Senior DevOps Engineer

Reports to: Technical Operations Manager

Location: London /Hybrid

Term: Permanent / Contract / Full-time

B4B Payments is a multi-award-winning, global financial services technology company offering an advanced transaction payments platform and APIs for emerging payments and financial services. Our flexible technology and comprehensive services include embedded finances, payment accounts, FX, rapid payouts, physical and virtual card issuing, and BIN sponsorship.

With 20 years of expertise in payments, B4B Payments is headquartered in the UK. In Europe, B4B Payments is regulated as an e-money institution (EMI) authorised by the Financial Conduct Authority (FCA) and the Bank of Lithuania and is a Mastercard® Principal Member.

B4B Payments’ US division (B4B Payments USA, Inc. ) is based in Boston, MA, and specialises in enabling companies to reduce costs and increase efficiency in managing corporate expenditure and global payouts.

B4B Payments Europe and US divisions offer full and partial program management and support, in addition to comprehensive technical, regulatory, and service support to fintechs looking to launch or grow domestically and internationally.

B4B Payments is a Banking Circle Group company. A next-generation financial technology platform for global commerce, Banking Circle Group comprises a rich set of complementary e-commerce solutions. From international cross-border payments, accounts and liquidity management, and embedded finance to business payments & card issuing, B2B Buy Now Pay Later, and account-to-account payment methods, the ecosystem is delivering modern financial solutions to

some of the largest and most successful companies around the world, as they accelerate the digitalisation of their customer and supply-chain.

We're seeking a Senior Dev Ops Engineer to play a key role in the evolution of our cloud platform and payments infrastructure. Working within a highly regulated fintech environment, you'll be responsible for ensuring our platforms are secure, scalable, resilient and highly automated.

This position offers the opportunity to influence engineering standards, cloud architecture, platform strategy and Dev Ops best practices across a business delivering API-driven payment and card solutions. B4B is implementing an API-first payments platform supporting cards, accounts, payments, FX, webhooks and OAuth-secured integrations.

We've fully embraced AI-assisted engineering across the team, and we're looking for people who want to push that further, not someone who merely tolerates it.

• Own and evolve cloud infrastructure across production and non-production environments
• Integrate AI tooling into daily engineering workflows (code, infrastructure, incident response) as a default way of working
• Design and implement Infrastructure as Code standards
• Build and optimise scalable CI/CD pipelines to accelerate software delivery
• Drive platform reliability, observability and operational excellence
• Collaborate with Software Engineers to deliver resilient solutions
• Champion Dev Ops culture, automation and engineering best practices
• Lead incident response, root cause analysis and platform improvements
• Implement monitoring, logging and alerting frameworks to support critical applications
• Ensure infrastructure meets security, governance and compliance requirements
• Support business continuity, disaster recovery and high-availability initiatives
• Mentor engineers on cloud, automation and Dev Ops practices

You are likely to have experience across several of the following:

• Kubernetes or ECS
• Terraform
• Git Hub Actions, Azure Dev Ops, Git Lab CI or Jenkins
• MySQL, MariaDB or postgreSQL
• Python, Bash or Power Shell
• Prometheus,…