Staff Mobile Engineer (React Native)

Location: Fully remote in Europe or India

Compensation: $60K - $70K

We are a fast-scaling financial technology startup operating at the intersection of Prediction Markets, AI, and Blockchain.

Our platform is currently processing $200M in annualized volume and experiencing explosive growth of 100% week-over-week. We are backed by elite institutional investors, including a $500M AUM digital asset fund and a premier AI/Crypto accelerator with a sub-1% acceptance rate. We are looking for a world-class Staff Mobile Engineer to own our iOS experience and build a high-stakes trading environment where performance is the primary product feature.

As a Staff Mobile Engineer, you will be the architectural lead and primary owner of our iOS trading experience. This is a product-critical role where your code sits directly between our users and live, real-money markets. You will work in a high-bandwidth environment alongside the CEO, COO, and founding engineering team to ship a mobile experience that rivals the best in TradFi.

Key Responsibilities:

Senior Validator Engineer (Solana)

Location: Remote - Europe only

Compensation: $180K - $300K

We are reengineering blockchain infrastructure from first principles to make global digital markets as precise and dependable as physical systems. Built on Solana, our platform delivers deterministic execution, guaranteed inclusion, and low-latency performance—solving the foundational failures that cause transactions to miss and systems to collapse under pressure.

By placing high-performance compute close to where transactions happen and coordinating execution through our advanced scheduling engine, we empower developers to build scalable applications and give institutions the reliability they demand. We believe financial infrastructure should behave like physics: fast, reliable, and predictable—every time, without exception.

As a Senior Validator Engineer, you will spearhead our engineering efforts surrounding the Solana Validator (both Agave and Firedancer), driving the innovation and implementation of next-generation high-performance distributed systems. You will join a highly proficient team of core engineers who have all contributed to foundational network components.

Senior Frontend Engineer (Web3/DeFi)

Location: Fully Remote - EU time zones Type: Full-Time

Compensation: $150K - $175K

We are seeking a high-caliber Senior Frontend Engineer to lead the development of a performant, responsive, and real-time application powering a next-generation decentralized exchange (DEX) and network. In this role, you will bridge the gap between complex blockchain infrastructure and a seamless user experience, meeting the demands of a fast-paced, data-intensive trading environment.

Our team is a dynamic, forward-thinking, and fully remote group with an ambitious roadmap. We are looking for an engineer who thrives on the intersection of DeFi, Web3, and high-stakes security. If you have a relentless drive for speed without sacrificing rigor, and a commitment to state-of-the-art software testing, we want to build the future of finance with you.

Key Responsibilities:

Our team is developing a set of services that support the company's operational activities, starting with the gaming platform itself, back-offices, and data analytics. The product is being developed by a small team of experienced professionals.

We work extensively with databases and distributed systems, discuss and implement architectural solutions, and conduct RND procedures to check the performance of certain solutions. We are looking for a team member who will work as part of the DevOps Team and collaborate closely with cross-functional teams to maintain and improve the current delivery workflow.

Requirements

Integrations Engineer - APAC

Location: Remote (GMT +5 up to GMT+9)

Compensation: Competitive

We are a leading Decentralized Finance (DeFi) lending protocol that recently secured $50 million in funding from world-class investors including Ribbit Capital, a16z crypto, and Coinbase Ventures. With over $9 billion in assets supplied, our protocol is setting a new standard for open, efficient, and resilient lending.

We are scaling our team to establish our protocol as a cornerstone of a new internet-native financial system. We are looking for a technical, partner-facing Solutions Engineer to accelerate our expansion across the APAC region.

Your mission is to provide technical guidance and support to crypto-native partners and integrators within their timezone. By leveraging your fluency in Mandarin and English, you will enable faster implementation cycles and forge stronger partnerships across the region's most influential platforms.

What You Will Do

FullStack Engineer (FinTech / AI-Infrastructure)

Location: New York City (Office)

Compensation: $130K - $185K

We are the developers of a pioneering yield-bearing synthetic dollar backed by AI infrastructure assets. Our platform allows emerging AI cloud providers to efficiently finance GPU expansion by leveraging income-generating hardware as collateral. By combining deep underwriting expertise with transparent, on-chain infrastructure, we provide flexible, non-recourse financing to AI operators and sustainable, yield-bearing opportunities to capital providers.

We are an extremely flat, Series A-funded organization backed by top-tier investors like Dragonfly, DCG, and Nascent. Our team draws experience from leading institutions such as DRW, Deutsche Bank, and Nansen. We have no middle managers and move quickly from idea to execution.

We are looking for a high-agency FullStack Engineer to help us build the next generation of financial products. You will gain true ownership over our suite of web products, influencing the design and execution of everything from transactional interfaces to data-heavy analytics dashboards.

Founding Full-Stack Engineer (iOS & Web3)

Location: New York (Hybrid)

Compensation: $170K - $220K

We are building a first-of-its-kind accountability protocol designed to bridge the gap between social coordination and blockchain technology. We are looking for an exceptional Founding Full-Stack Engineer to lead the development of our consumer-facing native iOS application.

In this role, you won't just be executing tickets; you’ll have a "founding-level" seat at the table, working directly with our co-founders (alumni of Apple, Google, Dragonfly, and Arbitrum) to shape the product's DNA. You will be responsible for shipping high-quality, production-ready Swift code and designing the backend infrastructure that makes complex on-chain interactions feel invisible to the end user.

Key Responsibilities:

Senior Haskell Developer - Traditional Fintech

Location:  UK and EU
Compensation: Up to $50/hr

We are a well-established, non-crypto fintech company with a substantial and complex codebase, seeking a talented Haskell Developer to join our large internal development team. This is a full-time position open to residents of the UK and EU.

You will be joining a core team responsible for maintaining, evolving, and architecting our large-scale financial applications. This role is highly focused on production-grade Haskell development within a traditional financial services environment.

Key responsibilities include:

iOS Designer / Product Engineer (Elite Team, High Impact)

Location: Remote - NYC preferred but would consider strong designers remotely across the US.

Compensation: $200K - $250K

We are a highly profitable, high-growth platform that has enabled creators to generate over $50 million since launching in 2025. Our mission is to simplify the process of supporting anyone in the creator economy. We operate with an uncompromising commitment to talent density—maintaining a small, elite team where every member has outsized ownership and impact.

We are seeking an exceptional iOS Designer / Product Engineer to join us as one of the two dedicated experts jointly owning the entire native iOS application. If you have an extreme attention to detail, live to build beautiful products, and thrive in a fast-paced, high-autonomy environment, we want to hear from you.

You will be a key leader in product design and technical implementation, jointly responsible for the entire user experience, visual quality, and technical integrity of the core iOS application. You will balance design perfection with rapid shipping to deliver features that directly drive platform growth and creator success.

Key Responsibilities

Fullstack Engineer (Founding Team, High Agency)

Location: San Francisco, CA (100% On-site)

Employment Type: Full-time

Salary Range: $150K - $200K (Flexible for highly experienced candidates)

We are an ambitious, rapidly growing AI startup (recently raised a heavily oversubscribed $3.8M Seed round from top-tier VCs, including those early in OpenAI and Scale AI) focused on completely rebuilding the foundation of the massive Insurance Claims Processing industry. We are seeking a high-agency Fullstack Engineer to join our intensive, high-performance team. This is a role for engineers who thrive on extreme ownership and measurable customer impact.

This role requires a high level of performance, ambition, and ownership. You will be instrumental in defining and building core features end-to-end, working directly with founders and customers.

What You'll Do: