



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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We are looking for an experienced Full Stack Developer with at least 2 years of hands-on experience to join our team remotely.
About Pullse
Pullse is a cutting-edge SaaS startup on a mission to revolutionize customer support with AI-driven solutions. Our platform centralizes support channels, streamlines workflows, and enhances customer experiences with automation. We believe in empowering our team with freedom, transparency, and the opportunity to make a meaningful impact.
The Role
As a Full Stack Developer, you will work across our tech stack to design, develop, and deliver innovative solutions that drive the next generation of customer support platforms. You will play a key role in building a robust, scalable, and high-performance application.
Our Tech Stack
Frontend: React.js, React Flow
Backend: Node.js, Fastify, Python
Database: MongoDB
Real-Time Communication: WebSockets
Workflow Orchestration: Temporal
Email Services: MailGun
Cloud Infrastructure: Azure
Key Responsibilities
- Develop and maintain responsive, user-friendly UIs using React.js and React Flow.
- Design and build scalable APIs and backend services using Node.js and Fastify.
- Work on real-time communication features with WebSockets.
- Optimize data storage and workflows using MongoDB and Temporal.
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- Collaborate with cross-functional teams to design and implement new features.
- Write clean, maintainable, and efficient code while following best practices.
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Who You Are
- Experience: At least 2 years of experience in full-stack development.
- Strong knowledge of React.js, Node.js, and backend frameworks like Fastify.
- Experience with MongoDB and real-time systems using WebSockets.
- Familiarity with cloud infrastructure (preferably Azure) and workflow orchestration tools like Temporal.
- Bonus: Experience with Python and email platforms like MailGun.
- Problem-Solver: Analytical thinker with a knack for solving complex challenges.
- Team Player: Excellent communication skills and a collaborative mindset.
- Learner: Passion for learning and staying updated with the latest technologies.
What We Offer
- Competitive Salary: Up to INR 6.5 LPA.
- ESOPs: Up to 0.5% to share in our growth journey.
- Flexibility: Work remotely with a supportive and dynamic team.
- Growth: Be part of an early-stage startup where your work directly impacts the product and company.

Roles & Responsibilities
- You will be a key member in building modern web application platforms.
- Building user interfaces for management products
- Creating wireframes, prototypes based on the requirements.
- Building api for UI backend.
- Provide assistance in the up-gradation and maintenance of web applications.
Job Requirements
- 3 to 5 years of web development experience is required.
- Hands-on experience with api and microservice development.
- Proficiency with fundamental front-end languages such as JavaScript, HTML, CSS.
- Proficiency with JavaScript frameworks such as ReactJs.
- Proficiency with server-side languages such as NodeJs, Java, GoLang, etc.
- Exposure to wireframing and prototyping.
- Familiarity with database technology such as MongoDB.
- Good to have:
- Experience in UX design.
- Working experience on Linux environments.
- Working experience on Docker and Kubernetes.
- Working experience in microservices.
- Knowledge of the networking domain.


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
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- 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

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Salary - 15-20 LPA
About the Company
The company is one of the fastest-growing B2B SAAS Marketplace to procure industrial materials. The startup is generating an Annual Revenue of Rs. 100 Crore. You will get to work in a fast-paced environment with a brilliant agile tech team led by top engineers.
Location: Pune, 3 months Remote then Work from Office or Hybrid Working
Qualifications & Criteria
1. 3+ Years of development experience in the full-stack development (preferred MERN technology stack). Should be proficient in working with technologies like JavaScript, CSS, and JS with frameworks like NodeJs and ReactJS.
2. Should have good knowledge of databases like Linux.
3. As part of the brains of the startup, You are smart, creative, and love solving business challenges and thereby find new ways to propel the growth of the company.
4. You are passionate about the growth and want to become a future technical leader within the company. Your work and attitude should reflect your commitment for the same.
Responsibilities:
1. Should be able to work independently once proper guidance is provided.
2. Knowledge of professional software engineering practices & best practices for the full software development life cycle, including coding standards, code reviews, source control management, build processes, testing, and operations
3. Ensure timely completion of development activity.
4. Prepare training documents and provide training to internal teams on tools.
5. Consult, design, and develop well-structured, scalable in-house tools.
6. Should be able to write optimized business logic for business functions

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- Create decoupled, interactive web UIs using JavaScript (Angular, jQuery)
- Aid in the development and ongoing maintenance of our DevOps platform (Ansible)
- Provide technical advice and recommendations for language and software choices.
- Develop code that is cross-browser and cross-platform friendly
- Collaborate with project stakeholders to ensure all requirements are met
- Evaluate technologies and manage technical planning
- Support and ongoing development for existing projects
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- Fix bugs and resolve ongoing issues
- Strong writing and speaking skills (English)


Proficient in working with systems infrastructure, creating, querying, and manipulating databases, APIs, and integrations.
Deep expertise and hands-on experience with Web Applications and programming languages such as HTML, CSS, JavaScript, JQuery, and API's.
SKILLs
Required Technical Experience: Frontend code (HTML5/CSS, ReactJS, D3JS) and web stack back-end technologies (.net Core, NodeJs), MongoDB, Docker, Git, Jenkins
Preferred Technical Experience: React/ Redux/Hook, GraphQL, HANA-SQL, Redis, Golang, Kafka, etc.
Implement Security OAuth/JWT solutions for the different API Scenarios
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