Full Stack MERN Developer

Job Title: Tech Lead – Full Stack

Location: MG Road, Bangalore

Work Mode: Hybrid

Interview Mode: Virtual

Experience Required: 7–12 Years

Role Overview

We are looking for a Tech Lead – Full Stack with 7 to 12 years of experience in developing scalable SaaS products using Java, Spring Boot, and JavaScript frameworks. The ideal candidate has hands-on experience with microservices architecture, performance optimization, and cloud-native development, and is passionate about mentoring teams and driving engineering best practices.

Key Skills & Expertise

• Proficient in building scalable SaaS products with a focus on microservices architecture.
• Technologies: Java (Mandatory), Spring Boot, ReactJS or any other JavaScript framework.
• Strong experience in designing RESTful APIs and using mocking frameworks.
• Skilled in profiling services and debugging performance issues.
• Knowledge of Docker and Kubernetes for containerization.
• Familiar with data integration tools such as Pentaho Kettle or Apache Nifi.
• Ability to influence technical decision-making, with a strong focus on automation and security best practices.

What You Will Do

• Design, implement, test, and deploy both front-end and back-end components of the product.
• Build and deliver highly scalable services using Spring Boot.
• Develop frameworks and accelerators to speed up development.
• Establish and enforce engineering best practices.
• Create and review design artifacts using UML for team-wide implementation.
• Mentor and guide product engineers within the team.
• Ensure on-time delivery of user stories planned for sprints.
• Engage in all stages of the product development lifecycle – from planning and design to implementation and testing in multi-cloud environments.
• Deliver robust, quality-focused technical solutions to business problems.
• Work alongside a talented team solving complex technical challenges in building large-scale SaaS products.
• Contribute from the ground up to the architecture and modularization of the product for long-term scalability and maintainability.
• Share knowledge and expertise by writing blogs, articles, and whitepapers.

 Technical Requirements

• Design and implement microservices architectures using Java and Spring Boot.
• Create, manage, and secure RESTful APIs.
• Collaborate with cross-functional teams in an Agile setting to ensure high-quality delivery.
• Mentor and support junior developers on the team.
• Experience with cloud platforms such as Azure or GCP, and orchestration tools like Docker and Kubernetes.
• Strong database skills in PostgreSQL.
• Exposure to:
• API Gateway
• Hibernate & JPA
• Transaction Management
• ACID Properties
• Multithreading & Context Switching
• Healthcare domain experience is a plus.

Job Details

- Job Title: Software Developer (Python, React/Vue)

- Industry: Technology

- Experience Required: 2-4 years

- Working Days: 5 days/week

- Job Location: Remote working

- CTC Range: Best in Industry

Review Criteria

• Strong Full stack/Backend engineer profile
• 2+ years of hands-on experience as a full stack developer (backend-heavy)
• (Backend Skills): Must have 1.5+ strong experience in Python, building REST APIs, and microservices-based architectures
• (Frontend Skills): Must have hands-on experience with modern frontend frameworks (React or Vue) and JavaScript, HTML, and CSS
• (Database Skills): Must have solid experience working with relational and NoSQL databases such as MySQL, MongoDB, and Redis
• (Cloud & Infra): Must have hands-on experience with AWS services including EC2, ELB, AutoScaling, S3, RDS, CloudFront, and SNS
• (DevOps & Infra): Must have working experience with Linux environments, Apache, CI/CD pipelines, and application monitoring
• (CS Fundamentals): Must have strong fundamentals in Data Structures, Algorithms, OS concepts, and system design
• Product companies (B2B SaaS preferred)

Preferred

• Preferred (Location) - Mumbai
• Preferred (Skills): Candidates with strong backend or full-stack experience in other languages/frameworks are welcome if fundamentals are strong
• Preferred (Education): B.Tech from Tier 1, Tier 2 institutes

Role & Responsibilities

This is not just another dev job. You’ll help engineer the backbone of the world’s first AI Agentic manufacturing OS.

You will:

• Build and own features end-to-end — from design → deployment → scale.
• Architect scalable, loosely coupled systems powering AI-native workflows.
• Create robust integrations with 3rd-party systems.
• Push boundaries on reliability, performance, and automation.
• Write clean, tested, secure code → and continuously improve it.
• Collaborate directly with Founders & Snr engineers in a high-trust environment.

Our Tech Arsenal:

• We believe in always using the sharpest tools for the job. On that end we always try to remain tech agnostic and leave it up to discussion on what tools to use to get the problem solved in the most robust and quick way.
• That being said, our bright team of engineers have already constructed a formidable arsenal of tools which helps us fortify our defense and always play on the offensive. Take a look at the Tech Stack we already use.

Title

Full Stack MERN/ MEAN Tech Lead

Location

Bangalore

About the company

With over a decade of experience, we specialize in crafting bespoke integration solutions and empowering businesses across the globe with a combined approach to emerging technology. We use cutting edge enterprise platforms - Microsoft, Salesforce, SAP and more Since our establishment in 2004, with our headquarters located in Tampa, USA, eCosmos has been extending global reach and domestic support to a diverse range of organizations, from start-ups to Fortune 500 companies

. Job Summary:

The Lead Developer provides technical expertise which requires a working knowledge of the technical infrastructure underpinning the applications. Plans, consults, and coordinates complex project assignments in the design, development and implementation of applications software. Works as part of a service or project team to implement complex technical solutions that meet business requirements. Responsible for contributing to the planning of the work programs and the review, development, and modification of best practices and technical solutions. Provides supervision to a team of Developers

. What success looks like in this role:

• You will lead a team of 5-10 developers building web apps with React, Node.js, Express and MongoDB, and mobile apps with React Native.

