Senior DevOps Engineer in London

As a DevOps Engineer at Payter, you will play a crucial role in the company's growth by delivering key software solutions. Joining a small, close-knit team, you will engage in software delivery, collaborating closely with domain owners to deliver high-quality, clean, testable code in line with standards, strategies, and best practices.

At Payter, we are innovators, pioneers, and leaders in the dynamic realm of unattended/self-service contactless and cashless payment technology in a wide range of markets such as Electrical Vehicle Charging, Transportation, Retail, Hospitality, Vending, Charity, Parking, and beyond. The adaptable Payter platform accommodates a diverse range of payment technologies (NFC, EMV, ApplePay, GooglePay, etc.), international banking processes, closed-loop payment and loyalty schemes and telemetry. Through continuous innovation and in-house development, we redefine how vendors connect with their customers, empowering them to boost revenue, enhance user experiences, and access real-time sales and performance data.

We support a broad range of technologies, from Contact & Contactless EMV, Mifare, WiFi, 5G, Bluetooth, Touch Screens and more. Our state-of-the-art products have an extremely long service life, are of high quality, compliant with multiple international standards, boast great design, are user-friendly for all, multifunctional, and easy to integrate.

Responsibilities:

• Lead the design and implementation of scalable, secure cloud infrastructure for our new platform while maintaining and enhancing existing production systems alongside the current DevOps team.
• Architect and implement comprehensive Infrastructure as Code solutions using Terraform, establishing reusable modules and advanced deployment patterns across multiple environments.
• Design, build, and optimise complex CI/CD pipelines using Bitbucket Pipelines, incorporating advanced deployment strategies including canary releases, and automated rollback mechanisms.
• Implement sophisticated monitoring, logging, and alerting systems using GCP native tools, with emphasis on proactive anomaly detection, predictive failure analysis, and SLO/SLI management.
• Drive automation initiatives across the organisation, eliminating manual processes and establishing GitOps workflows and Everything-as-Code practices for consistent infrastructure management.
• Lead security implementation ensuring PCI-DSS, PCI-PIN, and PCI-P2PE compliance, including infrastructure hardening, access controls, and integrated security scanning within deployment pipelines.
• Work with existing DevOps engineers and collaborate with Software Engineering teams to optimise deployment processes and foster a culture of continuous improvement.
• Establish and maintain disaster recovery procedures, backup strategies, and high-availability architectures to ensure business continuity and system resilience.

Qualifications:

• 5+ years of Senior DevOps/Site Reliability Engineering experience with demonstrated expertise in leading complex, enterprise-scale cloud infrastructure projects and team mentorship.
• Expert-level proficiency with Google Cloud Platform including advanced services (GKE, Cloud Run Services, VPC networking, IAM, Cloud Armor, API Gateways) and cost optimisation strategies.
• Deep expertise in Bitbucket and Bitbucket Pipelines including complex workflow orchestration, parallel execution strategies, advanced branching models, and pipeline optimisation techniques.
• Advanced Terraform experience including module development, remote state management, workspace strategies, and enterprise-scale infrastructure provisioning patterns.
• Proven experience with Kubernetes administration including cluster management, advanced networking, service mesh implementation, resource optimisation, and troubleshooting distributed systems.
• Demonstrated ability to design and implement highly available, fault-tolerant systems with experience in event-driven architectures, microservices, and distributed system challenges.
• Advanced knowledge of database administration (SQL/NoSQL), caching technologies, and data pipeline optimisation in cloud-native environments.
• Strong expertise in security practices, compliance frameworks (PCI-DSS, PCI-PIN, PCI-P2PE), infrastructure hardening, and security monitoring with hands-on experience in network security and access management would be advantageous.

Technical Skills:

• Cloud Platform: Expert-level Google Cloud Platform (GCP) including advanced service integration, networking, and cost management.
• Version Control & CI/CD: Advanced Bitbucket and Bitbucket Pipelines expertise with complex workflow design and optimisation capabilities.
• Infrastructure as Code: Deep Terraform proficiency including enterprise module development, state management, and advanced provisioning patterns.
• Container Orchestration: Advanced Kubernetes (GKE) administration including service mesh, advanced networking, and performance tuning.
• Monitoring & Observability: Google Cloud Logging, Cloud Monitoring, distributed tracing, and advanced alerting with SLI/SLO implementation.
• Security & Compliance: PCI-DSS, PCI-PIN and PCI-P2PE standards implementation, infrastructure security hardening, and automated security scanning integration.
• Database & Caching: Advanced experience with cloud databases (Alloy DB, Cloud SQL, Firestore, BigQuery), Memcached, and data pipeline optimisation.
• Networking & Load Balancing: Expert knowledge of GCP VPC design, Cloud Load Balancer configuration, firewall management, and hybrid cloud connectivity.
• Software Development Practices: Advanced Git workflows, automated testing integration, code review processes, and understanding of software architecture patterns.

Soft Skills:

• Excellent technical communication skills, demonstrated by experience in bringing the team on the journey, and promoting DevOps best practices.
• Advanced problem-solving and analytical thinking capabilities, with proven expertise in diagnosing complex distributed system issues and implementing comprehensive solutions.
• Outstanding communication skills, capable of clearly articulating technical challenges and solutions to diverse audiences, including executives, product managers, and development teams.
• A strong commitment to quality and continuous improvement, coupled with a passion for delivering enterprise-grade, maintainable solutions that inspire pride within teams.

What we have to offer:

• Competitive compensation including a discretionary bonus based on business results.
• Great benefits like 25 leave days plus extra monthly "wellbeing days", a travel allowance and an attractive pension plan.
• Flexible working options within the Netherlands (Rotterdam office or hybrid/remote) or fully remote in the UK; we are not hiring outside these regions at this time.
• Thriving in a close-knit environment valuing flexibility, work-life balance, and mental well-being.
• Join Payter and become part of an international scale-up, shaping the future in a booming market where you can have impact and growth opportunities.