Technical Consultant: Payments & IntegrationDigital Speed • London, England, United Kingdom
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Technical Consultant: Payments & Integration
Digital Speed
- London, England, United Kingdom
- London, England, United Kingdom
Über
Digital Speed is a full-service product and engineering agency delivering strategy, design, and development for global clients. Our expertise spans Brand, Discovery, UX/UI, and Full-Stack Engineering, alongside product strategy and marketing. We partner with organisations in finance, automotive, sport, and technology to ship dependable, high-quality outcomes at scale.We are driven by 4 key values:
* *Open *- We arrive with options, welcome feedback, and find the best way forward together.
* *Thriving *- New challenges energise us; we learn and improve as a team.
* *Experts *- Specialists who care about their craft and deliver results with structure.
* *Caring* - We take our clients’ goals as seriously as our own and build trusted relationships.
*Where do you fit in?*
You'll join as a Technical Consultant embedded within a major financial services client's digital platform team in London. Working as part of a small, high-impact Digital Speed delivery squad, you'll shape and build proof-of-concept solutions that validate new payment capabilities on enterprise platforms. This is a role for someone who thrives on rapid discovery, technical problem-solving, and translating complex requirements into working prototypes - spanning architecture, integration design, and hands-on development.
*Responsibilities*
* *Discovery & Assessment: *Analyse business requirements, process flows, integration points, data dependencies, and platform constraints for prioritised payment initiatives.
* *Solution Architecture: *Produce architecture artefacts, technical designs, API and integration definitions, data flow mappings, and supporting specifications.
* *Proof of Concept Development: *Build prototypes, demonstrators, technical spikes, integration stubs, APIs, and SDK-related components to validate feasibility and support decision-making.
* *Integration Support:* Shape and test integration approaches including interface mapping, dependency analysis, API/service interaction design, and coordination with client platform teams.
* *Documentation & Playback:* Deliver concise technical notes, architecture observations, implementation recommendations, and status summaries to support client review.
* *Governance & Collaboration:* Participate in stand-ups, checkpoints, reviews, and stakeholder playback sessions. Provide regular reporting on progress, risks, and dependencies.
* *Cross-Team Support:* Deploy flexibly across multiple workstreams and squads to unblock priority items and accelerate progress.
*Characteristics*
* *Simplify:* Turn complex payment flows and messy requirements into clear, validated technical approaches.
* *High-performance:* Care about feasibility, integration resilience, and delivering outputs that stand up to scrutiny.
* *Collaborative:* Comfortable working across squads, giving and receiving reviews, and communicating technical decisions clearly.
* *First-principles:* Handle ambiguity in early-stage initiatives and make trade-offs explicit.
* *Ownership:* Proactive, organised, and comfortable leading technical workstreams end-to-end.
*Requirements*
* Right to work in the UK; fluent in written and spoken English.
* 3 days a week in travel to Digital Speed HQ, London Paddington.
* 4+ years in a technical delivery role within payments, banking, or financial services.
* Strong understanding of enterprise payment platforms, payment processing flows, and transaction lifecycle management.
* Experience designing and building integrations between payment systems - APIs, messaging protocols, service orchestration.
* Comfortable producing solution architecture artefacts and technical design documentation.
* Hands-on prototyping and proof-of-concept development experience.
* Familiarity with modern CI/CD practices, git, and code review workflows.
* Experience working in agile delivery teams within regulated environments.
*Desirable Extras*
* Experience with real-time payment rails, cross-border payments, or settlement infrastructure.
* Prior agency or consultancy experience delivering into large enterprise clients.
* Familiarity with cloud platforms (AWS/Azure/GCP) and containerised deployments.
* Knowledge of OAuth/OIDC, mTLS, or security patterns in financial services.
* Experience with enterprise ERP or core banking platform integrations.
Job Type: Full-time
Pay: £55,000.00-£65,000.00 per year
Ability to commute/relocate:
* London W2 6LG: reliably commute or plan to relocate before starting work (required)
Application question(s):
* What is your current notice period?
Language:
* English (required)
Work authorisation:
* United Kingdom (required)
Work Location: Hybrid remote in London W2 6LG
Application deadline: 17/04/2026
Expected start date: 17/04/2026
Sprachkenntnisse
- English
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