Company Overview: WeeFin is a rapidly expanding FinTech company revolutionising sustainable finance, now counting more than 80+ 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.

Position Overview: As a Technical Solutions Engineer, you will play a pivotal role in ensuring the successful implementation and ongoing satisfaction of our platform for our clients. 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 identifying upsell opportunities and presenting new features to clients, contributing directly to the business development strategy. 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 8, 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:

• Product Demonstrations & Presentations: Act as a product ambassador by showcasing the platform’s capabilities to clients and prospects, translating technical functionalities into business benefits.

• Tactical Solution Development: Design and implement algorithms or tactical tools tailored to clients’ needs, ensuring that the platform meets specific financial or operational requirements.

• Client Onboarding: Lead the implementation of our platform for new clients, customising the solution to meet their specific requirements and ensuring a seamless integration process.

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

• Upsell & Business Development: Proactively identify opportunities to expand usage of our solution within existing accounts. Present new features and additional services to clients, demonstrating their added value to encourage upsells.

• 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.

• Relationship Management: Build and maintain strong relationships with clients, acting as their advocate within WeeFin and ensuring their long-term satisfaction and success with our solution.

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.

Additional Information:

• 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€ at the beginning of 2025, led by BlackFin

  • More than 80 employees across the Paris & London offices

    Support to start your life in the UK & onboarding

  • Your onboarding will begin with a few days at our Paris headquarters, where you’ll meet the wider team in person and gain a deeper understanding of our culture and platform.

  • We’ll provide you with accommodation for the first 2 weeks of your experience in London, for you to have the time to settle in

  • 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.

    Post-V.I.E opportunities: We are open to offering a permanent position at the end of the 12-month V.I.E programme to candidates who thrive in the role, with opportunities available in either our Paris or London office.

• Educational Background: Bachelor’s or Master’s degree in Engineering, Computer Science, Finance, or a related field.

• Experience: Experience in a technical client-facing role, preferably within the Finance, FinTech or SaaS industry.

• Technical Skills: Strong proficiency in algorithm development, scripting (Python, VBA, or similar), and data structuring. A strong analytical mindset with the ability to create tactical solutions for financial applications.

• Communication Skills: Excellent verbal and written communication skills in English; proficiency in French is a plus.

• Client-Focused: A passion for working with clients, with the ability to understand their needs and provide solutions that drive value.

• Knowledge in Market Finance (a plus): A strong understanding of financial markets, financial products, and risk management principles would be a plus.

• Adaptability: Ability to thrive in a fast-paced, startup environment and adapt to changing priorities.

• Initial Screening – 30 minutes: A short conversation to assess fit and answer initial questions.

• Qualifying Interview – 1 hour 30 minutes: An in-depth discussion exploring experience, technical skills, and motivation.

• Focus Interview – 30 minutes: A targeted discussion on specific skills or business cases relevant to the role.

• Final Interview – 30 minutes: A conversation with senior leadership to align on values and expectations.

Offer Stage – Formal offer from WeeFin