



We are seeking a highly skilled Team Lead – MERN Stack Developer to lead the development and delivery of scalable, maintainable, and high-performance applications using MongoDB, Express.js, React.js, and Node.js. The ideal candidate will have strong technical expertise, leadership skills, and a passion for building innovative solutions. If you have experience in microservices, micro-frontends, message queues, Redis, CI/CD, and best practices for large-scale applications, we’d love to have you on our team.
Key Responsibilities
Technical Leadership & Team Management
- Lead and mentor a team of developers, ensuring smooth collaboration, technical growth, and high-quality deliverables.
- Assign tasks, set priorities, track progress, and ensure project deadlines are met.
- Conduct code reviews to maintain coding standards, ensure maintainability, and improve code quality.
- Promote a culture of innovation, continuous learning, and problem-solving.
- Architect and implement microservices, micro-frontends, and modular micro-apps for scalable and maintainable solutions.
- Collaborate with stakeholders to translate business requirements into technical designs and implementation plans.
- Optimize performance and scalability for large-scale applications with dynamic data flows.
Backend Development (Node.js & Express.js)
- Design and implement secure, scalable backend structures and APIs.
- Develop reusable tools and libraries to support a microservices architecture.
- Handle error management and debugging for seamless application functionality.
- Work with message queues like RabbitMQ, Kafka, or Redis for event-driven communication.
- Use tools like New Relic or Prometheus to monitor and debug production systems.
- Solve challenging technical problems with smart, scalable solutions.
Database Management (MongoDB)
- Design efficient and scalable database schemas for large-scale projects.
- Optimize database performance using indexing, aggregation, and advanced querying techniques.
- Leverage MongoDB features like sharding and replication to handle large datasets efficiently.
Frontend Development (React.js & JavaScript)
- Build and optimize reusable, high-performance React.js components and dynamic user interfaces.
- Develop robust solutions for complex UI interactions, including drag-and-drop functionality.
- Implement efficient state management using Redux, Context API, or React Query.
- Optimize web performance, including DOM manipulation, memory management, and responsiveness.
- Ensure applications adhere to WCAG accessibility standards and provide excellent user experiences.
Best Practices & Continuous Improvement
- Define and enforce coding standards, workflows, and best practices for high-quality development.
- Develop and maintain CI/CD pipelines for automated testing and deployment.
- Write secure and robust code to protect against vulnerabilities like XSS and CSRF.
- Regularly monitor and optimize application performance, security, and scalability.
- Stay updated on the latest trends in MERN stack technologies and software development practices.
- Collaborate with DevOps teams for containerized deployments using Docker and Kubernetes.

About Saeculum Solutions Pvt Ltd
About
Saeculum Solutions Pvt Ltd is an emerging company and is always looking to hire fresh enthusiastic talents to join our growing team. We believe in delivering the best services to our clients and therefore we only hire talents who are all-rounders and who say “All-is-Well” to all projects. So, if you share the same passion and vision, join our team today..!
Tech stack





Candid answers by the company
- Web Application Development
- Mobile Application Development
- Hire Dedicated Developers
- Front-end Development
- SaaS Product Development
- UI / UX Design
- CMS Development
- QA & Software Testing
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Job Requirements
Must have:
- Experience working on Node.js with Typescript and Express.
- Experience working with SQL and NoSQL databases. Experience with PostgreSQL and DynamoDB would be preferred.
Nice to have:
- Experience in ReactJS and its main fundamentals like JSX, Virtual DOM, component lifecycle, etc.
- Strong proficiency in JavaScript, object model, DOM manipulation and event handlers, data structures, algorithms.
- Knowledge of Unit testing frameworks
.
Job Responsibilities
- Design, build and maintain software applications.
- Write well-designed, testable, efficient code by using best software development practices.


Full Stack Developer Job Description:
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Knowledge in MERN Stack is mandatory
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Work with development teams and product managers to ideate software solutions
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Design client-side and server-side architecture
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Conduct Testing & Debugging, utilize script tools & write basic codes for design specifications
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Build the front-end of applications through appealing visual design
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Develop and manage well-functioning databases and applications
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Write effective APIs
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Troubleshoot, debug and upgrade software
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Create security and data protection settings
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Build features and applications with a mobile responsive design
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Write technical documentation
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Work with data scientists and analysts to improve software
Produce high-quality code and experience with security implementations Identifying application security risks and Implementing security patches procedures.
Stronghold on MongoDB and experience on other No SQL databases.
Experience with Graph, Payment Gateway, Node.js process management and web sockets like socket.io
Experience on Integration of multiple data sources and databases into one system.
Must have good knowledge of Object-Oriented JavaScript, ES6, or Typescript.
Good knowledge of coding standards, design patterns, unit testing.
Stronghold on Data Structures and Algorithms.
Expertise in building scalable & reliable systems.
Good Experience in working with technologies like AWS.
Strong problem solving and analytical skills.
Able to architect large software from scratch.
Strong problem solving and analytical skills.
Able to architect large software from scratch.


