Remote Web3 Solidity Jobs in Crypto & Blockchain

Est. Compensation: 80k/yr

Stack: Typescript, Next.js, Nest.js, Azure

Experience: 3+ YOE at startup (or 5+ YOE)

Location: Buenos Aires, Argentina

About Crossmint

At Crossmint we're on a mission to bring the world on-chain. This is an urgent and important matter: as artificial intelligence advances, the lines of what is real and not, are blurring – fostering a growing issue of bot spam, disinformation, deepfakes, and corruption. By bringing the world on-chain, we can create cryptographic proofs that restore our ability to discern what is true, vs not.

How do we do this?

Crossmint is accelerating this transition, by building APIs and tools that make it 100x easier to create, custody and commerce with NFTs and other digital assets.

How do we fund this mission?

We sell our tools and APIs as a service to other companies who wish to integrate NFTs, wallets or credentials inside their systems. We save these companies hundreds of thousands of dollars in infrastructure and engineering, and charge them a fraction to manage all for them in a secure, compliant and low maintenance way. More than 30,000 devs and companies have used us, including Mastercard, Microsoft, Etihad Airways, Red Bull, Adidas, Asus, AC Milan, Phantom, Rarible, Refik Anadol, and Snoop Dogg.

In addition, Crossmint is backed by top tier investors and angels in the fintech and crypto space.

Who are we looking for?

We are looking for folks with extreme ownership, competence and integrity. Our team includes math olympiad winners, Guinness world record holders, athletes, music composers, empaths, and degens. Diverse applicants are encouraged to apply.

Responsibilities

As a Senior Developer for Payments at Crossmint, you will be at the forefront of developing the software and infrastructure needed to custody Non-Fungible Tokens (NFT) and other digital assets. Your responsibilities will include:

• Write high quality code: correct, secure, performant, maintainable.

• Write architectural and design docs: individually and with the team

• Run your projects end to end: from conceptualization, to shipping and beyond.

• Perform On-Call duties: participate in paid on-call shifts (once or twice a quarter).

• Mentor new team members

About you

To thrive in this role, you should possess the following qualifications:

• Provable experience shipping high quality code

• Excellent reading and writing comprehension skills in English****

• Experience working on a team and references to back it

• Educational Background: Hold a Bachelor’s degree in Computer Science or a related field, or equivalent knowledge and skills with industry experience.

• Programming Expertise: Showcase advanced knowledge in at least one modern programming language such as Typescript, Javascript, Java, Python, Go, Rust, Solidity, Kotlin, etc.

Preferred Experience

We highly value candidates with the following experiences:

• Experience working on financial systems/payment processing software

• Blockchain / smart contract knowledge.

• NFT user (or creator): Have a history of making or purchasing NFTs before, showcasing a genuine interest in the NFT space and the importance of secure wallet solutions.

If you are passionate about revolutionizing payments in the NFT space and possess the skills and experience outlined above, we invite you to join us in our mission at Crossmint.

Our Principles

• Results and delivery: Ship high quality work fast.

• Build for the long term: Build scalable, secure, and reliable solutions. Use AI.

• Extreme Ownership: Be an effective Directly Responsible Individual (DRI). Be proactive.

• Be a team player: Be an effective and kind colleague providing credible challenge. Be present and reliable.

Interview Process

• Silver.dev Recruiter screening

• Crossmint

  • Takehome challenge

  • Onsite (technical + behavioral interviews)

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