Java full stack developer

Location: Mumbai

Experience Required: 2+ Years

Job Type: Full-Time

Notice Period: Immediate Joiners

About the Role

We are seeking a skilled and experienced Full Stack (MERN) Developer to join our product engineering team. The ideal candidate must have experience working in a product-based software development company and should have hands-on involvement in e-commerce platform projects.

Mandatory Criteria

• Candidate must be currently working or have prior experience in a product-based software development company
• Candidate must have worked on at least one e-commerce platform project (end-to-end involvement)

Key Responsibilities

• Develop and maintain scalable web applications using MongoDB, Express.js, React.js, and Node.js
• Translate UI/UX designs into high-quality front-end code
• Build and integrate RESTful APIs
• Ensure performance, quality, and responsiveness of applications
• Participate in design discussions, code reviews, and contribute to technical documentation
• Work in a collaborative, agile development environment

Required Skills

• Strong proficiency in JavaScript, React.js, Node.js, and Express.js
• Hands-on experience with MongoDB or other NoSQL databases
• Solid understanding of RESTful APIs and architectural patterns
• Knowledge of version control systems like Git
• Understanding of CI/CD and cloud-based deployment practices
• Good grasp of performance optimization, caching, and security practices

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.

Job Title: Full Stack Developer - SDE 2

Responsibilities

• Lead design and delivery of complex end-to-end features across frontend, backend, and data layers.
• Make strategic architectural decisions on frameworks, datastores, and performance patterns.
• Review and approve pull requests, enforcing clean-code guidelines, SOLID principles, and design patterns.
• Build and maintain shared UI component libraries and backend service frameworks for team reuse.
• Identify and eliminate performance bottlenecks in both browser rendering and server throughput.
• Instrument services with metrics and logging, driving SLIs, SLAs, and observability.
• Define and enforce comprehensive testing strategies: unit, integration, and end-to-end.
• Own CI/CD pipelines, automating builds, deployments, and rollback procedures.
• Ensure OWASP Top-10 mitigations, WCAG accessibility, and SEO best practices.
• Partner with Product, UX, and Ops to translate business objectives into technical roadmaps.
• Facilitate sprint planning, estimation, and retrospectives for predictable deliveries.
• Mentor and guide SDE-1s and interns; participate in hiring.

Qualifications & Skills

• 3–5 years building production Full stack applications end-to-end with measurable impact.
• Proven leadership in Agile/Scrum environments with a passion for continuous learning.
• Deep expertise in React (or Angular/Vue) with TypeScript and modern CSS methodologies.
• Proficient in Node.js (Express/NestJS) or Python (Django/Flask/FastAPI) or Java (Spring Boot).
• Expert in designing RESTful and GraphQL APIs and scalable database schemas.
• Knowledge of MySQL/PostgreSQL indexing, NoSQL (ElasticSearch/DynamoDB), and caching (Redis).
• Knowledge of Containerization (Docker) and commonly used AWS services such as lambda, ec2, s3, apigateway etc.
• Skilled in unit/integration (Jest, pytest) and E2E testing (Cypress, Playwright).
• Frontend profiling (Lighthouse) and backend tracing for performance tuning.
• Secure coding: OAuth2/JWT, XSS/CSRF protection, and familiarity with compliance regimes.
• Strong communicator able to convey technical trade-offs to non-technical stakeholders.
• Experience in reviewing pull requests and providing constructive feedback to the team.

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

About Us:

We’re looking to hire someone to help scale Machine Learning and NLP efforts at Episource. You’ll work with the team that develops the models powering Episource’s product focused on NLP driven medical coding. Some of the problems include improving our ICD code recommendations , clinical named entity recognition and information extraction from clinical notes.

This is a role for highly technical engineers who combine outstanding oral and written communication skills, and the ability to code up prototypes and productionalize using a large range of tools, frameworks, and languages. Most importantly they need to have the ability to autonomously plan and organize their work assignments based on high-level team goals.

What you will do at Episource:

You will be responsible for setting an agenda to develop and build machine learning platforms that positively impact the business, working with partners across the company including operations and engineering. You will be working closely with the machine learning team to design and implement back end components and services. You will be evaluating new technologies, enhancing the applications, and providing continuous improvements to produce high quality software.

Required Skills:

• Strong background in analytics, BI or data science deployments is preferable with 2-6 years of experience

• Knowledge of React/Vue, HTML, CSS

• Experience building and consuming APIs 

• Experience with MySQL, MongoDB and MEAN stack 

• Knowledge and experience with serverless architectures is a plus

• Hands-on experience with AWS or any major cloud service provider for deploying solutions

• Experience with Docker or Kubernetes in deploying solutions on the cloud

• Hands-on experience Python, Apache Spark & Big Data platforms to manipulate large-scale structured and unstructured datasets.

• Fluent in data fundamentals: SQL, data manipulation using a procedural language, statistics, experimentation, and modeling

We are looking for a resource with 2-4 years of experience in Full stack with Python and Vue.js with ML/AI skills. As a developer, you’ll gain valuable management experience delegating responsibilities to the rest of your team and reviewing the work of junior developers.

Requirement:

• Bachelor’s Degree in Computer Science (good to have).
• 2+ years’ experience in web and software development
• Ability to work independently and multi-task effectively
• Demonstrated understanding of projects from the perspective of both client and business(preferably from cybersecurity domain).

