Senior Software Engineer

Ad fatigue is killing engagement, but we're fixing it. Thanks (thanks.co) is seeking a Senior Software Engineer to join our team and play a pivotal role in building the only advertising platform where everyone wins.

As a Senior Engineer you will play a key role in scale this groundbreaking platform globally - working closely with our founders, CTO, product and engineering team to solve complex technical challenges. We will need you to bring a strong background in full-stack software development using Node, Typescript and React, and a collaborative approach to your work.

What you’ll do

• Build impactful software across the stack – designing, developing, testing, and deploying frontend and backend features using modern, cloud-native technologies.
• Shape architecture and technical direction - contributing to system design, technology choices, and scalable infrastructure decisions.
• Collaborate cross-functionally with product, design, and other software engineers to gather requirements, scope solutions, and deliver high-quality features.
• Champion engineering best practices including clean code, security, documentation, testing, code reviews, and CI/CD.
• Support and maintain production systems, troubleshooting issues, resolving bugs, and ensuring performance, security, and uptime.
• Communicate openly and clearly with the team, sharing progress, risks, and blockers while contributing to a collaborative and feedback-friendly culture.

What we’re looking for

• Strong, proven experience working on modern TypeScript / Node.js / React platforms.
• Strong software design and architecture skills, with a history of building scalable and maintainable systems.
• A deep understanding of software engineering best practices including CI/CD, testing, documentation, observability, and security.
• Comfort with ambiguity and a desire to help bring structure to evolving systems and processes.
• Pragmatic problem-solving skills, balancing ideal solutions with shipping value quickly.
• Clear communicator who thrives in cross-functional collaboration with product, design, and leadership.
• Ownership mindset – someone who actively drives initiatives forward and takes responsibility for outcomes.
• A team-first attitude – humble, kind, and supportive of others.
  

Nice to have - but can be learned in the role

• Understanding of or experience with adtech or martech - such as ad serving, ranking, attribution, conversion tracking, audience targeting, matching, or DSPs.
• Knowledge of the CloudFlare ecosystem (Workers, Queues, KV, etc.)
• Experience with data analytics, such as ClickHouse and / or similar OLAP platforms.
• Understanding of SRE practices and tooling.
  

Thanks' tech stack

• Turborepo / NodeJS / TypeScript
• React / NextJS / React Native
• Prisma / PlanetScale
• CloudFlare (Workers, Queues, KV, etc)
• Vitest / Playwright
• GitHub Actions
• DataDog / Sentry / OpenTelemetry
• Statsig

Why Thanks?

What if people actually loved ads? Thanks makes this possible. We're a Sydney-headquartered, global company on a mission to kill ad fatigue and create advertising that consumers genuinely appreciate. Our industry-leading engagement goes beyond capturing attention - we delight, reward, and transform how people experience ads.

Here's why you'll love working with us:

• Direct Impact: Your work will significantly shape our products and trajectory as we scale rapidly.
• Ownership and Autonomy: Help us build the only ad network where everyone wins. We'll give you the right tools, freedom, and collaborative environment to succeed and achieve your biggest goals.
• Competitive Package: Enjoy a competitive salary, plus stock options to share in our success.
• Growth Trajectory: Thrive in an environment of rapid change, constant challenges, and endless opportunities. You'll work closely with leadership in a culture that values courage, appreciation, and kindness.
• Comprehensive Benefits: Enjoy a benefits package designed to support your needs and wellbeing.
• Flexibility: Work flexibly, with two required days (Tuesdays and Thursdays) at our Bridge Street office in Sydney. #LI-Hybrid

We're tackling big challenges in advertising technology by creating our own ecosystem, not copying what exists. If you're excited to innovate, influence, and grow at a rapidly scaling company, we'd love to hear from you - let’s build something extraordinary together!