Tech Lead

Job Title: Senior Java Full Stack Developer

Locations: Delhi NCR, Hyderabad, Chennai, Pune, Bangalore Experience: 6–13 Years

Employment Type: Full-Time

"Need Immediate joiners or serving notice period candidates only can join in a maximum of 30 days"

About the Role

We are looking for an experienced and highly skilled Java Full Stack Developer with strong backend expertise in Java and hands-on experience in ReactJS for front-end development. The ideal candidate will drive the design, development, and implementation of high-performance, scalable applications that meet business goals.

Key Responsibilities

Backend Development (Approx. 80%)

• Design, develop, and maintain robust and scalable backend services using Java, Spring Boot, and related frameworks.
• Build and optimize RESTful APIs and microservices.
• Collaborate with cross-functional teams to define backend architecture and ensure high availability and performance.
• Troubleshoot complex issues, debug code, and improve overall system reliability.
• Participate in code reviews, design discussions, and technical decision-making.

Frontend Development (Approx. 20%)

• Develop responsive user interfaces and reusable ReactJS components.
• Integrate frontend components with backend services and APIs.
• Ensure high performance, cross-browser compatibility, and seamless user experience.

General

• Work in an Agile/Scrum environment and deliver high-quality software on schedule.
• Maintain robust documentation and follow SDLC best practices.
• Mentor junior developers and contribute to team growth.

Required Skills & Qualifications

• 6–13 years of professional experience in software development, with a strong focus on backend systems.
• Advanced proficiency in Java, Spring Boot, and related server-side technologies.
• Hands-on experience with ReactJS and modern JavaScript.
• Solid understanding of REST APIs, microservices architecture, and web services.
• Strong database skills (SQL and/or NoSQL) and familiarity with schema design.
• Experience with version control (e.g., Git) and CI/CD practices.
• Excellent problem-solving, debugging, and communication skills.

Preferred Skills (Bonus)

• Experience with containerization and orchestration (Docker, Kubernetes).
• Exposure to cloud platforms (AWS, Azure, GCP).
• Knowledge of message queuing (Kafka, RabbitMQ).
• Familiarity with automated testing frameworks and best practices.

Education

• Bachelor’s or Master’s degree in Computer Science, Engineering, IT, or a related field (or equivalent practical experience)

Job Description:

Technical Lead – Full Stack

Experience: 8–12 years (Strong candidates Java 50% - React 50%)

Location – Bangalore/Hyderabad

Interview Levels – 3 Rounds

Tech Stack: Java, Spring Boot, Microservices, React, SQL

Focus: Hands-on coding, solution design, team leadership, delivery ownership

Must-Have Skills (Depth)

Java (8+): Streams, concurrency, collections, JVM internals (GC), exception handling.

Spring Boot: Security, Actuator, Data/JPA, Feign/RestTemplate, validation, profiles, configuration management.

Microservices: API design, service discovery, resilience patterns (Hystrix/Resilience4j), messaging (Kafka/RabbitMQ) optional.

React: Hooks, component lifecycle, state management, error boundaries, testing (Jest/RTL).

SQL: Joins, aggregations, indexing, query optimization, transaction isolation, schema design.

Testing: JUnit/Mockito for backend; Jest/RTL/Cypress for frontend.

DevOps: Git, CI/CD, containers (Docker), familiarity with deployment environments.

That can include the following tasks:

• Develop and revamp creative, eye-catching websites as per the client's needs.
• Work with project managers to discuss the desired website functionality and provide solutions.
• Integrate custom templates/themes into WordPress.

• Knowledge of WordPress Architecture, WooCommerce, Page Builder’s (like Elementor, Divi, Visual Composer etc), and other best practice solutions
• Knowledge of PHP, MySQL, HTML, CSS, Javascript/jQuery.
• Knowledge of child theme creation and customization as per designed based on the requirements
• Knowledge of WordPress plugin and back-end development

Job Overview      :

This Jr. Developer position has design, development and maintenance    responsibility for the software applications and processes associated with our product oriented company. This role will initially focus specifically on the developing application as per requirements provided by the product owner.

Job Responsibilities:

1. Understand our client's infrastructure and technical environment to provide best of breed technical consulting services.
2. Diligently monitor, optimize and report on integration and deployment performance for key accounts against KPIs, with proactive cross functional and internal communication on customer deployments.
3. Regular consultation with cross functional teams on account deployments to ensure optimal performance and delivery.
4. Handle technical troubleshooting

Job Requirements:

1. B.E/B.S/B.Tech in Computer Science or Computer Engineering.
2. Must have minimum 2-4 years of experience in the Angular-Node-PostgreSQL tech stack.  (proof of experience to be submitted for verification on request)
3. Should have worked on Architect / Consultant role in the tech stack.
4. Proficient in Object Oriented Programming.
5. Experience in performing SQL queries on a RDMS especially in PostgreSQL.
6. Extensive experience in Angular Front end and Node – Express server side.
7. Good at API development & integration, debugging and fixing the issues with API.

