Senior Software Engineer

Thanks•New York, NY

3d•Hybrid

About The Position

Thanks is building a rewards and customer-first monetisation platform that delivers sustainable growth – for publishers, advertisers and customers. We’re operating at scale today and entering a phase where execution quality, speed, and sound technical judgment matter more than ever. We’re hiring a Senior Engineer to design and ship meaningful product improvements across our platform. You’ll independently drive work end-to-end, bring clarity to complex decisions, and consistently deliver at pace in a high-trust, high-impact environment. This role is hands-on, product-minded, and execution-focused.

Requirements

Strong experience building production systems using TypeScript, Node.js, and React
Ability to independently design scalable solutions and clearly communicate technical trade-offs
Strong software design fundamentals and system thinking
Comfort owning features from problem definition through to production
Pragmatic judgment – you balance ideal architecture with shipping value
Comfort operating in ambiguity and actively creating structure where it’s missing
High emotional intelligence and strong communication skills
Strong internal drive – you take pride in your craft and care deeply about the quality and impact of what you ship
Uses AI thoughtfully to augment problem solving and delivery – accelerating exploration, debugging, and implementation while maintaining high standards for quality, correctness, and ownership
A genuine ownership mindset – you take responsibility for outcomes and follow through

Nice To Haves

Experience building and scaling production systems in product-led startup or scale-up environments
Exposure to adtech, marketplaces, or performance-driven platforms
Familiarity with Cloudflare (Workers, Queues, KV)
Exposure to data systems such as ClickHouse or similar OLAP platforms
Understanding of experimentation frameworks

Responsibilities

Ship impactful features end-to-end: Design, build, test, and deploy frontend and backend functionality across our TypeScript / Node / React stack.
Design thoughtful solutions: Independently design technical solutions within our architecture, clearly communicating trade-offs while balancing speed, scalability, and long-term impact.
Own meaningful surface area: Take responsibility for a subsystem or domain area, ensuring quality, maintainability, and steady improvement over time.
Bring product thinking into engineering: Challenge scope when needed, contribute to sequencing decisions, and ensure we’re solving the right problems in the right way.
Maintain high engineering standards: Write clean, well-tested code, participate actively in code reviews, and contribute to a culture of contextual quality.
Support production reliability: Troubleshoot issues, resolve bugs, and ensure performance and stability across live systems.
Collaborate openly: Communicate clearly about progress, risks, and trade-offs, contributing to a high-trust, feedback-oriented engineering culture.