Senior Java Fullstack Developer

Screening Round: Focuses on System Design.

Client Rounds: 4 subsequent rounds (Technical, Cultural, and Leadership) following a successful screening report and client shortlisting.

Tech Stack: Java, Spring Boot, React, Hibernate, MySQL/MongoDB/ScyllaDB.

Innovation: Leveraging AI tools (Claude, Cursor, LLMs/RAG) to accelerate development.

Experience and JD: 

Responsibilities

● Build and maintain end-to-end features spanning React.js frontends and Java

(Spring Boot) microservices and database integrations .

● Develop responsive, performant, and accessible UIs integrated with REST

and GraphQL APIs.

● Design and scale low-latency, high-throughput microservices for real-time

data workflows.

● Implement event-driven systems using Kafka or SQS for asynchronous

communication.

● Collaborate closely with Product, Design, and Architecture teams to translate

business requirements into scalable technical solutions.

● Optimize application performance via caching strategies, async processing,

and database tuning.

● Implement and maintain CI/CD pipelines, test automation, and monitoring

frameworks.

● Leverage AI-assisted tools (Claude, Cursor, etc.) to boost velocity and maintain

code quality.

● Participate in code reviews, design discussions, and architecture decisions.

● Write clean, maintainable code, follow design patterns, maintain high test

coverage, and document key technical decisions.

Requirements 

● 6–10 years of full stack development experience with a proven track record in

production systems.

● Strong proficiency in React.js, JavaScript/TypeScript, Redux (or similar state

management) and modern frontend frameworks.

● Solid backend experience with Java, Spring Boot, and Hibernate.

● Database experience with MySQL, MongoDB, or ScyllaDB.

● Hands-on with microservices, AWS (ECS/Lambda), SQS, and GraphQL.

● Familiarity with event-driven architectures and caching layers (Redis) and

asynchronous processing.

● Working knowledge of observability tools (Prometheus, Grafana, CloudWatch,

Sentry).

● Understanding of data structures, algorithms, and system design

fundamentals.

● Passion for clean code, testability, and engineering excellence.

● Strong analytical and communication skills with the ability to collaborate across

Product, Design, and QA teams.

● Comfortable in a remote-first, asynchronous, and ownership-driven culture.

Nice to Have 

● Experience with React Native or mobile web frameworks.

● Exposure to Kafka, Kinesis, or other event-streaming platforms.

● Familiarity with CI/CD (GitHub Actions, Docker) and container orchestration (ECS).

● Experience with AI-assisted development, LLMs, or LangChain pipelines.

● Domain exposure to B2B platforms, travel-tech, or high-scale marketplaces.

● Background in Test-Driven Development (TDD) or Agile methodologies.

Looking for Java Fullstack Developer

Having Experience in Java, Spring , Microservices

React and Redux

As a Junior Full Stack Developer, you will have the opportunity to work with a dynamic team and contribute to the development of our cutting-edge products. This is an excellent opportunity for motivated individual to enhance their skills and gain valuable experience in Java and React.js development.

Responsibilities:

1. Full Stack Development: Collaborate with senior developers and project teams to design, develop, and maintain web applications using Java and React.js.

2. Front-End Development: Implement user interfaces and create interactive web pages using HTML, CSS, and JavaScript frameworks like React.js.

3. Back-End Development: Design and develop server-side logic using Java, including building RESTful APIs, integrating with databases, and implementing business logic.

4. Database Management: Work with databases (e.g., MySQL, PostgreSQL) to design schemas, write queries, and optimize database performance.

5. Bug Fixing and Troubleshooting: Identify and resolve technical issues and bugs, ensuring the stability and functionality of the web applications.

6. Code Reviews: Participate in code reviews to maintain code quality, identify potential improvements, and ensure adherence to best practices and coding standards.

7. Learning and Growth: Stay updated with the latest industry trends, tools, and technologies, and continuously enhance your skills as a Full Stack Developer.

Qualifications:

1. Education: Bachelor's degree in Computer Science, Software Engineering, or a related field. Relevant work experience and projects will be considered.

2. Programming Skills:

● Strong knowledge of Java programming language and its core concepts.

● Familiarity with front-end development using React.js or similar JavaScript frameworks.

● Experience with HTML, CSS, and JavaScript.

3. Database Knowledge: Understanding of database concepts and experience working with SQL databases.

4. Web Technologies: Understanding of web development principles, RESTful APIs, and HTTP protocols.

5. Problem-Solving: Strong problem-solving skills and the ability to analyze and debug issues effectively.

6. Team Player: Demonstrated ability to work collaboratively in a team environment, share ideas, and contribute to the overall success of the project.

7. Self-Motivated: Proactive and eager to learn new technologies and tools independently.

8. Communication: Effective verbal and written communication skills to collaborate with team members and stakeholders.

9. Attention to Detail: Meticulous attention to detail and the ability to write clean, efficient, and maintainable code.

10. Enthusiasm: Passion for software development and a drive to build high-quality applications.

JD of Java Full Stack Developer:-

  Java 8 / java 11

o Strong on OOPS concepts / not theoretically, should be able to analyze the outcome of a code snippet and also should have an ability to write code during the interview

o Should be well versed with the key features of Java 8 / Java 11

o Some of the concepts to mentions would be

§ Upcasting / downcasting  / exception handling

  JUNIT5 – Mockito / PowerMock

  JPA & Hibernate

o Should be well versed with Java persistence and key concepts, to mention a few as below

o First level cache

o Second level cache

o N+1 problem

  Microservices

o Should be well versed with the design patterns, to mention few such as

§ Aggregator

§ Circuit breaker

§ CQRS

o Should be able to explain a micro-service for CURD operations with spring boot

o Should be well versed with the HTTP codes

  Splunk / Kibana

·         Frontend tools:- Angular/React/Nodejs.

