MERN Stack developer

Job Summary:

We are looking for a highly experienced Senior Full Stack Developer / Technical Lead with strong expertise in .NET technologies and React. The ideal candidate should be comfortable handling multiple projects simultaneously, possess excellent communication skills, and be capable of leading and mentoring a team while delivering scalable, high-quality solutions.

Key Responsibilities:

·       Design, develop, and maintain scalable web applications using .NET (C#, ASP.NET Core, Web API) and React

·       Lead end-to-end project execution across multiple parallel projects

·       Handle project switching efficiently with minimal ramp-up time

·       Participate in architecture, design, and technical decision-making

·       Manage, mentor, and guide a team of developers

·       Conduct code reviews, ensure best practices, and maintain coding standards

·       Collaborate with Product Owners, QA, UI/UX, and Stakeholders

·       Ensure performance optimization, security, and application stability

·       Take ownership of delivery timelines and technical quality

·       Support production issues and provide root cause analysis

Required Technical Skills:

·       Strong hands-on experience in:

o  C#, ASP.NET, ASP.NET Core, Web API

o  React.js, Redux / Context API

o  HTML, CSS, JavaScript, TypeScript

·       Experience with RESTful APIs, Microservices (preferred)

·       Database expertise: SQL Server (mandatory), NoSQL (added advantage)

·       Experience with Entity Framework / Dapper

·       Familiarity with Azure / AWS (preferred)

·       Knowledge of CI/CD pipelines, Git, DevOps practices

·       Understanding of Agile / Scrum methodologies

Leadership & Soft Skills:

·       Excellent verbal and written communication skills

·       Proven experience in team handling and mentoring

·       Strong problem-solving and decision-making abilities

·       Ability to manage multiple stakeholders and priorities

·       Ownership mindset and accountability-driven approach

Nice to Have:

·       Experience working in product-based or fast-paced service environments

·       Exposure to high-availability and scalable systems

·       Client-facing experience

Role Overview:

We are looking for a detail-oriented and experienced Full Stack Developer to join our growing team in India. This is a remote, full-time opportunity to work on high-impact

projects using modern web technologies. While specific project discovery is underway, we’re looking to onboard developers with a solid foundation across front-end and back-end technologies who are comfortable working in agile environments. You will be collaborating directly with a US-based client and must be available to work the UK shift.

Key Responsibilities:

·        Develop and maintain scalable and performant full-stack web applications

·        Collaborate with UI/UX designers and backend teams to implement responsive, user- friendly interfaces

·        Write unit tests using Jest and ensure code quality and reliability

·        Develop RESTful APIs using Node.js and NestJS framework

·        Utilize Docker Compose for local development and deployment

·        Manage and optimize MySQL databases, including views, stored procedures, and performance tuning

·        Implement access control mechanisms using identity providers like Okta or Auth0

·        Document APIs using tools like SwaggerUI and Postman

·        Participate in sprint planning, code reviews, and team stand-ups via JIRA and Confluence

·        Use Git for version control and manage merge requests and branches effectively

·        Integrate application loggers for monitoring and diagnostics

Must-Have Skills:

·        Proficiency in HTML, CSS, SASS/SCSS

·        Strong hands-on experience with Angular 18 or higher

·        Familiarity with Angular Material or similar UI component libraries

·        Experience with Node.js and NestJS 10+

·        Working knowledge of Docker Compose

·        Strong SQL skills and experience with MySQL

·        Understanding of authentication and authorization best practices with Okta, Auth0, etc.

·        Comfort using Postman, SwaggerUI, Git, and logging tools

·        Familiarity with agile development processes and using JIRA and Confluence

Nice to Have:

·        Experience with form builders like Formsite or FormSort

·        Knowledge of data encryption best practices

·        Prior experience in the public health or POSIT (Public Health Informatics) domain

Qualifications:

·        Bachelor’s or Master’s degree in Computer Science, Engineering, or a related field

·        3–6 years of experience in full-stack development

·        Strong communication skills and the ability to work independently in a remote team environment

Availability to work UK shift hours to ensure overlap with the US-based client

Equal Opportunity Statement:

BigRio is an equal-opportunity employer. We prohibit discrimination and harassment of any kind based on race, religion, national origin, sex, sexual orientation, gender identity, age, pregnancy, status as a qualified individual with disability, protected veteran status, or other protected characteristic as outlined by federal, state, or local laws. BigRio makes hiring decisions based solely on qualifications, merit, and business needs at the time. All qualified applicants will receive equal consideration for employment.

Knowmax is a global B2B SaaS platform built to elevate customer experience through intelligent knowledge management. We enable customer-facing teams to access the right answers instantly—across contact centers, digital channels, and field support—driving consistency, efficiency, and satisfaction at scale.

Preferred Profile: Candidates with prior experience working on product development in a startup environment.

