Quantitative Trading & Market Microstructure Specialist - High-Performance DEX

Location: Remote - Global (Preference for candidates based in: Lisbon, Portugal / UAE / Switzerland / Singapore / Hong Kong / Brazil / USA / UK / Spain / Canada / France / Germany / Greece)

Compensation: $180K - $220K

We are building a high-performance blockchain operating system that fundamentally redefines what's possible on Ethereum by prioritizing unparalleled throughput, decentralization, and security. We are now expanding the team for O2, a new, early-stage project: a next-generation decentralized exchange (DEX) running on our modular execution layer. Designed as a Central Limit Order Book (CLOB), our goal is to build the fastest DEX ever constructed, leveraging parallel execution to unlock high-frequency trading efficiency fully on-chain.

You will play a foundational role, leveraging your expertise in market making and quantitative trading to model, simulate, and optimize the market behavior of our core CLOB protocol. This is a highly hands-on role where you will design and test trading strategy logic, build simulation frameworks, and collaborate with engineering and research to inform critical protocol-level design decisions.

Key Responsibilities:

UX Designer - Web3 Live Sports Gaming

Location: Remote - Preference for UK as thats where the majority of the team are based, 2nd preference is EU - fully remote.

Compensation: $75K - $120K

We are a rapidly growing, stealth-mode team building the ultimate digital playground for the world's most passionate football fans. Our mission is to make the match-day experience more engaging, social, and fun by blending speed, robust data, and vibrant design. We are looking for a highly creative and user-focused UX Designer to define the look, feel, and function of our web and mobile applications, translating complex live sports data into intuitive interfaces.

You will be instrumental in leading the UX strategy for our core Web platform, where the majority of live fan interaction occurs. Your focus will be on designing interfaces that are intuitive, glanceable, and performant even during the most chaotic moments of a live game. You will own the design system, drive optimization through testing, and collaborate closely with engineering to ensure pixel-perfect implementation.

Key Responsibilities:

Founding Engineer - High-Growth DeFi Mobile Trading App

Location: Remote - US Remote (Must be able to travel to NYC 2 weeks at a time, every 1-2 months for in person collaboration)

Compensation: $200K - $300K

We are a rapidly growing mobile app—the “Robinhood for DeFi”—that allows anyone to trade cryptocurrencies on-chain through a user-friendly interface. Since our launch, we have attracted 1.5+ million users. We are a lean, mission-driven team dedicated to making decentralized finance open and accessible to the world. We are looking for a Founding Engineer to assume a hands-on role in designing, building, and maintaining the production features that power our platform.

You will have end-to-end feature ownership across both our mobile and backend systems, shaping the core user experience for millions of users. This role demands rapid iteration, a security-first mindset, and the ability to design robust, scalable features. You will be a decision-maker and implementer, directly influencing the technical direction of the company.

What You'll Be Doing:

Founding Software Engineer (AI Evaluation Infrastructure)

Location: San Francisco, CA (FiDi)

Employment Type: Full-time

Work Arrangement: On-site (6 days a week in office)

About the Role

Our client, is a high-growth AI startup that is building the most complex infrastructure for frontier data creation and evaluation for LLMs and AI Agents. They work with all five of the leading AI labs and top-tier YC companies, reflecting their sharp growth rate and talent density. The company is backed by $3 million in funding and features a founding team from rigorous environments like Citadel Securities, Google, and Meta.

They are seeking a Founding Software Engineer for a high-impact, non-narrow role with end-to-end ownership. You will operate across the full stack and infrastructure, contributing directly to systems that push the frontier of AI evaluation.

What You’ll Do

Tiger Analytics is looking for experienced Data Scientists to join our fast-growing advanced analytics consulting firm. Our employees bring deep expertise in Data Science, Machine Learning and AI. We are the trusted analytics partner for multiple Fortune 500 companies, enabling them to generate business value from data. Our business value and leadership has been recognized by various market research firms, including Forrester and Gartner. We are looking for top-notch talent as we continue to build the best global analytics consulting team in the world.

