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 - advertiser, publisher, and consumer - wins. As a Senior Engineer you will help us continue to scale this groundbreaking platform globally - collaborating with our founders, CTO, product and engineering teams to solve complex technical challenges. We will need you to bring a strong background in full-stack software development using Node, Typescript and React - but most importantly, you are a people person. 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 #J-18808-Ljbffr