MERN STACK SENIOR DEVELOPER

Job Title: Full-Stack MERN Developer (5–8 Years Experience)

Location: Borivali, Mumbai (Onsite)

Experience: 6–8 Years

Joining: Immediate Joiners

Employment Type: Full-time

Job Overview

We are looking for an experienced Full-Stack MERN Developer to join our engineering team in Borivali, Mumbai. The ideal candidate should have strong hands-on experience building scalable web applications using React, Node.js, Express, and MongoDB, with a solid understanding of REST APIs, microservices architecture, performance optimization, and cloud infrastructure.

You will work on consumer-facing applications, handle large datasets, and contribute to building reliable, high-performance systems.

Key Responsibilities

• Design, develop, and maintain full-stack web applications using MERN stack
• Build scalable and secure RESTful APIs and backend services using Node.js & Express
• Develop reusable and high-performance React components with proper state management
• Implement microservices-based architecture and inter-service communication
• Optimize application performance at both frontend and backend levels
• Work with MongoDB for data modeling, indexing, and performance tuning
• Handle large datasets efficiently and ensure system reliability
• Implement logging, tracing, and monitoring for production-ready applications
• Collaborate with product, frontend, backend, and DevOps teams
• Write clean, maintainable, and well-documented code

Technical Requirements

Backend

• Strong hands-on experience with Node.js & Express.js
• Expertise in building REST APIs and backend business logic
• Strong understanding of async programming (Callbacks, Promises, Async/Await)
• Experience with microservices architecture
• Hands-on experience with MongoDB (Expert level)
• Working knowledge of PostgreSQL / MySQL
• Experience with Kafka or other message queue systems
• Familiarity with Bull / job schedulers

Frontend

• Strong experience with React.js
• Hands-on experience with state management (Redux, Context API, or similar)
• Good understanding of HTML, CSS, AJAX
• Experience with performance optimization techniques in React

Infrastructure & Cloud

• Experience with Docker and Kubernetes (K8s)
• Hands-on exposure to AWS services such as EC2, S3, ELB, AutoScaling, CloudFront
• Understanding of CI/CD pipelines is a plus

Core Computer Science

• Good understanding of Data Structures & Algorithms
• Solid knowledge of Operating Systems fundamentals

Good to Have

• Experience with Redis for caching
• Exposure to Vue.js
• Experience working on consumer-facing web or app products
• Strong debugging and problem-solving skills
• Familiarity with application monitoring tools (logs, metrics, tracing)

What We’re Looking For

• Strong problem-solving mindset and ownership attitude
• Ability to learn new tools and technologies quickly
• Comfortable working in fast-paced, production-driven environments
• Immediate or short-notice joiners preferred

Job Title: Senior Software Engineer

Location: Bangalore

Experience: 3–5 Years

About the Role

We are looking for a highly skilled Senior Sotware Engineer to design, develop, and scale robust backend systems for enterprise-grade applications. The ideal candidate should have strong experience in microservices architecture, cloud-native applications, distributed systems, and API development while also being capable of mentoring engineering teams and driving technical decisions.

Key Responsibilities

• Design and develop scalable backend systems and microservices. • Lead architecture discussions and technical decision-making across projects. • Build high-performance REST APIs and event-driven systems. • Collaborate with frontend, product, and DevOps teams to deliver end-to-end solutions. • Perform code reviews and establish engineering best practices. • Design database schemas and optimize application performance. • Build real-time systems using WebSockets, Redis, and messaging patterns. • Manage deployments, CI/CD pipelines, and cloud infrastructure. • Mentor junior and mid-level developers and contribute to sprint planning and delivery.

Required Skills

Backend Technologies • Node.js • TypeScript / JavaScript • Express.js • NestJS • Python • Django / FastAPI • Go (Golang) • Laravel (PHP)

Frontend Exposure • React.js • Next.js

Databases • PostgreSQL • MongoDB • Redis • Elasticsearch

Cloud & DevOps • AWS • GCP • Docker • Nginx • GitHub Actions • CI/CD Pipelines

Architecture & Design • Microservices Architecture • Event-Driven Systems • Distributed Systems • REST APIs • WebSockets • Caching Strategies • Scalability & Performance Optimization

Leadership Responsibilities

• Lead a team of developers across multiple projects. • Conduct code reviews and technical mentoring. • Drive engineering standards, architecture patterns, and development processes. • Collaborate with stakeholders for technical planning and estimation. • Ensure timely delivery while maintaining code quality.

