Senior Backend Engineer

Plentific, London Office

The role

This is a hands-on, fully remote role in one of Plentific's cross-functional product engineering teams. The Senior Backend Engineer works alongside product managers, frontend engineers, quality engineers, and other backend engineers to build and operate the services behind repairs, quoting and invoicing, payments, contractor search, messaging, notifications, and fraud prevention. The role is open across the European countries where we currently employ or engage remote engineers.

What you need

Requirements

Expert-level Python and Django, with strong object-oriented design and software engineering fundamentals.
Strong command of API design, service-oriented architecture, distributed systems, and asynchronous processing.
Expert-level relational data modelling, including the ability to produce clear ERDs, define entities, relationships, constraints, and ownership, and design PostgreSQL schemas that balance correctness, performance, and safe evolution.
Demonstrable ability to turn incomplete product requirements into clear technical solution designs for complex backend changes, identifying assumptions and resolving ambiguity with product and engineering colleagues through concise written analysis and appropriate architecture, sequence, data-flow, and entity-relationship diagrams.
Sound judgement around automated testing, observability, production reliability, security, and data integrity.
Strong working fluency with agentic coding tools and spec-driven development workflows, including specification writing, code generation, test generation, and critical review.
Demonstrable ability to review technical designs and code, explain trade-offs, and coach less-experienced engineers.
Clear written and verbal communication, with the ability to explain complex technical concepts and delivery risks in plain English.
Pragmatic delivery judgement, balancing immediate product needs with the maintainability and scalability of a long-lived platform.
High ambition and a strong sense of urgency, with the drive to deliver an ambitious product roadmap at pace using AI, and a positive, can-do attitude.

Experience and qualifications

6+ years of professional software engineering experience, with substantial commercial experience in Python and Django.
Experience building and operating Django-based services in production on AWS and Kubernetes.
Experience with Django REST Framework or FastAPI, PostgreSQL, Redis, Celery, and CI/CD pipelines.
Track record of designing and safely evolving complex relational data models in a large, long-lived production codebase, using ERDs and written technical designs to align engineers and stakeholders while preserving design quality, testability, maintainability, and safe evolution.
Experience working in cross-functional product teams with shared ownership of customer outcomes and production operation.
Experience using AI coding tools in a professional software delivery workflow, ideally within a spec-driven development framework.

Senior Backend Engineer

The role

Senior Backend Engineer

The role

What you need

Requirements

Experience and qualifications

Backend engineering

Quality, reliability, and operations

Agentic and spec-driven development

Delivery and collaboration

Pay and benefits

About Plentific

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Plentific