Mean Stack Solution Architect

Nelito System; Navi Mumbai; On-site; INR 4,800,000 - 7,200,000; Full time

Job summary

Nelito System is seeking an experienced MEAN Stack Solution Architect to lead secure, scalable cloud-native applications in a banking/fintech context. You will own end-to-end delivery from UI/UX integration to backend APIs, data modeling, deployment, and production monitoring in a high-compliance environment.

Location: Navi Mumbai (Ghansoli). 10+ years of experience, hands-on mastery of Angular, Node.js, MongoDB, and event-driven architectures with Kafka/RabbitMQ are essential, along with

Qualifications

• Angular v10+ with RxJS and NgRx for state management.
• Node.js/Express.js RESTful APIs with async programming.
• MongoDB with Mongoose, indexing, and aggregation.
• Kafka or RabbitMQ for event-driven architectures.
• Microservices, Docker, Kubernetes, API Gateway.
• Cloud: AWS/GCP/Azure.
• CI/CD with Jenkins, GitHub Actions, GitLab or Azure DevOps.
• Security: JWT, OAuth 2.0, OpenID Connect.
• Testing: Jest, Mocha, Cypress.

Responsibilities

• Develop modular SPAs using Angular 10+ and RxJS.
• Design RESTful APIs with Node.js/Express.js.
• Implement event-driven workflows with Kafka or RabbitMQ.
• Model data with MongoDB and Mongoose.
• Architect microservices with Docker and Kubernetes.
• Ensure security and compliance in banking contexts.

Skills

Angular

RxJS

NgRx

SCSS

Bootstrap

Material Design

Tailwind

Node.js

Express.js

MongoDB

Mongoose

Apache Kafka

RabbitMQ

Microservices

Docker

Kubernetes

API Gateway

AWS

GCP

Azure

CI/CD

GitHub Actions

JWT/OAuth/OpenID

Testing (Jest/Cypress)

Job description

We are hiring an experienced MEAN Stack Solution Architect with proven banking or fintech domain exposure to build secure, scalable, cloud-native applications. The role demands deep hands‑on expertise in Angular (v10+), Node.js + Express.js, and MongoDB, along with event‑driven architecture using Kafka and/or RabbitMQ, microservices, and modern DevOps practices.

You will own end‑to‑end delivery from UI/UX integration to backend APIs, data modeling, deployment, and production monitoring in a high‑compliance banking environment.

Experience: 10 + Years

Location: Navi Mumbai - Ghansoli

Key Responsibilities

Front-End (Angular)

• Build responsive, modular SPAs using Angular (v10+), Components, Services, Routing, and Forms
• Apply RxJS, Lazy Loading, and State Management (NgRx / BehaviorSubject)
• Integrate UI/UX with HTML5, CSS3, SCSS, and frameworks like Bootstrap / Material Design / Tailwind

Back-End (Node.js + Express.js)

• Design and develop RESTful APIs using Node.js and Express.js
• Handle async programming, event loop, promises/async-await, middleware, routing, error handling
• Integrate third‑party services payments, notifications, OAuth

Messaging & Event-Driven Architecture

• Implement event‑driven communication using Apache Kafka and/or RabbitMQ for banking workflows (payments, notifications, ledger updates, fraud alerts)
• Design producers, consumers, topics/queues, retries, and dead‑letter handling
• Ensure message reliability, ordering, and idempotency in transactional systems

Database (MongoDB)

• Schema design with Mongoose, indexing, aggregation pipeline, and performance tuning
• NoSQL modeling, ACID principles in document DB
• Knowledge of backup, replication, and sharding

Architecture & Design

• Design scalable, secure, modular microservices‑based architecture
• Expertise in RESTful APIs; GraphQL (optional)
• Containerization (Docker) and orchestration (Kubernetes)
• Experience with API Gateway, Load Balancers, Service Mesh

DevOps & CI/CD

• CI/CD pipelines with Jenkins, GitHub Actions, GitLab, or Azure DevOps
• Deployment automation, versioning, and rollback strategies
• Configuration management (Ansible, Helm)

Cloud Platforms

• Cloud‑native design on AWS / GCP / Azure
• EC2, S3, Lambda, RDS, CloudWatch, EKS
• Serverless architecture using AWS Lambda / Google Cloud Functions

Security & Compliance

• Secure coding practices (XSS, CSRF, SQLi/NoSQLi prevention)
• Auth: JWT, OAuth 2.0, OpenID Connect, RBAC, multi‑tenant architecture
• HTTPS, encryption, secrets management
• Familiarity with banking compliance PCI-DSS, PSD2, RBI guidelines (as applicable)

Testing & Quality

• Unit Testing: Jest, Mocha, Chai, Jasmine, Karma
• E2E Testing: Protractor, Cypress
• Code linting, formatting, and static analysis (ESLint, SonarQube)

Monitoring & Performance

• Application monitoring: ELK Stack, Prometheus, Grafana, New Relic
• Performance profiling and optimization at front‑end and back‑end
• Logging, tracing, and health checks

Mandatory Skills

• Angular (v10+), RxJS, NgRx, SCSS, Bootstrap / Material / Tailwind
• Node.js, Express.js, RESTful APIs, async programming
• MongoDB, Mongoose, aggregation, indexing, performance tuning
• Apache Kafka and/or RabbitMQ producers, consumers, topics/queues, retries
• Microservices, Docker, Kubernetes, API Gateway
• AWS / GCP / Azure EC2, S3, Lambda, EKS, CloudWatch
• CI/CD - Jenkins / GitHub Actions / GitLab / Azure DevOps
• Security - JWT, OAuth 2.0, OpenID Connect, RBAC, encryption
• Testing - Jest / Mocha / Chai / Cypress, ESLint, SonarQube

Good to Have

• Banking / FinTech domain experience - payments, lending, core banking, fraud detection, KYC/AML, regulatory reporting
• GraphQL
• Kafka Streams / Confluent Cloud
• Helm, Ansible, Service Mesh (Istio / Linkerd)
• Certification: AWS Certified Developer / Solutions Architect