Responsibilities:

• Design, develop, and maintain software applications.
• Go the extra mile to identify customer needs and pain-points. 
• Relentless focus on delivering high quality, bug-free code.
• Closely work with the SRE and DevOps team to set up microservices infrastructure. 
• Maintaining and auditing code/design quality as per set guidelines and standards in assigned projects.
• Testing of completed tasks in ongoing projects in the team before sending updates to reporting authority/client.
• Participate in application design, code reviews and documentation.

Requirements:

• Experience in agile development process.
• Excellent knowledge of HTML5, CSS3.
• Excellent knowledge of JavaScript.
• Experience with cross-browser, cross-platform and design constraints on the web
• Good understanding and experience of working on Vue.js/React.js.
• Prior experience building REST APIs
• Hands-on experience with Node.js/Golang/Java + Redis + Elasticsearch.
• Experience with AWS/GCP is a plus
• Knowledge of version control systems like GIT.
• Experience in developing automated unit and functional tests
• A minimum of 1 year of experience is needed.

Flexiple's infrastructure is heavily powered by Ruby on Rails, and we're keen to onboard smart Ruby developers with some experience on JavaScript to help us build amazing web apps!

You'll be part of Flexiple's core engineering team and get a chance to work on multiple Ruby/JS apps, that are built for performance & scale. A typical day of engineering work at Flexiple would involve backend ruby work and getting your hands dirty in the frontend.

Our apps are built for internal & external users, and a few of them get 1 million+ monthly hits! We'd love for you to help us build performant systems that function at such scale.

We don't make compromises in design or code and all our apps are robust, fast and well-tested. However, we also focus equally on speed of development, which is typical of the startup dev culture. So you'll see the best of both worlds at Flexiple!

This is a fully remote position that can be done from anywhere. The CTC can be increased based on the experience of the individual (up to 20 lpa).

If you're backend Ruby developer, who also loves to tinker on the frontend, then this is the right opportunity for you.

• Build & deploy robust, well-tested products/features that are used by millions of users.
• Write crisp, clean & efficient Ruby and JavaScipt code, with equal focus on being easy to maintain and debug.
• Write clean & elegant CSS to bring static wireframes/mockups to life.
• Communicate effectively, contribute to improving the dev processes and brainstorm ideas.
• Share feedback with others, mentor your teammates and grow as a part of the team.
• Stay up-to-date with the latest technologies.

First week:

• Join the team, understand Flexiple's practices & processes.
• Set up your local dev environment
• Get familiar with our tech stack & products.
• Create your first pull request.

First month:

• Get acquainted with the different products and their business domain.
• Contribute actively to the development of one or more products.
• Develop a deeper understanding of Flexiple's product suite, technology and processes.

First six months:

• Contribute actively to product planning, software development, testing and maintenance.
• Suggest and implement improvements to our dev processes and codebase.
• Lead tech initiatives for Flexiple's products.

• 1+ years of software development experience
• Past experience with Ruby on Rails and HTML/CSS/JavaScript
• Developed at least 2-4 production-quality web apps (at work or personal projects; can be any technology/ stack)
• Excellent grasp over algorithms and data structures
• Ability to learn and master new technologies quickly
• Passionate about building robust web/ mobile/ desktop apps and stay updated with the latest technologies/ frameworks
• Outstanding written and communication skills

• A fully remote (work from anywhere) role
• Receive a more-than-competitive salary plus benefits
• A flat and transparent culture
• Support for setting up home office
• Enjoy a culture with opportunities for growth and learning

You will be directly working with Hrishikesh, co-founder at Flexiple. More about him can be found on his https://www.linkedin.com/in/hrishikeshpardeshi/">LinkedIn and https://twitter.com/hrishiptweets">Twitter profiles.

Skills:

• Proficiency with JavaScript and HTML5
• Minimum 2+ years of hands-on experience with AngularJS and Angular Frameworks
• Experience with Java, JSON, Spring Boot and Hibernate 
• Experience with MYSQL databases
• Familiarity with Linux environments
• Experience with GIT 
• Hands on experience with AWS S3 is preferred
• Experience with web servers & application servers such as Apache and Nginx is good to have.

Responsibilities: 

• Design and develop client-side and server-side architecture
• Develop and manage well-functioning database
• Implementation of approved user interface
• Design and construction of REST APIs
• Server management and deployment for the relevant environment