MERN Stack Developer

Job Title : Full Stack Developer

Experience : 5+ Years (Mandatory)

Mandatory Tech Stack : Node.js (NestJS), React.js (Next.js), React Native, PostgreSQL, AWS (Hybrid with On-Premise infrastructure) & Docker Swarm & Portainer

Location : Remote

Working Days : Monday to Saturday

Shift : Night Shift

Job Summary :

We are scaling rapidly and looking for a high-impact Full Stack Developer who thrives on solving complex problems across Web, Mobile, and Cloud Infrastructure.

The ideal candidate is hands-on, adaptable, and comfortable working in distributed systems and hybrid cloud environments, delivering end-to-end solutions with ownership and accountability.

Mandatory Technical Skills :

• Backend : Node.js with NestJS
• Frontend (Web) : React.js with Next.js
• Mobile : React Native
• Database : PostgreSQL
• Cloud : AWS (Hybrid with On-Premise infrastructure)
• OS : Linux
• Containers & Orchestration : Docker Swarm
• Container Management : Portainer

🎯 Key Responsibilities :

• Design, develop, and maintain scalable full-stack applications (Web + Mobile)
• Build and manage microservices and RESTful APIs
• Work in distributed and hybrid cloud environments
• Develop cloud-ready solutions and manage deployments
• Handle containerized applications using Docker Swarm & Portainer
• Collaborate closely with Product, DevOps, and Engineering teams
• Ensure application performance, security, and reliability
• Participate in code reviews and follow best engineering practices
• Troubleshoot, debug, and optimize applications across the stack

✅ Required Qualifications :

• Strong hands-on experience with Node.js (NestJS)
• Solid expertise in React.js (Next.js) and React Native
• Experience with PostgreSQL and backend data modeling
• Working knowledge of AWS services in hybrid environments
• Good understanding of Linux systems
• Hands-on experience with Docker Swarm & Portainer
• Strong understanding of microservices architecture
• Ability to manage end-to-end full-stack delivery

⭐ Good-to-Have Skills :

• Experience with CI/CD pipelines
• Exposure to monitoring & logging tools
• Knowledge of event-driven systems
• Experience working in high-availability systems

JOB DESCRIPTION:

Location: mumbai

Mode of Work : 3 days from Office

DSA(Collections, Hash maps, trees, Linkedlist and Arrays, etc), Core Oops concepts(Multithreading, Multi Processing, Polymorphism, Inheritance etc) Annotations in Spring and Spring boot, Java 8 Vital features, database Optimization, Microsevices and Rest API

• Design, develop, and maintain low-latency, high-performance enterprise applications using Core Java (Java 5.0 and above).
• Implement and integrate APIs using Spring Framework and Apache CXF.
• Build microservices-based architecture for scalable and distributed systems.
• Collaborate with cross-functional teams for high/low-level design, development, and deployment of software solutions.
• Optimize performance through efficient multithreading, memory management, and algorithm design.
• Ensure best coding practices, conduct code reviews, and perform unit/integration testing.
• Work with RDBMS (preferably Sybase) for backend data integration.
• Analyze complex business problems and deliver innovative technology solutions in the financial/trading domain.
• Work in Unix/Linux environments for deployment and troubleshooting.

Required Skills & Experience:

• 3– 7 years of strong hands-on experience in Core Java, Spring boot, microservices, data structures.
• Deep understanding of Object-Oriented Programming (OOP), data structures, algorithms, and design patterns.
• Proven experience with Spring, CXF, and REST/SOAP web services.
• Solid understanding of microservices architecture and distributed systems.
• Experience working with Sybase or other relational databases.
• Expertise in multithreading, concurrency, and high-throughput server-side development.
• Exposure to capital markets, sales & trading platforms, or similar financial services applications.
• Good working knowledge of Unix/Linux environments.
• Experience in solution architecture and design documentation is a strong plus.
• Strong problem-solving skills, analytical thinking, and a proactive attitude.
• Excellent communication and interpersonal skills to work effectively with global teams.

Preferred Qualifications:

• Bachelor’s or Master’s degree in Computer Science, Engineering, or related field.
• Previous experience in investment banking, capital markets, or financial technology domains.

 For more details:

Website: www.wissen.com

Wissen Thought leadership : https://www.wissen.com/articles/

LinkedIn: Wissen Technology

Note : Apply only if applicants are open to work on-site in Bangalore.

About Autonomize AI

Autonomize AI is revolutionizing healthcare by streamlining knowledge workflows with AI. We reduce administrative burdens and elevate outcomes, empowering professionals to focus on what truly matters — improving lives. We're growing fast and looking for bold, driven teammates to join us.

The Opportunity



Senior Software Development Engineer is responsible for Architecting, Developing & Testing the Autonomize Health platform & applications including the UI, middleware, backend data pipelines, APIs, and cloud operations architecture.