• Architect scalable and high-performance web and mobile apps using proven JavaScript stacks like MERN and MEAN

• Establish best practices for web and mobile development, code quality, testing, and CI/CD

• Proficiency in TypeScript is required to develop and maintain the front-end and back-end of our web applications.

• Plan sprints, assign tasks, and oversee code reviews, testing, and releases

• Troubleshoot and debug applications across the stack

• Manage technical debt and spearhead migrations to new libraries/frameworks when needed

• Hire and mentor developers and promote an engineering culture of learning and excellence.

Skills Required:

• Excellent communication skills, both written and oral.

• Quick problem-solving skills with exceptional aptitude and reasoning. • Good orator, presenter with influencing skills to manage and negotiate complex conflicting resolutions.

• Ability to frame ideas in words to provide a perspective and outcome from analyzing them.

• Experience in leading, managing, mentoring a team of junior developers.

You will be successful in this role if you have:

: • Bachelor's in engineering (B.E or BTech.), MCA.

• 5+ years' experience leading web and/or mobile engineering teams

• Deep expertise with JavaScript, Node.js, React, React Native, and MongoDB • Experience building web apps with MERN or similar stacks • Experience building mobile apps with React Native or similar frameworks

• Excellent verbal and written communication skills

• Comfortable with Agile methodologies like Scrum and Kanban

• Strong leadership skills and commitment to building a world-class engineering team

Compensation & Benefits:

For the right candidate, e-Cosmos is ready to provide an extremely competitive salary and added incentive bonus potential

. e-Cosmos provides an attractive and complete benefits package:

✓ Accidental Death & Dismemberment Insurance

✓ Training and certification assistance

✓ Employee referral bonus program

✓ Vertical and Lateral increments

ETHICS COMPLIANCE:

: e-Cosmos is firmly committed to conducting business in compliance with the letter and spirit of the law and other accepted standards of business conduct as reflected in the company's policies.

Full stack developer

Salary: 6-9 LPA

Location: Mumbai

About ZenOnco.io:

https://zenonco.io/">ZenOnco.io is the world’s first integrative oncology healthtech platform. At ZenOnco.io, we aim to extend life and improve the quality of life for cancer patients through integrative oncology treatment, which covers both medical treatment as well as complementary treatment (Nutrition, emotional wellness, fitness, and community support).

To provide the best medical treatment options to cancer patients, we have partnered with 50+ hospitals across India, and cover 1,000+ oncologists. We also provide patients access to a full range of diagnostic tests that are required to arrive at the most effective cancer treatment.

We heavily deploy technology in our operations, and have recently launched the world’s first Integrative Oncology Preliminary Assessment Report tool (ZIOPAR) to guide cancer patients free of cost on the possible treatment options based on their cancer profile, symptoms and other conditions.

We believe in innovation, dedication and commitment. While we have the thrill to seek out and capture the world, we are looking for a responsible partner in you. If you feel you can become one of us, apply today.

Company introduction video: https://bit.ly/ZenOncoIOintroduction">https://bit.ly/ZenOncoIOintroduction

Roles and responsibilities:

• Working on WordPress and CodeIgniter, involving CSS, PHP, JS, jQuery, SQL 
• Designing and implementing new features and functionality
• Establishing and guiding the website’s architecture
• Ensuring high-performance and availability, and managing all technical aspects of the CMS
• Helping formulate an effective, responsive design and turning it into a working theme and plugin
• Convert comprehensive layout and wireframes into working HTML pages
• On-page SEO

Education and Experience:

• Graduate or Post Graduate (Preferred)
• Experience: 3+ years
• Ability to work on WordPress and CodeIgniter
• Good understanding of front-end technologies, including HTML5, CSS3, JavaScript, jQuery
• Experience building user interfaces for websites and/or web applications
• Experience designing and developing responsive design websites
• Ability to understand CSS changes to ensure consistent style across platforms and browsers
• Strong understanding of PHP back-end development

You will get:

• Some of the best people to work with (founders are IIM graduates and investment banker)
• An opportunity to make a difference in the lives of millions of cancer patients across the globe
• A great learning environment and opportunity to grow

Your Day-to-Day Tasks Include: 

Ship product, independently and/or as part of a small team 

Collaborate with other engineers to build new features 

Debugging using dev consoles, firebug, firecookie, or any of your favorite tools. 

Help troubleshoot production issues and resolve critical customer facing issues Provide top-notch support to our customers 

You Should Have: 

A strong body of prior front end work, including significant projects written in JavaScript. Mastery of JavaScript; expertise in most of the following technologies, and proficiency in all of them: jQuery, CSS, HTML5, AJAX. 

Deep understanding of closures, prototypal inheritance, DOM manipulation, HTTP, web security, cross browser compatibility challenges. 

Strong Experience with NodeJS and Express JS. 

Hands-on with a code management system like GIT, SVN. 

Experience with NoSQL databases, preferably CouchDB or CouchBase. 

Good to have: Experience with ReactJS and Typescript. 

Web Developer:

Company Name: 9Roads

Job Location: Khairatabad, Hyderabad

Date of joining: Immediate

Salary Range: INR 16,000 to 20,000

- Immediate Requirement:

   Ideal candidate possesses expertise in making UI changes, Adding new features on web page, Mobile App.

   Prior work experience is not mandatory, expertise in the below technologies is mandatory.

- Must have: CSS, AJAX, JQuery, PHP, IONIC framework.

- Good to have: Node Js, AWS.

- Able to work in fast paced environment.

- Resource should be able to work independently and deliver from Day1.

- Learning curve - You will get an opportunity to pick skills in AWS, Node Js and Python.