Senior MERN Stack Developer

Job Title : Tech Lead - MERN Stack

Experience : 5+ Years

Location : Mohali

Job Summary :

We are seeking a dynamic Tech Lead - Full Stack (MERN) to spearhead our web development team. The ideal candidate will lead the design, development, and delivery of robust web applications while mentoring team members and ensuring adherence to industry best practices. This is a hands-on role requiring exceptional leadership, technical expertise, and a commitment to driving excellence.

Key Responsibilities :

• Oversee project execution, ensuring adherence to scope, budget, and timelines.
• Make critical technical and product decisions while collaborating with Product Managers and clients.
• Lead and mentor the development team in coding best practices and modern web technologies.
• Design and develop scalable web applications using the MERN stack (MongoDB, Express.js, React.js, Node.js).
• Coordinate cross-functional teams to define project requirements and goals.
• Analyze resource needs, assess project feasibility, and create detailed project plans.
• Represent the team in planning meetings and provide technical guidance to stakeholders.
• Stay updated on industry trends, challenges, and new technologies to enhance team performance.
• Participate in hiring and onboarding new team members.

Required Skills and Qualifications :

• Bachelor’s degree in Computer Science or a related field.
• Proven experience as a Full Stack Developer with expertise in the MERN stack.
• Previous experience in a leadership or technical lead role.
• Strong understanding of the software development lifecycle (SDLC) and Agile methodologies.
• Excellent problem-solving, communication, and interpersonal skills.
• Team handling experience is essential.
• Ability to balance hands-on coding with leadership responsibilities.

Why Join Us?

• Be part of a forward-thinking and collaborative team.
• Work on exciting and innovative projects with the latest technologies.
• Contribute to shaping the technical vision of the company.

Role Description

This is a full-time on-site role for a Python Full Stack Developer located in Pune. You will be responsible for end-to-end development of scalable, AI-driven web applications. Day-to-day tasks involve architecting asynchronous backend services using Python and FastAPI, building dynamic user interfaces with ReactJS, and managing cloud infrastructure on AWS. You will collaborate with data scientists and product teams to integrate AI models into enterprise solutions while ensuring high performance and reliability.

Key Responsibilities

1.      Design and develop high-performance asynchronous APIs using Python and FastAPI.

2.      Build responsive, interactive frontends using ReactJS, HTML, CSS, and Tailwind CSS.

3.      Implement distributed task queues and caching mechanisms using Celery and Redis.

4.      Architect and optimize databases, managing both structured (PostgreSQL) and unstructured (MongoDB) data.

5.      Deploy and manage infrastructure on AWS (EC2, Lambda, S3) and maintain CI/CD pipelines for automated deployment.

6.      Integrate AI/ML models into production workflows and optimize system performance for scalability.

7.      Ensure application security, data privacy, and code quality through best practices and regular testing.

Required Skills & Qualifications

1.      3–5 years of experience in full-stack development with a strong focus on Python.

2.      Proficiency in FastAPI and deep understanding of asynchronous programming (asyncio).

3.      Solid experience with ReactJS, HTML, CSS, JavaScript, and Tailwind CSS.

4.      Hands-on experience with Celery and Redis for background task processing.

5.      Working knowledge of AWS services and containerization tools like Docker.

6.      Proficiency in database management using PostgreSQL and MongoDB.

7.      Experience setting up CI/CD pipelines (Jenkins, GitHub Actions, etc.) and version control (Git).

8.      Strong understanding of RESTful API design, microservices, and security best practices.

Team Lead Full Stack Developer responsible for managing back-end services and the interchange of data between the server and the users.

Your primary focus will be the development of all server side logic, definition and maintenance of the central database, and ensuring high performance and responsiveness to requests from the front-end. You will also be responsible for integrating the frontend elements built by your co-workers into the application. Therefore, a basic understanding of frontend technologies is necessary as well.

