Senior Software Engineer II

- Design, build and maintain high-quality software across multiple services and components.
- Produce clear technical designs aligned to RX architecture principles and engineering standards.
- Build secure, resilient, observable and maintainable systems that reduce long-term operational cost.
- Lead pragmatic technical decision-making, making appropriate trade-offs between speed, quality and sustainability.
- Improve test strategy, deployment confidence, code quality and engineering practices across the team.
- Own the operational health of services, including monitoring, incident response, post-mortems and remediation.
- Work closely with Product and business stakeholders to deliver measurable customer and business outcomes.
- Mentor engineers through code reviews, pairing, technical guidance and knowledge sharing.

- Experience delivering large, complex, global or multi-tenant production systems.
- Strong ability to translate ambiguous requirements into scalable, incremental technical solutions.
- Experience working in Agile, cross-functional product development teams.
- Strong communication skills, with the ability to explain technical topics clearly to engineers, product teams and business stakeholders.
- Proven ownership of production services, including reliability, observability, incident response and continuous improvement.
- track record of mentoring engineers and improving team engineering capability.
- Strong proficiency in C#/.NET, JavaScript or TypeScript, React and SQL/PostgreSQL.
- Experience designing, operating and optimising cloud-native applications on AWS, including services such as EC2, Lambda, S3, SNS, SQS and Elastic Beanstalk.

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