Senior Software Engineer ( Java / J2EE )

Responsibilities: 

• Develop and maintain high-quality, efficient, and scalable backend applications. 
• Participate in all phases of the software development lifecycle (SDLC) 
• Write clean, well-documented, and testable code adhering to best practices. 
• Collaborate with team members to ensure the successful delivery of projects. 
• Debug and troubleshoot complex technical problems. 
• Identify and implement performance optimizations. 
• Participate in code reviews 
• Hands-on experience with Springboot, Java 8 and above. 
• 2-5 years of experience developing Java applications. 
• Knowledge about at least one messaging system like Kafka, RabbitMQ etc. 
• Required React developer requirements, qualifications & skills: 
• Proficiency in React.js and its core principles 
• Strong JavaScript, HTML5, and CSS3 skills 
• Experience with popular React.js workflows (such as Redux) 
• Strong understanding of object-oriented programming (OOP) principles. 
• Experience with design patterns and best practices for Java development. 
• Proficient in unit testing frameworks (e.g., JUnit). 
• Experience with build automation tools (e.g., Maven, Gradle). 
• Experience with version control systems (e.g., Git). 
• Experience with one of these databases – Postgres, MongoDb, Cassandra 
• Knowledge on Retail or OMS is a plus. 
• Experienced in containerized deployments using Docker, Kubernetes and DevOps mindset 
• Ability to reverse engineer existing/legacy and document findings on confluence. 
• Create automated tests for unit, integration, regression, performance, and functional testing, to meet established expectations and acceptance criteria. 
• Document APIs using Lowe’s established tooling. 

Job Summary

We are looking for an experienced Java Full Stack Developer with strong expertise in Java, React.js, and AWS to design, develop, and maintain scalable web applications. The ideal candidate should have experience building high-performance applications and working across both front-end and back-end technologies.

Key Responsibilities

• Develop and maintain full-stack web applications using Java and React.js
• Design and build RESTful APIs and microservices using Java frameworks
• Develop responsive and interactive frontend interfaces using React.js
• Work with AWS services for deployment, scalability, and infrastructure
• Collaborate with cross-functional teams including product managers, designers, and QA
• Write clean, maintainable, and efficient code following best practices
• Participate in code reviews, testing, debugging, and performance optimization
• Implement CI/CD pipelines and cloud-based solutions

Required Skills

• Strong experience in Java (Spring Boot / Spring Framework)
• Good knowledge of React.js, JavaScript, HTML, CSS
• Experience building REST APIs and microservices architecture
• Hands-on experience with AWS services (EC2, S3, Lambda, RDS, etc.)
• Familiarity with Git, CI/CD pipelines, and Agile development
• Experience with database technologies (MySQL, PostgreSQL, or MongoDB)

Preferred Skills

• Experience with Docker / Kubernetes
• Knowledge of serverless architecture
• Experience working in cloud-native environments
• Understanding of system design and scalable architecture

Why NxtWave

As a Fullstack SDE1 at NxtWave, you

• Get first hand experience of building applications and see them released quickly to the NxtWave learners (within weeks)
• Get to take ownership of the features you build and work closely with the product team
• Work in a great culture that continuously empowers you to grow in your career
• Enjoy freedom to experiment & learn from mistakes (Fail Fast, Learn Faster)
• NxtWave is one of the fastest growing edtech startups. Get first-hand experience in scaling the features you build as the company grows rapidly
• Build in a world-class developer environment by applying clean coding principles, code architecture, etc.

Responsibilities

• Design, implement, and ship user-centric features spanning frontend, backend, and database systems under guidance.
• Define and implement RESTful/GraphQL APIs and efficient, scalable database schemas.
• Build reusable, maintainable frontend components using modern state management practices.
• Develop backend services in Node.js or Python, adhering to clean-architecture principles.
• Write and maintain unit, integration, and end-to-end tests to ensure code quality and reliability.
• Containerize applications and configure CI/CD pipelines for automated builds and deployments.
• Enforce secure coding practices, accessibility standards (WCAG), and SEO fundamentals.
• Collaborate effectively with Product, Design, and engineering teams to understand and implement feature requirements..
• Own feature delivery from planning through production, and mentor interns or junior developers.
• 
  

