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, the leading go-to-market firm for transformative technologies, is seeking a Senior Software Engineer for their Serotonin Platform. Since 2020, they've supported over 300 clients in consumer tech, web3 infrastructure, digital assets, venture capital, and AI. With a global team of 90 across 15 countries, they provide end-to-end marketing solutions including PR, growth marketing, and design.

The ideal candidate will join as a Sr. Software Engineer working on the Serotonin Platform, bringing deep software development experience and broad knowledge across design, product, and data. The role requires 5+ years of experience, with a preference for early-stage startup experience and 0 to 1 product development.

You'll work with both web2 and web3 technologies, using tools like React, Next.js, PostgreSQL, and TypeScript. The position offers significant autonomy in defining features and product direction, while also contributing to team growth through mentorship and technical leadership.

The role combines technical expertise with strategic thinking, requiring someone comfortable with ambiguity and independent progress. You'll need deep expertise in modern JavaScript/TypeScript and experience with React and Node.js. While web3 knowledge is beneficial, it's not mandatory.

Benefits include competitive compensation ($160,000-$200,000), health insurance, 401(k) for US employees, remote work flexibility, and parental leave. This is an excellent opportunity for a senior engineer looking to shape a product from the ground up in the transformative technology space.

Senior Software Engineer position at Serotonin, working on web3 platform development using React, TypeScript, and Node.js with competitive compensation and benefits.

Web3 Sr. Software Engineer, Serotonin Product Studio

A company on a mission to help build the decentralized future, focusing on NFTs and web3 culture.

Join Serotonin, a company at the forefront of NFTs and web3 culture, as a Senior QA Automation Engineer (TypeScript). In this role, you'll shape quality assurance practices and ensure exceptional product delivery. Collaborating with cross-functional teams, you'll establish robust processes, implement effective testing strategies, and foster a culture of quality.

Key responsibilities include designing and executing test cases, developing automated testing frameworks, and leading QA best practices. With 5+ years of experience in software quality assurance and a focus on frontend automation, you'll contribute to building the decentralized future.

Serotonin offers a dynamic work environment with global impact, unlimited paid time off, and ownership through stock options and token grants. Whether you prefer remote work or are interested in relocating to their Lisbon office, this role provides an opportunity to be at the cutting edge of Web 3 innovation.

If you're passionate about quality, have excellent communication skills, and want to contribute to the rapidly evolving blockchain and NFT space, this position offers an exciting chance to make a significant impact in a growing field.

Senior QA Automation Engineer role at Serotonin, focusing on TypeScript and web3 technologies, offering remote work and equity.

Senior QA Automation Engineer (TypeScript)

Serotonin is a recruiting services company that connects talented professionals with innovative companies in the tech industry.

Our client is on a mission to build a more financially inclusive future by making the power and utility of the US Dollar accessible across the globe. They are developing AUSD, the first fully collateralized, freely tradable digital dollar that is partner-focused, open, scalable, and dependable. The goal is to create a more stable and accessible cryptocurrency that empowers individuals and businesses worldwide.

As a Senior Front-End Engineer, you'll be working in a dynamic and fast-paced environment, taking ownership of projects from start to finish. This role is ideal for someone passionate about web3 and crypto, with a focus on code quality and maintainability. You'll be developing and maintaining responsive web applications using JavaScript, ES6, Preact, and modern CSS techniques.

Key responsibilities include collaborating with cross-functional teams, optimizing applications for speed and scalability, ensuring technical feasibility of UI/UX designs, and writing clean, maintainable code. You'll also participate in code reviews and contribute to team knowledge sharing.

The ideal candidate should have 3-6 years of professional experience in Front-End development, with strong proficiency in ES6 and React (or Preact). You should have a solid understanding of modern CSS, experience with state management libraries (preferably Signals), and familiarity with RESTful APIs. Knowledge of responsive design principles, version control systems, and the crypto/blockchain space is highly valued.

This position offers a competitive salary and benefits package, flexible working hours, remote work options, and opportunities for professional growth. Join a passionate and innovative team in a collaborative and inclusive company culture, working at the forefront of cryptocurrency and financial technology.

Senior Front-End Engineer position at Serotonin, developing cutting-edge cryptocurrency applications with modern web technologies.

Senior Front-End Engineer

Serotonin is a company revolutionizing the crypto industry through innovative exchange solutions.

Join Serotonin, a company at the forefront of revolutionizing the crypto industry! As a Mobile Engineer, you'll play a crucial role in scaling the team for this growing exchange. Your primary responsibility will be developing and enhancing the Mobile App for both Android and iOS, ensuring a seamless and optimized user experience.

This role offers an exciting opportunity to own projects from inception to completion and make a significant impact in the web3 space. You'll be rolling out essential features for the Mobile App on Android and iOS platforms, continuously optimizing the app, identifying and fixing bugs to ensure a smooth and efficient user experience.

The ideal candidate is passionate about web3 and the broader crypto ecosystem, with 3+ years of experience specializing in React Native and mobile app development. You should be fluent in English with strong communication skills to collaborate effectively with our global team. We're looking for innovative thinkers ready to bring creative solutions and ideas to the table, pushing the boundaries of what's possible in mobile development.

Join our team and be part of shaping the future of cryptocurrency exchanges through cutting-edge mobile development. If you're excited about the challenge of working in a fast-paced, evolving industry and want to make a lasting impact, this role at Serotonin is perfect for you!

Join Serotonin as a Mobile Engineer to develop and enhance crypto exchange apps for Android and iOS using React Native. Make an impact in web3!

Mobile Engineer

Serotonin is a company focused on developing innovative solutions in the web3 and cryptocurrency space.

Serotonin is seeking a Wallet Engineer to be at the heart of driving mass adoption of their exciting exchange. This role is perfect for someone passionate about web3 and crypto, ready to take ownership of projects from start to finish in a dynamic and fast-paced environment.

As a Wallet Engineer, you'll be instrumental in developing and enhancing their Wallet, ensuring it meets the highest standards of performance and security. Your responsibilities will include implementing essential features for the Wallet, optimizing its performance, and managing projects through their entire lifecycle.

The ideal candidate will have 2+ years of experience in Rust and blockchain software development, with a proven track record of building robust applications. You should be highly fluent in English, with excellent communication skills to collaborate effectively with our international team. Most importantly, you should be passionate about web3 and the evolving crypto landscape, and driven to explore and implement new technologies and solutions in the blockchain space.

This is a full-time, remote position based in Chicago, offering you the flexibility to work from anywhere while being part of a cutting-edge project in the cryptocurrency world. If you're ready to take on the challenge of developing a crucial component of a crypto exchange and have the skills to match, this could be the perfect opportunity for you to make a significant impact in the blockchain industry.

Join Serotonin as a Wallet Engineer to develop and enhance their crypto exchange wallet, driving mass adoption of web3 technology.

Wallet Engineer

Serotonin is a recruiting services company specializing in cryptocurrency and blockchain technology.

Are you a Software Engineer with experience using Rust ready to dive into the fast-paced world of cryptocurrency and blockchain technology? Our client is an exciting crypto exchange startup on a mission to revolutionize the way people trade digital assets. They are looking for a passionate individual to join their dynamic team shaping the future of cryptocurrency trading.

As a Software Engineer (Rust) at this innovative crypto exchange startup, you will:
- Work on cutting-edge blockchain and cryptocurrency projects
- Develop and optimize trading systems using Rust
- Connect third-party payment providers, banks, and local fiat channels with the exchange
- Take ownership of projects from end-to-end
- Contribute to the rapid growth of the company in an autonomous work environment

Requirements:
- Proficiency in Rust development
- 2+ years of experience in crypto/blockchain/web3
- Experience connecting third-party payment providers, banks, and local fiat channels with an exchange
- Strong skills in optimization and bug fixing
- Ability to take ownership of projects end-to-end
- Experience with rapid growth and ability to work autonomously
- A degree in Computer Science or a background in low-level systems programming and distributed systems design
- Fluency in English

This role offers the flexibility of working remotely or from offices in Chicago, Dubai, or Tokyo. Join a team that's passionate about driving change in the cryptocurrency industry and be part of shaping the future of digital asset trading. If you're ready for an exciting challenge in the world of blockchain technology, apply now!

Join a dynamic crypto exchange startup as a Rust Software Engineer, shaping the future of digital asset trading with 2+ years of blockchain experience.

Serotonin Engineering Jobs

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.