Dev Ex Engineer III – Infrastructure

This is a fully remote position, open to applicants in United Kingdom, +5 more states.

📋 Description

• Take full ownership of Primer's internal developer platform from start to finish, which encompasses CI/CD pipelines, deployment processes, self-service tools, and ephemeral environments.

• Create the human-AI development loop by developing tools and automation that facilitate engineers working alongside coding agents.

• Measure developer productivity and utilize delivery metrics to pinpoint and resolve bottlenecks.

• Participate in the Core Infrastructure on-call rotation and ensure the reliability of the systems you develop.

• Collaborate with product teams to enhance developer tools, frameworks, and internal APIs.

• Minimize application boilerplate and take charge of paved-road, golden-path tooling and service standards.

• Operate transparently within a fully distributed team, making decisions and trade-offs clear.

• Report directly to the Engineering Manager for Infrastructure & Data.

⛳️ Requirements

• Extensive experience with cloud infrastructure; AWS is preferred, but strong backgrounds in GCP are also acceptable.

• Practical experience with Kubernetes.

• Experience in infrastructure-as-code; Terraform is preferred, but Pulumi, CloudFormation, Ansible, or similar tools are also valid.

• Solid understanding of CI/CD practices, including managing build, test, deploy workflows, and preview environments.

• Proven experience in measuring and enhancing delivery using DORA, SPACE, or comparable frameworks.

• Experience managing production systems and being part of an on-call rotation.

• A genuine background in software engineering, particularly in building and maintaining applications or products.

• Ability to analyze code ergonomics and develop effective AI and developer tools.

• Proficient in async-first communication and effective work within a remote, distributed team.

• Experience with AI or agent tooling / LLM-based development workflows is a plus.

• Familiarity with MCP servers and agent integration patterns is a plus.

• Experience in payments, fintech, or regulated industries is a plus.

🏝️ Benefits

• Competitive share options.

• Uncapped holiday policy, ensuring a minimum of 25 days off.

• Access to co-working spaces in major cities.

• Opportunities for workations and company retreats.

• Top-of-the-line equipment for your role.

• £500 contribution towards your home office setup.

• Generous learning budget.

• Private medical insurance.

• A wide range of additional perks and benefits based on location.

• Strong onboarding process.

• Collaborative work environment.