Java Fullstack developer

Full Stack Developer responsible for managing back-end services and the interchange of data between the server and the users.

Your primary focus will be the development of all server side logic, definition and maintenance of the central database, and ensuring high performance and responsiveness to requests from the front-end. You will also be responsible for integrating the frontend elements built by your co-workers into the application. Therefore, a basic understanding of frontend technologies is necessary as well.

We are looking to recruit a candidate for a role that will require:

• Create and consume restful APIs
• Design, develop, and maintain internal and external applications
• Build efficient, testable, and reusable modules
• Write high quality, structured application/interface code and documentation
• Identify solutions through research and collaboration that resolves the root of problems as they arise
• Define functional and technical requirements for application software to develop skills and knowledge
• Troubleshoot, test and maintain the core product software and databases to ensure strong optimization and functionality
• Contribute in all phases of the development lifecycle

Requirement

∙ Proficient in Node.JS and ReactJS development stack

∙ 2+ years’ experience designing, querying, and updating databases in MySQL/nosql

∙ Basic understanding of web technologies including HTML, CSS, JavaScript, AJAX etc.

∙ Passion for best design and coding practices and a desire to develop new bold ideas

∙ Good to have knowledge of AWS, Redis, ElasticSearch

At Intain, we fuse blockchain, analytics, and AI to power next-gen platforms for structured finance.

Join us to build on the cutting edge—smart-contract rails, real-time analytics, and AI-assisted workflows—all in one product stack.

What You’ll Do

• Own features end-to-end: design → code → test → deploy → iterate.
• Build modern web apps (React.js / Node.js, REST/GraphQL) that move real money.
• Automate quality with tests, CI/CD, and cloud (Azure).
• Use AI dev assistants to hit our “1 dev = 4 devs” productivity bar.

Our Stack

React.js · Node.js · Go · Snowflake · Azure · Kubernetes · Git Workflows · Postgres/MongoDB · Solidity

You Bring

• Proven full-stack delivery in JS/TS (React + Node).
• Habit of shipping clean, production-ready code—fast.
• Comfort treating AI coding tools as teammates, not toys.
• Ownership mindset: measured by what you deliver, not tenure.
• Blockchain dev experience = bonus (not required).

Why Intain?

• Openings for Tech Lead and Senior Engineer — core seats on a small, high-output team.
• Compensation & ESOPs tied directly to shipped value.
• Chance to redefine capital markets with tech that actually ships.

📍 About Us

Intain is transforming structured finance using AI, blockchain, and real-time analytics to streamline transactions, improve transparency, and scale impact.

Job Overview:

We are looking for a Java React Developer to join our development team. The ideal candidate will have experience working with Java (Spring Boot) for backend development and React.js for frontend applications. You will be responsible for building scalable web applications, integrating RESTful APIs, and ensuring a seamless user experience.

Key Responsibilities:

• Develop and maintain web applications using Java (Spring Boot) for backend and React.js for frontend.
• Design and implement RESTful APIs for communication between frontend and backend.
• Optimize applications for speed, scalability, and security.
• Work with databases such as MySQL, PostgreSQL, or MongoDB.
• Write clean, maintainable, and efficient code following best practices.
• Collaborate with cross-functional teams, including designers, product managers, and other developers.
• Perform unit testing, integration testing, and debugging.
• Participate in Agile methodologies like Scrum and Sprint planning.
• Deploy applications using CI/CD pipelines and cloud platforms (AWS, Azure, or Google Cloud).

Required Skills:

• Java & Spring Boot (Core Java, REST APIs, Microservices, JPA, Hibernate).
• React.js (Hooks, Redux, Context API, Functional Components).
• Experience with HTML, CSS, JavaScript, and TypeScript.
• Strong knowledge of RESTful APIs and Web Services.
• Experience with databases like MySQL, PostgreSQL, MongoDB.
• Understanding of JWT/OAuth for authentication.
• Familiarity with CI/CD tools (Jenkins, GitHub Actions, GitLab CI/CD).
• Knowledge of Docker and Kubernetes is a plus.
• Experience with unit testing frameworks (JUnit, Jest, Mocha) is a plus.