Technical Skills required:

• Node Js,
• Vue.JS
• ML/AI
• Python
• Agile Development

Roles & Responsibilities:

• Develops software solutions by studying information needs, conferring with users, studying systems flow, data usage, and work processes; investigating problem areas; and following the software development lifecycle.
• Documents and demonstrates solutions by developing documentation, flowcharts, layouts, diagrams, charts, code comments, and clear code.
• Prepares and installs solutions by determining and designing system specifications, standards, and programming.
• Improves operations by conducting systems analysis and recommending changes in policies and procedures.
• Meeting deadlines.
• Accomplishes engineering and organization mission by completing related results as needed.
• Troubleshoot, debug and upgrade existing software

Job Type: Full-time

Salary: OPEN

Benefits:

• Flexible schedule
• Paid sick time

This is a fast filling role.

JOB DESCRIPTION

Full Stack Developer Responsibilities:

• 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.
• Seeing through a project from conception to finished product
• Meeting both technical and consumer needs.
• Staying abreast of developments in web applications and programming languages.

Requirements:

• Degree in computer science, I.T
• Strong organizational and project management skills.
• Proficiency with fundamental front-end languages such as HTML, CSS, JavaScript, WordPress
• Proficiency with PHP
• Familiarity with database technology such as MySQL, Oracle, and MongoDB.
• Excellent verbal communication skills.
• Good problem-solving skills.
• Attention to detail.

About Company:

ESDA is a Software Development firm with a mission of providing innovative services and a vision of serving clients across the globe. It is a customer-centric Information Technology Company that specializes in Business Application Development. ESDA’s offerings are highly customizable and scalable. It also provides Web Development services and believes in providing 360-degree support to its clients. ESDA provides Web Development services like Web Designing, App Development, Digital Marketing, Graphic Designing, Hosting, Time and Material, and Gap Analysis Consultancy apart from these services, it is also working towards launching applications/software for the online market as its products.

As a Software Engineer, you will build and scale Clockwork, creating an engaging experience for our users. As one of the first few engineers, you will work on 0 to 1 type projects, partnering closely with our product, design and business teams to build the future of Clockwork.

• Write, test and deploy code to enhance our product
• Design software systems for new features
• Diagnose bugs and system bottlenecks as our product scales
• Work closely with product and design to define our roadmap

• 1+ years of professional experience as a software engineer
• Bachelor’s and/or Master’s degree, preferably in CS, or equivalent experience
• Solid engineering, coding and problem solving skills
• Strong product/business sense
• Excited about working in a fast-paced, dynamic startup environment

Clockwork encourages applications from people of all races, religions, national origins, genders, sexual orientations, gender identities, gender expressions and ages, as well as veterans and individuals with disabilities.

Graphene is an award-winning AI company, developing customized insights and data solutions for corporate clients. With a focus on healthcare, consumer goods and financial services, our proprietary AI platform is disrupting market research with an approach that allows us to get into the mind of customers to a degree unprecedented in traditional market research.

Graphene was founded by corporate leaders from Microsoft and P&G and works closely with the Singapore Government & universities in creating cutting edge technology. We are gaining traction with many Fortune 500 companies globally.

Graphene has a 6-year track record of delivering financially sustainable growth and is one of the few start-ups which are self-funded, yet profitable and debt free.

We already have a strong bench strength of leaders in place. Now, we are looking to groom more talents for our expansion into the US. Join us and take both our growths to the next level!

• Primary Purpose: As part of a highly productive and creative AI (NLP) analytics team, design and develop web applications and SPA’s i.e., UI/UX, and underlying backend – API’s, security framework, scalable microservices etc.
• Daily Grind: Interface with the product manager, project managers, and the engineering team to achieve sprint goals on the product roadmap.
• Career Progression: Senior Full Stack Engineer, Technical Architect

• Work in a product-development team capable of independently authoring software products.
• Guide junior programmers, set up the architecture, and follow modular development approaches.
• Design and develop code which is well documented.
• Optimize of the application for maximum speed and scalability
• Adhere to the best Information security and Devops practices.
• Research and develop new approaches to problems.
• Design and implement schemas and databases with respect to the AI application
• Cross-pollinated with other teams.

HARD AND SOFT SKILLS

Must Have

• Problem-solving abilities
• Extremely strong programming background – data structures and algorithm
• Angular/React, Strong UI/UX skills
• Very strong python background, TDD, CI/CD,
• Software design skills i.e., OOPs, design patterns
• SQL, NoSQL – design of schemas and databases
• Microservices architecture, Cloud native apps

Good to Have

• Enterprise Design Patterns
• Distributed Systems
• Exposure to ML and Data Science
• Docker, Kubernetes, AKS, Kafka, Graph databases

• IIT/NIT Graduates Preferred
• B.E/B.Tech with 1-2 years of experience in Ruby on Rails
• Hands on experience with using libraries such as RSpec, Beanstalkd, Faye and   background processing.
• Good knowledge of at least one of the Javascript frameworks like EmberJS, AngularJS
• Have a background in functional composition of web pages using HTML / CSS, and  turning a wireframe design into a well-formatted, user-friendly responsive web page
• Follow best practices like test-driven development, continuous integration, Agile    methodology, refactoring and code standards
• Proficient understanding of code versioning tools e.g. Git, Mercurial or SVN
• Good knowledge of schema less databases such as Elastic search, redis as well as  Relational Databases such as PostgreSQL
• Excellent problem solving skills and bringing in new, innovative ideas to the table to  make the platform more productive
• Hands-on experience on deployment and maintenance of server (knowledge about AWS  and performance monitoring tools like NewRelic / CloudWatch will be a great plus)
• Should be committed to the job and the growth opportunity in a startup
• Should enjoy working as part of a team
• Should be  proactive, self-driven, and able to thrive in a fast-moving startup environment 
• Should communicate fluently and effectively in English, internally and with external partners