Technical Solution Architect

Technical Solutions Architect

Salary: £80,000 - £100,000

Location: Hybrid - London

About the Role

This is an opportunity to grow into a senior technical leadership position with a team building next-generation infrastructure for regulated financial markets.

You'll sit at the intersection of engineering, product, and client delivery, helping evolve the architecture of a ledger-based post-trade platform. You'll start hands-on as a senior engineer, and take on increasing ownership of system design, technical direction, and solution architecture as you grow into the role.

Why This Role

You'll have real influence in a small, high-calibre team, with close exposure to modern financial market infrastructure and a genuine voice in product and architectural decisions. Expect a fast learning curve across technology, regulation, and market structure.

What You'll Do

Architecture & System Design

• Design secure, scalable distributed systems for regulated environments
• Define and evolve system architecture, APIs, and integration patterns
• Apply sound software design patterns and architectural principles
• Contribute to decisions on ledger and smart contract design
• Build in auditability, resilience, and operational robustness from the outset

Distributed Ledger & Digital Assets

• Work directly with distributed ledger technology and smart contracts
• Help design models covering tokenised and natively digital assets
• Work on atomic settlement, and DvP/RvP settlement mechanisms
• Explore integration concepts for central bank digital currencies
• Weigh up trade-offs between on-chain and off-chain components

Financial Services Context

• Translate regulatory and market-structure requirements into technical design
• Build a working understanding of settlement models and post-trade infrastructure
• Operate within relevant compliance frameworks (eg data and securities regulation)

Engineering & Delivery

• Write production-quality code (Java, JavaScript, Solidity, SQL)
• Review code and help set engineering best practice
• Improve CI/CD pipelines, testing strategy, and observability

Communication & Influence

• Explain complex technical ideas clearly to engineers, product, clients, and regulators where relevant
• Adapt your message to different audiences
• Use structured, persuasive communication to increase the impact of the technology
• Contribute to technical documentation and client-facing materials

What You'll Bring

Technical

• A track record designing and building software products
• Solid grounding in distributed systems principles
• Hands-on experience with distributed ledgers and/or blockchain platforms
• Familiarity with tokenisation and digital asset concepts
• Strong API design skills (REST, event-driven architecture, etc.)
• Working knowledge of Java, JavaScript, Solidity, and SQL

Financial Services Knowledge

• Understanding of post-trade processes
• Familiarity with securities depositories, DvP/RvP models, and atomic settlement
• An appreciation of the regulatory constraints around financial infrastructure

Communication & Leadership Potential

• Excellent written and verbal communication
• Comfortable adjusting technical depth for different audiences
• Structured, persuasive thinker
• Comfortable operating with ambiguity
• Genuine ambition to grow into a Technical Solutions Architect role
• Ownership mindset and resilience suited to a fast-moving, early-stage environment