Established in London in 2018, Fourier are a team of experienced recruiters specialising in information technology, trading technology and quant analytics. We provide contract and permanent personnel to clients including investment banks, proprietary traders, hedge funds and fintech’s.

Fourier Ltd is hiring: Junior UI Developer â- World Renowned Hedge Fund â- Urgen

C++ Developer – High-Frequency Trading Systems | New York, NY, USA | Hybrid

C++ Engineer - Low Latency - Buy Side - Immediate Hire

Elite Level UI Engineers

C++ Engineer - HFT - URGENT HIRE

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C++ Engineer - Build Cutting-Edge Systems

<h1>About Fourier</h1>At Fourier, we're making on-site hydrogen universally accessible. Our breakthrough design enables highly modular and fully automated electrolyzer systems that scale to any size and optimize efficiency at all loads. Backed by leading venture capital firms, we're a team of passionate individuals, on a mission to transition the global energy landscape towards a sustainable and emission-free future. We're building a collaborative and innovative culture where every team member has a direct impact on our success.<h1>Position Overview</h1>Fourier seeks a VP of Hardware Engineering to lead our hardware development team that builds our electrolyzer systems. You will be responsible for the high level design and architectural directions, prototyping efforts, taking the product from design to late-stage manufacturing. Ideal candidates would have a demonstrated track record of successfully shipping industrial hardware products. You need to have a strong experience leading small teams of exceptional engineers, scaling up teams from the ground up while building a strong engineering culture. In this role you will help commercialize the product, grow a cross-functional team and play an important role in building energy resilience.<h1>Roles and Responsibilities</h1><ul style="min-height:1.5em"><li>Reporting to the CEO, the VP of hardware engineering will be a part of the core leadership defining the strategy and design directions of our product.</li><li>Oversee the hardware engineering on Fourier’s technology development teams responsible for the production devices, test stands, fabrication support, and stack hardware</li><li>Prototype, plan timelines, and rapidly iterate to move from prototype to product</li><li>Drive commercialization of our product towards successful completion of pilots and early deployments.</li><li>Build and scale a world-class engineering team and develop leaders to grow with the company.</li><li>Provide technical guidance and leadership to the engineering teams in order to maximize the pace of innovation and development</li><li>Champion new ideas, technologies and directions while steering the team towards execution.</li><li>Establish and implement the strategic direction of the company's engineering and development initiatives</li><li>Drive and build upon our strong engineering culture that focuses on agency, accountability and velocity.</li><li>Engage in continuous performance management to coach, recognize, celebrate, and inspire excellence while clearly communicating expectations and accountability.</li><li>Develop Fourier’s collaborative and people-driven culture to enable individual growth and make Fourier one the best places to work. </li></ul><h1>Must-Have Experience </h1><ul style="min-height:1.5em"><li>Team Building &amp; Leadership: Proven experience scaling and leading a high-performing hardware engineering team—from an early core group to a larger, structured organization. </li><li>End-to-End Hardware Development: Demonstrated success leading hardware programs from early-stage prototyping through to full-scale production, with an emphasis on technical execution and delivery. </li><li>Operating in Resource-Constrained Environments: Hands-on leadership experience in a startup setting without deep financial backing—where scrappiness, prioritization, and efficiency were key to success. </li><li>Deep, Non-Consumer Hardware Expertise: A strong background in complex, non-consumer hardware systems (e.g., industrial, medical devices, robotics, aerospace, automotive, etc.)—with a clear understanding of the technical and regulatory challenges involved. </li><li>Cross-Functional Collaboration: A track record of working closely with cross-disciplinary teams (product, manufacturing, executive leadership) to align hardware development with company goals and milestones. </li><li>Technical Strategy &amp; Execution: Demonstrated ability to set and execute a clear technical vision for a hardware organization, including defining engineering processes, quality standards, and scaling roadmaps.</li></ul><h1>Qualifications and Skills</h1><ul style="min-height:1.5em"><li>At least 3 years of engineering leadership experience at director level or above</li><li>Experience shipping successful products</li><li>Experience working with cross-functional teams</li><li>Experience working on agile products / with ambitious deadlines</li></ul>

VP of Engineering, Hardware

Fourier is working on making on-site Hydrogen universally accessible. Our breakthrough architecture enables highly modular and fully automated Electrolyzers that scale to any size and optimize efficiency at all loads. We are on a mission to transition the global energy landscape towards a purely sustainable and emission free future. <h2>About the Role</h2>We are looking for a Mechanical Engineer to aid in thermal and fluid systems design, assembly, testing, and optimization of our system. Fourier engineers work in a hands-on, collaborative environment to solve problems and push progress forward. Qualified candidates should have prior hands-on experience working in a mechanical lab or industrial company. <h2>Roles and responsibilities</h2><ul style="min-height:1.5em"><li>Design and validate air and liquid cooling technologies for thermal management of electrolyzer stacks and electrical components.</li><li>Optimize cooling solutions for all aspects of their performance, cost, and reliability </li><li>Review process flow diagrams, and create P&amp;IDs and mechanical design</li><li>Perform analysis to validate fluid &amp; thermal performance and safety of the designs</li><li>Facilitate selection of the optimal hardware components (heat exchanger, pump, fan, sensors, pipes, valves, fittings etc.) from external suppliers </li><li>Collaborate with power systems and product teams to aid in system integration</li><li>Assess failure modes that involve thermal/structural/electrical/chemical/fluid interactions </li><li>Develop test plans and lead thermal &amp; fluid systems lab test, and validation activities</li><li>Create and maintain Balance of Plant cost/Bill of Materials </li><li>Oversee the assembly and setup of prototypes, and production units</li></ul><h2>Qualifications</h2>Required: <ul style="min-height:1.5em"><li>B.S. in Mechanical Engineering or equivalent with 5+ years of relevant experience</li><li>First-principles physics understanding of engineering disciplines such as: heat transfer, thermodynamics, and fluid dynamics</li><li>Experience in 2D/3D CAD piping and thermal system design </li><li>Extensive experience taking designs from concept through production</li><li>Experience in DFM, DFA and cost optimization </li><li>Hands-on experience assembling mechanical components </li><li>Familiarity with mechanical and structural design </li><li>Skills: 3D CAD (Solidworks or similar), 2D Drawings, GD&amp;T</li></ul>Preferred: <ul style="min-height:1.5em"><li>Advanced degree (M.S. or Ph.D) in Mechanical Engineering or relevant field </li><li>Experience in the following areas: <ul style="min-height:1.5em"><li>Hands-on work with gas and/or water piping </li><li>FMEA (Failure Mode &amp; Effects Analysis) </li><li>Working with hydrogen or similar gasses </li><li>Thermal FEA and fluid analysis (CFD)</li><li>Packaging design for thermal and fluids systems</li></ul></li></ul><h2>What we offer</h2><ul style="min-height:1.5em"><li>Fully paid Medical, Dental, and Vision coverage</li><li>Competitive salary and equity compensation commensurate with experience</li><li>401k</li><li>Diverse and inclusive work environment</li><li>Paid sick days and vacation</li></ul>

Sr. Mechanical Engineer, Thermal and Fluid Systems

Fourier is building the future of on-site Hydrogen. Our breakthrough architecture enables highly modular, fully automated Hydrogen systems that scale to any size and maintain optimal efficiency across all loads. Our mission is to accelerate the world’s transition to sustainable, emission-free energy.As part of our global growth, Fourier is expanding into India—establishing a key development center that will play a critical role in product engineering, prototyping, and future manufacturing. India will be central to our global supply chain and will evolve into a vital hub for innovation, deployment, and scale. With its rising demand for clean energy and growing industrial base, India also represents one of the most important long-term markets for hydrogen-based energy resilience.<h2>About the Role</h2>We’re looking for a Managing Director to lead Fourier’s India office. This is a senior leadership role reporting directly to the CEO, with significant ownership over technical direction, team building, and organizational development.You’ll work at the intersection of engineering innovation and company strategy—building a team, driving technical execution, and helping us deliver next-gen Hydrogen systems to market while working towards our long-term vision of Energy Resilience<h2>Roles and responsibilities</h2><ul style="min-height:1.5em"><li>Build a world-class engineering organization in India from the ground up—hire top talent, establish core processes, and shape a high-performance, mission-aligned culture.</li><li>Lead Fourier India’s engineering organization and play a critical role in company-wide product strategy and execution.</li><li>Partner with the U.S. team to define and implement architectural and design directions for our electrolyzer systems.</li><li>Oversee hardware and software development including test stands, fabrication, and stack subsystems.</li><li>Work with and be a part of Fourier’s leadership team to own the product development from early prototyping through late-stage manufacturing.</li><li>Provide technical oversight and hands-on leadership to accelerate development velocity.</li><li>Manage and report on engineering budgets, timelines, and resourcing.</li><li>Support vendor and supplier management including contract negotiation and sourcing of critical components.</li><li>Actively contribute to building Fourier’s collaborative and people-first culture across India and the U.S.</li></ul><h2>Qualifications</h2><ul style="min-height:1.5em"><li>Bachelor’s or Master’s degree in Mechanical, Electrical, Computer Science or related Engineering disciplines.</li><li>Experience leading a global technical team preferably in the US-India corridor and working with global suppliers and customers</li><li>10+ years of experience leading teams, with director-level (or higher) responsibilities.</li><li>Proven success managing 15+ engineers and scaling high-performance teams from the ground up.</li><li>Deep experience in building and launching industrial-grade hardware systems.</li><li>Familiarity with mechanical, electrical, and chemical engineering problems in the energy sector.</li><li>Prior experience in manufacturing and scaling complex systems. Skilled in hiring, mentoring, and developing senior leaders and managers.</li><li>Strong command of Indian HR practices, including compensation, performance management, and employee relations.</li><li>Excellent collaboration, communication, and organizational influence—especially across geographies.</li><li>Experience in vendor management, sourcing, and contract negotiations is a plus.</li></ul><h2>What we offer</h2><ul style="min-height:1.5em"><li>Competitive salary &amp; equity</li><li>Comprehensive benefits</li><li>A collaborative and inclusive work environment</li><li>The opportunity to shape the future of clean energy and grow with a mission-driven team</li></ul>

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