Full Stack Java Software Engineer 

Remote

Experience: 5+yrs

Must have Skills :

Java,AI/ML

kotlin,scala

PyCharm, VS Code

 IntelliJ & Web Consoles 

We are a software development company. We have primarily worked with enterprises and startups who often wants to build a product from scratch. Our mission is to build software with solid foundations, addressing the primary concerns of startup founders when working with agencies. We believe in prioritizing maintainability, simplicity, and the Open-Closed Principle for long-term value.

We are seeking a passionate and experienced Senior Software Engineer to join our team and play a key role in building software with solid engineering foundations. You will be involved in all stages of the development process, from identifying business entities and defining their behaviors, to implementing clean and maintainable code using object-oriented programming principles.

Responsibilities:

1. Harness your React/Python/TypeScript mastery to craft high-performing applications that delight our global audience.

2. Champion automated tests like a knight in shining armor. If your code was a ship, your tests would be the lighthouse guiding it to safety.

3. Employ your object-oriented programming prowess to sculpt code that's as efficient as it is elegant.

4. Debug with the precision of a Swiss watchmaker. We believe the devil is in the details, and your keen eye will keep those pesky bugs at bay.

5. Push your changes to production and proactively monitor product to ensure value is delivered.

6. Help your peers by reviewing their PRs and design documents.

7. Help the company by recruiting amazing team members, like yourself.

About You:

1. You write Javascript using Typescript and use Object Oriented Programming paradigms to build software.

2. You have shipped products to production using Python, React and other relevant technologies.

3. You don't ship code without writing automated test coverage.

4. You practice "broken window theory" during software development on day to day basis.

5. You are good at communication and bring clarity to communication.

6. B.Tech in CS/EE/ECE is a plus.

Perks and Benefits:

1. Work remotely, anywhere in the world! Ditch the commute, embrace flexibility.

2. Comprehensive health insurance - spouse, kids, parents (pre-conditions!), 24/7 remote doctors.

3. Generous PTO (12 paid, 6 sick) + national/regional holidays + paid parental leave.

4. Annual off-sites - fully funded team trips, work and fun combined!

5. Drive initiatives from scratch, solve real challenges, maximize your career value.

6. Supportive, results-oriented team. Learn, grow, be your best.

About Vyapar:

We are a technology and innovation company in the fintech space, delivering business accounting software to Micro, Small & Medium Enterprises (MSMEs). With more than 5 Million users across 140 countries, we are one of the fastest growing companies in this space. We take the complexity out of invoicing, inventory management & accounting, making it so simple, such that small businesses can spend less time on manual bookkeeping and spend more time focusing on areas of business that matter.

Role Summary:

Vyapar's Engineering team builds the technology platform that eases and digitizes our customers' bookkeeping and enables the transition of cumbersome accounting data from general bookkeeping to a digitized always available resource.

The Javascript engineer will be responsible for the developing features in Vyapar application. Strong understanding of HTML, CSS, JavaScript, Responsive design, JQuery, React, database etc. concepts is critical

Key Responsibilities:

• Translate designs and wireframes into high-quality code.
• Design, build and maintain high performance, reusable, and reliable code.
• Ensure the best possible performance, quality, and responsiveness of the application.
• Use of complex algorithm to build the business requirements.
• Help maintain code quality, organization, and automatization.
• Ability to understand business requirements and translate them into technical requirements

Desired Skills And Requirements

Must have

• Strong JavaScript
• HTML, CSS 
• React/Angular/JQuery/Vue
• Problem-solving skills, and Data Structures.
• Strong knowledge of SQL database or RDBMS.

Good to have

• Familiarity with RESTful APIs to connect applications to back-end services.
• Strong knowledge of Web UI design principles, patterns, and best practices.
• Experience with offline storage and performance tuning.
• Experience and understanding of database concepts and sql queries.
• Familiarity with cloud message APIs and push notifications.
• Familiarity with continuous integration.
• A knack for benchmarking and optimization.

Experience:

• Minimum 4 years of experience in JavaScript
• Minimum 3 years of experience in HTML, CSS
• Minimum 3 years of experience in SQL/ RDBMS.