We are looking to recruit a candidate for a role that will require:

• Create and consume restful APIs
• Design, develop, and maintain internal and external applications
• Build efficient, testable, and reusable modules
• Write high quality, structured application/interface code and documentation
• Identify solutions through research and collaboration that resolves the root of problems as they arise
• Define functional and technical requirements for application software to develop skills and knowledge
• Troubleshoot, test and maintain the core product software and databases to ensure strong optimization and functionality
• Contribute in all phases of the development lifecycle

Requirement

∙ Proficient in Node.JS and ReactJS development stack

∙ 5+ years’ experience designing, querying, and updating databases in MySQL/nosql

∙ Basic understanding of web technologies including HTML, CSS, JavaScript, AJAX etc.

∙ Passion for best design and coding practices and a desire to develop new bold ideas

∙ Good to have knowledge of AWS, Redis, ElasticSearch

Education: Min. Graduate in related discipline

Work experience: 5 years relevant experience

Preferring candidates from Ahmedabad / Bangalore specifically!

Thence is searching for a highly skilled and motivated individual who is enterprising and eager to make a significant impact in the service space by enabling exceptional products. The ideal candidate should have a robust technical background, outstanding leadership skills, and a proven track record of managing complex technical projects. Moreover, this role includes consideration for a Partner role after completing one year with Thence, accompanied by sizeable equity.

Reporting directly to the COO, you will have the opportunity to shape the direction of the company's growth by delivering digital products to clients across various verticals like healthcare, hospitality, manufacturing, etc.

If you are a motivated individual with a passion for driving business growth and creating lasting client partnerships, we encourage you to apply for this exciting opportunity to join our dynamic team at Thence.

Duties & Responsibilities

• Developing digital products, applications and minimum viable product (MVP), including defining the overall architecture and system design to meet business requirements.
• Enabling our client to select the appropriate technology stack, considering factors such as scalability, performance, security and maintainability.
• Designing and configuring the infrastructure to support the software application.
• Choosing the development toolkit, frameworks and libraries best suited based on business and project's needs.
• Crafting and executing database designs, ensuring data integrity, performance and scalability.
• Enhancing and optimising application architecture to improve efficiency, reliability, and scalability.
• Ensuring application scalability to handle increased user loads and data volumes effectively.
• Upholding quality assurance standards through code reviews, testing and continuous integration practices.
• Ensuring IP security by implementing robust authentication, authorisation and encryption mechanisms.
• Exploring and integrating new technologies to enhance the software's capabilities and keep it up-to-date with industry trends.
• Developing the startup's strategic resource allocation plan, including budgeting for technology investments and staffing needs.
• Ensuring efficient utilisation of technologies by optimising resource allocation and minimising waste.
• Assessing and integrating new systems and infrastructure to support the evolving needs of the organization.
• Deliver digital products to clients across various verticals, including healthcare, Fintech, hospitality, manufacturing, etc.
• Building, attracting and mentoring talented developers to foster a culture of learning, innovation and collaboration within the team.
• Collaborating closely with the sales team to ensure effective communication and strategic positioning of technology solutions, while continuously refining sales pitch strategies based on feedback and market trends to maximize success rates and drive revenue growth.
• Defining, managing and evaluating team members based on goals and performance metrics, providing status updates to the leadership team on a bi-weekly basis.
• Identifying process gaps and development inefficiencies within the organisation and defining and driving Standard Operating Procedures (SOPs) to address these gaps effectively.
• Generate business opportunities from existing clients and collaborate with the business team to convert new business.
• Work towards achieving annual and quarterly revenue targets.

