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.

The Technical Consultant is responsible for the design, development and deployment of assigned technical functionality for client projects in the social services, health and human services domain. A technical consultant works under the guidance of the Technical Architect and/or Senior Technical Consultant on design and development issues. A technical consultant will act as technology expert on the client implementation projects on direct customer facing positions on Diona’s customer engagements around the globe.

Responsibilities:

• Works with the Technical Architect/Principal Technical Consultant/Senior Technical Consultant to implement the optimum solution with the chosen COTS platform
• Works within the project team to ensure that the project technical standards are properly applied
• Works as part of a team to implement client business requirements in a timely, performance-centric and configurable/maintainable manner
• Liaise with team members and COTS vendors (as applicable) to ensure a quality project deliverable
• Apply problem solving techniques and product capability knowledge to ensure best results for the client engagement
• Prepare and deliver domain best practice/product capability presentations
• Present a professional and knowledgeable image of Diona Technologies Limited to customers

Skills and Attributes:

• 3+ years of experience in Software Design, Planning and Development using Java and allied technologies
• Expert knowledge of JavaScript, Java and strong object-oriented development is a must
• Experience with integration technologies such as SOAP and REST web services, Apache Camel, Spring Batch is a must
• Knowledge of JDBC, SQL, XML, JSON and HTML is a must
• Experience in the social and human services domain and COTS implementation is a plus
• Experience with modern JavaScript frameworks such as NodeJS, ReactJS, ExpressJS, Angular is a bonus
• Experience with MongoDB or any NoSQL database is a bonus
• Experience with Android or iOS mobile app development a bonus
• Exposure to IBM rational software design tools is a plus
• In-depth understanding of the entire development process, including specification, documentation and quality assurance
• Should possess excellent written and verbal communication skills

Educational qualification:

Engineering Degree or equivalent from recognized institutes

Location – Bangalore

Primary Skills

• Java EE (Servlets, JSTL, JSP, JDBC)

• Frontend frameworks (ReactJS)

• Pure JavaScript, jQuery

• Bootstrap, HTML5, CSS, SASS

• Microsoft SQL Server (writing queries, stored procedures, triggers etc.)

Must have skills :

6+ Years Java, Spring - 4+ years, Node JS / React JS - 4+ years

Responsibilities:

Code, test and debug programs according to specifications.

Build new and modifying existing applications.

Develop software prototypes.

Write unit tests and functional tests (automation).

Perform manual tests.

Use tools to access data in datastore, version control systems, etc.

Practice Agile methodologies.

Frequently interface with other functional teams on all aspects of a feature or sub-system 

Looking for Front End - React JS, Back End – Node JS.

Build, maintain, and optimize backend services, APIs, and applications using Java frameworks such as Spring, Spring Boot, or Hibernate.

What You will do

● Create beautiful software experiences for our customers using design thinking, lean and agile methodology.

● Design and develop software products from scratch using the latest cutting edge technologies, platforms and languages such as JAVA, python, Javascript, GoLang and Scala.

● Work in a dynamic, collaborative, transparent, non-hierarchical culture.

● Help to grow the next generation of developers and have a positive impact on the industry.

Basic Qualifications

● Experience: 8+ years.

● Engineering Degree in Computer Science OR Equivalent.

● Hands-on development experience with a broad mix of languages such as JAVA, Python, Javascript etc.

● Server-side development experience mainly in JAVA, (Python and nodeJS can be considerable)

● UI development experience in ReactJS or AngularJS or PolymerJS or EmberJS or Jquery etc.

● Passion for software engineering and follow the best coding concepts. ● Good to great problem solving and communication skills.

● Must have experience in technical architecture and design , code reviews and mentoring junior developers.

● Should have experience in stakeholder management and work along with architects as and when necessary to lead the project.

Nice to have Qualifications

● Product engineering and customer-centric mindset.

● Great OOP skills, including design patterns.

● Experience with devops, continuous integration & deployment.

● Exposure to big data technologies, Machine Learning and NLP will be a plus.

Benefits

● Competitive salary.

● Work from anywhere.

● Reimbursements for remote work set up.

● Insurance (including a top up insurance for COVID).

● Free Access to Online learning libraries such as O'reilly or equivalent Location Remote - work from anywhere

What You will do

● Create beautiful software experiences for our customers using design thinking, lean and agile methodology.

● Design and develop software products from scratch using the latest cutting edge technologies, platforms and languages such as JAVA, python, Javascript, GoLang and Scala.

● Work in a dynamic, collaborative, transparent, non-hierarchical culture.

● Help to grow the next generation of developers and have a positive impact on the industry.

Basic Qualifications

● Experience: 8+ years.

● Engineering Degree in Computer Science OR Equivalent.

● Hands-on development experience with a broad mix of languages such as JAVA, Python, Javascript etc.

● Server-side development experience mainly in JAVA, (Python and nodeJS can be considerable)

● UI development experience in ReactJS or AngularJS or PolymerJS or EmberJS or Jquery etc.

● Passion for software engineering and follow the best coding concepts.

● Good to great problem solving and communication skills.

● Must have experience in technical architecture and design , code reviews and mentoring junior developers.

● Should have experience in stakeholder management and work along with architects as and when necessary to lead the project.

Nice to have Qualifications

● Product engineering and customer-centric mindset.

● Great OOP skills, including design patterns.

● Experience with devops, continuous integration & deployment.

● Exposure to big data technologies, Machine Learning and NLP will be a plus.

Benefits

● Competitive salary.

● Work from anywhere.

● Reimbursements for remote work set up.

● Insurance (including a top up insurance for COVID).

● Free Access to Online learning libraries such as O'reilly or equivalent

Location

Remote - work from anywhere.

Hello,

Are you looking for placements?

If yes, we at Skill Academy (Testbook) have a very unique placement guidance program, that too COMPLETELY FREE!!!

All you have to do is just fill out the below google form, and clear a screening interview. Some of the features of Placement Guidance Program will be:
- Soft Skills Training
- Resume & Profile Building
- Interview Preparation (Technical & Non Technical)
- Unlimited interviews with hiring partners.


Do check out Skill Academy by Testbook: https://testbook.com/skill-academy" target="_blank">https://testbook.com/skill-academy

• Designing and developing high-volume, low-latency applications for mission-critical systems and delivering high-availability and performance.
• Contributing in all phases of the development lifecycle.
• Writing well designed, testable, efficient code.