Senior Solution Architect (.Net)

Why Join Exadel

We’re an AI-first global tech company with 25+ years of engineering leadership, 2,000+ team members, and 500+ active projects powering Fortune 500 clients, including HBO, Microsoft, Google, and Starbucks.

From AI platforms to digital transformation, we partner with enterprise leaders to build what’s next.

What powers it all? Our people are ambitious, collaborative, and constantly evolving.

About the Client

Our client is one of the Big Four accounting firms and the world’s largest professional services network. Headquartered in London, they operate in 150+ countries with 460,000+ professionals delivering excellence in audit, tax, consulting, and advisory.

Project Tech Stack

Azure Cloud, Microservices Architecture, .NET 8, ASP.NET Core services, Python, Mongo, Azure SQL, Angular 18, Kendo, GitHub Enterprise with Copilot

What You’ll Do

• Own solution architecture end-to-end: requirements, design decisions, and technical trade-offs

• Translate business and non-functional requirements into clear system architecture and diagrams

• Design and document distributed and microservices-based architectures with explicit NFRs

• Define and defend architectural decisions in discussions with client and internal teams

• Provide architectural guidance and direction to development teams, not just advice

• Review solutions and implementations to ensure alignment with approved architecture

• Lead architectural discussions across teams and resolve design conflicts

• Prepare, present, and maintain architecture artifacts using the 4+1 view model, including sequence diagrams for key scenarios, ADRs, and design documents

• Continuously improve architecture by evaluating alternatives and addressing technical risks

Portfolio/scale

• Contribute to architecture consistency across multiple platforms and programs

• Define and evolve shared architectural principles, standards, and guardrails across teams

Security & enterprise

• Design solutions with security-by-design in highly regulated enterprise environments

Hybrid cloud & migration

• Design and evolve architectures supporting hybrid cloud and large-scale cloud migration scenarios

Pre-sale

• Participate in pre-sale and discovery activities: provide architecture input and solution shaping

• Support pre-sale discussions by explaining architectural options, risks, and trade-offs

• Contribute to high-level solution proposals, estimates, and architecture outlines when needed

What You Bring

• 10+ years in software engineering with strong .NET background

• Proven experience designing and owning distributed and microservices architectures at scale

• Experience working across multiple large programs or platforms (portfolio-level exposure)

• Hands-on understanding of scalability, reliability, security, and performance trade-offs

• Strong understanding of cloud security, identity, and enterprise compliance constraints

• Ability to design systems visually: architecture diagrams are a mandatory skill

• Practical experience with Azure Cloud (App Services/AKS, messaging, storage, networking)

• Experience with data architecture using MongoDB and relational databases (Azure SQL)

• Strong experience in producing and maintaining architecture and design documentation

• Experience taking architectural ownership and standing behind decisions

• Ability to clearly explain and defend technical solutions to both technical and non-technical stakeholders

• System-level thinking: understanding solutions as part of a larger platform ecosystem

• Experience supporting pre-sale or early discovery phases in enterprise projects

• Hands-on experience with hybrid cloud architectures and large-scale cloud migration programs

Nice to have

• Knowledge of Gen AI

• Bachelor's or Master’s degree in Computer Science/Software Engineering or an equivalent third-level qualification in another technical field

• Azure certifications such as Azure Solutions Architect Expert (AZ-30x) or equivalent certifications

English level

Advanced

Legal & Hiring Information

• Exadel is proud to be an Equal Opportunity Employer committed to inclusion across minority, gender identity, sexual orientation, disability, age, and more

• Reasonable accommodations are available to enable individuals with disabilities to perform essential functions

• Please note: this job description is not exhaustive. Duties and responsibilities may evolve based on business needs

Your Benefits at Exadel

Exadel benefits vary by location and contract type. Your recruiter will fill you in on the details.

• International projects

• In-office, hybrid, or remote flexibility

• Medical healthcare

• Recognition program

• Ongoing learning & reimbursement

• Well-being program

• Team events & local benefits

• Sports compensation

• Referral bonuses

• Top-tier equipment provision

Exadel Culture

We lead with trust, respect, and purpose. We believe in open dialogue, creative freedom, and mentorship that helps you grow, lead, and make a real difference. Ours is a culture where ideas are challenged, voices are heard, and your impact matters.