You’re a Fit If You Have

• 7+ years of experience building web applications from scratch, owning the journey from idea → architecture → implementation → deployment → scale.
• Strong experience in designing and architecting scalable, resilient, production-grade systems, with a clear understanding of performance, reliability, and fault tolerance.
• Extensive, hands-on experience in Python and JavaScript (primary languages).
• Experience with Node.js is required.
• Experience with TypeScript and React.js is highly valued.
• Strong understanding of RESTful API design, API versioning, authentication/authorization, and best practices for building scalable backend services.
• Deep experience with Microservices architecture, including service decomposition, inter-service communication, observability, and failure handling.
• Strong database expertise with hands-on experience in: Relational databases: PostgreSQL, MySQL, NoSQL databases: MongoDB
• Experience in schema design, query optimization, indexing, and data modeling for scale.
• Sound exposure to Python and/or JavaScript-based backend frameworks such as Django, Flask, or similar.
• Strong experience with containerization and orchestration, including: Docker, Kubernetes (deployment, scaling, configuration, troubleshooting)
• Hands-on experience working with event-driven and distributed systems, including: Kafka, ActiveMQ, and/or Redis
• Experience working with at least one major public cloud platform: AWS, Azure, or GCP
• Experience deploying, scaling, and managing cloud-native applications.
• Experience building end-to-end systems from an architectural point of view — making design decisions, evaluating trade-offs, and executing with minimal supervision.
• Experience in integrating, deploying, and operationalizing Machine Learning / Deep Learning models into real-world production systems.
• Solid understanding of Data Structures & Algorithms (DSA) and ability to apply them to solve real-world engineering problems.
• Familiarity with Agile / Rapid development processes and working in fast-paced, evolving environments.
• Strong interpersonal communication skills, including client interaction, technical discussions, and collaborative problem-solving.

Bonus Points:

• Experience leading and mentoring teams, driving quality and delivery through Technical direction, Code reviews
• Hands-on problem solving
• Experience working closely with stakeholders and product teams to translate business needs into clear, actionable engineering requirements.
• Familiarity with visualization libraries such as D3.js.
• Familiarity with AI/ML and Data Analytics frameworks.
• Experience with search, graph, or analytics databases, such as: Elasticsearch (ELK stack), Graph databases (Neo4j, TigerGraph, etc.)
• Exposure to OpenAI APIs and modern AI platform integrations.
• Strong owner mentality — self-directed, hands-on, needs minimal supervision, and takes accountability for quality, usability, and system reliability.
• A builder’s mindset: “learn it all” over “know it all”, always experimenting, iterating, and improving.
• Ability to design, architect, and rapidly deliver complex systems with minimal direction.
• Comfortable owning key product deliverables while collaborating effectively with cross-functional teams.
• Passionate, unafraid to take responsibility, and deeply committed to the team and mission.
• Loves to learn, build, and win together.
• Strong communication skills across voice, writing, chat, and video, and experience working with remote / global teams.

What we offer:

• Influence & Impact: Lead and shape the future of healthcare AI implementations
• Outsized Opportunity: Join at the ground floor of a rapidly scaling, VC-backed startup
• Ownership, Autonomy & Mastery: Full-stack ownership of customer programs, with freedom to innovate
• Learning & Growth: Constant exposure to founders, customers, and new technologies—plus a professional development budget

We are an equal opportunity employer and do not discriminate on the basis of race, religion, national origin, gender, sexual orientation, age, veteran status, disability, or other legally protected statuses.

Job Description – Senior Software Developer

 Key Responsibilities:

• Architect, develop and maintain web applications using the MERN stack.
• Design RESTful APIs (and possibly GraphQL) in Node.js/Express, integrate with front-end in React.
• Build and enhance the front-end UI in React, ensuring performance, responsiveness and maintainability.
• Design MongoDB schemas, indexes and queries for high-traffic/scale scenarios.
• Deploy, operate and optimise cloud infrastructure on AWS: e.g., EC2, Lambda, S3, RDS/DynamoDB, VPCs, IAM, autoscaling.
• Ensure high availability, fault-tolerance, and scalability of services in production.
• Set up and maintain CI/CD pipelines, infrastructure as code, automated testing, monitoring & alerting.
• Troubleshoot and fix performance bottlenecks across the stack (front-end, back-end, database, cloud).
• Collaborate with cross-functional teams (product, design, QA, DevOps) to deliver features end-to-end.
• Mentor junior/mid-level developers, conduct code-reviews, impart best practices.
• Stay up to date with emerging technologies, propose improvements to architecture and processes.

Required Skills & Qualifications:

• 3-5 years of hands-on experience in full-stack web development using the MERN stack (MongoDB, Express.js, React.js, Node.js).
• Strong front-end skills in React: component architecture, hooks, state management, performance optimisation.
• Solid back-end skills in Node.js/Express: API design, middleware, security, robustness.
• Experience with MongoDB (or equivalent NoSQL) including schema design, query optimisation, indexing.
• Proven experience working with AWS cloud services (compute, storage, database, networking, security, monitoring).
• Experience deploying applications at scale: autoscaling, high availability, disaster recovery.
• Familiarity with CI/CD pipelines, infrastructure‐as‐code (CloudFormation, Terraform or similar), containerisation (Docker) is a plus.
• Good understanding of software engineering best practices: code-quality, testing, documentation, version control (Git).
• Excellent communication skills, self-motivation, ability to work remotely and collaborate across time zones.
• Bachelor’s degree in Computer Science or related field (or equivalent experience).
• 
  

About the Role: We’re looking for a Full-Stack Developer who is comfortable working across both web and mobile platforms to join our growing tech team. You will be responsible for developing user-facing applications, building scalable backend services, and deploying high-quality digital experiences that impact real users. This is an exciting opportunity to work in a dynamic startup environment, where you’ll play a critical role in shaping both product and technology. You’ll collaborate closely with our design, backend, and product teams to develop and maintain new features across our platforms. We’re not just looking for a coder - we’re looking for someone passionate about solving problems, learning fast, and building user-first experiences across devices.

