Lead Architect

Synechron; Greater London; Hybrid; GBP 110,700 - 147,600; Full time

Job summary

Synechron is seeking a Lead Architect in Greater London to transform complex legacy systems into modern platforms. The role involves designing scalable solutions, mentoring teams, and leading initiatives across a diverse portfolio within financial institutions.

Applicants should have experience as a Solutions Architect or Senior Technical Lead, with strong skills in AWS, SQL, Python, and more. This position offers a multi-year rolling contract with hybrid working opportunities, fostering diversity and inclusion.

Qualifications

• Proven experience as a Solutions Architect or Senior Technical Lead in complex enterprise environments.
• Strong background working with legacy and distributed systems.
• Deep expertise in AWS, data architectures, and microservices.
• Ability to design highly resilient, scalable, and secure systems.

Responsibilities

• Design and deliver scalable, resilient solutions across legacy and modern platforms.
• Lead architecture for risk, regulatory, and resilience initiatives.
• Collaborate across teams to deliver end-to-end solutions.
• Mentor engineers to uplift architectural and engineering practices.

Skills

AWS

SQL

Python

Java

C#/.NET

Angular

AI/ML

Job description

Are you a hands‑on technical leader with a passion for transforming complex legacy systems into modern, resilient platforms? Synechron is looking for a Lead Architect to spearhead a diverse portfolio of initiatives across a leading financial institutions platform estate.

We are looking for a Principal Engineer/Lead Architect profile who have not only coordinated solution adoption but have designed and rearchitected enterprise grade platforms and well versed with the fundamentals of tech stacks mentioned below. You would be expected to identify gaps in existing platforms, execute POC’s of desired state architecture across modern stack.

This a Lead role owning the broad architectural roadmap for the organisation working with multiple engineering teams and willing to go deep into any area as required by the business needs.

Role:

• Design and deliver scalable, resilient solutions across legacy and modern platforms
• Lead architecture for risk, regulatory, and resilience initiatives
• Simplify complex system landscapes while maintaining stability
• Define target architectures and transition roadmaps with pragmatic trade-offs
• Act as a hands‑on technical leader through design reviews, PoCs, and implementation support
• Drive data‑intensive system design, including ETL and processing pipelines
• Ensure solutions align with enterprise architecture, security, and governance standards
• Collaborate across teams to deliver end‑to‑end solutions
• Represent the domain in architecture forums and influence strategic decisions
• Mentor engineers to uplift architectural and engineering practices
• Cloud: AWS (EC2, Lambda, Glue, EKS, S3, SQS, SNS)
• AI/ML & Automation: Experience with intelligent automation is a plus

Experience:

• Proven experience as a Solutions Architect or Senior Technical Lead in complex enterprise environments
• Strong background working with legacy and distributed systems
• Deep expertise in AWS, data architectures, and microservices
• Development skills in SQL, Python, Java, C#/.NET, and Angular
• Ability to design highly resilient, scalable, and secure systems
• Understanding of risk management and regulatory controls
• Excellent stakeholder management and communication skills
• A pragmatic, solutions‑oriented mindset with a curiosity for modern tech and AI

Multi year long term rolling contract - Hybrid working x3 days a weeks - Strong market rates

Diversity Statement

Synechron are proud to be an equal opportunity employer. Our Diversity, Equity, and Inclusion (DEI) initiative ‘Same Difference’ is committed to fostering an inclusive culture – promoting equality, diversity and an environment that is respectful to all. We encourage applicants from across diverse backgrounds, race, ethnicities, religion, age, marital status, gender, sexual orientations, or disabilities to apply. We offer flexible workplace arrangements, mentoring, internal mobility, learning and development programmes to support our global workforce. Empowerment and collaboration are at the core of how we operate.

All employment decisions at Synechron are based on business needs, job requirements and individual qualifications, without regard to the applicant’s gender, gender identity, sexual orientation, race, ethnicity, disabled or veteran status, or any other characteristic protected by law.