Full Stack Developer (MERN)

Role Overview

We are looking for an Engineering Manager who thrives in a fast-paced startup environment, is hands-on with development, and can lead our engineering team to build and scale robust, high-performing systems. You will drive architectural decisions, mentor a team of talented engineers, and collaborate closely with product, design, and business teams to execute our ambitious roadmap. You will be at the forefront of scaling our infrastructure to support billions of messages, ensuring real-time engagement for businesses at scale.

Key Responsibilities

• Technical Leadership: Own the engineering roadmap, ensuring scalability, reliability, and performance of our systems.
• Hands-on Development: Dive into the code when necessary, set high coding standards, and lead by example.
• Team Management: Lead, mentor, and scale a high-performing engineering team, fostering a strong culture of ownership and innovation.
• System Scalability: Architect and optimize scalable and resilient backend & frontend systems handling millions of messages per day.
• High Availability & Performance: Design systems that can handle billions of API calls and ensure minimal downtime.
• Agile Execution: Drive sprint planning, prioritization, and timely delivery of features in an agile development environment.
• Collaboration: Work closely with product, design, and business teams to align engineering efforts with company goals.
• DevOps & Security: Ensure best practices for CI/CD, cloud infrastructure (AWS/GCP), and security compliance.
• Tech Stack Evolution: Stay ahead of emerging technologies and drive innovation in AiSensy’s architecture.

What You Bring

• 8+ years of experience in software development, with at least 2 years in a leadership/managerial role.
• Expertise in modern tech stacks – Proficiency in MERN (MongoDB, Express, React, Node.js) stack or similar.
• Strong knowledge of cloud platforms (AWS) and microservices architecture.
• Proven experience in scaling high-traffic, distributed systems handling billions of messages per month.
• Hands-on experience with Docker, Kubernetes, and CI/CD pipelines.
• Strong problem-solving skills and an ability to hustle in a fast-paced startup environment.
• Excellent communication skills and a data-driven decision-making approach.
• Passion for building great products, coaching engineers, and driving tech excellence.

What We Offer

• Competitive Compensation & Benefits aligned with your experience and the impact you bring.
• Opportunity for Growth in a rapidly expanding B2B SaaS company.
• Cutting-Edge Technology & Projects in the WhatsApp Business API and Click to WhatsApp Ads space.
• Collaborative Work Environment that fosters innovation, learning, and career development.
• Flexible & Inclusive Culture, where every team member has a voice and the chance to make a significant impact.

We are seeking a highly skilled and experienced MERN (MongoDB, Express.js, React, Node.js) Stack Developer to join our dynamic development team. As a MERN Stack Developer, you will be responsible for designing, developing, and maintaining scalable web applications using the MERN stack framework.

• Strong proficiency in JavaScript, including DOM manipulation and the JavaScript object model.
• Expertise in backend programming with Node.js and MongoDB.
• Experience with React.js and redux.
• Material UI and 3rd party libraries.
• Experience with clean code writing practices like avoiding callback hell like promises, async.
• Thorough understanding of Node.js and its core principles.
• Experience with popular React.js workflows (such as Flux or Redux).
• Familiarity with newer specifications of ECMAScript.
• Experience with data structure libraries (e.g., Immutable.js).
• Familiarity with RESTful APIs.
• Knowledge of modern authorization mechanisms, such as JSON Web Token.
• Familiarity with modern front-end builds pipelines and tools.
• A knack for benchmarking and optimization.
• Familiarity with code versioning tools (such as Git, SVN, and Mercurial).

Responsibilities:

• Build Node.js APIs using microservices.
• Rewriting backend code with microservices architecture & Unit tests.
• 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.
• 
  

If you are a passionate MERN Stack Developer looking for an exciting opportunity to work on challenging projects and be part of a talented team, we would love to hear from you. Please submit your application, including your resume and portfolio, highlighting your relevant experience and projects.

About Us

Zentosys Solutions Pvt. Ltd. is a technology-driven IT services company specializing in modern web and mobile application development. We empower businesses worldwide with innovative, scalable, and efficient software solutions. Be a part of our dynamic team and contribute to building impactful digital products.

Responsibilities

• Develop, maintain, and optimize full-stack applications using modern technologies.
• Implement backend logic using Node.js, TypeScript, and frameworks like Express.js or NestJS.
• Build intuitive, responsive, and high-performance frontend applications using React.js, Next.js, or similar frameworks.
• Design and integrate RESTful APIs and ensure seamless communication between front-end and back-end systems.
• Utilize CI/CD pipelines for automated deployment and continuous integration.
• Manage and optimize cloud infrastructure using AWS services.
• Debug, troubleshoot, and ensure application reliability and performance across the stack.
• Design database schemas and manage MongoDB for efficient data handling.
• Collaborate with cross-functional teams, including DevOps, designers, and product managers, to deliver high-quality solutions.
• Stay updated with the latest technologies, frameworks, and best practices in software development.

