Remote- Lead Backend Engineer, Distributed Systems - Python

About the role

At Partnerize, we're on a mission to transform the way businesses grow. We've built the leading partnership automation platform that empowers brands to discover, engage, and convert their audiences at scale. From affiliate marketing to influencer collaborations, we help our clients build and manage profitable partnerships that drive real results. We're a team of passionate problem-solvers who are dedicated to helping our clients win in the ever-evolving world of digital marketing. Why Join Us We're looking for passionate, talented people who want to be part of a winning team. At Partnerize, you'll find a culture of collaboration, innovation, and respect. We're guided by our core values, and we're committed to creating an environment where everyone can do their best work. We also offer a competitive salary, generous benefits, and a flexible work environment that allows you to thrive both personally and professionally. If you're ready to grow your career and make a difference, we'd love to hear from you. 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.

Responsibilities

• 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
• Required Qualifications & Competencies:
• 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, RabbitMQ, 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
• Desired Qualifications & Competencies:
• BSc Hons in a Computing-related field or equivalent practical experience
• Experience working within high-scale SaaS, AdTech, MarTech, 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
• UK Benefits & Perks
• 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

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