Platform Engineer

About Lumi

Lumi is a prominent fintech company providing tailored financing solutions to Australian small businesses. Since 2018, Lumi has funded over $1.5 billion to support more than 15,000 businesses with flexible and speedy financial products. The company is recognized for exceptional service, customer-centricity, and innovative approach.

Work Culture and Values

Lumi fosters an environment encouraging growth, inclusivity, and collaboration. The workplace is distinguished by multiple awards such as the Finnies’ 2025 Outstanding FinTech Leader award, top 3 ranking in the 2024 Australian Financial Review BOSS Best Places to Work in Financial Services, 2023 Best Workplace Diversity Award from FinTech Australia, and more. The company promotes a respectful atmosphere with openness to adjustments ensuring fairness during recruitment.

Core values include:

• Humility and accountability: embracing ownership and teamwork without judgment
• Customer focus: actively understanding and delivering effective solutions
• Lean thinking: simplifying processes with resourcefulness and foresight
• Continuous learning: fostering curiosity, innovation, experimentation, and resilience

Role Overview

The Platform Engineer will serve as a critical link between the development teams and infrastructure operations, ensuring robust platform reliability, scalability, and performance. This hands-on technical position focuses on expanding infrastructure capabilities, enhancing CI/CD pipelines, and developing thorough monitoring systems to support rapid deployment cycles.

The role also includes optimizing database systems, primarily MongoDB and Postgres, to improve query performance and manage clusters effectively. Additionally, the engineer will contribute to the pioneering stages of building production-grade MLOps and AI agentic infrastructure, gaining practical experience in cutting-edge AI technologies.

Candidate Profile

• Practical experience with AWS cloud services, Docker containers, and Kubernetes orchestration or equivalent technologies
• Background in designing and maintaining CI/CD pipelines along with comprehensive infrastructure monitoring frameworks
• Skill in monitoring and optimizing database performance, specifically MongoDB and Postgres, including expertise in cluster management and query tuning
• Keen interest in adopting MLOps principles and aiding the development of AI infrastructure for production use

Employee Benefits

• Wellbeing support with free counselling, wellness programs, allowance, and flu vaccinations
• Work-life balance amenities such as home office allowance, flexible and purchased leave options, parental supports, and dedicated breastfeeding spaces
• Social engagement through monthly team lunches, celebrations, stocked kitchen, rooftop BBQs, and recreational games
• Recognition programs including competitive salary, referral bonuses, and public acknowledgements
• Community involvement with paid volunteer days and company-organized social support initiatives
• Career development opportunities including rapid progression, education sponsorships, and internal hackathons