Skills Required

• Strong business acumen, with the ability to make strategic decisions and take ownership of account growth, revenue and outcomes.
• Strong technical background with experience in managing complex technical projects encompassing diverse realms such as Web, Mobile, Applications (Apps), Augmented Reality/Virtual Reality (AR/VR), Artificial Intelligence (AI), and Machine Learning (ML).
• Extensive experience in establishing and refining processes and Standard Operating Procedures (SOPs) aimed at measuring and enhancing the quality and efficiency of development capabilities. This includes implementing frameworks to assess performance metrics, optimise workflows and drive continuous improvement across the development lifecycle.
• Excellent leadership skills and the ability to inspire and motivate teams.
• Proven track record of driving business growth and creating lasting client partnerships.
• Enterprising and adept at handling clients effectively.

Qualifications

The ideal candidate will be an inspiring and confident team player with:

• Bachelor's or Master's degree in Computer Science, Engineering or related field and/or significant relevant work experience
• Minimum of 4+ years of proven agency experience in software development projects.
• Experience in leading a team of highly skilled developers, engineers, and testers
• working on multiple client projects
• Experience managing products and projects, and delivering large scale technical solutions on time and on budget
• Excellent communication, interpersonal, and negotiation skills, with a track record of managing stakeholder expectations effectively.
• Familiarity with Agile methodologies and project management tools
• Experience with cloud-based technologies and infrastructure, microservices, and serverless architecture

Additional Opportunities:

After completing one year with Thence, high-performing individuals will be considered for a Partner role, with the potential for substantial equity ownership in the company.

Your responsibilities will include:

• Working closely with senior stakeholders to understand business requirements and help translate these into technical requirements for the development team
• Planning and documenting technical specifications for features or system design
• Designing, building, and configuring applications to meet business process and application requirements
• Directing the development team in the design, development, coding, testing, and debugging of applications
• Writing testable, scalable, and efficient code and leading code reviews
• Mentoring junior team members and ensuring they adhere to determining software quality standards
• MERN stack is mandatory

Core Competency:

Professional development experience, working the full stack on large scale B2B, SaaS products. • Expertise with learning new technologies and strong experience with our tech stack AngularJS, JavaScript, Node.js, Go, React.js and Postgres. • Bachelor’sin Computer Scienceorsolid knowledgeof CS fundamentals(OOP, designpatterns, algorithms, etc...) • Experience and adesire towork in a fast-paced environment. • We are a leading cloud-based open platform used by some of the most prestigious companies around • You will get to work with some of the most complex technologies on the market today • You will have an opportunity to work at all levels of the organization.

We are looking for a full stack Java Developer with an experience of 1+ years. The individual should have good technical knowledge of Core Java, Sql, Spring, Spring Batch, Spring Boot, Apache Spark. Exposure to sql databases like Oracle, Mysql, Microsoft Sql is a must. Any experience / knowledge / certification on Cloud technology preferrably Microsoft Azure is good to have. Exposures to non sql databases like Neo4j or Document database is again good to have.

The individual should have good knowledge of design patterns and also be able to implement them in desired conditions. Finally the individual should be smart and look to provide solutions for problems.

• 2-5 years relevant work experience in building multiple users software solutions
• 1-2 years hands on experience building cloud based web and mobile applications
• JavaScript, React, NodeJS, structured and unstructured store
• Strong Front End or Back end experience
• Hands on experience building Restful APIs
• Hands on experience building microservices based applications
• Understanding of DevOps / DevSecOps processes and related tools including, but not limited to, IaC (Terraform, CloudFormation), config management (Chef, Puppet), Git / Bitbucket, or Jenkins, etc.
• Hands on experience with multiple frontend or backend technologies (either) / frameworks / platforms supporting web and mobile applications – Such as: NodeJS, Python, Django, Flask, PHP, Laravel, jQuery, Bootstrap, Angular, Vue.js, ReactJS, Bootstrap, React-Native, Flutter, iOS SDK, or similar.
• Hands-on end to end experience of multiple application development frameworks, monitoring tools, and deployment methodologies
• Experience building and deploying with container technologies such as Docker and Kubernetes and leveraging them throughout the CICD process
• Understanding of practices regarding system security measures