--- title: 'Product Engineer - Seed stage - Climate Tech at FledgeHQ' canonical: 'https://feeny.ai/job/product-engineer-seed-stage-climate-tech-fledgehq-barcelona-x73xrtre98jk' type: 'job' last_seen: '2026-09-13' --- # Product Engineer - Seed stage - Climate Tech at FledgeHQ - **Company:** FledgeHQ - **Location:** Barcelona, Spain - **Employment:** full-time - **Work type:** hybrid - **Posted:** 2025-12-05 - **Last confirmed live:** 2026-09-13 - **Apply:** https://jobs.gem.com/fledge/am9icG9zdDo5i_9h6KnZVFlXvuPgjpKF ## Job description Fledge We are a boutique Talent search firm connecting exceptional Talent with the most innovative companies in the AI and software development industries across EMEA. Our clients are among companies with innovative products that have a positive impact on our societies, and we present them with a solution model between fine consulting and flexible recruitment process outsourcing : - Fractional Talent Acquisition Advisory - Recruitment operation tools - On-demand Talent sourcing expertise Job Summary We are searching for a Product Engineer to join a climate-tech startup based in Barcelona, developing advanced AI systems to accelerate global decarbonization. The company blends deep scientific research, AI engineering, and operational expertise to help industrial partners reduce emissions at scale. Their platform processes complex data in real time, providing actionable insights that drive measurable environmental outcomes. In this role, you’ll build and own end-to-end product features for AI-powered applications used by energy, mobility, and industrial teams worldwide. You’ll work at the intersection of product, engineering, and environmental science—designing intuitive tools, building scalable systems, and solving technical challenges tied to sustainability, high-frequency data, and model integration. The team values autonomy, fast iteration, and a strong sense of mission. In this role, you will - Lead the development of full-stack solutions, from designing intuitive user interfaces to crafting robust backend systems. - Collaborate with cross-functional teams—AI researchers, climate scientists, and data engineers—to integrate models into practical, user-centric tools. - Architect scalable, maintainable systems capable of handling high-volume environmental and industrial data. - Experiment with and implement modern frameworks, APIs, and cloud infrastructure. - Mentor junior developers, helping cultivate a culture of growth, clarity, and high technical standards. - Automate and optimize workflows to deliver faster, more reliable solutions for internal teams and external users. Required Skills and Qualifications - Strong theoretical and practical knowledge of computer science foundations. - Strong knowledge of core web technologies like React, Next.js, Tailwind, Typescript. Familiarity with Python and AWS is a plus. - Passion for both AI/LLMs and user experience and design. - A commitment to collaborative teamwork, continuous growth, and constructive feedback-seeking. - Experience working at early-stage startups is a plus. ## Preferred Skills and Qualifications - Great communicator: You can help clients understand the value we bring and help our team better understand our clients - Resilience: You can ride the ups and downs of the job and stay balanced through it all. - Results-based: You own the outcome. - Team player: You put the team before you. - Organized: You can keep track of your workload and ensure critical things are not missed. In return, they offer - Top of the market salary - Equity plan - Relocation support - Visa administration 🌈 Diversity, Equity, Inclusion and Belonging We are committed to enabling everyone to feel included and valued and trust our partners to do the same. Both the company and its culture are strongest when composed of diverse experiences and backgrounds. All qualified applicants will receive consideration for employment without regard to age, color, family, gender identity, marital status, national origin, physical or mental disability, sex (including pregnancy), sexual orientation, or any other characteristic protected by applicable laws. ℹ️ Important If you have a medical condition or an individual need for an adjustment to our process, and you believe this may affect your ability to be at your best — please let us know so we can talk about how we can best support you and make any adjustments that may be needed. In case of any doubts or questions, please contact Fledge – j.entresangle@fledge.net ## About FledgeHQ ## Company Overview - **One-liner**: Fledge is a boutique talent acquisition and search firm that helps tech companies and startups hire niche technical talent in Europe and the US. - **Entity Type**: Private (bootstrapped, no disclosed funding rounds) - **Headquarters**: Paris, Île-de-France, France (with a second office in Austin, Texas, USA) - **Founded**: Year not publicly available - **Founders**: Founders not publicly listed ## Core Business - **Primary industry**: Talent acquisition / Recruitment services for the technology sector - **Target customers**: B2B – primarily early- to growth-stage startups and scale-ups in Europe and the US, with a focus on engineering, data, AI, and security roles. - **Mission/purpose**: “Making hiring, work for everyone” – providing human-centric, tailored talent solutions that put people first and help both companies and candidates thrive. ## Products & Services - **Tailored Talent Search (Retained & Contingent)**: Full-cycle sourcing and recruitment of senior technical and leadership roles, including Founding Engineers, Cybersecurity Researchers, and Product Engineers. - **Fractional Talent Acquisition Advisory**: Embedded recruitment consultants who work directly with hiring managers to accelerate operations. - **Recruitment Operation Tooling**: Support for implementing sustainable talent management processes and employer branding. - **On‑demand Talent Search** (“Plug and Play”): Rapid, flexible sourcing for specific technical roles without long-term commitment. - **Coaching & Legal Support**: Career coaching for candidates and assistance with contract negotiations, compensation, and promotion discussions. ## Market Standing - **Valuation/Market Cap**: Not disclosed - **Key Metric**: Annual revenue not publicly available; total funding rounds not applicable (bootstrapped) - **Notable Investors/Partners**: No disclosed investors; partners with innovative startups and progressive tech companies; clients include Photoroom, Glady, ING Belgium, Wordsmith AI, and others (based on alumni data). - **Growth Signals**: - LinkedIn followers: 1,448 (yearly growth +12.6%) - Website traffic: 2,085 monthly visits (yearly growth +60.4%) - Workforce distributed across France, Spain, Colombia, Belgium, and the US - Recent expansion into Mexico City (hiring Forward Deployed Engineer to serve Latin American talent pool) - Active hiring campaigns for multiple portfolio startups (security, growth, engineering roles) ## Competitive Advantages - **Niche specialization**: Deep focus on tech talent in Europe and the US, particularly in AI, cybersecurity, data, and engineering – areas where generalist agencies often lack expertise. - **Human‑centric approach**: Emphasis on coaching, legal support, and career progression for candidates differentiates from high‑volume RPO (Recruitment Process Outsourcing) firms. - **Boutique, tailored service**: Small team (6 people) allows close partnership with founders and hiring managers, offering fractional advisory and flexible engagement models. - **Data‑driven sourcing**: Use of analytics to identify root causes in hiring processes and improve employer branding. ## Strategic Focus - **Geographic expansion**: Actively building presence in Latin America (Mexico City) to complement European and US operations, targeting bilingual candidates. - **Deepening AI & security practice**: Increasing placement volume in AI, cybersecurity, and governance roles (reflected in recent job postings). - **Strengthening candidate‑side offerings**: Expanding coaching and legal support to attract top passive talent and build a strong talent community. ## Why Work Here - **Culture**: Described as “human‑centric” and talent‑first; the team is lean (6 people) with a collaborative, remote‑friendly ethos. - **Work policy**: Hybrid and remote options available – some roles are fully remote, others are hybrid in Paris; flexibility depends on the client company. - **Notable perks**: - Exposure to cutting‑edge startups in AI, cybersecurity, and growth - Opportunity to work with a distributed international team - Coaching and legal support also available to internal team members? (not explicitly stated, but the firm values career development) - Emphasis on “positive impact” and progressive hiring practices. - **Engineering culture**: For technical candidates placed through Fledge, the firm focuses on high‑impact roles (Founding Engineer, Forward Deployed Engineer) with strong mentorship and autonomy. ## Sources 1. [fledge.net](https://www.fledge.net/) 2. [linkedin.com/company/fledgehq](https://www.linkedin.com/company/fledgehq) 3. [fledge.net/candidates](https://www.fledge.net/candidates/) 4. [fledge.net/companies](https://www.fledge.net/companies/) 5. [fledge.net/contact](https://www.fledge.net/contact/) ## Other roles at FledgeHQ - [Director of Growth Marketing, Paris](https://feeny.ai/job/director-of-growth-marketing-paris-fledgehq-paris-fppammw3mdh7) — Paris, France - [Senior CyberSecurity Researcher, Paris](https://feeny.ai/job/senior-cybersecurity-researcher-paris-fledgehq-paris-z1vjkdsmmbex) — Paris, France - [Forward Deployed Engineer - Series A - HR Tech](https://feeny.ai/job/forward-deployed-engineer-series-a-hr-tech-fledgehq-mexico-city-xxmq4macfy7t) — Mexico City - [Founding Product Engineer - Early stage](https://feeny.ai/job/founding-product-engineer-early-stage-fledgehq-paris-02q9my4mj33b) — Paris, France - [Backend Engineer - 2nd hand Marketplace](https://feeny.ai/job/backend-engineer-2nd-hand-marketplace-fledgehq-barcelona-2bhmt3gnpzsa) — Barcelona, Spain - [Forward Deployed Engineer - Series A - HR Tech](https://feeny.ai/job/forward-deployed-engineer-series-a-hr-tech-fledgehq-barcelona-8vg4p6wj6gk2) — Barcelona, Spain - [Senior Product Designer - Scale Up - 2nd hand Marketplace](https://feeny.ai/job/senior-product-designer-scale-up-2nd-hand-marketplace-fledgehq-barcelona-rpy7q5vs68j4) — Barcelona, Spain - [Machine Learning Engineer - Scale Up - 2nd hand Marketplace](https://feeny.ai/job/machine-learning-engineer-scale-up-2nd-hand-marketplace-fledgehq-barcelona-0c5sx1avgm9r) — Barcelona, Spain - [Staff BackEnd Engineer - Series A - HR Tech](https://feeny.ai/job/staff-backend-engineer-series-a-hr-tech-fledgehq-barcelona-v7cvnqv4639t) — Barcelona, Spain - [Forward Deployed Engineer - Series B - AI Customer Agents](https://feeny.ai/job/forward-deployed-engineer-series-b-ai-customer-agents-fledgehq-paris-znf7m0g5w711) — Paris, France