Core Backend Skills

• Node.js Mastery
• Deep understanding of event loop, async patterns (Promises, async/await).
• Experience with frameworks like Express, NestJS, Fastify.
• Writing scalable APIs (REST), middleware, and modular code.
• Database Expertise
• SQL/Postgres – schema design, complex joins, indexing, query optimization.
• Knowledge of transactions, isolation levels, and migrations.
• Basic familiarity with ORMs (Sequelize/TypeORM/Prisma) and raw queries.
• Architecture & Design
• Ability to design backend systems
• Good understanding of API versioning, caching strategies (Redis).

Frontend (Average Skill Expected)

• Comfortable with React (or Nuxt/Vue) for building and maintaining UIs.
• Basic understanding of state management (Redux, Vuex, Pinia).
• Familiarity with component-based architecture and UI libraries (Material UI, Tailwind).
• Can debug UI issues but not expected to be a design/UX expert.

Other Expectations

• Code Quality – Writing unit tests (Jest/Mocha), code reviews, and maintaining clean architecture.
• Problem-Solving – Strong data structures and algorithmic skills (not as intense as SD3/Architect).
• Collaboration – Able to mentor juniors, break down tasks, and work closely with product and QA.
• Performance & Security – Understands security best practices (OWASP) and performance profiling.

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

Delivery Solutions is a Retail eCommerce OXM Platform that provides retailers with out-of-the-box solutions to power Same-Day Delivery, Curbside, In-Store Pickup, Shipping, and Post Purchase experiences. We are trusted with some of the biggest names in multiple verticals of retail like Sephora, AT&T, Footlocker, Michael's, Office Depot, GameStop, Total Wine, Sally Beauty, Abercrombie & Fitch Co. Belk, Loblaw, Vineyard Vines etc.

Our SAAS-based solution is highly flexible and interacts seamlessly with E-commerce properties, OMS, WMS, and POS systems for a highly scalable experience and a delighted customer base.

Delivery Solutions is a wholly-owned subsidiary of UPS | We are a certified Great Places To Work Company

Role: Senior Software Engineer - MEAN Stack

Reports to: Team Lead

Division/Department: Product

Work Location: India - Remote / Pune

We are seeking highly skilled and experienced Senior Software Engineers to join our SaaS company. As a Senior Software Engineer, you will play a pivotal role in the development and enhancement of our cutting-edge software products. You will work closely with cross-functional teams to design, develop, and deploy scalable software solutions using the MEAN stack (MongoDB, Express.js, Angular, Node.js) and related technologies.

Responsibilities:

• Collaborate with product managers, designers, and other stakeholders to define software requirements and translate them into technical specifications.
• Design and develop robust and scalable software solutions using the MEAN stack and other relevant technologies.
• Take ownership of feature development and deliver high-quality code on time.
• Participate in code reviews to ensure code quality and adherence to coding standards.
• Troubleshoot and debug software issues, and identify and implement effective solutions.
• Collaborate with DevOps teams to ensure smooth deployment and operation of software applications.
• Stay up-to-date with the latest industry trends, tools, and technologies and make recommendations for process improvements.

Qualifications:

• Bachelor's degree in Computer Science, Software Engineering, or a related field. (Master's degree preferred)
• 4+ years of hands-on experience in MEAN stack development, including MongoDB, Express.js, Angular (version 2 or higher), and Node.js.
• Proven experience working in a product-based company, delivering software solutions to customers.
• Strong understanding of Agile methodologies and Agile development practices.
• Proficient in front-end technologies such as Angular, HTML, CSS, and responsive design principles.
• Solid understanding of back-end technologies including Node.js, RESTful APIs, and server-side frameworks.
• Experience with cloud platforms, specifically AWS, and familiarity with related services.
• Knowledge of JSON, Kibana, JIRA, and Jenkins is a plus.
• Strong problem-solving skills and the ability to work independently as well as in a team.
• Excellent communication and interpersonal skills, with the ability to effectively collaborate with cross-functional teams.

If you are a self-motivated individual with a passion for delivering high-quality software and want to work with a team that values creativity and innovation, then we encourage you to apply for this exciting opportunity. Join our team and be part of a dynamic environment where your expertise will make a significant impact on our software products. 

• Please submit your resume along with any relevant project portfolios or GitHub repositories, for consideration.

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.

What you will get:

1. To be a part of the Core-Team 💪
2. A Chunk of ESOPs 🚀
3. Creating High Impact by Solving a Problem at Large (No one in the World has a similar product) 💥
4. High Growth Work Environment ⚙️

What we are looking for:

1. An 'Exceptional Executioner' -> Leader -> Create an Impact & Value 💰
2. Ability to take Ownership of your work
3. Past experience in leading a team

Requirements:

1. Bachelor's degree or higher in Computer Science or in any related engineering discipline.
2. (2-4) years of experience in building scalable web applications.
3. Backend Maverick with proficiency in Java
4. Experience in requirement analysis, failure analysis, API design, distributed
5. Experience with React.js and modern JavaScript libraries and tooling.
6. consistency
7. Deep understanding of the "behind-the-scenes" of HTML rendering, CSS, and Javascript.
8. Ability to troubleshoot complex systems problems, debug, and find root causes.
9. Ability to effectively articulate and drive solutions to meet technical and business challenges
10. Excellent verbal and written communication skills