Preferred Qualifications

• Experience building systems serving high user volumes. • Experience in fintech, banking, SaaS, hospitality, or IoT domains. • Hands-on experience with cloud cost optimization and performance tuning. • Exposure to AI integrations and modern software architecture patterns.

Education

Bachelor's degree in Computer Science, Information Technology, Engineering, or a related field.

Why Join Us

• Opportunity to work on large-scale enterprise applications. • Exposure to modern cloud-native technologies. • Leadership opportunities with direct impact on product and engineering decisions. • Collaborative and growth-oriented work environment.

Are you passionate about backend development and eager to learn real-world skills? We're looking for a Node.js Intern who is excited to grow, explore, and build with experienced developers.

About the Opportunity:

Join a fast-paced, collaborative environment where learning is the core focus. You’ll work alongside experienced developers, contribute to real projects, and sharpen your skills in Node.js, APIs, databases, and modern backend architectures.

What We’re Looking For:

• Basic knowledge of JavaScript & Node.js
• Curiosity to learn and improve daily
• Eagerness to take ownership and ask questions
• A team player with a positive attitude

You’ll Get To:

• Learn by working on live projects
• Understand backend design and API development
• Collaborate with a supportive and skilled dev team
• Gain experience with tools like Express.js, MongoDB, Git, etc.

Ideal For:

Students, recent grads, or self-taught devs looking for real-world exposure.

We are looking for a Full Stack Developer who is proficient in NodeJS, React, and Go to join our team. The ideal candidate will be responsible for developing and maintaining web applications using modern technologies.

Responsibilities:

Design and implement complex web applications using NodeJS, React, and Go

Collaborate with the development team to ensure the project is delivered on time and to the highest standards

Identify and resolve technical issues and bugs

Develop and maintain server-side and client-side code

Ensure web applications are scalable, efficient, and secure

Write and maintain unit and integration tests

Work with other teams to integrate third-party systems and APIs

Keep up-to-date with the latest technologies and best practices in web development

Participate in code reviews and provide constructive feedback to other team members

Take ownership of the project and ensure its success

Requirements:

Strong experience in web application development using NodeJS, React, and Go

Familiarity with databases such as MongoDB, PostgreSQL, and MySQL

Understanding of RESTful APIs and Microservices Architecture

Experience with DevOps, Continuous Integration/Continuous Deployment, and Cloud Technologies such as AWS, Azure, or GCP

Understanding of Agile/Scrum methodologies

Excellent communication and problem-solving skills

Strong attention to detail

Ability to work independently and as part of a team

If you are a motivated, enthusiastic, and talented Full Stack Developer with a passion for creating high-quality web applications, we encourage you to apply.

Job description

Finzly is a fintech company, providing innovative solutions to meet the growing needs of Banks and Financial services firms in North America.

Our award-winning open banking platform, BankOS, allows banks to innovate at the speed of “NOW” and compete with Fintech companies in the market.

This is an excellent opportunity to be part of a team bringing innovation in the finance industry and be a proud engineer.  This means following the industry standards, using clean code and being bold while sharing your thoughts during tough technical conversations. We want you to be a part of all of this!

What we need from you:

• You will join our team to develop awesome products for our customers(Banks and Financial Institutions)
• You will be developing in Java, Spring Boot on the backend and Angular on the frontend
• Learn from our high performing teams, while at the same time providing feedback on how the team could do its job better
• Work with our product owners and help them to convert ideas into working products.
• Sharp focused on delivery. We are results-oriented and need self-starters who do not wait around for direction.

What we need you to bring:

• Deep passion for developing software and continuous learning attitude to write more efficient code.
• Someone who wants to work in a strong team and influence that team on how to perform better
• You enjoy sliding between both front-end and back-end stacks to solve problems instead of just “writing code”
• 5 or more years of experience writing code for web products.
• You have worked with cloud technology

Bonus Points / Nice to Have

• Understanding of CI/CD/Docker/
• Experience/understanding payment processing / payment gateways, e.g. ACH, RTP, SWIFT, PCI compliance
• Experience on messaging and distributed caching.