• Having around 10+ years of Experience in IT industry in Software Development.
• Having strong Python full stack developer.
• Having work Experience in OpenStack,Ansible, Shellscript, Chef, Puppet, Docker,ELK,OpenTSDB, Kafka, Zookeeper, Grafan
• Having work experience in SDN/NFV
• Having work experience in AWS,AZURE Cloud
• Experience in Python, HTML, CSS
• Having work experience in Open source and Open Flow Controller(SDN).
• Having work experience in Zabbix, Nagiso, OpenNMs Monitoring tool.
• Experience in Aglie methodology.
• Having work experience in Type1&Type2 Hypervisors and KVM.
• Having good knowledge on OOP'S concepts and Django ORM.
• Good Knowledge on MySQL ,Postgresql, HDFS, Timeseries
• Basic Knowledge on Javascript and Jquery.
• Good Knowledge on ONOS,OpenKilda,Mininet.
• Having work experience in SDN/NFV, Orchestration
• Having work experience in Supply Chain Management system.
• Having work experience in MVT/MVC architecture.
• Having good knowledge networks, devices, service modeling and automation in systems.
• Having work experience on API & JSON implementation.
• Good Understanding of Software Development (i.e. SDLC)
• Good team player enthusiastic and quick learner
• Good interpersonal skill, commitment, result oriented with a quest and learn new technologies and understanding challenging tasks

• Designing and developing user interfaces using angularJS best practices.
• Adapting interface for modern internet applications using the latest front-end technologies.
• Writing JavaScript, CSS, and HTML.
• Developing product analysis tasks.
• Making complex technical and design decisions for AngularJS projects.
• Developing application codes and unit tests in AngularJS, Java Technologies, and Rest Web Services.
• Conducting performance tests.
• Consulting with the design team.
• Ensuring high performance of applications and providing support.

**Work remotely / Work From Home with BigStep Technologies throughout your tenure**

Desired candidates must have 8+ years of total experience in backend development with good expertise in MEAN Stack (MongoDB, ExpressJS, AngularJS, Node.js) and JavaScript, along with strong development and coding skills, good analytical and problem-solving skills.

Roles and Responsibilities :

What You'll Do

• Create the system architecture for any product from scratch as well as drive it for more than one development teams
• Design and deliver solutions that enable fast and efficient deployment of quality code to production
• Document the architectural blueprint and end to end design through flowcharts and diagrams.
• Set coding standards for development teams and ensure all released code is following standards
• Oversee the code review process, performing reviews when necessary
• Establish strong communication channels and relationships with the development teams, supporting them throughout the release cycle
• Continuously evaluate the existing software to identify areas of improvement and ensure architectural integrity as additional features are added.
• Lead DevOps and implement tooling and process improvements when you identify gaps
• Work with various stakeholders and identify the scope of the work, provide high level estimations, create a timeline and come up with the approach and design for the same.
• Evaluate and recommend tools, technologies and processes to ensure the highest quality product platform.
• Coach and mentor the development teams to improve the overall expertise and skills of the team.
• Take care of the development of critical components and POCs for new technologies to be used.
• Deliver high quality deliverables individually/as a team adhering to industry best practices.
• Troubleshoot any errors or issues that arise in the application/infrastructure components quickly and efficiently.

What You Bring

• 8+ years in software development or product engineering
• Proficient in MEAN Stack
• Good experience in backend development with Node.js
• Expertise in developing RESTful APIs
• Have created multi-transactional and highly redundant systems from ideation to production
• Customer-centric mindset
• Expertise in Agile SCRUM best practices
• Expertise in implementing front-end of applications using HTML5, Angular.js
• Proficient in MVC, OOPS concepts, Web Development Concepts, HTML, JSON, REST API development
• Strong coding skills, good analytical and problem-solving skills
• Ability to break down complex technical concepts into something digestible by non-technical stakeholders

**Work remotely / Work From Home with BigStep Technologies throughout your tenure**

Strong experience on core Java (Version >=1.8 )

Strong experience on Spring ecosystem (Core, MVC, data, JPA, transaction management, security, AOP, Batch & Boot). Comfortable performing integration tests in Spring context.

Strong experience on JDBC and DB concepts.

Experience of TDD/BDD approach and prior experience working with CI/CD tools (Maven, Git, jenkins)

Strong experience on ORM (hibernate) and PL/SQL procedures

Knowledge of some of UI latest languages / frameworks ( Html5, Angular 4+)

Knowledge of SOA/Microservices (REST, Soap) and its challenges

Strong knowledge on APP server (Tomcat, Weblogic)

Strong knowledge on Microservices

Exposure on Digital stack

-          UX/UI

-          API

-          Machine Learning

-          Big Data

-          Cloud/Docker/IaaS/PaaS

Knowledge on Java Swing

Experience delivering sound development, testing, implementation, deployment and support strategies in complex distributed environments.

Knowledge on production monitoring tools.

Good experience in leading change within a team, especially around testing and quality practices.

Team player, who relentlessly involves others and shares knowledge with them

Should have experience of participant in design reviews and code reviews.

Curiosity in all the latest trends and ready to do POCs with new technical stack