Full-Time
Full-stack Engineer
Wallets
Updated on 5/12/2026
Crossmint
51-200 employees
NFT developer platform with MPC security
Compensation Overview
$185k - $200k/yr
Miami, FL, USA + 1 more
More locations: Brooklyn, NY, USA
Hybrid
 Software Engineering (1) |
|---|
- Bachelor’s degree in Computer Science or equivalent professional experience
- 5+ years building production systems, ideally with backend and full-stack responsibilities
- Strong programming skills in at least one modern language such as TypeScript (Ideal), JavaScript, Java, Python, or similar
- Experience with wallet infrastructure, transaction systems, or blockchain-related services
- Solid understanding of blockchain fundamentals, including smart contract interactions, gas abstraction, and transaction lifecycles
- Strong communication skills in written and spoken English
- A product and ownership mindset with an ability to balance usability, security, and long-term reliability
- Write high-quality production code that is correct, secure, performant, and maintainable.
- Build and scale wallet infrastructure components, including wallet creation, signing flows, transaction orchestration, and lifecycle management.
- Implement and evolve programmable wallet primitives, such as modular signers, delegated transaction logic, and permissions enforced onchain.
- Build backend services, APIs, and frontend tools that empower developers to integrate Crossmint wallets and developer experiences at scale.
- Design scalable, secure systems that bridge onchain and offchain components while maintaining data integrity and compliance.
- Contribute to architecture and design documentation to shape the long-term evolution of Crossmint wallet products.
- Own features end to end from design to production deploy and iteration.
- Participate in paid on-call rotations once or twice per quarter.
- Mentor and support teammates to help grow the engineering organization.
- Familiarity with EVM ecosystems, Solana, or multi-chain support
- Experience designing hybrid onchain/offchain wallet systems
- Prior experience at a crypto-native or Web3 engineering team
- Familiarity with secure key management and programmable permission systems
Crossmint provides an enterprise-grade NFT development platform for creating, selling, and managing NFTs. It offers self-serve tools that developers can integrate with around 10 lines of code, backed by Multi-Party Computation (MPC) security, and supports 10+ blockchains with 100% asset recoverability and a customizable UI. It differentiates itself by specializing solely in NFTs and offering a scalable, developer-first infrastructure with multiple payment options including cards and Apple Pay, plus audited, SOC-2, GDPR, and CCPA compliant security. Its goal is to enable broad NFT adoption by providing a secure, easy-to-integrate platform that handles NFT creation, sale, and management across networks for developers and enterprises.
Company Size
51-200
Company Stage
Series A
Total Funding
$41.7M
Headquarters
Miami, Florida
Founded
2021
Simplify's Take
What believers are saying
- Stablecoin card market grew 106% annually since 2023, reaching $18B by late 2025.
- Subscription revenue increased 1,100% in 2024; 40,000+ customers including Adidas, Red Bull, Coinbase.
- Toku powers $1B+ payroll using Crossmint; remittances reduce costs 95% versus legacy rails.
What critics are saying
- Circle Ventures investment enables Circle to bypass Crossmint for USDC remittances via direct APIs.
- SEC may classify non-custodial smart wallets as securities, threatening VASP-licensed operations.
- NFT market collapsed 97% from 2022 peak, eroding core revenue from minting and management.
What makes Crossmint unique
- Enterprise-grade stablecoin infrastructure supporting 40+ blockchains and 160+ countries with unified APIs.
- VASP and MiCA licensing enables compliant global payments without separate wallet, card, compliance vendors.
- AI agent wallet APIs let autonomous systems hold funds, trade assets, and transact independently.
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Benefits
Unlimited Paid Time Off
Flexible Work Hours
Stock Options
Company Equity
401(k) Retirement Plan
Health Insurance
Dental Insurance
Vision Insurance
Life Insurance
Disability Insurance
Phone/Internet Stipend
Growth & Insights and Company News
6 month growth
↓ -8%1 year growth
↓ -8%2 year growth
↓ -7%Wirex and Crossmint launch integrated stablecoin card stack. Mar 30, 2026 | NCFA Fintech Market Activity | Payments And Money Movement Wallet to card infrastructure for stablecoin spend. On March 30, 2026, Wirex and Crossmint launched an integrated stablecoin card stack. The product connects stablecoin wallets to card spending in one setup. According to the companies, crypto card volume has grown 106% a year since 2023 and reached an $18B annualized market by late 2025. The bigger market is still early. Real stablecoin payments ran at about $390B annualized in 2025, or roughly 0.02% of global payments volume. That leaves a lot of room for growth, but it also shows how far the market still has to go before stablecoin spending becomes mainstream. The main problem isn't demand alone. Stablecoin card programs usually need separate wallet, card, and compliance infrastructure. In earlier work with Wirex, Crossmint said it cut six months of internal development time, opened a path toward support for 20+ networks, and helped support a platform serving more than 7 million customers, processing more than $20B annually across 130 countries. Daniel Rowlands, General Manager, Onchain Finance at Wirex: "This is what it looks like when two pieces of infrastructure are built to fit together. Fintechs can now give their users a Wirex debit card funded directly from a Crossmint wallet, and as they grow, the full baas stack is there when they need it." That is the stronger business case behind this launch. Stablecoin balances are getting easier to hold. The harder part is turning them into everyday spend in a product that launches fast, works across markets, and stays compliant. This stack goes after that build problem directly. For founders and investors, the commercial question is straightforward. If stablecoin cards keep growing, the advantage may sit less with another wallet feature and more with the firms that can package wallet infrastructure, card issuance, compliance, and distribution into one launch path. Key questions behind the launch. How big is the real stablecoin payments market? Most headline stablecoin volume does not reflect real payments. A recent stablecoin payments reality gap analysis shows why the market needs more careful measurement. The best current estimate for actual stablecoin payments is about $390B annualized in 2025. Why do stablecoin cards matter? They turn wallet balances into spend at existing merchant acceptance points. That makes cards a clear current solution to go from holding stablecoins to using them in daily payments. What slows product launches today? Fintechs often have to assemble the wallet layer, card program, and compliance stack separately. That adds engineering time, raises launch cost, and slows distribution. Why does this launch stand out? It does not start from zero. Wirex already has user scale and card infrastructure. Crossmint already cut build time in its earlier Wirex integration. That gives the launch a stronger operating base than a typical partnership announcement. Talking point. As stablecoin cards grow, which layer gains the stronger position: the wallet, the issuer, or the firm that can package both into one launch stack? The National Crowdfunding & Fintech Association (NCFA Canada) is a financial innovation ecosystem that provides education, market intelligence, industry stewardship, networking and funding opportunities and services to thousands of community members and works closely with industry, government, partners and affiliates to create a vibrant and innovative fintech and funding industry in Canada. Decentralized and distributed, NCFA is engaged with global stakeholders and helps incubate projects and investment in fintech, alternative finance, crowdfunding, peer-to-peer finance, payments, digital assets and tokens, artificial intelligence, blockchain, cryptocurrency, regtech, and insurtech sectors. Join Canada's Fintech & Funding Community today FREE! Or become a contributing member and get perks. For more information, please visit: www.ncfacanada.org | / | / | / | | support NCFA by following NCFA Canada on twitter! |.
