Android Engineer SDKs Contract Spain or USFramework Ventures • Saint Paul, Illinois, United States
Android Engineer SDKs Contract Spain or US
Framework Ventures
- Saint Paul, Illinois, United States
- Saint Paul, Illinois, United States
À propos
Backed by Ribbit Capital, Franklin Templeton, NYCA, First Round, and Lightspeed Faction, with $23.6M raised in 2025. Trusted by more than 40,000 clients including global leaders such as MoneyGram, WireX, Toku, and more, Crossmint provides embedded smart wallets, on/offramps, cross-chain stablecoin orchestration, tokenization, and other blockchain primitives through simple, developer-friendly APIs that integrate in minutes and scale to millions of users.
In January 2026, Crossmint secured MiCA authorization from Spain's CNMV, becoming one of a select few stablecoin infrastructure providers fully licensed to operate across all 27 EU member states and held to the same regulatory standards as traditional financial institutions. Crossmint also powers the Republic of the Marshall Islands' first digital UBI program, backs MoneyGram's new stablecoin cross-border experience launching in LATAM, and recently partnered with WireX to expand multichain stablecoin payment infrastructure to non-EVM networks like Stellar.
The future of finance is stablecoin-native. Crossmint makes it easy to get there.
Location Spain or USA
Type of employment Contract (2 months - Renewable). 20h-40h per week.
Compensation Per-hour setting for the contract duration, but open to project completion-based compensation.
About The Role As an Android SDK Engineer at Crossmint, you will be responsible for:
Designing and architecting mobile SDKs from the ground up.
Building SDKs for core features such as authentication, smart wallets, and payments.
Collaborating with cross-functional teams to understand the business needs and translate them into mobile SDK solutions.
Documenting your architecture and design choices clearly and concisely.
Owning your projects end to end: from initial concept through to deployment and support.
Mentoring other team members as we grow the mobile engineering team.
About you To thrive in this role, you should possess the following qualifications:
Professional Experience:
5+ years of experience in Android development, with at least 1+ year specifically in mobile SDK development (not just mobile app development) in Java or Kotlin.
Excellent Communication Skills:
Demonstrate excellent written and spoken English.
Educational Background:
Hold a Bachelor’s degree in Computer Science or a related field, or equivalent knowledge and skills with industry experience.
Programming Expertise:
Expert knowledge in Java and/or Kotlin.
Bonus Points We highly value candidates with the following experiences:
Blockchain or Web3 technologies:
Experience is a plus, particularly in relation to wallets or payment systems.
Provable experience shipping high quality code.
Experience working on a team
and references to back it.
React Native or Flutter experience is nice to have.
Talent research indicates that women are often less inclined than men to apply for a role unless they have experience in 100% of the listed skills. However, this list is only a guide. We welcome your application even if you feel you meet around 75% of the requirements. At Crossmint, we believe skills can be learned, and diversity makes us stronger.
We work to foster a respectful environment where each person can be their authentic self, free from harassment, racism, and any form of discrimination. We proudly uphold our commitment to diversity and inclusion as an equal opportunity employer, and this policy applies to all employment practices within our organization.
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Compétences linguistiques
- English
Avis aux utilisateurs
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