Senior Backend Engineer (Spaceship)
Skills
About the role
Senior Backend Engineer
Spaceship (Fintech – Australia)
Spaceship is an innovative Australian fintech company offering investment and superannuation solutions designed for modern investors. Through low-cost portfolio investing and technology-driven financial products, Spaceship helps people build long-term wealth using scalable and user-friendly digital platforms.
About the Role
We are seeking an experienced Senior Backend Engineer to design, build, and maintain the core server-side systems that power our fintech platform. You will work on high-performance, secure, and scalable systems supporting investment, trading, and financial services at scale.
This role is ideal for an engineer who enjoys solving complex technical problems and contributing to system architecture, performance, and engineering excellence.
Key Responsibilities
System Design & Architecture
Design scalable backend systems and microservices
Build architecture for high-traffic fintech applications
Define data models and choose appropriate SQL/NoSQL databases
Ensure system reliability, scalability, and performance
Backend Development
Develop and maintain RESTful and/or GraphQL APIs
Build backend services using Python, Java, Node.js, Go, or similar
Integrate third-party services (payments, identity verification, trading systems)
Debug and resolve complex production issues
Cloud & DevOps
Deploy and manage applications on AWS, Azure, or GCP
Work with Docker, Kubernetes, and CI/CD pipelines
Monitor system performance, uptime, and reliability
Improve scalability and reduce system downtime
Security & Performance
Implement authentication and authorization (OAuth, JWT)
Ensure secure handling of financial and personal data
Support high-volume transaction processing systems
Optimise performance for speed, scale, and cost efficiency
Leadership & Collaboration
Mentor junior and mid-level engineers
Conduct code reviews and enforce engineering standards
Collaborate with product, design, and data teams
Contribute to technical strategy and architecture decisions
Requirements
5–10+ years of backend or software engineering experience
Strong knowledge of system design and distributed systems
Proficiency in at least one backend language (Java, Python, Node.js, Go, etc.)
Experience with cloud platforms (AWS / GCP / Azure)
Strong SQL and database design skills
Experience with APIs, microservices, and CI/CD pipelines
Strong debugging and problem-solving skills at scale
Degree in Computer Science, Software Engineering, or related field (or equivalent experience)
Experience in fintech, SaaS, or large-scale systems highly valued
Leadership or mentoring experience preferred
What We Offer
Opportunity to work on large-scale fintech infrastructure
Modern engineering stack and cloud-native environment
Strong engineering culture with high technical standards
Career growth and leadership opportunities
Impactful work building tools that help people invest and grow wealth
Join Spaceship and help build the backend systems powering the future of digital investing.
Pay: From $12,000.00 per month
Benefits:
Dental insurance
Employee mentoring program
Health insurance
Life insurance
Professional development assistance
Referral program
Vision insurance
Work Location: In person
Questions about this role
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