Requirements

• Experience: 2+ years in full-stack development.
• Strong expertise in Node.js, TypeScript, and backend frameworks like Express.js, NestJS, or Fastify.
• Proficiency in frontend technologies like React.js, Next.js, HTML5, CSS3, and JavaScript (ES6+).
• Hands-on experience with CI/CD pipelines and tools such as Jenkins, GitHub Actions, GitLab CI, or similar.
• Practical knowledge of AWS services, including EC2, S3, RDS, Lambda, and IAM.
• Experience with database schema design and management using MongoDB.
• Strong problem-solving skills with a logical and analytical approach to challenges.
• Familiarity with Git for version control and collaboration in a team environment.
• Excellent communication and teamwork skills to contribute effectively in a collaborative setting.

Preferred Skills

• Exposure to GraphQL for API development.
• Knowledge of Docker and container orchestration.
• Familiarity with Serverless Framework for deploying cloud-native applications.
• Experience with testing frameworks like Jest, Mocha, or Cypress.
• Understanding of state management libraries like Redux, Zustand, or similar.
• Hands-on experience with Terraform or other infrastructure-as-code tools.

What We Value

• Problem Solvers: Professionals who can tackle challenges with creativity and precision.
• Team Players: Individuals who thrive in a collaborative, dynamic environment.
• Growth Mindset: Developers who are eager to learn, adapt, and grow with the organization.

What We Offer

• Competitive salary in the range of ₹6 LPA to ₹15 LPA based on skills and experience.
• Work on diverse and impactful projects for a global clientele.
• A culture that encourages innovation, professional growth, and skill enhancement.
• Flexible working hours and a healthy work-life balance.
• Exposure to cutting-edge technologies and tools.

Job Type: Full-time

Pay: ₹600,000.00 - ₹1,500,000.00 per year

Benefits:

• Provident Fund

Schedule:

• Monday to Friday

Education:

• Bachelor's (Required)

Experience:

• Full-stack development: 2 years (Required)

Work Location: In person

Expected Start Date: 05/02/2025

• Design and build applications/systems based on wireframes and product requirements documents
• Work on back-end & front-end development of core scripts using NodeJS/ MongoDB/React.js/Angular/Express /Redux.
• Unit test code for robustness, including edge cases, usability and general reliability
• Write reusable, easy to maintain, versioned code using DRY principles
• Integrate existing tools and business systems (in-house tools)
• Good exposure in creating dynamic web pages
• Familiarity with Server-Oriented Architecture and RESTful Web Services
• Mentor junior team members on system architecture, coding styles and inculcate an attitude of continuous improvement in the team members

Stalwart Themius is currently seeking a highly motivated and experienced Project Manager to join our client's team in Mumbai. This role will involve providing virtual support to production processes in various areas of the food industry. Our client, with over 70 years of research and development experience, is known for their innovative high-tech solutions. Their intelligent sensor systems enable businesses to achieve optimal quality and efficiency in their production processes.

• Role: Project Manager:
• Experience: 10+ years overall and at least 5+ years of experience as a Project Manager
• Location: Airoli, Navi Mumbai (Hybrid)

If you have a passion for the world of intelligent machines, this exclusive opportunity is perfect for you. As a key member of the team, you will work closely with the Director of Engineering, participating in all aspects of the development cycle. Your primary focus will be fostering effective communication between different teams across locations and ensuring the delivery of a world-class product. This role is crucial and responsible for the entire Mumbai development team and delivery. The ideal candidate must have a strong background in Project Management and prior experience in team management.

Responsibilities:

• Establish and implement training processes and strategies for all technical personnel
• Analyze, plan, and develop requirements and standards for scheduled projects
• Assign and oversee daily tasks of technical personnel, ensuring active progress toward established milestones
• Conduct regular technical team meetings to assess progress
• Define clear deliverables, roles, and responsibilities for staff members involved in specific projects or initiatives
• Recruit and train exceptional employees to fill technical department positions
• Take ownership of projects and solutions within the business initiative

Mandatory Skills:

• Hands-on experience with Deployment, Docker, Node.js, ReactJS, MongoDB, and web design principles
• Strong understanding of cloud computing
• Proficiency in systems development and lifecycle methodologies
• Solid technical background with the ability to address accessibility and compatibility issues
• Familiarity with industry-standard tools for assessing work quality and providing improvement suggestions
• Excellent written and verbal communication skills
• Strong problem-solving and critical-thinking abilities
• Ability to work calmly under pressure and meet deadlines
• A team player with the capacity to work independently when necessary
• Minimum 10+ years of experience with 5+ years of people management skills and 5+ years of technical skills
• Demonstrated leadership, interpersonal, organizational, and problem-solving skills

