Lead Software Engineer / Senior Full Stack Engineer - Fintech/Financial Services

About the Role:

We are seeking a highly experienced Lead Software Engineer / Senior Full Stack Engineer with 10+ years of experience in designing, developing, and delivering scalable, cloud-native enterprise applications. The ideal candidate will have strong expertise in React.js, Next.js, TypeScript, Node.js, NestJS, C#, and .NET technologies, along with hands-on experience in microservices architecture, distributed systems, cloud infrastructure, and engineering leadership.

This is a hands-on technical leadership role requiring ownership of end-to-end solution delivery, architecture decisions, mentoring engineering teams, and building secure, high-performance applications in complex enterprise environments.

Key Responsibilities:

• Lead the architecture, design, and development of scalable, secure, and high-performance enterprise applications.
• Design and implement cloud-native solutions using microservices and distributed systems architecture.
• Build and maintain modern frontend applications using React.js, Next.js, TypeScript, and JavaScript.
• Develop robust backend services and APIs using Node.js, NestJS, C#, and ASP.NET Core Web APIs.
• Architect and implement secure authentication and authorization frameworks, including JWT, OAuth2, RBAC, MFA, and session management.
• Design and optimize relational and NoSQL database solutions.
• Build event-driven systems and asynchronous processing solutions.
• Implement CI/CD pipelines, automated deployments, and DevOps best practices.
• Collaborate with product owners, business stakeholders, architects, and engineering teams to translate business requirements into scalable technical solutions.
• Drive engineering excellence through code reviews, best practices, and architectural governance.
• Mentor engineers and provide technical leadership across teams.
• Troubleshoot production issues and continuously improve system performance, reliability, scalability, and security.
• Evaluate emerging technologies and contribute to technical strategy and roadmap planning.
  

Required Technical Skills:

Frontend

• React.js
• Next.js
• TypeScript and JavaScript (ES6+)
• Redux Toolkit, Context API, React Router
• HTML5, CSS3, Tailwind CSS, Material UI, Styled Components

Backend

• Node.js
• NestJS
• Express.js
• C#
• ASP.NET Core
• ASP.NET Web API
• RESTful API Design
• WebSockets and GraphQL

Databases

• SQL Server
• PostgreSQL
• MongoDB
• Redis
• DynamoDB

Cloud & DevOps

• AWS (EC2, RDS, S3, Lambda, API Gateway, SNS, Kinesis, CloudWatch)
• Docker
• Nginx
• GitHub Actions
• CI/CD Pipelines
• Linux Server Administration

Architecture & Design

• Microservices Architecture
• Event-Driven Architecture
• Distributed Systems Design
• Micro Frontend Architecture
• Monorepo Architecture (Nx/Lerna)
• Design Patterns and SOLID Principles
• System Scalability and Performance Engineering
• Secure Application Design
  

Preferred Qualifications

• 10+ years of hands-on experience in full-stack software development.
• Proven experience delivering enterprise-grade applications in FinTech, Banking, Capital Markets, or other highly regulated industries.
• Experience building multi-tenant SaaS platforms and complex workflow-driven systems.
• Strong understanding of authentication, identity management, and security best practices.
• Experience with high-availability systems and production support.
• AWS Certification is an added advantage.
  

Leadership Expectations

• Provide technical leadership and architectural guidance across engineering initiatives.
• Own end-to-end solution delivery and engineering execution.
• Mentor and develop engineering talent through coaching and knowledge sharing.
• Establish engineering standards, coding guidelines, and best practices.
• Partner with leadership teams on technology strategy and roadmap execution.
• Drive a culture of innovation, accountability, and continuous improvement.