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Serotonin LinkedIn

New York
11/03/2025

Who Is Serotonin

Serotonin is the top go to market firm for transformative technologies, specializing in marketing, strategy, recruiting, and legal services. With a global team of 90 across 15 countries, Serotonin has supported over 300 clients in consumer tech, web3 infrastructure, digital assets, venture capital, and AI since its launch in 2020. Delivering end-to-end go-to-market solutions across all major marketing channels-including public relations, growth marketing, on-chain analytics, content, research, social, and design-Serotonin accelerates global innovation. At the core of our business is the Serotonin Platform, serving as a central nucleus for the web3 ecosystem, connecting builders and founders with essential resources to drive business growth.

About The Role

We are currently seeking a talented and experienced Sr. Software Engineer to work on our newest product, the Serotonin Platform. The ideal candidate will have deep experience in Full Stack software development along with broad experience across other functional areas such as design, product, and data. A background in early stage startups and 0 to 1 product development is strongly preferred.

Responsibilities

Use a variety of technologies from both web2 and web3, integrating them seamlessly into both our user experience and tech stack (React, Next.js, PostgreSQL, Prisma, AWS, TypeScript).
Collaborate with other engineers to pick the best technologies, tools, and frameworks for our product.
Help define new feature sets, choose implementation details, and set product direction as part of a high trust, high autonomy team.
Help to grow the engineering team, through both formal processes such as hiring and performance management and informal processes such as technical leadership, mentorship, and guidance.
Stay abreast of industry trends, emerging technologies, and best practices in the blockchain and cryptocurrency domains.
Continuously improve the development process, identifying opportunities for increased efficiency and effectiveness.

Requirements

A minimum of 5 years of experience in software development, with a strong focus on early-stage web product development.

You value having strong opinions, believe in ownership, and thrive in a high-velocity environment.

You're comfortable with ambiguity and can make progress independently.

You've been an early (<10) engineering hire at least once.

You have deep expertise in modern JavaScript/TypeScript, demonstrated through shipping production applications using frameworks like React, Node.js, or similar.

Familiarity with Solidity, smart contracts, and web3 infrastructure is great, but not essential.

Benefits