Fullstack Developer

Job Title : Senior Full Stack Developer (Dashboard Applications)

Experience : 7+ Years

Location : Gurgaon (Mandatory)

Duration : 6 to 9 Months Contract (Initial 6 Months Commitment Mandatory)

Start Date : 1st April (Immediate Joiners Preferred)

Work Mode : Hybrid (Work From Home + 1 Day/Week at Home Office in Gurgaon)

Work Schedule : 45 Hours/Week + Mandatory Weekend Availability (Saturday & Sunday)

About the Role :

We are hiring a highly skilled Full Stack Developer based out of Gurgaon to work directly with the leadership team of a Cybersecurity Product Company.

This role focuses on building advanced, high-performance dashboard applications to significantly enhance the company’s product capabilities.

This is a high-ownership, high-impact role, where the selected candidate will work closely with the founder/leadership and contribute directly to core product innovation.

Mandatory Skills :

React + TypeScript, Dashboard/Data Visualization (ECharts/D3.js), Node.js (Fastify), Kafka (real-time streaming), ClickHouse, PostgreSQL, Redis, Microservices Architecture, Performance Optimization, Gurgaon-based candidate with 7+ years experience.

Important Note (Strict Requirements) :

• Candidate must be based in Gurgaon (No remote-only candidates)
• Must be comfortable working on weekends (Sat & Sun)
• Must commit to minimum 6 months
• Must be available for in-person collaboration (1 day/week at home office)
• No compromise on the above requirements

Key Responsibilities :

• Design and develop scalable, real-time dashboard applications
• Build data visualization systems using modern frontend frameworks
• Work on end-to-end full stack development (UI to backend APIs)
• Integrate large-scale data pipelines and streaming systems
• Optimize dashboards for performance, usability, and responsiveness
• Collaborate directly with leadership to translate business needs into technical solutions
• Contribute to architecture decisions and system design

Required Technical Skills :

Frontend :

• React.js (18+)
• TypeScript
• TailwindCSS
• State Management (Zustand / TanStack Query)
• Data Visualization:
• Apache ECharts
• D3.js
• Leaflet.js (Maps)

Backend :

• Node.js (20 LTS)
• Fastify (preferred)
• REST API Development
• Prisma ORM

Data & Streaming :

• Apache Kafka / KafkaJS
• Apache Flink (or Kafka Streams)

Databases :

• ClickHouse (must have for analytics use cases)
• PostgreSQL
• Redis

Good to Have :

• Graph DB (Neo4j)
• Object Storage (MinIO)

Machine Learning (Nice to Have) :

• Python (FastAPI)
• Basic experience with:
• scikit-learn
• pandas / numpy
• Understanding of anomaly detection systems

DevOps & Infrastructure :

• Docker & Kubernetes
• Terraform
• Nginx
• Monitoring: Prometheus, Grafana
• Observability: OpenTelemetry
• Authentication: Keycloak / JWT

Testing & Quality :

• Unit & Integration Testing:
• Vitest / Jest
• Supertest
• E2E Testing:
• Playwright
• Performance Testing:
• k6

What We’re Looking For :

• Strong experience in building complex dashboards or analytics platforms
• Ability to work independently as a single contributor
• High ownership and accountability mindset
• Strong problem-solving and system design skills
• Someone who is practical, execution-focused, and reliable

Why Join :

• Direct collaboration with leadership
• Opportunity to build cutting-edge cybersecurity dashboards
• High-impact role with end-to-end ownership
• Flexible work setup (with meaningful in-person collaboration)

About the company:

At Estuate, more than 400 uniquely talented people work together, to provide the world with next-generation product engineering and IT enterprise services. We help companies reimagine their business for the digital age.

Incorporated in 2005 in Milpitas (CA), we have grown to become a global organization with a truly global vision. At Estuate, we bring together talent, experience, and technology to meet our customer’s needs. Our ‘Extreme Service’ culture helps us deliver extraordinary results.

Our key to success:

We are an ISO-certified organization present across four distinct global geographies. We cater to industry verticals such as BFSI, Healthcare & Pharma, Retail & E-Commerce, and ISVs/Startups, as well as having over 2,000 projects in our portfolio.

Our solution-oriented mindset fuels our offerings, including Platform Engineering, Business Apps, and Enterprise Security & GRC.

Our culture of oneness

At Estuate, we are committed to fostering an inclusive workplace that welcomes people from diverse social circumstances. Our diverse culture shapes our success stories. Our values unite us. And, our curiosity inspires our creativity. Now, if that sounds like the place you’d like to be, we look forward to hearing more from you.

Required skills

• 8+ years of active practice in C# .NET / .Net Core / ASP.NET Core
• Knowledge at JS/HTML/CSS with commercial development experience minimum 4 years;
• Experience in React
• Experience with MaterialUI/ Kendo UI/ Kinetic UI 
• Experience of Mobx/ Redux
• Experience of Rabbit MQ/ MS MQ/ Any other messaging queue
• Hands-on experience of building RESTful API’s and SPA’s;
• Experience in MS SQL;
• Experience in authentication and authorization;
• Intermediate+ English level.

