Staff Engineer, Payments (Fintech)

TL;DR

Staff Engineer, Payments (Fullstack/AWS): Developing and scaling the payments domain for a global financial operations platform with an accent on event-driven architectures and LLM-assisted development. Focus on building high-quality production code using Node.js and React, driving technical direction, and implementing AWS serverless infrastructure.

Location: Hybrid in Sydney, Australia

Company

A leading financial operations company providing businesses with real-time financial control and global payment solutions across 180 countries.

What you will do

• Write efficient, maintainable code using Node.js and TypeScript, leveraging LLMs for speed and quality.
• Set the technical direction for the payments domain and drive solution design discussions.
• Develop and deploy applications across an event-driven AWS stack including Lambda, DynamoDB, and EventBridge.
• Collaborate with other Staff engineers and tech leads to maintain engineering standards and conduct code reviews.
• Identify and resolve technical debt and support Level 3 production issues.
• Mentor junior engineers to improve the overall technical capability of the team.

Requirements

• 10+ years of commercial software development experience with recent, hands-on coding as a core part of the role.
• Extensive experience with TypeScript, Node.js, and React.js in production environments.
• Deep knowledge of AWS serverless and event-driven services (Lambda, API Gateway, DynamoDB, SQS, SNS, EventBridge).
• Experience deploying infrastructure using AWS CDK.
• Ability to write technical design documentation such as RFCs and Architecture Decision Records.
• Strong operational maturity with a focus on observability and failure modes.

Nice to have

• Experience with CI/CD pipelines and configuration management.
• Exposure to container technologies such as Docker.
• Experience working with Design Language Systems.

Culture & Benefits

• Hybrid work model offering work-life balance and flexibility.
• Wide range of learning and career development opportunities, including leadership training.
• "Make a Difference" program featuring an annual volunteer day and matched giving.
• Global reward and recognition programs to celebrate technical expertise and support.
• Gender-neutral primary and secondary carer parental leave (16 weeks) and birthday leave.