Preferred Skills:

• Master's degree in Project Management or a related technical field
• Professional Project Management Certification from an accredited institution
• Demonstrated understanding of Project Management processes, strategies, and methods
• Experience mentoring, coaching, and developing talent in the technology department
• Excellent time management and organizational skills, with expertise in establishing guidelines for others in these areas
• Managerial experience applying analytical thinking and problem-solving skills
• A proactive approach to identifying and addressing potential challenges

About Client

Our Client is a Full-Funnel Programmatic Marketing platform of choice for leading digital marketers globally across CPG, Tech, B2B, Retail, Travel, BFSI, Gaming, Autos, Telco, Real Estate, Education and other industry verticals.

They empowers businesses to engage with their customers and audiences through all stages of the marketing funnel:
1. Brand awareness
2. Prospecting
3. Remarketing, and
4. Re-engagement, including reselling, up-selling and audience monetization.

 We transform Data into Actionable Insights and ROI for Marketers.
We are pioneers in the Programmatic Ad tech space, and are ranked in the Top 20 Digital Marketing Providers by CIO Review.

We are a mix of industry veterans from top B schools and a bright young team of marketers, data scientists and analysts. If you are looking for a great team to work with and make a career for yourself in AdTech, 

Job Description – FullStack Developer

We are looking for a fullstack developer to be part of our tech team. If you are coding ninja and are motivated by the joy of creating scalable products and platforms this the role for you

1. You should have 2+ years of quality experience in building scalable digital products/platforms as a fullstack developer
2. Experience in big data analytics and engineering would be plus
3. You should have good command over Data Structure, Algorithms.
4. Experience working with NoSQL & SQL Databases like Mysql, MongoDB, ElasticDB, Redis etc.
5. You should have experience with react.js on the front-end, and python/mysql/big query/google cloud on the backend layer.
6. It's ok if you don't have good answers, but to have smart questions that uncover risks and opportunities, you need the depth that comes with willingness and capability to be hands-on. Do you still code? Do you love to code? Do you love to roll up your sleeves and debug things?
7. You should enjoy going deep into that part of the 'full stack' that you are not an expert of?

Requirements

Qualifications and Experience: -

1.BE/MCA/MCS with 2-3 experience

2.Prito experience in working on product/platform development would be plus

3.Strong analytical, problem-solving and bias to action

 our core values are 1) Transparency, 2) Bias for Action, 3) Persistence with Adaptability, 4) Curiosity and 5) Humility. We believe that successful people have more failures than average people have attempts. And that success needs the creative mindset to deal with ambiguities when you start, the persistence and humility to iterate and course correct, and the courage to handle failure and rise up again..

Benefits

• Fixed Salary + ESOP
  
  
• Insurance for family 
  
  
• Company meals 
  
  
• Company events 

• Key Result Areas

1. End to end ownership in the consumer facing B2C tech team and deliver solutions to solve business problems.

1. Advanced Javascript, CSS, HTML 5, D/XHTML, XML, JSON, DOM Concepts

1. Must have worked on a SPA framework: ReactJS, Node JS, AngularJS or InfernoJS

1. Own the development methodology. Align with the executive team to improve the development process, prioritize projects and manage multiple work streams

1. Extensive Work with open-source technologies and built services architecture as this will prove to be an invaluable asset in building solutions.

1. Lead a team of Software Developers, Server Engineers and QA Engineers, establishing development practices and standards

1. Extensive skill on React JS, Node JS

1. Experience on various PHP frameworks like Cakephp, Laravel, CI etc would be plus

1. Work with scrum teams and product managers using agile methodologies to deliver high quality solutions on time
2. Jumping on a call with clients to understand the requirement and profile them the right solution, helping formulate an effective solution and turning it into a working application
3. Conducting website performance and unit tests
4. Heavy involvement in the requirements gathering, development and operational stages of new projects
5. Troubleshoot and debug related application defects with existing and new applications
6. Work collaboratively with the frontend team and other team members, train other members and get trained if required

Will be developing mobile and web applications using latest technology. Should be good in analysing requirements and translate into applications. Good in understanding application flows.

Tech Skills –

MEAN (MongoDB, Express, Angular/React, Node.js) – Expert level - at least 2-3 full sized projects

Cloud technology – Familiar with using cloud technology (AWS, GCP etc) – Intermediate – Should be able to interact with the services from cloud (e.g. firebase etc)

HTML, CSS, Bootstrap, Java script – Intermediate level - Good understanding of concepts and should be able to realize application screens based on the UI provided by designers

Mobile technology – Hybrid (ionic, Cordova, capacitor, flutter), Native (Android, iOS) – Beginner – Should have understanding of concepts, good with basics