Technical Solution Architect

Gallagher; Greater London; Hybrid; GBP 70,000 - 90,000; Full time

Job summary

A leading investment technology firm in Greater London seeks a Technical Solutions Architect with a strong background in C# .NET. This hybrid role involves designing scalable software solutions while collaborating with stakeholders. Ideal candidates will possess expertise in cloud technologies like AWS and Azure, along with strong communication skills. Competitive salary, at least 25 days of holiday, and a range of benefits like life insurance, health plans, and an Employee Stock Purchase plan are offered.

Benefits

25 days holiday plus bank holidays

Defined contribution pension scheme

Life insurance for up to 10x salary

Health cash plan

Discounted gym membership

Qualifications

• Strong experience with AWS services like Lambdas and RDS.
• Consistent track record connecting with technical and non‑technical stakeholders.
• Knowledge in clean architecture and software design principles.

Responsibilities

• Architect and implement cloud-native solutions using AWS and Azure.
• Lead technical design discussions and documentation.
• Collaborate with stakeholders to deliver pragmatic solutions.

Skills

C# .NET

Microservices

AWS

SQL

DevOps

Education

Degree in Computer Science or related field

Tools

AWS

Azure

MongoDB

Kubernetes

React/Angular

Job description

Overview

Are you ready to shape the future of investment technology? Join a dynamic, agile development team building innovative internal and client‑facing applications, from data analytics platforms to interactive investment tools. We deliver impact, not just code, and invest in continuous learning with dedicated L&D days every sprint. We’re looking for a Technical Solutions Architect with a strong C# .NET background to own the design and delivery of scalable, secure, and high‑performing software solutions as well as working with senior management, stakeholders, and subject matter authorities to recognise business needs and communicate architectural vision. This hybrid role blends technical leadership and business engagement, with a unique 50/50 split between hands‑on development and strategic transformation.

How you’ll make an impact

• Architect and implement cloud‑native solutions using AWS and Azure
• Lead technical design discussions, POCs, and documentation
• Collaborate with stakeholders to shape strategy and deliver pragmatic solutions
• Guide engineering teams and influence technical direction
• Stay ahead of emerging tech and drive adoption across the team
• Represent the development team in wider integration and transformation initiatives

About You

• Expertise in C# .NET, Microservices, DDD, Event Sourcing, CQRS
• Strong experience with AWS (Lambdas, RDS, Cognito), SQL (PostgreSQL / SQL Server)
• Consistent track record to connect with technical and non‑technical stakeholders
• Familiarity with DevOps practices and tools
• A proactive, professional points of view, with a passion for clean architecture

Bonus Skills

• Degree or equivalent experience in Computer Science or a related field is preferred
• Experience with Azure, MongoDB, React / Angular, Kubernetes, Octopus Deploy
• Background in business analysis or change leadership

If you’re a strategic thinker with a hands‑on mindset and a love for sophisticated solutions, we’d love to hear from you.

Compensation and benefits

On top of a competitive salary, great teams and exciting career opportunities, we also offer a wide range of benefits. Below are the minimum core benefits you’ll get, depending on your job level these benefits may improve:

• Minimum of 25 days holiday, plus bank holidays, and the option to ‘buy’ extra days
• Defined contribution pension scheme, which Gallagher will also contribute to
• Life insurance, which will pay 4x your basic annual salary, which you can top‑up to 10x
• Income protection, we’ll cover up to 50% of your annual income, with options to top up
• Health cash plan or Private medical insurance

Other benefits include:

• Three fully paid volunteering days per year
• Employee Stock Purchase plan, offering company shares at a discount
• Share incentive plan, HMRC approved, tax effective, stock purchase plan
• Critical illness cover
• Discounted gym membership, with over 3,000 gyms nationally
• Season ticket loan
• Access to a discounted voucher portal to save money on your weekly shop or next big purchase
• Emergency back‑up family care
• And many more…