existing software systems by identifying and

Correcting software defects.

1. Review and analyse business requirements and provide technical software defects.

Key Skills:

1. Good understanding of algorithms, data structures & design patterns
2. Thorough understanding of core Java, Spring framework
3. Experience with Spring Boot to bootstrap applications
4. Good understanding and working experience with RESTful web services
5. Knowledge of modern authorization mechanisms, such as JSON Web Token and OAuth2 - Familiarity with code versioning tools such as Git, etc.
6. Self-starter who can think outside of the box, and come up with a solution to resolve and mitigate complex problems
7. Experience working in an Agile development environment using methodologies like Scrum and tools like JIRA, Confluence, etc Experience.Comfortable with MYSQL,Mongodb

Role & Responsibilities:

1. Design and develop features using Java, Spring, and Hibernate
2. Ability to design database schema, develop views and stored procedures
3. Maintain existing software systems by identifying and correcting software defects
4. Review and analyze business requirements and provide technical feasibility and estimates
5. 2-4 years of work experience developing Java-based backend applications. Around 1 year of work experience e using Spring Boot, Spring Cloud and Microservices.

Required Skills

• Proficiency in CS concepts such as Data Structures, Algorithms and Operating systems.
• More than 2 years of experience in a development Team with very good knowledge and hands-on experience using Java technologies.
• Knowledge of Java MVC Framework Spring MVC / Spring Boot.
• Good SQL and NoSQL skills
• Knowledge of/experience developing Web APIs using RESTFUL services.
• Deep expertise in at least one programming language & tech stack to write maintainable, scalable, unit-tested code - preferably Java.

Good to Have

• Strong object-oriented design skills, knowledge of design patterns, and an uncanny ability to design intuitive module and class-level interfaces.
• Participation in open source projects.
• Active involvement in solving problems on Github, Stackoverflow and similar other community groups
• Hands on experience on PubSub patterns such as Kafka / RMQ
• Experience with full life cycle development in any programming language on a Linux platform

Responsibilities and Duties

• You will translate high level business problems into scalable design and code.
• Create libraries & Utilities for larger consumption.
• Should understand and have knowledge on the application security practices/vulnerabilities.
• You will write performant, unit-tested code, develop object-oriented models and design data structure for new software projects taking systems aspects into account.