V.I.E — TECHNICAL SOLUTIONS ENGINEER—SALES SUPPORT (FINTECH) - M/F (H/F) WeeFin

Company Overview:

WeeFin is a rapidly expanding FinTech company revolutionising sustainable finance, now counting more than 100 employees across France and the UK.

With our SaaS platform, we help financial institutions better understand and integrate Environmental, Social, and Governance (ESG) data. We support our clients, including major French and international financial institutions, in their transition towards more sustainable and transparent finance. Having recently secured funding to accelerate our growth, we are seeking talented individuals to join our team in the UK, WeeFin being headquartered in Paris. As part of our international expansion, we opened a new office in London and are looking for a Technical Solutions Engineer to join us through the V.I.E programme.

WeeFin Growth

• Seed round: 2m€ in 2022

• Series A round: 7m€ at the end of 2023 with 4 investment funds: Asterion Ventures, Investir&+, Iris Capital and Ring Capital

• Series B round: 25m€ in 2025, led by BlackFin

• More than 100 employees across the Paris & London offices

Position Overview:

As a Technical Solutions Engineer, you will mainly support our Pre-sales team on Proofs of Concept (POCs) for prospects . You will serve as both a technical expert and a commercial ambassador, working closely with clients to understand their needs, provide tailored solutions, and ensure they get the maximum value from our platform. Your role will also involve presenting new features to clients, contributing directly to the business development strategy.

You will also support pre-sales activities by partnering with the Sales team to qualify technical requirements, deliver product demos, contribute to tailored solution design, and articulate the platform’s technical value proposition to prospective clients.

Additionally, you will be responsible for developing tactical solutions and algorithms to meet specific client demands, bridging the gap between technical development and business needs.

UK Office Overview: You’ll be joining WeeFin’s UK team of 12 people, based in a co-working space in Aldgate, at the heart of the City of London. The space offers access to a full range of facilities, including meeting rooms, lounges, kitchens, and an on-site coffee shop. There’s also a rooftop terrace and an in-house gym—perfect for lunch breaks and after-work gatherings with the team.

Key Responsibilities:

• Pre-sales support: work hand in hand with the Pre-sales team to understand prospects’ needs, qualify technical requirements and contribute to tailored solution design, RFPs and POCs.

• Product demonstrations: help prepare and deliver product demos, learning to translate technical functionalities into clear business benefits for clients and prospects.

• Technical expertise: support technical discussions and help answer client questions, building your expertise on the platform and its data.

• Tactical solution development: design and build algorithms or tools tailored to client requirements, ensuring the platform meets specific financial or operational needs.

• Client onboarding: occasionally support the Ops team on new client implementations when additional capacity is needed.

• Client Training: Conduct training sessions and workshops to educate clients on the effective use of our platform, empowering them to utilise it to its fullest potential.

• Feedback Loop: Gather client feedback on our solution, identify areas for improvement, and work closely with our product and development teams to enhance the user experience.

• Partner with Sales to understand prospects’ needs, qualify technical requirements, design tailored solutions, and deliver compelling product demos

• Lead technical discussions, address client questions, support RFPs and POCs when needed

• Client relationships: support the Account Executives in building strong client relationships, contributing to client satisfaction and success with our solution. All client engagement is coordinated with the AE in charge of the account.

What to expect from this experience

• Step into the FinTech space to discover one of the most dynamic industries

• At WeeFin, you’ll work at the intersection of technology, finance, and sustainability, gaining hands-on experience with cutting-edge tools and real-world client challenges.

• You’ll join a close-knit and supportive team in London while staying connected to our Paris headquarters, allowing you to build an international network from day one.

• Participate in making an impact and making finance more sustainable and transparent

• Expect a steep learning curve, ownership of your projects, and the freedom to propose and implement your ideas.

• You’ll also gain deep exposure to ESG and sustainable finance, equipping you with a unique and highly relevant skill set for the future of the financial industry.

Support to start your life in the UK & onboarding

• We’ll support you throughout your relocation, including guidance to help you find suitable accommodation. From the outset, you’ll be in close contact with your team, who will be available to answer your questions about living in the UK—whether it’s finding a place to live, settling in, or discovering the best spots to visit and shop.

• You’ll also benefit from regular check-ins with both the UK and French teams to ensure a smooth and well-supported transition.