Qualifications & Skills

• 1+ years of experience building full-stack web applications.
• Proficiency in JavaScript (ES6+), TypeScript, HTML5, and CSS3 (Flexbox/Grid).
• Advanced experience with React (Hooks, Context, Router) or equivalent modern UI framework.
• Hands-on with state management patterns (Redux, MobX, or custom solutions).
• Strong backend skills in Node.js (Express/Fastify) or Python (Django/Flask/FastAPI).
• Expertise in designing REST and/or GraphQL APIs and integrating with backend services.
• Solid knowledge of MySQL/PostgreSQL and familiarity with NoSQL stores (Elasticsearch, Redis).
• Experience using build tools (Webpack, Vite), package managers (npm/Yarn), and Git workflows.
• Skilled in writing and maintaining tests with Jest, React Testing Library, Pytest, and Cypress.
• Familiar with Docker, CI / CD tools (GitHub Actions, Jenkins), and basic cloud deployments.
• Product-first thinker with strong problem-solving, debugging, and communication skills.
• 
  

Qualities we'd love to find in you:

• The attitude to always strive for the best outcomes and an enthusiasm to deliver high quality software
• Strong collaboration abilities and a flexible & friendly approach to working with teams
• Strong determination with a constant eye on solutions
• Creative ideas with problem solving mind-set
• Be open to receiving objective criticism and improving upon it
• Eagerness to learn and zeal to grow
• Strong communication skills is a huge plus

Work Location: Hyderabad

Must Have Experience:

 Min 5 years of strong experience in Java/J2EE technologies

 Core Java, Spring / Spring Boot / React / Hybrid / Mobile

 Hibernate / JPA / JDBC

 Experience with web application environments like Eclipse, Tomcat and

WebLogic/WebSphere.

 Experience with tools like Git / SVN, Maven etc.

 Must have knowledge of Oracle Database / MS SQL Database.

 Should be able to do efforts estimation

 Should have done customer interaction

 Must have handled the team of 7-8 developers & testers

 Prepare / Review the document

•  Code Review

Location: Pune (Work from home till Pandemic)

Skills: Java, Spring, Hibernate, MySQL,

Backend Skills – Java Spring Boot, JSP, MySQL, Document DB

Frontend Skills – ReactJS

Good to have ( Not Mandatory ) – Python.

Job Description:

• Hands on experience in designing and developing applications using Java
• Hands on experience in Spring, Hibernate, Micro-Services and MySQL
• Object Oriented analysis and design using common design patterns.
• Familiarity with build tools like Maven
• Proficient understanding of code versioning tools, such as Git
• Experience in Java Development
• Good to have experience or Basic knowledge in ReactJs but not mandatory

A mid-senior level Java-Full Stack Developer manages a critical project for one of our biggest clients in the banking domain. The Individual should be passionate about technology, experienced in developing and managing cutting-edge technology applications.

Requirements:

• Proven experience in Java8 Spring boot, Microservices, Node JS, JavaScript, Gulp
• Strong experience with Kafka and Cassandra
• Experience with Gemfire or any Java Caching techniques
• Experience with UI (React / Angular 1.5)
• Strong experience in using RDBMS (Oracle). Cassandra Knowledge will be an added advantage
• Experience in working in Eclipse / Maven environments.
• Demonstrate experience in using Cucumber.
• Hand's on experience in Unix / Shell scripting.
• Hand's on experience in fine-tuning application response/performance testing.
• Experience in Web Services.
• Understanding of banking risk and compliance policies.
• Experience in code scanning tools like a black duck and tools like Sonar etc.
• Systems application development skills
• Strong analysis & problem-solving skills
• Strong communication skills - both verbal and written
• Ability to work independently with limited supervision
• Proven ability to use own initiative to resolve issues
• Full ownership of projects/tasks
• Ability and willingness to work under pressure, on multiple concurrent tasks, and to deliver to agreed deadlines
• Eagerness to learn
• Strong team-working skills
• Understanding of waterfall and Agile methodologies.
• Experience in working with groups that are set up across the globe.
• Resolve technical issues of projects and Explore alternate designs
• Participates as a team member and fosters teamwork by inter-group coordination within the modules of the project.
• Effectively collaborates and communicates with the stakeholders and ensure client satisfaction
• Train and coach members of project groups to ensure effective knowledge management activity.
• PRIMARY COMPETENCY: Java Technologies PRIMARY SKILL: Java Spring MVC, WEB & Spring Boot PRIMARY SKILL PERCENTAGE: 51 SECONDARY COMPETENCY: UX & UI Development SECONDARY SKILL: React JS SECONDARY SKILL PERCENTAGE: 49