As part of the AI Platform team, you will play a key role in building the foundational infrastructure, frameworks, and tooling that enable AI-powered products and capabilities across the organization. This role requires a high degree of autonomy and ownership, as you'll be responsible for designing scalable solutions that empower multiple engineering teams while ensuring reliability, observability, and cost efficiency.,

Design, build, and maintain a robust, scalable, and cost-effective AI Platform that supports AI initiatives across the organization.
Develop and maintain internal frameworks, libraries, and services used by multiple product squads.
Establish and promote best practices around prompt engineering, AI guardrails, and AI evaluation methodologies.
Build platform capabilities that enable teams to safely deploy, monitor, and iterate on AI-powered applications.
Configure and maintain tracing, monitoring, observability, and incident management solutions to ensure platform reliability.
Partner closely with product and engineering teams to understand their needs and provide scalable platform solutions.
Continuously improve developer experience and platform adoption across the organization.
Python
FastAPI
Agent Development Kit (ADK)
PostgreSQL
BigQuery
Firestore
Google Cloud Platform (GCP)
RabbitMQ
Terraform
Grafana
Prometheus
Langfuse
incident.io
Sentry
30 min. Call with ourTalent Acquisition Team. So we understand better your career plan, tell you more about Plum and the role ️
45 min. Call with our Engineering Lead. Brief technical discussion about the role and your skills
120 min. Live Coding Call with our Engineers, including System Design exercise and an Implementation phase
30 min. TeamCall with a Product Manager and a Senior Manager from Engineering, for you to understand the business and envision yourself as part of Plum
Offer

5+ years of experience in Software Engineering, Backend Engineering, or Platform Engineering.
Strong experience building and maintaining backend systems and distributed services in production environments.
Experience designing developer platforms, internal tooling, shared services, or infrastructure that supports multiple engineering teams.
Hands-on experience building AI-powered applications and services using modern LLM frameworks and agentic architectures.
Good understanding of modern AI concepts and practices, including:
Large Language Models (LLMs)
Retrieval-Augmented Generation (RAG)
Prompt Engineering
AI Guardrails
AI Evaluation Frameworks

Own part of the company you're helping grow through stock options
Private health insurance
Annual training budget
Plum Premium for free
Competitive referral scheme
Flexible approach to remote working: we encourage at least 2 days a week in one of our beautiful offices in London, Athens or Cyprus
Team breakfasts and team lunches
25 days holiday + bank holidays
45 work-from-anywhere days to give you flexibility to work your way
2 weeks sabbatical after 4 years to take the break you deserve
Enhanced parental leave
1 paid volunteering day annually
Annual team trip to a surprise destination!
A fun, inclusive company culture (think )
Plum is an Equal Opportunity Employer. Plum does not discriminate on the basis of age, race, religion, sex, gender identity, sexual orientation, non-disqualifying physical or mental disability, national origin or any other basis covered by appropriate law. All employment is decided on the basis of qualifications, merit and business need

2 Plum Fintech jobs in England & Wales