Senior Frontend Engineer - Wallets-as-a-Service Platform

Location: Remote - Location: US or EU (remote-first, office optional). Ideally based in EST or as close to France or Paris is always the major preference.

Compensation: $160K - $220K

We are hiring an engineer to drive the user-facing side of our platform, building the backbone of blockchain wallet infrastructure for the next financial era. This is a high-impact role requiring deep expertise in modern frameworks, cross-platform development, and strong UX instincts. We need a rigorous builder who can translate complex requirements into fast, intuitive, and trustworthy financial tools.

This is not a narrow frontend role; you will move fluidly between polished user experiences and the developer tools that make them possible. You will own features end-to-end, delivering business-grade software that makes complex financial workflows effortless for developers, administrators, and end-users. Speed and security must be balanced with clean architecture and reliable performance.

Responsibilities:

Senior Data Scientist - Economic Risk & DeFi Simulation

Location: Remote - Preference for NYC - Will accept Remote USA & Europe to work EST hours

Compensation: $130K - $150K

We are the first automated, on-chain economic security system, trusted by leading protocols managing billions of dollars (including Aave, GMX, dYdX, and others). We provide actionable insights by analyzing protocol mechanics and scenario implications using world-class custom EVM simulations. We are seeking a proactive and results-driven Senior Data Scientist to advance our modeling capabilities and deliver powerful data insights across decentralized finance.

Reporting to the Head of Economic Risk & Strategy, you will play a critical role in strategic research, simulation, and risk analysis for market-leading protocols. This involves deep diving into complex crypto systems, modeling actor behavior, and translating intricate simulation results into intuitive, game-changing analytics for our institutional customers.

Responsibilities:

Senior Software Engineer - Developer Tools & SDKs

Location: Remote - US & Americas

Compensation: $ Competitive

We are a fast-growing software company dedicated to supporting and developing an EVM-compatible, open-source, proof-of-stake platform. This public network is engineered for enterprise and Web3 applications, prioritizing speed, security, stability, and sustainability, and is governed by industry-leading organizations. We are seeking an experienced Software Engineer to lead the development of world-class developer tools and SDKs.

You will take the lead on crafting seamless developer experiences, owning the design, build, and maintenance of our open-source SDKs and related tooling. This role requires technical leadership, hands-on coding across multiple languages, and a strong focus on developer empathy. You will work cross-functionally to ensure our tools are intuitive, robust, and aligned with real-world developer needs.

What You'll Be Doing:

Solana-Focused Frontend Engineer - Crypto Social Finance

Location: Remote - preference is NYC/LDN but open to remote candidates if they're an exceptional fit.

Compensation: $250K - $300K

We are a high-growth software development company of elite builders, redefining what's possible and proud contributors to the largest crypto social network globally. We are seeking a Solana-Focused Frontend Engineer to play a critical role in building and scaling cutting-edge platforms at the forefront of crypto and social finance, delivering high-performance, user-centric applications across web and mobile.

You will be instrumental in bridging the gap between our smart contract infrastructure and the user interface, working in an environment where speed, ownership, and innovation are paramount. You will own the front-end implementation of new on-chain features, optimize performance, and ensure a seamless user experience for real-time interactions.

Key Responsibilities:

Protocol Integration Engineer - Stablecoin Platform

Location: Remote - US (Would consider South America/Canada/Europe if can overlap with EST time zone.

Compensation: $170K - $200K

We are a pioneering stablecoin platform that provides developers with a superior digital-dollar building block ($\$M$) to create customized stablecoins in minutes, enabling businesses to monetize their digital dollar use cases. We are seeking an experienced Protocol Integration Engineer to join our growing team. This role is crucial for enhancing our framework, supporting technical partners, and ensuring the quality and consistency of integrations across our ecosystem.

You will serve as the bridge between our core protocol and our partners, driving the successful integration and customization of our stablecoin extension frameworks. You will be responsible for adjusting core code, enhancing APIs, providing technical education, and ensuring all partner integrations adhere to the highest standards of quality and security.

Key Responsibilities:

Senior/Lead EVM Engineer - Distributed Ledger Optimization

Location: Remote - US

Compensation: Competitive

We are a fast-growing software company committed to supporting, developing, and servicing an open source, proof-of-stake, EVM-compatible platform. This decentralized network is built for enterprise and Web3 applications, prioritizing speed, security, and stability. We are seeking a seasoned EVM Engineer to join our Smart Contracts team and drive the performance and optimization of our core native services (Java) and Web3 services (JS/TS).

You will be a high-impact contributor, spending approximately 80% of your time designing, coding, and testing core components. Your focus will be on the execution layer, specifically transforming network node states, processing transaction bytes, and exposing critical network data. This includes innovating on compiler and optimization algorithms, enhancing EVM features, and contributing to open-source code clients.

Key Responsibilities:

Creative Marketer - Next-Generation Layer-1 Blockchain

Location: Paris (Hybrid)

Compensation: $80K - $105K

We are a well-funded startup building a next-generation base layer blockchain designed to unlock customizability, scalability, and privacy by combining native proof verification directly into the protocol. Fueled by a $3.4M investment from top-tier venture capitalists, we are looking for a resourceful, creative marketer with a hacker mindset to amplify our brand voice and drive aggressive growth in the blockchain space.

This role is for an action-oriented, highly autonomous builder who thrives on experimentation and driving measurable outcomes. You will be responsible for end-to-end marketing execution, managing high-impact campaigns, and creating engaging content across all channels to grow our reach and mindshare.

Key Responsibilities:

Growth Associate, X (Twitter) - Layer 1 Blockchain Performance

Location: New York (Hybrid)

Compensation: $150K - $200K

We are the first parallelized layer 1 blockchain, setting a new standard in performance and scalability by re-writing the most widely adopted execution environment in Web3. Our organization drives adoption, supports the community, and partners with developers to bring groundbreaking applications to life. We are seeking a Growth Associate, X (Twitter) to spearhead the development of our identity and narrative across global social platforms.

You will be responsible for defining and executing the strategic development of our brand's voice and reach, focusing heavily on platforms like X (Twitter). This role demands a blend of strategic thinking, creative instinct, and a deep understanding of crypto and meme culture to deliver innovative and engaging content that expands our community and mindshare.

Key Responsibilities:

Who we are:

Financeit is a point-of-sale financing provider serving some of the largest home improvement and retail organizations in Canada.

Our platform helps businesses close more sales by offering customers affordable monthly payment options for their next big home improvement, vehicle or retail purchase.

We are small enough that you can make an impact within the company and large enough to make an impact in the market.

Financeit is a company where collaboration, inclusivity, fairness, and respect aren’t just ideas that get talked about, but are part of who we are. If such a workplace intrigues you, we hope you’ll join us.

About the role:

This is a bilingual, 6-month contract role responsible for resolving outstanding accounts from existing customers, resolving billing problems, and reducing delinquencies. You will also handle key administrative tasks to ensure the smooth operation of payment and collections processes.

What you'll do:

Why Join Us?

At Excelya, we are committed to excellence in healthcare, and we invite you to be part of our dedicated team where your expertise can make a significant impact.

As a young, ambitious health company with over 900 talented professionals, we strive to be Europe's leading mid-size CRO, delivering the best employee experience. Our integrated service model enables you to engage in diverse projects, working alongside industry experts to enhance scientific knowledge and improve the patient journey.

About the Job

We are seeking a Technical Data Manager, who will be responsible for performing Technical Data Management tasks per client work orders to high regulatory standards and Excelya Group SOPs.

Main Responsibilities: