Full-stack Developer

Job Description: Senior Full-Stack Engineer (MERN + Python )

Location: Noida (Onsite)

Experience: 5 to 10 years

We are hiring a Senior Full-Stack Engineer with proven expertise in MERN technologies and Python backend frameworks to deliver scalable, efficient, and maintainable software solutions. You will design and build web applications and microservices, leveraging FastAPI and advanced asynchronous programming techniques to ensure high performance and reliability.

Key Responsibilities:

• Develop and maintain web applications using the MERN stack alongside Python backend microservices.
• Build efficient and scalable APIs with Python frameworks like FastAPI and Flask, utilizing AsyncIO, multithreading, and multiprocessing for optimal performance.
• Lead architecture and technical decisions spanning both MERN frontend and Python microservices backend.
• Collaborate with UX/UI designers to create intuitive and responsive user interfaces.
• Mentor junior developers and conduct code reviews to ensure adherence to best practices.
• Manage and optimize databases such as MongoDB and PostgreSQL for application and microservices needs.
• Deploy, monitor, and maintain applications and microservices on AWS cloud infrastructure (EC2, Lambda, S3, RDS).
• Implement CI/CD pipelines to automate integration and deployment processes.
• Participate in Agile development practices including sprint planning and retrospectives.
• Ensure application scalability, security, and performance across frontend and backend systems.
• Design cloud-native microservices architectures focused on high availability and fault tolerance.

Required Skills and Experience:

• Strong hands-on experience with the MERN stack: MongoDB, Express.js, React.js, Node.js.
• Proven Python backend development expertise with FastAPI and Flask.
• Deep understanding of asynchronous programming using AsyncIO, multithreading, and multiprocessing.
• Experience designing and developing microservices and RESTful/GraphQL APIs.
• Skilled in database design and optimization for MongoDB and PostgreSQL.
• Familiar with AWS services such as EC2, Lambda, S3, and RDS.
• Experience with Git, CI/CD tools, and automated testing/deployment workflows.
• Ability to lead teams, mentor developers, and make key technical decisions.
• Strong problem-solving, debugging, and communication skills.
• Comfortable working in Agile environments and collaborating cross-functionally.

Required Skills & Qualifications

• 5+ years of professional web development experience, with 3+ years focused on Shopify.
• Strong proficiency in Liquid templating language and Shopify’s theme architecture.
• Experience with Shopify APIs (REST & GraphQL) and building private or public apps.
• Strong frontend development skills: HTML5, CSS3 (SCSS), JavaScript (ES6+), and React or Vue.js.
• Deep understanding of Shopify's checkout process, cart mechanics, and store configuration.
• Experience working with Shopify Plus features like checkout.liquid, multi-store setup, and scripts.
• Solid understanding of web performance, accessibility, and SEO best practices.
• Experience with Git, CI/CD pipelines, and Agile development workflows.
• Ability to work independently and lead projects from concept to completion.

Nice to Have

• Experience with Headless Shopify implementations using Hydrogen or Next.js.
• Familiarity with Shopify Functions, custom checkout extensibility, and Shopify’s new App Bridge.
• Prior experience working with international stores, multiple currencies, and languages.
• Understanding of backend systems (Node.js, PHP, or Ruby) for custom app integrations.
• Contributions to the Shopify developer community or open-source projects.

What We’re Looking For:

Meltwater is a global leader in media intelligence and social analytics. Our mission is to help businesses make more informed decisions by providing them with actionable insights from the vast ocean of online data. With a diverse and talented team spread across the world, we are

committed to driving innovation and pushing the boundaries of what's possible in our field.

Meltwater is seeking a Full Stack Software Engineer to join our new influencer marketing team in our Hyderabad office.. We are looking for an individual who is not only technically proficient but also embodies the values of collaboration, open-mindedness, and a proactive approach to

problem-solving. As a Full Stack Software Engineer, you will play a key role in shaping our technology stack, working with cutting-edge technologies like React, Typescript, Next.js, Node.js & AWS ecosystem.

What You'll Do:

• Collaborate effectively with cross-functional teams to develop and maintain software solutions that meet business requirements.
• Lead the development of high-quality code, ensuring scalability, security, and performance.
• Continuously learn and adapt to new technologies, tools, and best practices.
• Identify and resolve technical challenges.

What You'll Bring:

• Bachelor's or Master's degree in Computer Science or related field.
• At least 3 years of experience as a Full Stack Software Engineer.
• Strong problem-solving skills and the ability to think critically.
• Experience with databases such as MySQL, Elasticsearch, etc.
• Experience with backend technologies, preferably NodeJS & Typescript.
• Experience with frontend technologies, preferably React & Typescript.
• Excellent communication and collaboration skills.
• Self-motivated with a passion for learning and self-improvement.

What We Offer:

• Opportunity to work on cutting-edge technologies and projects.
• A culture that values innovation, collaboration, and personal growth.
• A dynamic and diverse team with a global presence.

​​ChiefEx Technologies Pvt Ltd is an early stage SAAS application startup providing an integrated technology platform to small businesses for most of their day to day activities for all of their business cycle with complete control on activities.

Our application is very flexible and its minimalistic design is loved by many customers.

The company is looking at further expanding the solution and rolling across geographies in the coming future.

Our MVP is ready and we started early traction. We are looking for passionate developers with an entrepreneurship mindset to join our team as Team Lead - MEAN Stack.

Joining as a founding team member will come with lots of benefits and opportunities to grow.

There won't be any cash benefits for at least 3 months or till we achieve revenue goals or funding. A very attractive indicative compensation will be offered with equity for the right candidate.