Education:

• A full-time B.E/ B.Tech Degree from a recognized university.

• Developing front end website architecture.

• Designing user interactions on web pages.

• Developing back end website applications.

• Creating servers and databases for functionality.

• Ensuring cross-platform optimization for mobile phones.

• Ensuring responsiveness of applications.

• Working alongside graphic designers for web design features.

• Seeing through a project from conception to finished product.

• Designing and developing APIs.

• Meeting both technical and consumer needs.

• Staying abreast of developments in web applications and programming languages

• Demonstrated experience as a software engineer, with at least 3-5 years’ experience in technology roles
• Experience working on complex systems and cloud architectures, preferably in a B2B or enterprise context
• Experience with the Java programming language and frameworks such as Spring & SpringBoot
• Experience with front-end Javascript frameworks such as ReactJS
• Experience working in databases and SQL queries for high-performance 
• Experience and keen understanding of the value of working in agile teams
• A “quality-first” mindset, with experience working in continuous integration environments
• Highly effective at communicating
• Respect for other team members and a highly collaborative approach to working and learning together

About the Position

We are looking for a passionate and experienced software engineer to join our team at Mumbai. In this role, your primary responsibilities will be to take ownership of developing user facing applications and features in an agile manner. You will design and implement scalable and performant front-end solutions from scratch, while also taking a hard look at the existing ones.

What you will do at QI?

• Design, develop and deliver new user-facing apps and feature and improve existing ones
• Take ownership of product(s), and contribute to dev cycles and sprints planning
• Ensure technical feasibility of UI/UX design, share inputs with other teams including product, design and QA
• Optimize applications for performance, user experience and SEO
• Build reusable code and libraries. Contribute to open source projects.
• Stay up-to-date with new technologies with an eye of constantly adapting and improving our systems and methods.

Basic Job requirements

• 2 years + work experience in a similar role
• Strong experience in HTML5, CSS, DOM and front-end tooling ecosystem (Gulp,Grunt, Webpack)
• Excellent concepts and command over JavaScript
• Strong concepts and commercial experience in Vue.js
• Solid foundation in software development ( algorithm design, data structure, SDLC)
• Good concepts of unit testing and automation testing for UI components
• Good understanding of web app performance including Google Core Web Vitals metrics.

Location - Remote 

Good to have

• Basic knowledge of REST API and relational databases
• Basic understanding of browser internals
• Familiarity with web components and shadow DOM
• Exposure to progressive web app design.

About QuantInsti®

QuantInsti® was started in 2010, by the founders from iRage – a leading quant and algo trading firm in India.  From its early days focused on bridging the industry knowledge gap in the field of high-frequency trading, we have come a long way in the last decade. Today, we have a user base from 180+ countries with a growth rate much over 50% year-on-year.

At QuantInsti®, we swear by our goal of revolutionizing the way people approach the financial markets by empowering individuals and institutions with bleeding edge education and technologies. We offer high quality https://www.quantinsti.com/epat">learning experience and best-in-class https://quantra.quantinsti.com/">courses geared towards a global audience in quantitative trading and investing. Our in-house developed technology aims to bring institutional grade tools and https://quantra-blueshift.quantinsti.com/">platforms to democratize systematic and quantitative trading.

We achieve this by putting technology at the core of our business. We have a complex ecosystem of microservices and applications deployed over a fully cloud-based infrastructure. Our tech stack includes Node.js, Vue.js, Python and Docker. The team is driven by user experience, with strong focus on delivering scalable software solutions to complex and evolving business goals.

Why you should join us?

At QuantInsti, we work at the cutting edge of FinTech and EdTech offerings. We work with the newest technologies with a goal of delivering best experience to our users in a scalable manner, with high-performance and availability. If you love to be challenged intellectually, rest assured we have plenty of them for you. We follow an open and free work culture, where you are encouraged to ask questions, learn and teach. We offer a fast-paced environment where you take ownership of what you design and deliver. If you are looking for a move where you will find a reason to wake up every morning and rush to work, come join us.