Full stack Developer

Position: Full Stack Developer (React.js + Node.js)

Experience: 2–5 Years

Location: Mumbai – Chembur West (Onsite)

Job Summary

We are looking for a Full Stack Developer with strong hands-on experience in React.js and Node.js to build scalable, secure, and high-performance web applications. The ideal candidate should be comfortable owning features end-to-end, developing responsive UI, building REST APIs, integrating databases, and supporting production systems.

Key Responsibilities

• Build responsive UI using React.js, HTML5, CSS3, JavaScript (ES6+)
• Develop scalable backend services and RESTful APIs using Node.js (Express.js / NestJS)
• Work with MongoDB and MySQL (schema design, indexing, query optimization)
• Implement authentication & authorization using JWT , RBAC , Oauth
• Integrate third-party APIs, Webhooks
• Build real-time features using Socket.io / WebSockets
• Ensure performance, scalability, and security (validation, sanitization)
• Implement caching using Redis (if applicable) and optimize API response times
• Support API testing (Postman/Supertest)
• Maintain API documentation using Swagger / OpenAPI
• Debug and resolve defects, handle RCA, and support production troubleshooting with logs/monitoring
• Follow Git-based workflows, participate in code reviews, and collaborate with QA/product teams in Agile delivery

Mandatory Skills

• React.js, Node.js, JavaScript (ES6+)
• MongoDB (must), MySQL
• REST API development & integration
• Socket.io / WebSockets, Webhooks
• HTML5, CSS3
• Git
• Typescript, Express.js / NestJS
• jQuery / AJAX (basic / legacy support)

Good to Have

• Redis, Swagger/OpenAPI
• Docker, CI/CD (GitHub Actions/Jenkins)
• Cloud exposure (AWS/Azure/GCP)

Qualification

BE / BTech / MCA / MSc IT / BSc IT with 2–5 years relevant experience.

CTC: As per industry std.

We are seeking a skilled Full Stack (FSE) Developer with expertise in Java, Spring Boot development to join our dynamic team. In this role, you will be responsible for development of critical banking application across various business domains. You will collaborate closely with cross-functional teams to ensure high-quality solutions are developed, maintained, and continuously improved.

Responsibilities:

Development of business-critical banking applications.

Develop new features for banking applications using FSE technologies.

Ensure code quality through proper testing, reviews, and adherence to coding standards.

Collaborate with design, backend, and other teams to deliver seamless user experiences.

Troubleshoot, debug, and optimize performance issues.

Participate in agile development processes and contribute to continuous improvement initiatives.

Requirements:

Bachelors/Masters degree in computer science, Software Engineering, or a related field.

4 – 6 years of relevant experience in application development.

Solid experience in:

Java, Spring Boot.

APIs / REST.

Kubernetes / OpenShift. 

Azure DevOps.

JMS, Message Queues.

Nice to have knowledge in: 

Quarkus.

Apache Camel.

Soft skills / Personality:

Excellent English communication skills / proactive communication.

Candidate needs to have Self-dependent working style.

Candidate needs to have problem solving skills (Strong analytical skills to identify and solve complex issues).

Candidate needs to show high Adaptability (Flexibility in adjusting to different working environments and practices).

Candidate needs to be quick in Critical thinking (Evaluating information and making informed decisions).

Candidate needs to have Team collaboration (Ability to work collaboratively with a distributed team) character.

Candidate needs to have Cultural awareness ability.

Candidate needs to be Initiative (Proactively seeking solutions and improvements).

Good to have knowledge about Co Banking systems.

Good to have Banking domain knowledge.

Experience in customer facing is an advantage.

Skills & Requirements

Java, Spring Boot, APIs/REST, Kubernetes, OpenShift, Azure DevOps, JMS, Message Queues, Quarkus, Apache Camel, Excellent English communication, Proactive communication, Self-dependent working, Problem-solving, Analytical skills, Adaptability, Critical thinking, Team collaboration, Cultural awareness, Initiative, Co-banking systems knowledge, Banking domain knowledge, Customer-facing experience.

Key Responsibilities:

·      Contribute to all stages of software development lifecycle

·      Analyse user requirements to define business objectives

·      Envisioning system features and functionality

·      Define application objectives and functionality

·      Ensure application designs conform with business goals

·      Identify and resolve any technical issues arising

·      Conducting software analysis, programming, testing, and debugging

·      Manage Java and Java EE application development

·      Develop documentation to help users

·      Transforming requirements into stipulations

·      Prepare and produce releases of software components

·      Support continuous improvement, investigating alternatives and technologies, and presenting for architectural review

·      Create & maintain monthly/weekly reports to track progress and performance.

Key Skills & Competencies:

·      Proficiency in Java

·      Core Java, J2EE, Spring MVC, Spring REST APIs, Spring Security, JSP, Web application, Redis, Oauth2, Angular, JQuery, Html, JavaScript

·      Knowledge on MySQL

·      Good experience in SQL server enabled understanding and write complex stored procedures

·      Web frameworks like Spring Boot

We are looking for a Java developer responsible for building Java applications. This includes anything between complex groups of back-end services and their client-end (desktop and mobile) counterparts. Your primary responsibility will be to design and develop these applications, and to coordinate with the rest of the team working on different layers of the infrastructure. Thus, a commitment to collaborative problem solving, sophisticated design, and product quality is essential.

