Dotnet Architect (Cloud)

FIS; Pune District, Bengaluru; On-site; INR 4,000,000 - 7,000,000; Full time

Job summary

FIS is seeking a Dotnet Architect (Cloud) to define the technical vision for enterprise-scale applications and modernize legacy C++ modules into cloud-native .NET services, ensuring scalable, secure platforms for fintech users.

You will design robust APIs and integration layers across .NET, Java and Node.js microservices, establish coding standards, mentor senior engineers, evaluate third-party tools, and drive cloud technology choices that balance performance, resilience and cost.

Qualifications

• 15+ years software engineering experience with architecture/leadership.
• Deep expertise in modern C++, memory management, multithreading and low-level optimization.
• Strong proficiency in .NET Core, .NET 6 or later, C#, Web API and microservices architecture.
• Working knowledge of Java, Spring Boot and Angular for cross-technology integration.
• Hands-on experience with cloud platforms, Docker, Kubernetes and CI/CD pipelines; relational and NoSQL databases.

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. Enforce coding standards, architectural patterns and security best practices.
• Conduct architecture assessments and detailed code reviews for mission-critical components; optimize performance, scalability and cost efficiency.
• Mentor senior developers and engineers while promoting technical excellence and guiding decisions with stakeholders.
• Evaluate third-party tools, frameworks and cloud technologies to accelerate secure delivery.

Skills

Software architecture

Cloud-native engineering

API design

Cross-technology integration

Mentoring engineers

Tools

Docker

Kubernetes

CI/CD

SQL Server

PostgreSQL

MongoDB

Redis

Web API

Spring Boot

Job description

Dotnet Architect (Cloud)

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

• 15+ 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, MongoDB and Redis.

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.

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

Privacy Statement

FIS is committed to protecting the privacy and security of all personal information that we process in order to provide services to our clients. For specific information on how FIS protects personal information online, please see the .

Sourcing Model

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