Wirex and Crossmint have integrated their platforms to enable fintechs to rapidly deploy stablecoin-backed payment cards. The partnership connects Crossmint's smart wallet infrastructure with Wirex's card issuance platform, allowing companies to launch products in days rather than months. The integration addresses the $18 billion annualised crypto card market, which nearly matched peer-to-peer stablecoin transfers by late 2025. Previously, fintechs needed separate relationships with wallet providers, card issuers and compliance frameworks. Under the arrangement, Crossmint manages wallet creation and blockchain transactions whilst Wirex handles regulated services including card issuance and banking accounts. Users receive Wirex debit cards accepted at over 80 million merchants globally, with Apple Pay and Google Pay support. The companies plan to expand beyond cards towards fuller neobank services and agentic finance applications.
XYO brings verifiable data on climate risks. Crossmint, an empresair platform for the infrastructure of stablecoins and electronic money transactions, is affiliated with Western Union, proves the global transfer of cross-border dining services, to boost the USDPT lance. The new stablecoin, the current currency, broadcasts Solana's blockchain and integrates into Western Union's digital assets. The digital red assets are available to connect pages on blockchain with the traditional traditional infrastructure. Throughout the system, users can convert digital money into local currency to Western Union points around the world. The model can connect the stablecoins to existing access to financial resources. As part of the partnership, Crossmint is integrating its electronic API funds and pages with the Red Digital Activity. This integration allows corporations and fintech companies to join the USDPT and create digital dollar services. With time the company believes the system will allow immediate transfers in the red Solana and simplify cross-border movement. The applications developed for the Crossmint infrastructure can be almacenar funds in USDPT and connect to the options of Western Union pages available. Image: Freepik
Yield.xyz has integrated with Crossmint to enable developers to connect users directly to third-party yield protocols across multiple blockchains through a single API. The partnership gives Crossmint's 40,000-plus clients, including MoneyGram and WireX, access to over 2,500 yield opportunities across 75-plus networks. The integration allows developers to route users into yield protocols without building custom smart contract logic or managing complex infrastructure. Users maintain full control of their private keys whilst interacting with vaults, lending markets and staking protocols directly from their existing wallet interface. Yield.xyz provides standardised yield infrastructure, aggregating protocol data and transaction construction. Crossmint offers enterprise-grade wallet infrastructure used by millions of users. The integration is available today for all developers using Crossmint's Wallet SDK.
Crossmint collaborates with Tempo to elevate wallets and stablecoin for payments. Crossmint, a prominent bank-scale, inclusive platform for integrated wallets, checkout, onramps, and other solutions, has collaborated with Tempo, a high-performance Layer 1 blockchain for stablecoins and real-world payments. The main purpose of this partnership is to bring wallets, onramps, and stablecoin infrastructure for the new Tempo payment-focused blockchain. Tempo is carefully dealing with the stablecoins and real-world payments-related matters for good and desired results. In addition, Tempo ensures the optimization of transactions for businesses such as global payments and remittances. Crossmint also focuses on Web3 development. Crossmint has released this news through its official X account. Crossmint and Tempo expand real-world payment innovation. The unification of both payment-related platforms makes a landmark development and achieves big goals by combining their specialties. Both platforms are completely built on Web3 technology, and sorting out the digital payments matters easily. Crossmint will incorporate its integrated wallet, payment solution, and onramps into Tempo. They are accelerating the real-world stablecoin adoption beyond crypto-native users. This way, they expand the use of digital payment methods and stablecoin orchestration for users' benefits and are trying to make more advancement in the field of real-world payments. Driving worldwide adoption of fast, secure, stablecoin payments. Crossmint and Tempo are revolutionizing the payment methods with the advancement in their wallets, on-ramps, and stablecoin infrastructure all over the world. They believe that money should be as native and seamless as the data on the internet. They also pay attention to the security of users' assets. In short, this partnership is also among others that are struggling to make their presence at the top of the list in the market regarding payment matters. These services will remain open for all users from every corner of the world.