Technical & Solution Architect (Distributed Ledger / Regulated Financial Services)

Job Title: Technical & Solution Architect (Distributed Ledger / Regulated Financial Services)

Location : Hybrid - remote + regular on-site (London)

This is a hands-on technical leadership position in the making.

You will work across product management, engineering, and client-facing discussions to evolve the design of a distributed ledger-based post-trade platform operating within regulated financial services. You will initially contribute as a senior engineer while progressively taking ownership of system-level architecture, solution design, and technical direction.

This role is ideal for someone who wants to: Move from senior engineer to architect; Work on real financial market infrastructure problems; Combine deep technical thinking with business context; Shape a product at an early stage.

Why join us? You'll have real ownership and influence in a small, high-calibre team, with direct exposure to cutting-edge financial market infrastructure and a genuine say in product and architectural direction. The role offers a steep learning curve spanning technology, regulation, and market structure, along with a clear path to grow into a formal Technical & Solution Architect position.

Responsibilities:

Architecture & System Design:

o   Design scalable, secure distributed systems in regulated environments

o   Define and evolve system architecture, APIs, and integration patterns

o   Apply appropriate software design patterns and architectural principles

o   Contribute to smart contract and ledger design decisions

o   Ensure auditability, resilience, and operational robustness

Distributed Ledger & Digital Assets:

Work with distributed ledger technologies and smart contracts. Design models for:

o   Tokenised assets

o   Natively digital assets

o   Atomic settlement

o   DvP and RvP mechanisms

o   Central bank digital currency (CBDC) integration concepts

·       Evaluate trade-offs between on-chain and off-chain components

Financial Services Context:

o    Translate regulatory and market structure requirements into technical design

o    Understand settlement models and post-trade infrastructure

o    Work within business frameworks such as CSDR and GDPR.

Engineering & Implementation:

o   Contribute production-quality code in Java, JavaScript, Solidity, SQL

o   Review code and guide best practices

o   Improve CI/CD, testing strategies, and observability

Communication & Influence

o   Communicate complex technical concepts clearly to engineers, product management, clients,  and regulators (where applicable)

o   Tailor messaging to different audiences.

o   Use structured thinking and persuasive communication to amplify the impact of our technology.

o   Contribute to technical documentation and client materials.

Requirements:

  Technical:

o   Strong experience designing and building software products

o   Solid understanding of distributed systems principles

o   Experience with distributed ledgers and/or blockchain platforms

o   Familiarity with tokenisation and digital asset concepts

o   Strong API design experience (REST, event-driven architectures, etc.)

o   Working knowledge of: Java; JavaScript; Solidity; SQL

Financial Services Knowledge (or strong motivation to learn):

o   Understanding of post-trade processes

o   Familiarity with: CSDR; Central securities depositories; DvP and RvP models; Atomic settlement

o   Appreciation of regulatory constraints in financial infrastructure

Communication & Leadership Potential

o   Excellent written and verbal communication

o   Ability to adjust technical depth depending on audience

o   Structured and persuasive thinking

o   Comfortable operating in ambiguity

o   Ambition to grow into a Technical & Solution Architect role

o   Ownership mindset and startup resilience

What Success Looks Like:

Within 6–12 months, success in this role means owning key architectural decisions and leading solution design discussions both internally and wi