Our Interview process:

• Recruiter Call (15 min) – Specialist - Recruitment
• Online Programming Test/Offline Assignment(45 to 90 minutes) – Online (This is optional for early joiners)
• Technical Interview (45 to 90 minutes): Sr/Lead R&D Engineers
• System Design + Methodology Interview (1 hour): Director - Engineering
• Final Interview : India Head (1 hour)

Technical Skills

Front-end:

Mandatory Technical Skills: ReactJS, ES6, Context API, GraphQL, Redux, Payment Gateway
Not Mandatory skills: Redux saga, Gatsby, Git Pipeline, Deployment on Cloud AWS/Azure/Google

Back-end:

Mandatory Technical Skills: NodeJS, ES6, Express, Apollo Server, Send Grid Email, Twilio SMS, Payment Gateway,
Exception Management, Error Loggin, API Developement, API Security, PostGreSQL/MSSQL/MySQL, MongoDB/CouchDB
Not Mandatory: Docker Deployment, Git Pipeline, Auto Deployment, AWS/Azure/Google, NestJS

Job roles and responsibilities

• Design and implement key components of our technical infrastructure, including services supporting payments, lottery results, user management, and game mechanics
• Design and implement user-facing features for Web, iOS, and Android applications
• Take ownership of mission-critical functionality that is consumed by our mobile, web, and internal applications
• Work as a team with your peers, collaborating on architecture, mentoring teammates, and pushing our entire stack forward
• Stay up to date on the latest innovations in our industry and in our tech stack
• Integrating with and managing third-party APIs as well as designing and developing APIs for partners and peers
• Work with the product team to keep the roadmap realistic, on track, and groomed
• Capable of writing technical specs and documenting work
• Management of Jira, Git, AWS, Heroku, and other platform systems

Competencies and Skills Required

1. Requires excellent analytical, problem-solving, and good communications skills
2. Must be able to work effectively with business stakeholders
3. Able to understand requirements and implement complete business solutions for our industry
4. Must possess strong customer service skills
5. Excellent written and verbal communication
6. Must have excellent interpersonal skills

Eximius is a micro-VC fund which invests into early-stage startups. One of our portfolio startup iTribe is looking for "Hustlers", "First Principle Thinkers", "Crazy and trips on creating products out of the box from scratch", "Outspoken", "unafraid of users ripping your product".

About iTribe: 
iTribe is on a mission to make discussing finance from being a taboo topic to a dinner table topic, which means making "Bharat" financially literate and independent. iTribe is a social network which allows anyone to discover, discuss, vet ideas and seek advice from like-minded iTribe aims at making Finance simple, witty and fun for everyone

Founded in 2021 by IIT Kharagpur alumni to convert their own journey of becoming investors into a product to help billion users. An emerging startup backed by some of the most respected investors around the world.

Responsibilities

Code Quality and Go live

• Craft clean, manageable code, maintain proper documentation and code integrity
• Maintain quality and ensure responsiveness, cross-platform optimization of applications
• Create, test and deploy the applications on production servers
• Continuously discover, evaluate, and implement new technologies and frameworks to maximize development efficiency
• Responsible for security and data protection.

Communication & Collaboration

• Working alongside Product managers to architect and design new features.
• Collaborate with the rest of the engineering team to launch new features.
• Unblock peers and keep all the internal and external teams informed about the progress of development

Requirements

• 2 - 5 years of experience in designing and developing Server-side components (REST APIs, Microservice Architecture) and frontend applications (React/ Angular)
• Good understanding and strong in data structures and algorithms (Degree in computer science is an added advantage)
• Proficient experience using (Ex: advanced JavaScript libraries and frameworks such as ReactJS, AngularJS, etc.).
• Strong programming expertise in at least one (Python, Java, NodeJS, GoLang) will be an added advantage
• Good understanding of databases such as MongoDB, PostgreSQL, MySQL.
• Well-versed with Software Development Life Cycle
• Demonstrate the ability to be a self-starter, learn and implement new technologies/ frameworks
• Excellent analytical and problem-solving skills

Why you should join iTribe? 

• Building a product which is not done in decades.
• Be a part of the founding team and work directly with the founders.
• Competitive Salary
• ESOPs - ownership in the company
• Medical Insurances
• Subscriptions to premium platforms for learning
• Books that you ask for
• Friendly leave policy