Dotnet Architect (Cloud) - Capital Market Domain

Fidelity Information Services, LLC; Pune District, Bengaluru; Hybrid; INR 300,000 - 600,000; Full time

Job summary

Fidelity Information Services, LLC in Pune seeks a Dotnet Architect (Cloud) to define technical vision and architecture for enterprise-scale applications. You will modernize legacy C++ modules into cloud-native services using .NET technologies and establish engineering standards.

You will design robust APIs, guide cross-technology integration with Java and Node.js microservices, mentor engineers, and evaluate cloud tooling to accelerate secure delivery.

Qualifications

• 10 to 17 years of software engineering experience, including three or more years in architecture or technical leadership.
• Deep expertise in modern C++, including memory management, multithreading and low-level performance optimization.
• Strong proficiency in .NET Core, .NET 6 or later, C#, Web API and microservices architecture.
• Hands-on experience with cloud platforms, Docker, Kubernetes and CI/CD pipelines.
• Proficiency with relational and NoSQL technologies such as SQL Server, PostgreSQL, Snowflake and Redis.
• Experience in capital markets domain and fintech environments.

Responsibilities

• Define technical vision and architectural blueprints for enterprise-scale applications.
• Modernize legacy C++ modules into cloud-native services using .NET technologies.
• Design robust APIs and integration layers connecting .NET with Java and Node.js microservices.
• Establish and enforce coding standards, architectural patterns and security best practices.
• Mentor senior developers and engineers while guiding technical decisions.

Skills

Architectural leadership

Distributed systems design

Technical mentorship

Cross-technology integration

DevOps practices

Tools

.NET Core / .NET 6

C#

Web API

Microservices

Docker

Kubernetes

Java

Spring Boot

Angular

SQL Server

PostgreSQL

Snowflake

Redis

CI/CD pipelines

Job description

Dotnet Architect (Cloud) - Capital Market Domain

At FIS, our technology and our people are moving forward. We advance the way the world pays, banks and invests. We believe in building inclusive, diverse teams. Together, we innovate to help our colleagues, clients and communities succeed. If youre ready to grow your career and make an impact in fintech, we have one question: Are you FIS?

About the Role

As a Software Architect, you will define the technical vision and architecture for enterprise-scale applications. You will modernize legacy C++ modules into high-performance, cloud-native services using .NET technologies. You will establish engineering standards and guide the delivery of secure, scalable and reliable platforms. Your success will strengthen application performance, architectural consistency and engineering effectiveness.

Your key responsibilities

• Define technical vision, architectural blueprints and engineering roadmaps for enterprise-scale applications.Modernize legacy C++ modules into high-performance, cloud-native services using .NET technologies.
• Design robust APIs and integration layers connecting .NET applications with Java and Node.js microservices.Establish and enforce coding standards, architectural patterns and security best practices across engineering teams.
• Conduct architecture assessments and detailed code reviews for mission-critical application components.Optimize system performance, scalability, reliability, resilience and cost efficiency.
• Mentor senior developers and engineers while promoting technical excellence and continuous improvement.Partner with engineering teams, product managers and executive stakeholders to guide technical decisions.
• Evaluate third-party tools, frameworks and cloud technologies to accelerate secure and sustainable delivery.

What you bring

Required Qualifications

• 10 to 17 years of software engineering experience, including three or more years in architecture or technical leadership.
• Deep expertise in modern C++, including memory management, multithreading and low-level performance optimization.
• Strong proficiency in .NET Core, .NET 6 or later, C#, Web API and microservices architecture.
• Working knowledge of Java, Spring Boot and Angular frameworks for cross-technology integration. Demonstrated ability to design distributed, high-throughput, fault-tolerant enterprise systems.
• Hands-on experience with cloud platforms, Docker, Kubernetes and continuous integration and delivery pipelines.Proficiency with relational and NoSQL technologies, including SQL Server, PostgreSQL, Snowflake and Redis.
• AI adoption and scaling in SDLC and DevOps
• Good Experience in Capital Market

Preferred Qualifications

• Three to five years of experience in fintech, banking, trading, payments or wealth management technology.
• Experience leading complex legacy modernization and cloud transformation initiatives.
• Knowledge of event-driven architecture, domain-driven design and cloud-native engineering patterns.
• Experience communicating complex architectural decisions to technical and non-technical stakeholders.
• Relevant cloud, software architecture or engineering certifications.
• Post trade/securities lifecycle

What We Offer you

At FIS, we are as committed to growing our employees’ careers as our own business. We offer:

• Opportunities to innovate in fintech
• Inclusive and diverse team atmosphere
• Professional and personal development
• Resources to contribute to your community
• Competitive salary and benefits