React / Firebase Konnex Web Developers

Key Responsibilities & Skills

Strong hands-on experience in React.js, Node.js, Express.js, MongoDB

Ability to lead and mentor a development team

Project ownership – sprint planning, code reviews, task allocation

Excellent communication skills for client interactions

Strong decision-making & problem-solving abilities

Nice-to-Have (Bonus Skills)

Experience in system architecture design

Deployment knowledge – AWS / DigitalOcean / Cloud

Understanding of CI/CD pipelines & best coding practices

Why Join InfoSparkles?

Lead from Day One

Work on modern & challenging tech projects

Excellent career growth in a leadership position

Strong MERN / Frontend Developer Profile

Mandatory (Experience 1): Must have 2+ years of hands-on experience in software development using MERN stack (MongoDB, Express.js, React.js, Node.js)

Mandatory (Experience 2): Must have 1+ years of frontend development experience with React.js, HTML5, CSS3, JavaScript (ES6+);

Mandatory (Experience 3): Must have experience with Next.js (SSR/SSG, API routes, Server Actions)

Mandatory (Experience 4): Hands-on experience in building RESTful APIs using Node.js and Express.js

Mandatory (Experience 5): Experience writing unit test cases using Mocha, Chai, Jest (or similar), and working in Agile/Scrum environments

Preferred

Preferred (Experience) – Exposure to GCP/AWS/DevOps and cloud-native development

Preferred (Educataion) – B.E /B.Tech /BCA

Job Title:

Senior Full Stack Developer

Experience: 5 to 7 Years. Minimum 5yrs FSD exp mandatory

Location: Bangalore (Onsite)

About ProductNova:

ProductNova is a fast-growing product development organization that partners with ambitious companies to build, modernize, and scale high-impact digital products. Our teams of product leaders, engineers, AI specialists, and growth experts work at the intersection of strategy, technology, and execution to help organizations create differentiated product portfolios and accelerate business outcomes.

Founded in early 2023, ProductNova has successfully designed, built, and launched 20+ large-scale, AI-powered products and platforms across industries. We specialize in solving complex business problems through thoughtful product design, robust engineering, and responsible use of AI.

What We Do

Product Development

We design and build user-centric, scalable, AI-native B2B SaaS products that are deeply aligned with business goals and long-term value creation.

Our end-to-end product development approach covers the full lifecycle:

● Product discovery and problem definition

● User research and product strategy

● Experience design and rapid prototyping

● AI-enabled engineering, testing, and platform architecture

● Product launch, adoption, and continuous improvement

From early concepts to market-ready solutions, we focus on building products that are resilient, scalable, and ready for real-world adoption. Post-launch, we work closely with customers to iterate based on user feedback and expand products across new use cases, customer segments, and markets.

Growth & Scale

For early-stage companies and startups, we act as product partners—shaping ideas into viable products, identifying target customers, achieving product-market fit, and supporting go-to-market execution, iteration, and scale.

For established organizations, we help unlock the next phase of growth by identifying opportunities to modernize and scale existing products, enter new geographies, and build entirely new product lines. Our teams enable innovation through AI, platform re-architecture, and portfolio expansion to support sustained business growth.

Role Overview

We are looking for a Senior Full Stack Developer with strong expertise in frontend development using React JS, backend microservices architecture in C#/Python, and hands-on experience with AI-enabled development tools. The ideal candidate should be comfortable working in an onsite environment and collaborating closely with cross-functional teams to deliver scalable, high-quality applications.

Key Responsibilities:

• Develop and maintain responsive, high-performance frontend applications using React JS

• Design, develop, and maintain microservices-based backend systems using C#, Python

• Experienced in building Data Layer and Databases using MS SQL, Cosmos DB, PostgreSQL

• Leverage AI-assisted development tools (Cursor / GitHub Copilot) to improve coding

efficiency and quality

• Collaborate with product managers, designers, and backend teams to deliver end-to-end

solutions

• Write clean, reusable, and well-documented code following best practices

• Participate in code reviews, debugging, and performance optimization

• Ensure application security, scalability, and reliability

Mandatory Technical Skills:

• Strong hands-on experience in React JS (Frontend Coding) – 3+ yrs

• Solid experience in Microservices Architecture C#, Python – 3+ yrs

• Experience building Data Layer and Databases using MS SQL – 2+ yrs

• Practical exposure to AI-enabled development using Cursor or GitHub Copilot – 1yr

