Full 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

About the Role:

We are seeking a highly skilled and passionate Full Stack MERN Developer to join our growing development team. The ideal candidate will be proficient in JavaScript and have experience working with both MongoDB and PostgreSQL databases. As a Full Stack Developer, you will be responsible for designing, developing, and maintaining scalable and performant web applications across our product verticals.

Responsibilities:

• Collaborate with product managers, designers, and other developers to design and develop full-stack web solutions.
• Build responsive, user-friendly interfaces using React.js.
• Develop robust and scalable backend services using Node.js and Express.js.
• Design, implement, and manage databases using MongoDB and PostgreSQL.
• Develop and integrate RESTful APIs and third-party services.
• Ensure cross-platform optimization for mobile responsiveness.
• Write clean, maintainable, and well-documented code.
• Conduct code reviews, unit testing, and performance tuning.
• Troubleshoot, debug, and upgrade existing applications.
• Ensure security and data protection best practices.

Requirements:

• 1-5 years of experience as a Full Stack Developer (preferably MERN stack).
• Proficient in JavaScript, both frontend and backend.
• Strong experience with React.js, Node.js, and Express.js.
• Working knowledge of MongoDB and PostgreSQL.
• Familiarity with version control systems (e.g., Git).
• Understanding of server-side architecture and RESTful APIs.
• Familiarity with cloud platforms (e.g., AWS, or GCP) is an advantage.
• Good understanding of security and performance optimization.

When life gives you lemons and you can code both front and back with equal zest, you’re probably a Full Stack Developer we’d love on our team.

At Lemon Yellow, we’re looking for someone who thrives on building end-to-end web solutions using the MERN stack. From crafting intuitive front-ends to developing efficient, scalable back-end systems, you’ll be involved in shaping digital products from the ground up. If turning design mockups into pixel-perfect, high-performance applications excites you, we’re ready to build with you.

1. Core Responsibilities

• Build and maintain end-to-end web applications using the MERN stack.
• Act as a bridge between design and development to bring ideas to life with clean, scalable code.
• Support digital campaigns through intuitive and functional tech implementations.
• Design, develop, and deploy scalable front-end and back-end components.
• Write clean, maintainable code while collaborating with designers, marketers, and other developers.
• Translate product requirements and UI/UX wireframes into fully functional digital solutions.

2. API & Integration Management

• Implement RESTful APIs and connect third-party tools and services.
• Ensure smooth data exchange across platforms through secure integrations.
• Manage user authentication and authorization using mechanisms like JWT or OAuth.

3. Code Quality & Optimization

• Debug, profile, and optimize applications for performance and reliability.
• Maintain unit and integration test coverage for code robustness.
• Conduct code reviews and help improve internal coding standards.

4. Agile Collaboration

• Actively participate in agile activities: daily stand-ups, sprint planning, retros, and demos.
• Contribute to task estimation and cross-functional problem-solving.
• Stay responsive to project shifts and quick delivery needs.

5. Continuous Learning & Innovation

• Stay up to date with the latest development trends, tools, and practices.
• Share learnings and explore creative solutions for technical challenges.
• Experiment with emerging technologies and suggest process improvements.

Requirements

• Bachelor's degree in Computer Science, Software Engineering, or a related field.
• Minimum 1 year of hands-on experience building production-ready web applications using MongoDB, Express.js, React.js, and Node.js.
• Strong command of JavaScript (ES6+), HTML5, and CSS3.
• Experience with Git and version control systems
• Familiarity with RESTful API design, JSON, and authentication mechanisms (JWT, OAuth)
• Familiarity with cloud platforms (AWS, Azure, or GCP) and containerization (Docker).
• Basic understanding of CI/CD pipelines and automated testing.
• Strong analytical and problem-solving mindset.
• Detail-oriented with a passion for clean, maintainable code.
• Collaborative attitude with good verbal and written communication skills.

What are we offering?

Experience

• A chance for you to work in a thriving and growing environment. We foster a culture where growth is harmonious and creativity is always appreciated - you grow and you encourage others to do the same.

Exposure

• If you believe in your work, we believe in you. If you think your designs have the power to change the world, we'll help you bring your vision to life and give you the platform to prove it.

Empathy

• We have a carefully curated culture that promotes 2 things: fun & fulfilment. Your welfare - personal, professional, mental, and physical - becomes our responsibility. From Fitness Thursdays to learning sessions, we try to make you laugh & learn.

Who are we?

Lemon Yellow LLP is a user-centered UI/UX design agency, based out of Thane, Maharashtra. With international operations, an experienced mentorship, and a passionate team, we aim to design digital happiness.

How do you reach us?

Well, after you send in your application, it takes us 2-3 weeks to review it. Sometimes, not often, we might delay just a bit beyond that. This happens when our mailbox is flooded with applications.

