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Recently postedFull timeTechnology

Platform Engineer: Scale AI-Driven Fintech Infra

LumiSydney, Sydney🇦🇺Australia

Quick overview

SeniorityMid Senior
Employment typeFull Time
Work modeHybrid
LocationSydney, Sydney, Australia
DockerMongoDBAWSMLOpsReactKubernetesTypeScriptCI/CD

Job description

We're aleading Fintech small business lenderfuelling growth by making finance more accessible.

We deliverfast and flexible fundingdesigned to meet the unique needs of Australian businesses. With over $1.5 billion funded since 2018 and backing for 15,000+ small businesses,we're trusted for our speed, high quality service, and tailored approach.

Working At Lumi

We are building a culture where you can grow and make a difference for customers. We are looking for people to join us on this journey who are passionate, curious and great problem-solvers.

We are incrediblyproud of our awards, including most recently our Deputy CEO, Anna Hawter, receiving the Finnies'2025 Outstanding FinTech Leader of the Yearaward. We also ranked in the top on the2024 Australian Financial Review BOSS Best Places to WorkBanking,

Superannuation and Financial Services list,2023 Best Workplace DiversityAward by FinTech Australia and the2022 Empowering Innovation Affie Award. We also rankedamong thefastest-growing technology companies in Australiain the2022 Deloitte Technology Fast 50Australia.

We foster a workplace where everyone feels a sense of respect and can reach their full potential. If you need any adjustments for a fair recruitment process, please let us know when applying.

Our Values

Egos at the door

We own. We don't judge. We don't blame. We are open. We are in this together.

See the customer

We show up. We understand. We anticipate. We do what we say. We genuinely focus on solutions.

Think lean

We make things simple. We are resourceful. We understand the problem. We think ahead.

Learn to grow

We are curious. We challenge. We try. We fail forward. We learn. We try again.

Job Description

The Role

As a platform Engineer, you will bridge the gap between software development and infrastructure system operations to ensure the reliability, performance, and scalability of our engineering platforms.

This is a highly technical, hands-on role where you will focus on building out our infrastructure, refining CI/CD pipelines, and establishing robust monitoring systems to support our fast-paced deployments.

You will play a crucial part in optimizing our databases and supporting our modern event-driven architecture, enabling our engineering teams to deliver high-quality software efficiently and securely.

Additionally, we are in the early stages of an exciting journey to build MLOps and agentic infrastructures. This role presents an excellent opportunity to learn and actively participate in building and scaling production-level AI infrastructure and agents.

Qualifications

This Person Is Someone With

  • Strong software development background, with at least 3years of experience in hybrid Software Engineering and DevOps or Site Reliability Engineering (SRE) roles.
  • Proficiency in TypeScript and React, alongside a strong familiarity with modern event-driven microservice architectures.
  • At least 1 year of hands-on experience building CI/CD pipelines and creating comprehensive infrastructure monitoring systems.
  • Hands-on experience in Docker. Kubernetes management experience is highly preferred.
  • Proven experience in database performance monitoring and optimizations, specifically with hands-on expertise in MongoDB and Postgres cluster management query optimization, and performance tuning.
  • Experience with AWS infrastructure as an excellent add-on.
  • An eagerness to learn MLOps principles and a strong desire to help build out new production-level AI infrastructures.
Additional Information

Wellbeing:Free counselling, seasonal activities, Wellbeing Allowance, wellness room, flu shots

Work Life:Home Workspace Allowance, Purchased Leave, Parental Leave, Parental Flex Leave, Lumi Life Leave for challenging events, breastfeeding/expressing space

Social & Food:Monthly lunches, regular celebrations, stocked kitchen, beer & kombucha on tap, board games, rooftop BBQs

Rewards & Recognition:Competitive pay, referral bonuses, shout-out recognitions

Career & Growth:Rapid advancement opportunities, higher education sponsorship, hackathons

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