As a Senior Data Scientist, you will apply strong expertise in AI through the use of machine learning, data mining, and information retrieval to design, prototype, and build next-generation advanced analytics engines and services. You will collaborate with cross-functional teams and business partners to define the technical problem statement and hypotheses to test. You will develop efficient and accurate analytical models which mimic business decisions and incorporate those models into analytical data products and tools. You will have the opportunity to drive current and future strategy by leveraging your analytical skills as you ensure business value and communicate the results.

Key Responsibilities

We are looking for a Senior iOS Engineer to deliver elegant, scalable iOS applications for global users. You’ll collaborate with design, backend, and product teams to bring innovative financial products to life.

Key Responsibilities

• Design, prototype, and implement new app features.
• Deliver clean, maintainable Swift code.
• Ensure visual and functional consistency across iOS apps.
• Contribute to iteration based on peer and customer feedback.

Requirements

• 5+ years software engineering, with 3+ years iOS development (5+ years for Senior).
• Strong expertise in Swift, iOS SDK, and Apple frameworks.
• Experience publishing apps to the App Store.
• Strong cross-team collaboration and problem-solving skills.
• GitHub portfolio or open-source contributions are a plus.

Applied AI Engineer

Location: NYC Employment Type: Full-time On-site: 5 days/week in-office

About the Role

Our client, an AI-first company backed by top-tier investors, is looking for an Applied AI Engineer to join their team. They are building a platform that applies AI to every step of bringing new therapies to market, ensuring patients get life-changing treatments as quickly and affordably as possible. This role is a high-impact opportunity to work on real-world production use cases of LLMs and other ML techniques to solve complex business problems.

This is a demanding role with a high level of autonomy. The client is looking for someone who can "act like an owner" and take end-to-end responsibility for projects, from initial definition and design through to launch and success.

What You'll Do

d2m is seeking a Composite Quality Engineer to support a cutting-edge wind propulsion project for one of its clients in the shipping industry. The role will focus on ensuring the highest standards of quality during composite manufacturing processes.

Key Responsibilities

• Ensure quality implementation and monitoring of composite manufacturing for prototype elements and two (2) blades of the first project.
• Oversee the correct application of dry fibre and core layers in main moulds and structural parts (spars, bulkheads) according to lay-up plans.
• Verify compliance during infusion phases of main and structural parts.
• Ensure structural bonding operations are performed according to technical specifications.
• Monitor main mould temperature during post-cure phases.
• Control blade demoulding operations, ensuring no unusual stress is applied.

Requirements

AI Software Engineer (Generative AI)

Azumo, a leading AI Development company, is seeking a highly motivated AI Software Engineer to join our growing team of expert AI developers. We specialize in delivering Top AI Development services, helping organizations build intelligent applications powered by Generative AI, large language models (LLMs), and advanced automation.

As part of our team, you will collaborate with engineers, data scientists, and domain experts across SaaS, cloud, and big data environments. You will work on cutting-edge AI software development services, translating research into production-ready solutions that drive real-world impact for global clients.

At Azumo, you’ll thrive if you enjoy the full lifecycle of Generative AI development—from ideation and prototyping to deployment, monitoring, and scaling intelligent applications.

Tiger Analytics is looking for experienced Senior Data Scientists to join our fast-growing advanced analytics consulting firm. Our consultants bring deep expertise in Data Science, Machine Learning and AI. We are the trusted analytics partner for multiple Fortune 500 companies, enabling them to generate business value from data. Our business value and leadership has been recognized by various market research firms, including Forrester and Gartner. We are looking for top-notch talent as we continue to build the best global analytics consulting team in the world.

As a Data Scientist, you will apply strong expertise through the use of machine learning, data mining, and information retrieval to design, prototype, and build next generation advanced analytics engines and services. You will collaborate with cross-functional teams and business partners to define the technical problem statement and hypotheses to test. You will develop efficient and accurate analytical models which mimic business decisions and incorporate those models into analytical data products and tools. You will have the opportunity to drive current and future strategy by leveraging your analytical skills as you ensure business value and communicate the results.

Key Responsibilities