Right candidate will be inducted as Co-founder  / CTO.

You will be getting freedom and autonomy to perform tasks, manage and build your team and engage in cross functional activities.

This is a high growth career opportunity is only best for those who have the capability to fast grow the organisation as a High growth driver and with an Entrepreneur Mindset.

Note: DO NOT APPLY if you are looking for a traditionally paid employee safe mode opportunity. 

Responsibilities:

• Own the product development from scratch.
• Design and implementation of low-latency, high-availability, and performant applications.
• Architect scalable software solutions and mentor a team of high performing developers.
• Participate in code reviews, design reviews and troubleshooting to ensure uptime for live systems etc.

Requirements:

• Bachelor's degree in a technology-related field.
• Prior 5+ years of experience in leading full stack development (MEAN Stack) in a start-up or a dynamic work environment.
• Strong knowledge of JavaScript/Typescript and technologies like NodeJS (with Express) / Angular / MongoDb etc.
• Good understanding of System Design, Microservice Architecture, DSA, etc.
• Good understanding of CI/CD, AWS, cloud deployment, Git, etc.
• Customer oriented, responsive to changes, and able to multi-task in a fast-paced environment.

If you are a potential candidate and have some questions, please feel free to talk with us.

About Tweeny:
We are a team of passionate software Ninjas who design scalable software solutions.

We solve some of the interesting problems for our clients in a variety of sectors. We are also developing our own products where we are seeking bright minds with creative thinking.
We are a fast-paced and young team of fun-loving engineers. For us, work is not just a job but it's a way to grow & learn together while doing what we love.

We are looking to hire on MERN stack position (full stack engineering profile) although if you have worked only on either ReactJS/Native or NodeJS stack, please do apply as well.

We are hiring for a few specific teams at our organization that is building utility and functional web application experiences (as marketplace applications) that solving some interesting problems for remote workforce management.

Requirements:

• 2-5 years of experience working with React JS, Node JS, and other advanced JavaScript libraries and frameworks.
• Ability to understand business requirements and translate them into technical requirements.
• Strong software engineering skills with the proven ability to build, deploy, and maintain a scalable codebase.
• Experience working with remote data using RESTful APIs and JSON.
• Strong understanding of development tools and technologies like ES6, Redux, Immutable, JSX Components, Bootstrap, HTML, CSS, Git, NPM, Express.
• Strong understanding of any build tool like Webpack, Babel, Gulp, or similar.
• Strong affinity for benchmarking and performance optimization.
• Experience deploying applications to the cloud and setting up CI/CD is a plus.
• Experience building container images using tools like Docker is a plus.
• Ability to learn new languages and technologies.
• B.E/B.Tech in Computer Science, Engineering, or a related field.

• Produce clean, efficient code based on specifications
• Integrate software components and third-party programs
• Verify and deploy programs and systems
• Troubleshoot, debug and upgrade existing software
• Recommend and execute improvements for the software development and software delivery life cycle
• Ensure the highest standard of performance, quality, and responsiveness of the applications.

• Be involved in full-fledged product development.
• Build New Features, Push them to production fast.
• Debug production issues across services and levels of the stack
• Build services or APIs which will for easy application integrations at Sokrati to develop applications faster.
• Build scalable/fault-tolerant backend systems that process and analyze billions of data points every day.
• You will use every aspect of computer science you have learned or heard of. We believe in experimenting to facilitate more efficient systems.
• You will become an owner in no time. The company aspires in creating effective owners.
• You will participate in every aspect of Software Life Cycle. From inception, to design, to coding, to testing, to deployment and maintenance.

Graphene is an award-winning AI company, developing customized insights and data solutions for corporate clients. With a focus on healthcare, consumer goods and financial services, our proprietary AI platform is disrupting market research with an approach that allows us to get into the mind of customers to a degree unprecedented in traditional market research.

Graphene was founded by corporate leaders from Microsoft and P&G and works closely with the Singapore Government & universities in creating cutting edge technology. We are gaining traction with many Fortune 500 companies globally.

Graphene has a 6-year track record of delivering financially sustainable growth and is one of the few start-ups which are self-funded, yet profitable and debt free.

We already have a strong bench strength of leaders in place. Now, we are looking to groom more talents for our expansion into the US. Join us and take both our growths to the next level!

• Primary Purpose: As part of a highly productive and creative AI (NLP) analytics team, design and develop web applications and SPA’s i.e., UI/UX, and underlying backend – API’s, security framework, scalable microservices etc.
• Daily Grind: Interface with the product manager, project managers, and the engineering team to achieve sprint goals on the product roadmap.
• Career Progression: Senior Full Stack Engineer, Technical Architect

• Work in a product-development team capable of independently authoring software products.
• Guide junior programmers, set up the architecture, and follow modular development approaches.
• Design and develop code which is well documented.
• Optimize of the application for maximum speed and scalability
• Adhere to the best Information security and Devops practices.
• Research and develop new approaches to problems.
• Design and implement schemas and databases with respect to the AI application
• Cross-pollinated with other teams.

HARD AND SOFT SKILLS

Must Have

• Problem-solving abilities
• Extremely strong programming background – data structures and algorithm
• Angular/React, Strong UI/UX skills
• Very strong python background, TDD, CI/CD,
• Software design skills i.e., OOPs, design patterns
• SQL, NoSQL – design of schemas and databases
• Microservices architecture, Cloud native apps

Good to Have

• Enterprise Design Patterns
• Distributed Systems
• Exposure to ML and Data Science
• Docker, Kubernetes, AKS, Kafka, Graph databases