We promise we won’t ghost you, you’ll definitely hear from us. In the meantime, feel free to explore our official website.

• Bachelor’s degree in Computer Science/Engineering or equivalent experience.
• 5+ years of professional experience in Node.Js, Angular, AWS, MongoDB or Postgres OR MySQL.
• Strong experience with MEAN stack development.
• Proficiency in SQL databases (MySQL, PostgreSQL, MongoDb).
• Solid understanding of AWS services for application hosting and scaling.

1. Design patterns- socket communication/ micro services architecture 

2. Caching - REDIS MEMCACHED etc

3. Database - MONGO, SQL etc. min 2yrs experience with these.

4. Features created for large concurrent requests.

5. Node Js, Go lang any asynchronous programming language min 2 yrs exp with any one of them.

6. Message Queues - RABBIT MQ, Kafka etc.

7. Logging and APM (application process manager) good to have.

8. DS ALGO good to have.

Fundflo Technology is looking for a full stack engineer who is passionate about learning new technologies. In this role, you will be responsible for developing product features using the latest web and mobile technologies in a cloud ecosystem.

What will you be doing?

1. Design, code and test product features in an agile-scrum environment.
2. Work closely with the team to understand the needs, context and develop solutions for the same.
3. Volunteer for items in the backlog and deliver to the highest standards.
4. Follow the engineering standards and practices
5. Research and experiment to solve complex problems.
6. Work in a democratic environment where decisions are driven by logic
7. Understand the functional complexity and provide the best experience to the users.
8. Contribute to Fundflo’s roadmap and help build a one-of-a-kind Account Receivable management platform

What skills do you need?

1. Engineer preferably in Computer Science
2. Good understanding of Data Structure and algorithm.
3. Proficiency in one or more of the following technologies: NodeJS, Java, frontend frameworks like React, Angular
4. Good understanding of Relational Database(i.e MySql, PostgreSQL etc) 

Remote working with access to co-working space as required.

• Architect new and optimize existing software codebases and systems used to crawl, launch, run, and monitor the Anakin family of app crawlers
• Deeply own the lifecycle of software, including rolling out to operations, managing configurations, maintaining and upgrading, and supporting end-users
• Configure and optimize the automated testing and deployment systems used to maintain over 1000+ crawlers across the company
• Analyze data and bugs that require in-depth investigations
• Interface directly with external customers including managing relationships and steering requirements

• Extremely effective, self-driven builder
• 2+ years of experience as a backend software engineer
• 2+ years of experience with Python
• 2+ years of experience with AWS services such as EC2, S3, Lambda, etc.
• Should have managed a team of software engineers
• Deep experience with network debugging across all OSI layers (Wireshark)
• Knowledge of networks or/and cybersecurity

• Broad understanding of the landscape of software engineering design patterns and principles
• Ability to work quickly and accurately in a highly stressful environment during removing bugs in run-time within minutes
• Excellent communicator, both written and verbal

• Must be available to work extended hours and weekends when needed to meet critical deadlines
• Must have an aversion to politics and BS. Should let his/her work speak for him/her.
• Must be comfortable with uncertainty. In almost all the cases, your job will be to figure it out.
• Must not be bounded to comfort zone. Often, you will need to challenge yourself to go above and beyond.

We are looking for a seasoned full-stack developer(JavaScript) to build out and manage our Web and API infrastructure. Successful candidates will have a minimum of three years’ recent experience with all of the skills listed below.

Our project entails implementing our pre-approved UI, constructing our API, connecting the two, and setting up our cloud infrastructure. This includes all associated areas such as database and architecture design.

• Design and implementation of the overall web architecture
• “Pixel-perfect” implementation of our approved user interface
• Ensuring the entire stack is designed and built for speed and scalability
• Design and construction of our REST API and integration with front-end
• Design and implementation of continuous integration and deployment
• Write clean, great quality, scalable and maintainable code with thorough testing
• Troubleshoot, test and maintain the products and databases to ensure strong optimization and functionality

At least two years’ experience with:

• Writing HTML, CSS, and JavaScript. Being up on latest practices is a must, e.g., HTML5, CSS3, and ECMAScript 6 (minimum)
• A relevant experience in back-end programming with NodeJS
• A relevant experience in front-end programming with ReactJS
• Database design and management of MySQL and DynamoDB
• Cloud infra management and deployment for the relevant environment
• Ideally, familiarity with Sass and Webpack
• Thorough understanding of user experience and possibly even product strategy
• Experience implementing testing platforms and unit tests
• Proficiency with Git
• Appreciation for clean and well documented code
• Knowledge of Serverless Framework and AWS Lambda is a plus.