Backend (Mandatory/Must to have skills) :

1. Core Java/Java8,
2. Spring boot,
3. Spring Security,
4. Hibernate or any other ORM (Object Relational Mapping) framework.
5. SQL/PL-SQL (Oracle or Mysql or postgresql) but mostly Oracle
6. Restful webservices
7. Git

Backend (Good to have skills) :

1. Knowledge of SOAP based webservices
2. Struts framework
3. Microservices

Backend (Not absolutely necessary but plus point if candidate has knowledge about ) :

1. Docker
2. Apache Kafka/ any other messaging queue tool like RabbitMQ, ActiveMQ etc.,)
3. Cloud experience AWS/Azure

Responsibilities:

• Contribute in all phases of the development lifecycle
• Write well designed, testable, efficient code
• Ensure designs are in compliance with specifications
• Prepare and produce releases of software components
• Translate application storyboards and use cases into functional applications
• Design, build, and maintain efficient, reusable, and reliable Java code
• Ensure the best possible performance, quality, and responsiveness of the applications
• Identify bottlenecks and bugs, and devise solutions to these problems
• Help maintain code quality, organization and automatization

• Must have 3+ years of hands-on experience in web development using core PHP,Wordpress, CodeIgniter etc
• Must have hands-on experience in front-end using JavaScript (ES6+), HTML, CSS etc.
• Must have experience with design patters such as RESTful, AJAX, and jQuery
• Experience in building responsive web pages
• Proficient understanding of code versioning tools, such as Git
• Should have working knowledge of MySQL database system
• Should have basic programming skills using object-oriented programming (OOP) languages with in-depth knowledge of common APIs and data structures

• Write well designed, testable, efficient quality code.
• Ensure designs are in compliance with specifications.
• Developing and implementing strong algorithms/techniques for solving problems in a
• Frameworks are good, but you should be able to function without them.
• Test and deploy applications and systems.
• Revise, update, refactor, debug code and improve existing software.

Thoughtworks is a global software consultancy with an aim to create a positive impact on the world through technology. Our community of technologists thinks disruptively to deliver pragmatic solutions for our clients' most complex challenges. We are curious minds who come together as collaborative and inclusive teams to push boundaries, free to be ourselves and make our mark in tech.

Our developers have been contributing code to major organizations and open source projects for over 25 years. They’ve also been writing books, speaking at conferences and helping push software development forward, changing companies and even industries along the way. We passionately believe that software quality is driven by open communication, review and collaboration. That’s why we’re such vehement supporters of open source and have made significant contributions to open source tools for testing, continuous delivery (GoCD), continuous integration (CruiseControl), machine learning and healthcare. 

As consultants, we https://www.thoughtworks.com/careers/hub/consultant-life">work with our clients to ensure we’re evolving their technology and empowering adaptive mindsets to meet their business goals. You could influence the digital strategy of a retail giant, build a bold new mobile application for a bank or redesign platforms using event sourcing and intelligent data pipelines. You will use the latest Lean and Agile thinking, create pragmatic solutions to solve mission-critical problems and challenge yourself every day.

For a team to thrive, it needs active collaboration and room for healthy, respectful debate. Senior Developers are the technologists who cultivate this environment while driving teams toward delivering on an ambitious tech vision and acting as mentors for more junior-level consultants. You will leverage deep technical knowledge to solve more complex business problems and actively assess your team’s health, code quality and nonfunctional pipelines. 

You’ll spend time on the following:

• You will use continuous delivery practices to deliver high-quality software as well as value to end customers as early as possible.
• You will work in collaborative, value-driven teams to build innovative customer experiences for our clients
• Create large-scale distributed systems out of microservices
• You will apply the latest technology thinking from ourhttps://www.thoughtworks.com/radar"> tech radar to solve client problems
• Efficiently utilize DevOps tools and practices to build and deploy software
• You will lead or take part in the entire cycle of software consulting and delivery from ideation to deployment and everything in between
• You will act as a mentor for less-experienced peers through both your technical knowledge and leadership skills 

Here’s what we’re looking for:

• 4-8 years of experience with two or more development languages such as Java/C#/Python/Go/Node.js etc
• You can skillfully write high-quality, well-tested code and you are comfortable with Object-Oriented programming
• Presence in the external tech community: you proactively share your expertise with others via speaking engagements, contributions to open source, blogs and more
• Comfortability with Agile methods, such as Extreme Programming (XP), Scrum and/or Kanban
• You enjoy influencing others and always advocate for technical excellence while being open to change when needed 
• You’re willing and able to commit to travel to client sites in order to solve their business problems
• You’re resilient in ambiguous situations and can approach challenges from multiple perspectives
• Bonus points if you have working knowledge of cloud technology such as AWS, Azure, Kubernetes and Docker

• Minimum 2years working experience in Application development using Angular 5/6.
• Strong proficiency in JavaScript and the JavaScript object model, JS MVC frameworks, redux such as Angular5/6, State Management With NgRx(Required).
• RestAPI Integration via Http,
• ThirdParty Integrations (Angular Material or PrimeNG),
• Lazyloading ( custom preloading Strategy ),
• Validation,
• Reactive Architecture ( RxJs Observables & Operators )
• Unit Testing (*not mandatory but would be a plus),

Responsibilities and Duties

• Be part of a full team delivering a complete front-end application
• Ensuring high performance on mobile and desktop
• Cooperating with the back-end developer in the process of building the RESTful API
• Develop/Design, implement, and test high-quality web applications in a cloud-based environment.
• Help brainstorm and plan new applications and web services.
• You will take ownership of technical problems and their resolution, including proactively
• Communicating with product managers, developers, architects, and the operations team.
• Provide accurate effort-estimates for deliverables.
• Be committed to the deadlines.