Application Solution Architect
Posted Today by Advanced Resource Managers
£575 Per day
Inside
Hybrid
London Area, United Kingdom
Summary: The Application Solution Architect role is a hands-on leadership position focused on enterprise application modernization within the finance sector. The successful candidate will lead initiatives to transform legacy applications, define target architectures, and establish architectural standards. This position requires extensive experience in application architecture and a strong emphasis on modernizing applications rather than infrastructure. The role involves collaboration with various stakeholders to translate business requirements into scalable technical solutions.
Key Responsibilities:
- Lead the assessment and modernization of legacy and monolithic applications.
- Develop application modernization strategies, roadmaps, and target-state architectures.
- Drive the decomposition of monolithic applications into modular, service-oriented, or microservices-based architectures.
- Define migration approaches that balance business continuity, risk, cost, and delivery timelines.
- Identify and reduce technical debt through strategic architecture decisions.
- Own end-to-end solution architecture for application transformation programmes.
- Produce solution designs, architecture artefacts, reference architectures, and technical standards.
- Ensure solutions are scalable, secure, resilient, maintainable, and aligned with business objectives.
- Provide architectural oversight throughout the delivery lifecycle.
- Lead migration from traditional Microsoft technology stacks to modern architectures and development approaches.
- Drive adoption of microservices architecture, API-first design, event-driven architecture, cloud-native development patterns, and modern front-end development using React.
- Establish and govern common application design principles and standards.
- Champion architectural approaches including Clean Architecture, Strangler Fig Pattern, Domain-Driven Design (DDD), SOLID Principles, Separation of Concerns, and Twelve-Factor Application principles.
- Conduct architecture reviews and provide technical assurance.
- Provide leadership and guidance to development teams and technical leads.
- Mentor engineers on modern architecture patterns and best practices.
- Facilitate architecture workshops and technical design sessions.
- Act as the primary architecture authority for application modernization initiatives.
- Collaborate with business stakeholders, programme managers, product owners, and engineering teams.
- Translate business requirements into scalable technical solutions.
- Communicate architectural vision and transformation strategies to both technical and non-technical audiences.
Key Skills:
- Extensive experience as a Solution Architect with a strong focus on application architecture and modernization.
- Proven track record delivering large-scale application transformation programmes.
- Experience modernizing legacy Microsoft-based applications.
- Strong experience designing and implementing microservices architectures.
- Demonstrable experience defining application modernization strategies and migration roadmaps.
- Experience working across the full software development lifecycle.
- Strong background in C#, .NET Framework, .NET Core, ASP.NET, SQL Server, and REST APIs.
- Experience transitioning traditional Microsoft applications to modern architectures.
- Strong understanding of modern front-end architecture with experience in React, TypeScript, JavaScript, and component-based UI design.
Salary (Rate): £575 daily
City: London
Country: United Kingdom
Working Arrangements: hybrid
IR35 Status: inside IR35
Seniority Level: undetermined
Industry: IT
Application Solution Architect 6-Month contract – Inside IR35 – up to £575 per day London based – hybrid working – 2 days a week on site Finance sector – previous experience in this sector required
Overview
We are seeking an experienced Application Solution Architect to lead enterprise application modernisation initiatives. This is a hands-on architecture leadership role. The successful candidate will be responsible for defining target architectures, leading application transformation programmes, and establishing architectural standards and design principles across the organisation. This is an out-and-out Solution Architect role, with a strong emphasis on application modernisation rather than infrastructure or enterprise architecture.
Key Responsibilities
- Application Modernisation Leadership
- Lead the assessment and modernisation of legacy and monolithic applications.
- Develop application modernisation strategies, roadmaps, and target-state architectures.
- Drive the decomposition of monolithic applications into modular, service-oriented, or microservices-based architectures.
- Define migration approaches that balance business continuity, risk, cost, and delivery timelines.
- Identify and reduce technical debt through strategic architecture decisions.
- Solution Architecture
- Own end-to-end solution architecture for application transformation programmes.
- Produce solution designs, architecture artefacts, reference architectures, and technical standards.
- Ensure solutions are scalable, secure, resilient, maintainable, and aligned with business objectives.
- Provide architectural oversight throughout the delivery lifecycle.
- Modern Technology Adoption
- Lead migration from traditional Microsoft technology stacks to modern architectures and development approaches.
- Drive adoption of: Microservices architecture API-first design Event-driven architecture Cloud-native development patterns Modern front-end development using React Support modernisation of application integration and data access patterns.
- Architecture Standards & Best Practices
- Establish and govern common application design principles and standards.
- Champion architectural approaches including: Clean Architecture Strangler Fig Pattern Domain-Driven Design (DDD) SOLID Principles Separation of Concerns Twelve-Factor Application principles Conduct architecture reviews and provide technical assurance.
- Technical Leadership
- Provide leadership and guidance to development teams and technical leads.
- Mentor engineers on modern architecture patterns and best practices.
- Facilitate architecture workshops and technical design sessions.
- Act as the primary architecture authority for application modernisation initiatives.
- Stakeholder Engagement
- Collaborate with business stakeholders, programme managers, product owners, and engineering teams.
- Translate business requirements into scalable technical solutions.
- Communicate architectural vision and transformation strategies to both technical and non-technical audiences.
Required Experience
Essential
- Extensive experience as a Solution Architect with a strong focus on application architecture and modernisation.
- Proven track record delivering large-scale application transformation programmes.
- Experience modernising legacy Microsoft-based applications.
- Strong experience designing and implementing microservices architectures.
- Demonstrable experience defining application modernisation strategies and migration roadmaps.
- Experience working across the full software development lifecycle.
- Microsoft Technology Expertise
- Strong background in: C# .NET Framework .NET Core / .NET ASP.NET SQL Server REST APIs Experience transitioning traditional Microsoft applications to modern architectures.
- Front-End Experience
- Strong understanding of modern front-end architecture.
- Experience with: React TypeScript JavaScript Component-based UI design