Senior Technical Architect

CGI • IT Consulting & Digital Transformation • IT Outsourcing & Dedicated Teams • JavaScript • TypeScript • SQL • C# • 4 days ago
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Location
Remote (likely India)
Seniority
Staff · 12+ years exp

First seen by Alion on Sep 25, 2026.

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CGI

Since 1976, CGI has grown into one of the largest IT and business consulting services firms in the world. Our 50-year milestone celebrates a history of serving clients and creating a global culture of ownership, always with a focus on looking to the future ahead.
cgi.com • HQ: Leeds, United Kingdom • Management Consulting • IT Outsourcing & Dedicated Teams • Systems Integrators • IT Consulting & Digital Transformation • 5000+ employees • Est. 1976
Tech stack of CGI

Senior Technical Architect :

We are looking for an experienced Senior Technical Architect with strong expertise in .NET Full Stack architecture, microservices, event-driven architecture, Kafka, API design, API security, React/Angular, MongoDB, and Graph Database technologies.

Key Responsibilities :

- Design and architect enterprise applications using .NET Core / .NET 6+ / .NET 8, C#, ASP.NET Core Web API, React or Angular.

- Lead architecture for microservices-based distributed systems, including service boundaries, ownership models, API contracts, and data ownership.

- Design event-driven architecture using Kafka or similar messaging platforms.

- Define API strategy covering REST APIs, API gateways, versioning, throttling, observability, and secure API integration.

- Drive modernization from legacy / monolithic applications to microservices, cloud-native, API-first, and event-driven architecture.

- Create and review HLD, LLD, architecture diagrams, sequence diagrams, and technical roadmaps.

- Design secure systems using OAuth2, OIDC, JWT, SSO, RBAC, and API security.

- Mentor developers, senior engineers, and technical leads across architecture, design, performance, security, and delivery excellence.

Tech Stack :

- Backend: .NET Core, .NET 6+, .NET 8, C#, ASP.NET Core, Web API, REST API, Microservices.

- Frontend: React, Angular, JavaScript, TypeScript, SPA Architecture.

- Messaging & Integration: Kafka, Event-Driven Architecture, API Gateway, REST.

- Security: OAuth2, OpenID Connect, JWT, SSO, RBAC, API Security.

- Database: SQL Server, MongoDB, Neo4j, Graph DB, Redis.

- Cloud & Platform: AWS, Azure, Docker, Kubernetes, Observability.

Candidate Profile :

- 12 - 15+ years of software engineering experience with strong background in .NET full-stack development.

- Minimum 4+ years of experience in architecture, solution design, or technical leadership.

- Strong hands-on experience designing and implementing microservices, APIs, Kafka/event-driven systems, and secure backend platforms.

- Ability to lead technical discussions with architects, product owners, and engineering teams.

Skills

.Net, C#, MongoDB, Neo4j, SQL Server, Solution Architect, Technical Architect, Full Stack, React.js, AngularJS

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