Responsibilities: Web Development Develop responsive web interfaces using React.js, JavaScript, HTML, and CSS. Optimize frontend performance for mobile and desktop platforms. Work closely with UI/UX designers to implement intuitive user experiences. Mobile App Development Build and maintain cross-platform mobile apps using React Native (or Flutter, if applicable). Ensure smooth user experience and performance across Android and iOS devices. Manage versioning, updates, and publishing to Play Store and App Store. Backend Development Develop and maintain backend APIs using Node.js and Express.js. Integrate with MongoDB / MySQL databases for data persistence. Work with third-party APIs and handle authentication, authorization, etc. DevOps & Deployment Handle app deployment pipelines and basic CI/CD workflows. Monitor, debug, and resolve production issues. Use Git and version control best practices for code collaboration.

Bonus Skills (Nice to Have): Experience with TypeScript, Firebase, AWS, or Expo Familiarity with push notifications, in-app purchases, etc. Basic knowledge of server-side rendering or Next.js Experience with analytics, performance monitoring, or testing frameworks

Skills Required : Angular7+, Javascript, CSS (Less/Sass), HTML5, Library development, Agile/Scrum, Team Management

Good to have: Experience with any backend technology- .Net/PHP/Laravel

Job Requirements :

- Should be able to design and implement complex technical requirements.

- Should be able to analyze and debug issues and blockers.

- Should unblock the team and help with solving critical issues and dependencies.

- Should be able to quickly analyze, organize, and abstract large amounts of information and to make decisions based on this analysis

- Should be able to provide creative solutions and out of the box thinking as the situation demands

- Should be able to influence and negotiate in technical discussions.

SKILL AND EXPERIENCE REQUIRED:

• 2+ years of experience in Java skills.
• 2+ years of hands-on HTML5/CSS3 experience.
• Experience with popular JavaScript frameworks such as ReactJs or Angular 2.0; experience preferred.
• Experience of working with HTTP 1.1, and HTTP/2.
• Experience with RESTful APIs and JSON RPC.
• Ability to write clean, bug-free code that is easy to understand and easily maintainable.
• Experience following Git workflows.
• Working knowledge of DevOps tools (e.g., Terraform, Ansible, Jenkins, Kubernetes, Helm and CI/CD pipeline etc.).

Full Stack Engineer

Front End Technology:

• Minimum 2+ years’ experience in working web development technologies

• Experience writing modular/reusable code and using modern JS frameworks / libraries like

React or other comparable frameworks or toolkits

• Strong expertise with HTML5, CSS, and writing cross-browser compatible code.

. Experience with Responsive Frameworks like Bootstrap / Flex.

• Strong knowledge of Object-Oriented Design concepts.

Back end Technology:

• Have extensive experience in designing a backend stack of the product

• Strong understanding of Data Structures / Algorithms.

• Minimum of 2+ years of experience in Writing Backend Microservices in Node

JS/Python

• Ability to build the product from scratch & drive it to completion

Responsibilities and Duties:

• Design and build a next-generation product that drives the business and meets the functional

needs of our customers and partners.

• Designing overall architecture of the web/ mobile application

• Maintain quality and ensure responsiveness of applications

• Optimize web applications to maximize speed and scale. Support diverse clients from high

powered desktop computers to small footprint mobile devices.

• Write client-side/backend code for web-based applications, create fast, easy-to-use, high

volume production applications, and develop prototypes quickly.

• Build reusable code and libraries for future use

• Develop application code and unit test (Karma, Mocha, Chai).

• Ensuring high performance and security of web apps developed.

Employment Type

Full-time

Job Functions:

• Engineering

• Information Technology

Skills

• Object-Oriented Programming (OOP)

• JavaScript

• Data Structures

• Front-end Development

• Algorithms

• React js
• Express js

• Swagger

• Github

Qualifications

• Experience in building scalable systems.

• Exposure in building and using reusable code and libraries.

• Candidates should proactively keep their knowledge and skills up to date.

• Candidates should be able to work in a fast-paced environment independently and as part of a team.

• Candidates should be able to work in a highly collaborative environment with excellent communication skills.

Other Skills:

• Excellent written and verbal communication skills.

• Ability to work in a dynamic, fast-moving, and growing environment.

• Critical thinker and problem-solving skills. Should be able to strategize immediately.

• Strong knowledge of web application architectures, trends, and emerging technologies.