Technical Solution Architect

Technical Solutions Architect

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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 (e.g. 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 xwzovoh
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