Jobs at payabl.

Design, build, and maintain high-performance Python microservices (FastAPI, AsyncIO); analyze and extract business logic from legacy systems; refactor and migrate modules into reliable, maintainable services; implement webhooks, callbacks, retry strategies; ensure idempotency, fault tolerance, and robust testing; own services end-to-end and collaborate on architectural improvements.

Design and implement scalable Python microservices, optimize high-performance backend systems, integrate third-party APIs, work with AWS (including Lambda), Docker, CI/CD, and event-driven architectures. Troubleshoot production issues, lead code reviews, drive performance improvements, and mentor engineers in a fast-paced, high-throughput fintech environment.

Design and build reliable, scalable Python microservices; modernize legacy systems by extracting business logic; ensure idempotency, data integrity, and graceful error handling; implement and consume robust APIs; contribute to CI/CD and container infrastructure; collaborate in agile teams with a product-focused mindset.

Design and implement scalable Python microservices, build high-performance backend systems, integrate third-party APIs, deploy on AWS (including Lambda), maintain CI/CD and Docker-based workflows, troubleshoot distributed production issues, drive performance optimizations, and mentor engineers in a remote fintech environment.

Support and extend a Perl-based payment gateway while designing and building next-generation Python microservices. Ensure high performance, scalability, and reliability; integrate third-party payment APIs; collaborate in agile teams; maintain CI/CD, containerization, and cloud deployments; participate in code reviews and product-focused engineering.

Support and extend a legacy Perl payment gateway while architecting and building a next-generation Python microservices platform. Ensure high performance, scalability, and 99.9% reliability; integrate third-party payment APIs; collaborate with DevOps on CI/CD, containerization, and cloud deployments; participate in code reviews and agile sprints; and apply product-focused thinking to deliver robust, production-grade services.

Design, build, and optimize scalable Python microservices and high-performance backend systems in a distributed environment. Work with AWS (including Lambda), Docker, CI/CD, and event-driven architectures (Kafka). Integrate third-party APIs, troubleshoot production issues, lead code reviews, improve performance and scalability, and mentor other engineers within a fast-paced fintech-payments context.

Design, build, and maintain high-performance Python microservices (FastAPI, AsyncIO). Extract and refactor business logic from legacy systems, implement webhooks/callbacks and retry strategies, ensure idempotency and fault tolerance, write unit/integration tests, and own services end-to-end while collaborating across teams.

Maintain and troubleshoot a Perl-based payment gateway while designing and building a next-generation Python microservices platform. Implement high-performance server-side components, integrate third-party payment APIs and webhooks, collaborate in agile teams, uphold code quality, and work with DevOps on CI/CD, containerization, and cloud deployments to ensure scalable, reliable transaction processing.

Build and maintain automated QA frameworks using Python, PyTest, and Selenium. Create and execute feature test cases, perform API, backend, and manual testing, analyze logs, debug system behavior, and document defects. Collaborate with engineering and product teams to validate APM Gateway features, improve testing practices, and deliver stable software.

Lead requirements analysis and documentation for core banking domains (accounts, payments, cards, FX, fees). Define end-to-end payment flows, translate settlement and accounting logic into functional specs, convert regulatory obligations into acceptance criteria, collaborate on API and integration design, support UAT and stakeholder sign-off, and manage scope and dependencies across multiple workstreams.

Lead SecOps Engineer to design, build and operate SIEM and detection stack, onboard log sources, implement AI-assisted triage, run vulnerability management, own incident response, harden AWS, automate operations with IaC and scripts, run tooling PoCs, and provide security engineering consultancy.

Provide high-trust executive support: manage complex calendars across time zones, coordinate meetings and travel, track commitments and approvals, prepare concise meeting briefs, streamline communications, consolidate post-meeting actions, and assist with social content and logistics to keep C-level executives organised and focused.

Manage end-to-end partner lifecycle: identify, negotiate, onboard and grow partnerships (platforms, ISOs, PSPs, tech providers). Own commercial terms, coordinate integrations with product/tech, enable joint GTM, and represent the company at industry events to expand global reach.

Lead acquisition, onboarding, and management of high-value fintech partners (ISOs, PSPs, orchestration platforms). Negotiate complex commercial deals, oversee integrations with product and tech, drive partner-led GTM and revenue growth, mentor junior team members, and represent the company at industry events to expand global reach.

Design and maintain data quality checks and ETL/ELT pipelines, transform raw lakehouse data into validated datasets, document issues and resolutions, and collaborate with engineers and analysts to support analytics needs.

Provide on-site installation, configuration and troubleshooting of POS terminals; support customers and internal teams on POS/payments issues; create merchant accounts, investigate transaction declines, run tests, escalate unresolved issues, and document technical cases.

Provide on-call technical support for payment processing, investigate and resolve complex transaction and API issues, maintain merchant accounts, test integrations, escalate incidents, and clearly communicate findings to customers and internal teams.

The Client Due Diligence Manager oversees the onboarding process for new clients, ensuring compliance with regulations, managing risk assessments, and collaborating with various stakeholders to enhance operational efficiency.

Lead and grow the UK acquiring sales team, develop and execute UK acquiring and POS sales strategy, drive new business and revenue, optimise sales processes, collaborate cross-functionally, ensure regulatory compliance, recruit and coach sales talent, and expand market share.