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

Delta Capita; Greater London; Hybrid; GBP 100,000 - 140,000; Full time

Job summary

Delta Capita in London is seeking a Technical & Solution Architect to lead the design of a distributed ledger-based post-trade platform within regulated financial services. You will work across product management, engineering, and client discussions to document and evolve the system architecture and technical direction.

This role blends hands-on leadership with strategic thinking, offering ownership of architectural decisions, alignment with regulatory requirements such as CSDR and GDPR, and a

Qualifications

• Strong experience designing and documenting software products.
• Solid understanding of distributed systems principles.
• Familiarity with tokenisation and digital asset concepts.
• Good understanding of API design (REST, event-driven architectures, etc.).
• Ability to translate regulatory and market requirements into technical design.

Responsibilities

• Maintain and improve our existing documentation framework.
• Produce technical documentation for the core product and deployments.
• Define and evolve system architecture, APIs, and integration patterns.
• Design scalable distributed solutions in regulated environments.
• Communicate complex technical concepts to engineers, product teams, and regulators.
• Lead solution design discussions and own architectural decisions.

Skills

Software architecture

Technical documentation

Distributed systems

API design

Regulated financial services

Communication

Job description

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 document and evolve the design of a distributed ledger-based post-trade platform operating within regulated financial services. You will initially contribute as our technical documentation lead 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 technical writer or 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.

Requirements

Responsibilities

Technical Documentation

• Maintain and improve our existing documentation framework
• Produce and maintain technical documentation for the core product:
• How its business capabilities have been implemented
• How it can be deployed and operated by our clients
• How it should evolve to meet new business requirements
• Design scalable and secure distributed solutions in regulated environments
• Define and evolve system architecture, APIs, and integration patterns
• Apply appropriate software design patterns and architectural principles
• Contribute to product hosting and capacity planning decisions
• Ensure auditability, resilience, and operational robustness

Distributed Ledger & Digital Assets

• Work with distributed ledger technologies and smart contracts. Design models for:
• Tokenised assets
• Natively digital assets
• Atomic settlement
• DvP and RvP mechanisms
• Central bank digital currency (CBDC) integration concepts
• Evaluate trade-offs between on-chain and off-chain components
• Translate regulatory and market structure requirements into technical documentation and design
• Understand settlement models and post-trade infrastructure
• Work within business frameworks such as CSDR and GDPR

Communication & Influence

• Communicate complex technical concepts clearly to engineers, product management, clients, and regulators (where applicable)
• Tailor messaging to different audiences.
• Use structured thinking and persuasive communication to amplify the impact of our technology
• Contribute to technical documentation and client materials

Requirements:

Technical:

• Strong experience designing and documenting software products
• Solid understanding of distributed systems principles
• Familiarity with tokenisation and digital asset concepts
• Good understanding of API design (REST, event-driven architectures, etc.)

Financial Services Knowledge (or strong motivation to learn):

• Understanding of post-trade processes
• Familiarity with: CSDR; Central securities depositories; DvP and RvP models; Atomic settlement
• Appreciation of regulatory constraints in financial infrastructure
• Ability to adjust technical depth depending on audience
• Structured and persuasive thinking
• Ambition to grow into a Technical & Solution Architect role
• Ownership mindset and startup resilience

What Success Looks Like:

Within 6–12 months, success in this role means closing technical documentation gaps, owning key architectural decisions, and leading solution design discussions both internally and with partners. You'll be the go-to person for system-level trade-offs, using your technical insight to influence and document product direction, and you'll act as the bridge between business requirements and engineering implementation.

How We Work:

Delta Capita is an equal opportunity employer. We positively encourage applications from suitably qualified and eligible candidates regardless of age, colour, disability, national origin, ancestry, race, religion, gender, sexual orientation, gender identity and/or expression, veteran status, genetic information, or any other status protected by applicable law.

We will ensure that individuals with disabilities are provided reasonable accommodation to participate in the job application or interview process, to perform essential job functions, and to receive other benefits and privileges of employment. If you require any reasonable adjustments through your interview process, please inform us.

This is a permanent full-time position. As the selection and interview process is ongoing, please submit your application in English as soon as possible, if your profile is selected, a member of our team will contact you within 4 weeks.

Who We Are:

Delta Capita Group (a member of the Prytek Group) is a global managed services, consulting, and solutions provider with a unique combination of experience in Financial Services and technology innovation capability. Our mission is to reinvent the financial services value chain providing technology based mutualized services for financial institutions for non-differentiating service.

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