Lead Engineer – Collections and Treasury

NALA

Lead Engineer for collections and treasury product at NALA, building financial infrastructure. Overseeing design, architecture, and collaboration with stakeholders in a high-paced environment.

Posted 4/13/2026full-timeLondon • 🇬🇧 United KingdomSeniorWebsite

Tech Stack

Tools & technologies

Distributed SystemsGo

About the role

Key responsibilities & impact

Own key architecture and implementation decisions for the collections & treasury foundation
Lead design work (RFCs, diagrams, API and system specs) to align on solutions before building
Partner with PMs and stakeholders to translate business intent into technically sound requirements
Design and build customer-facing and internal APIs to support collections and payment strategies
Build reliable infrastructure for vIBAN provisioning and collections orchestration
Drive engineering quality across API standards, testing strategy, code review bar, and maintainability
Manage delivery by breaking down complex work, sequencing milestones, and keeping projects moving end to end
Make pragmatic trade-offs: move fast where we can, protect correctness where we must (especially in financial systems)

Requirements

What you’ll need

Have worked with Go in a production environment
How to translate business intent into technical requirements and clean system boundaries
What “good” looks like in financial-grade systems, including correctness, reliability, auditability, and operational readiness
Design principles that drive maintainability (single responsibility, separation of concerns, etc.)
API fundamentals, including consistency, versioning, backward compatibility, and developer experience
Requirement gathering
Design-first (this is a must)
Engineering quality
Disciplined execution
Proven delivery of complex backend or distributed systems in a production environment
Experience owning systems end to end, from design to build to ship to operate to iterate
Experience working closely with PMs and stakeholders to shape solutions, not just implement them
Experience making pragmatic trade-offs in startup environments, balancing speed, correctness, and scope
Calm, decisive, and effective in ambiguous environments
Collaborative by default, aligns early, communicates clearly, and brings others along
High ownership with high standards, accountable for outcomes, not just output
Pragmatic, not dogmatic, knows where we can compromise to move fast and where we absolutely should not

Benefits

Comp & perks

27 Days Off Plus UK Bank Holidays
Birthday Leave: Celebrate your special day with a bonus day off to take off in that month.
Enhanced Parental Leave: We offer 16 weeks of full pay for the primary caregiver and 4 weeks of full pay for the secondary caregiver (After a 6-month probationary period)
Enhanced Pension: Salary sacrifice pension scheme via Penfold giving you flexibility and control on how you save for your future!
Global Workspace: Get access to WeWork locations worldwide.
Learning Budget: Fuel your growth with $1000 annually for learning and development.
Sarabi: Themed snacks and Friday lunch focused on building great working relationships with the team.
Monthly Socials: Join fun social events every month for great times.
Free Coffee: Enjoy barista-style coffee at your fingertips.

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills & Tools

GoAPI designsystem architecturecollections orchestrationfinancial-grade systemsbackend systemsdistributed systemsrequirement gatheringdesign principlesengineering quality

Soft Skills

collaborationcommunicationdecisivenessownershipaccountabilitypragmatismadaptabilityleadershipproblem-solvingexecution