• Good understanding of REST APIs and system integration

• Experience with version control systems (Git), ADO

Good to Have:

• Experience with cloud platforms (Azure)

• Knowledge of containerization tools like Docker and Kubernetes

• Exposure to CI/CD pipelines

• Understanding of Agile/Scrum methodologies

Why Join ProductNova

● Work on real-world, high-impact products used at scale

● Collaborate with experienced product, engineering, and AI leaders

● Solve complex problems with ownership and autonomy

● Build AI-first systems, not experimental prototypes

● Grow rapidly in a culture that values clarity, execution, and learning

If you are passionate about building meaningful products, solving hard problems, and shaping the future of AI-driven software, ProductNova offers the environment and challenges to grow your career.

Full Stack Architect

• Design overall architecture of the web based platform in the space of Analytics and Application Security.
• Maintain quality and ensure responsiveness of applications.
• Collaborate with the rest of the engineering team to design and launch new features.
• Maintain code integrity and organization.
• Experience working with graphic designers and converting designs to visual elements.
• Understanding and implementation of security and data protection.
• Highly experienced with back-end programming languages – Python with Flask
• Proficient experience using JavaScript libraries and frameworks – ReactJS, Redux
• Proficient in Non-SQL DB like Mongo
• Well versed with Cloud Engineering like AWS
• Good Understanding of Containerisation like Docker, Kubernetes
• Application Development experience for both mobile and desktop.
• Experience with cloud message APIs and usage of push notifications.
• Understands Microservices Design.
• Knowledge of code versioning tools like Bitbucket
• Create security and data protection settings
• Build features and applications with a mobile responsive design
• Comfortable working on Design documentation

Work with data scientists and analysts to improve software.

Full Stack Developer Job Description:

1. Knowledge in MERN Stack is mandatory

2. Work with development teams and product managers to ideate software solutions

3. Design client-side and server-side architecture

4. Conduct Testing & Debugging, utilize script tools & write basic codes for design specifications

5. Build the front-end of applications through appealing visual design

6. Develop and manage well-functioning databases and applications

7. Write effective APIs

8. Troubleshoot, debug and upgrade software

9. Create security and data protection settings

10. Build features and applications with a mobile responsive design

11. Write technical documentation

12. Work with data scientists and analysts to improve software

Technical Skills

Front-end:

Mandatory Technical Skills: ReactJS, ES6, Context API, GraphQL, Redux, Payment Gateway
Not Mandatory skills: Redux saga, Gatsby, Git Pipeline, Deployment on Cloud AWS/Azure/Google

Back-end:

Mandatory Technical Skills: NodeJS, ES6, Express, Apollo Server, Send Grid Email, Twilio SMS, Payment Gateway,
Exception Management, Error Loggin, API Developement, API Security, PostGreSQL/MSSQL/MySQL, MongoDB/CouchDB
Not Mandatory: Docker Deployment, Git Pipeline, Auto Deployment, AWS/Azure/Google, NestJS

Job roles and responsibilities

• Design and implement key components of our technical infrastructure, including services supporting payments, lottery results, user management, and game mechanics
• Design and implement user-facing features for Web, iOS, and Android applications
• Take ownership of mission-critical functionality that is consumed by our mobile, web, and internal applications
• Work as a team with your peers, collaborating on architecture, mentoring teammates, and pushing our entire stack forward
• Stay up to date on the latest innovations in our industry and in our tech stack
• Integrating with and managing third-party APIs as well as designing and developing APIs for partners and peers
• Work with the product team to keep the roadmap realistic, on track, and groomed
• Capable of writing technical specs and documenting work
• Management of Jira, Git, AWS, Heroku, and other platform systems

Competencies and Skills Required

1. Requires excellent analytical, problem-solving, and good communications skills
2. Must be able to work effectively with business stakeholders
3. Able to understand requirements and implement complete business solutions for our industry
4. Must possess strong customer service skills
5. Excellent written and verbal communication
6. Must have excellent interpersonal skills

Required Skills:

• .NET Core 
• C#
• Web API
• Aware of Microservice concepts
• MongoDB 
• Excellent communication
  
  

Docker, Kubernetes, and Linux knowledge is desirable. Having worked in a product development environment is desirable. Having worked in the finance and banking domain is desirable.