As a plus:

• Experience in Docker
• Experience with micro front-end approach;
• Experience of Unit test (XUnit, jest-junit);
• Experience in ES6;
• Experience in Bank, Retail, Financial or/and Point of Sales projects;

Responsibilities:

• Integration with 3d party API’s and systems;
• Support of existing and creation of new applications.
• Active participation in discussions and decision making on internal products;
• Proposing technical solutions based on business needs;
• Participation in an estimation process for short, long term planning
• Active collaboration with team (participation in grooming, daily meetings, planning sessions etc.)

Project Description:

Wireless Standard POS (Point-Of-Sales) is a retail management solution for the Telecom Market.

It provides thousands of retailers with features and functionalities they need to run their businesses effectively with full visibility and control into every aspect of sales and operations. It is simple to learn, easy to use and as operation grows, more features can be added on.

Our system can optimize and simplify all processes related to retail in this business area.

Few things that our product can do:

• Robust Online Reporting
• Repair Management Software
• 3rd Party Integrations
• Customer Connect Marketing
• Time and Attendance
• Carrier Commission Reconciliation

As a member of one of 5 product development teams you will have the opportunity to work on a very complex product with microservice architecture (50+ for now) and communicate with Product, QA, Business analytics, Architecture and Customer Support teams to help improve product quality.

From a technology standpoint you will also have the opportunity to work with and develop the following technology stack which we use in our product development:

• For Back End development we use .Net Framework technologies, C# and .NET 6 etc.

• For Front End development we use React JS framework (Typescript).

On a daily basis we use additional technology stacks including: .NET, Microsoft Azure, MS SQL, HTML, CSS, JavaScript and many others.

Knowmax is a global B2B SaaS platform built to elevate customer experience through intelligent knowledge management. We enable customer-facing teams to access the right answers instantly—across contact centers, digital channels, and field support—driving consistency, efficiency, and satisfaction at scale.

Preferred Profile: Candidates with prior experience working on product development in a startup environment.

Core Backend Skills

• Node.js Mastery
• Deep understanding of event loop, async patterns (Promises, async/await).
• Experience with frameworks like Express, NestJS, Fastify.
• Writing scalable APIs (REST), middleware, and modular code.
• Database Expertise
• SQL/Postgres – schema design, complex joins, indexing, query optimization.
• Knowledge of transactions, isolation levels, and migrations.
• Basic familiarity with ORMs (Sequelize/TypeORM/Prisma) and raw queries.
• Architecture & Design
• Ability to design backend systems
• Good understanding of API versioning, caching strategies (Redis).

Frontend (Average Skill Expected)

• Comfortable with React (or Nuxt/Vue) for building and maintaining UIs.
• Basic understanding of state management (Redux, Vuex, Pinia).
• Familiarity with component-based architecture and UI libraries (Material UI, Tailwind).
• Can debug UI issues but not expected to be a design/UX expert.

Other Expectations

• Code Quality – Writing unit tests (Jest/Mocha), code reviews, and maintaining clean architecture.
• Problem-Solving – Strong data structures and algorithmic skills (not as intense as SD3/Architect).
• Collaboration – Able to mentor juniors, break down tasks, and work closely with product and QA.
• Performance & Security – Understands security best practices (OWASP) and performance profiling.

Need High Level React Native Developer who has worked with multiple applications, Healthcare knowledge is preferable, Understand existing code and optimize it, along with create new functionalities and usability.

Should Understand Data and how to handle large volume of data in application both online and offline in application and communicate to our backend using Rest APIs

Role Objectives 

• Participate in complex design and software development tasks within an appropriate schedule, task, and quality guidelines set in conjunction with the Senior Platform Specialists and Platform Architect  

• Hands-on development and implementation of solutions including the configuration of e.IQ platform components and custom development 

• Tasks associated with testing and documentation of solution implemented 

Academic Qualification
B.E/B.Tech/MCA in computer science Engineering or a related field. 

Experience Profile  

4 -6 years of experience in development or platform implementations.

Required Technical Skillset for Java Development

• core JavaScript, CSS, HTML-5,

• At least one of these frameworks (Angular JS / React /Vue / jQuery / Bootstrap)

• Experience in developing front-end web applications for various devices (responsive) 
  

Good to have:

• Basic Java knowledge /Programming, RDBMS (preferably MySQL or MSSQL), Exposure to Liferay.

• Must be capable of coding and unit testing their own code
  

• Team player with good interpersonal skills

• Should have strong analytical skills                                                  
  

• Good communication skills

• Capable of juggling several priorities and delivering results on time in a high-pressure, dynamic environment.

• React Js
• React - Redux
• redux - Thunk middleware
• Tailwind CSS / Saas
• HTML & CSS