Responsibilities
- Developing new user-facing features using React.js
- Building reusable components and front-end libraries for future use
- Translating designs and wireframes into high quality code
- Optimizing components for maximum performance across a vast array of web-capable devices and browsers
Skills
- Strong proficiency in JavaScript, including DOM manipulation and the JavaScript object model
- Thorough understanding of React.js and its core principles
- Experience with popular React.js workflows (such as Flux or Redux)
- Knowledge of isomorphic React is a plus
- Familiarity with RESTful APIs
- Knowledge of modern authorization mechanisms, such as JSON Web Token
- Experience with common front-end development tools such as Babel, Webpack, NPM, etc.
- Ability to understand business requirements and translate them into technical requirements
- A knack for benchmarking and optimization
- Familiarity with code versioning tools such as Git, SVN, and Mercurial


What is the role?
You will be responsible for architecting and developing features on the application end to end. You will work closely with the Product Managers and the Technical architect to develop high-quality, resilient, and highly performant applications.
Key Responsibilities
- Design and develop SaaS-based applications based on microservices architecture.
- Work on the core backend and ensure it meets the performance benchmarks.
- Work on the front end with ReactJS.
- Designing and developing APIs for the front end to consume.
- Constantly improve the architecture of the application by clearing the technical backlog.
- Meeting both technical and consumer needs.
- Staying abreast of developments in web applications and programming languages.
What are we looking for?
An enthusiastic individual with the following skills. Please do not hesitate to apply if you do not match all of them. We are open to promising candidates who are passionate about their work and are team players.
- Education - BE/MCA or equivalent.
- Overall 4+ years of experience.
- Agnostic/Polyglot with multiple tech stacks.
- Worked on open source technologies – NodeJS, ReactJS, MySQL, NoSQL, MongoDB, DynamoDB.
- Good experience with Front-end technologies like JavaScript frameworks, ReactJS, and AngularJS.
- Backend exposure – good knowledge of building API.
- Worked on serverless technologies.
- Efficient in building microservices in combining server & front-end.
- Knowledge of cloud architecture.
- Should have sound working experience with relational and columnar DB.
- Should be innovative and communicative in approach.
- Will be responsible for functional/technical track of a project.
Who will you work with?
You will closely work with the engineering team and support the Product Team of Plum.
What can you look for?
A wholesome opportunity in a fast-paced environment that will enable you to juggle between concepts, yet maintain the quality of content, interact, and share your ideas and have loads of learning while at work. Work with a team of highly talented young professionals and enjoy the benefits of being at this company
We are
It is a rapidly growing fintech SaaS firm that propels business growth while focusing on human motivation. Backed by Giift and Apis Partners Growth Fund II, Company offers a suite of three products - Plum, Empuls, and Compass. works with more than 2000 clients across 10+ countries and over 2.5 million users. Headquartered in Bengaluru, It is a 300+ strong team with four global offices in San Francisco, Dublin, Singapore, New Delhi.
Way forward
We look forward to connecting with you. As you may take time to review this opportunity, we will wait for a reasonable time of around 3-5 days before we screen the collected applications and start lining up job discussions with the hiring manager. We however assure you that we will attempt to maintain a reasonable time window for successfully closing this requirement. The candidates will be kept informed and updated on the feedback and application status.
Details:
- Should have Experience of Java/J2EE Developer
- Must have Full Stack Development experience.
- Must have SQL Knowledge and a good understanding of Procedures.
- Need 4 or 6 Years of Experience Candidates.
- Should be from a Product Based Company or should have 1 Year of Prior Experience in Product Based Companies.


Qualifications
- 3+ years of experience in development using Python OR Node.js
- Experience with React.js
- Previous experience with Shopify customization is desirable
- Bachelor’s degree in computer science or related field





We are looking for a full stack developer to produce scalable software solutions.
As a full stack developer, you should be comfortable around both front-end and back-end coding languages, development frameworks and third-party libraries. You should also be a team player with a knack for visual design and utility.
If you’re also familiar with Agile methodologies, we’d like to meet you.
Responsibilities:
- Developing front end website architecture.
- Designing user interactions on web pages.
- Developing back end website applications.
- Creating servers and databases for functionality.
- Ensuring cross-platform optimization for mobile phones.
- Ensuring responsiveness of applications.
- Working alongside graphic designers for web design features.
- Seeing through a project from conception to finished product.
- Designing and developing APIs.
- Meeting both technical and consumer needs.
- Staying abreast of developments in web applications and programming languages.
Requirements:
- Degree in Computer Science or related field
- Strong organizational and project management skills.
- Proficiency with fundamental front end languages such as HTML, CSS and JavaScript.
- Familiarity with JavaScript frameworks such as Angular JS, React and Amber.
- Proficiency with server side languages such as Python, Ruby, Java, PHP and .Net.
- Familiarity with database technology such as MySQL, Oracle and MongoDB.
- Excellent verbal communication skills.
- Good problem solving skills.
- Attention to detail.
Reporting directly to the Founder
The job requires a great deal of responsibility early on, but we're working on something exciting and there's lots of opportunity of growth and learning.
The job is full-time, remotely based, and with flexible hours.



