Remote- Lead Backend Engineer, Distributed Systems - Python

Job Summary

A Lead Python Engineer will play a key role in designing, building, and evolving scalable backend systems across Partnerize’s platform. This is a hands‑on technical leadership role focused on delivering clean, maintainable, and reliable solutions within a modern distributed systems environment. The successful candidate will act as a senior technical contributor and trusted problem solver within their domain, helping shape architecture, drive engineering best practices, and lead technical initiatives across teams.

While this is not a people‑management role, the position requires strong ownership, collaboration, and the ability to lead projects and technical direction across cross‑functional teams. The role will contribute actively to team and cross‑team ceremonies, support platform evolution, and help improve system scalability, performance, and maintainability across the engineering organisation.

• Design, develop, and maintain scalable backend services primarily using Python
• Lead technical delivery across key engineering and platform initiatives
• Contribute to architectural decisions and the evolution of distributed systems across the platform
• Build clean, testable, maintainable, and observable software solutions
• Collaborate closely with Product, Engineering, Infrastructure, and Data teams to deliver high‑quality solutions
• Drive engineering best practices across clean code, testing, CI/CD, refactoring, and maintainability
• Work within asynchronous and event‑driven architectures using modern backend technologies
• Mentor and support engineers through technical guidance and collaboration
• Actively contribute to team and cross‑team ceremonies, technical discussions, and continuous improvement initiatives
• Support troubleshooting and problem‑solving across systems and teams where required

• Extensive software engineering experience using Python within production environments
• Experience designing and developing scalable backend or distributed systems
• Strong understanding of software architecture, OO principles, and integration patterns
• Experience leading technical initiatives or projects across cross‑functional engineering teams
• Experience working with distributed systems, asynchronous processing, and messaging/event‑driven architectures
• Strong knowledge of Agile and Lean delivery approaches and modern engineering practices, including clean code, TDD, refactoring, Domain‑Driven Design, CI/CD, and observability
• Experience designing, developing, and consuming REST APIs and service‑oriented architectures
• Experience working with technologies such as Kafka, Redis, Rabbit
  
  MQ, Celery, MySQL/Postgres, or similar backend technologies
• Strong communication skills with the ability to collaborate effectively with both technical and non‑technical stakeholders
• The ability to communicate in a concise and focused way, listen actively, and approach problem‑solving collaboratively

• BSc Hons in a Computing‑related field or equivalent practical experience
• Experience working within high‑scale SaaS, AdTech, Mar Tech, or data‑intensive environments
• Experience working with cloud‑native technologies and containerised environments such as AWS and Kubernetes
• Practical experience with large‑scale data processing or transactional systems
• Familiarity with monitoring, observability, and performance optimisation practices
• Practical experience developing and consuming REST APIs within distributed systems

• 25 days holiday in addition to bank holidays
• Enhanced parental leave: 6 months full pay for birth parent, 4 weeks non‑birth parent at full pay after one year employment
• 5 extra ‘Partnerize Parental Days’ each year
• Private medical insurance through Vitality
• Enhanced pension contributions
• Cycle to work scheme
• Eye care vouchers
• Life assurance
• Enhanced wellness program including access to EAP, wellness coaching & wellness Fridays program
• Regular company events and activities

We are committed to attracting, developing, and advancing our outstanding team members, regardless of race, ethnic identity, sexual orientation, religion, age,…