<h3 style="text-align: justify">About Us:</h3>Maiven makes climate policy simple, timely, and actionable. We believe policy is the highest-leverage driver of climate action - policies force companies to take action and Maiven builds software to enable that lever. We continuously track 500k+&nbsp; climate policies worldwide&nbsp; (and growing fast) and use expert-guided AI to surface what matters to each customer, then turn it into source-grounded briefs, risk/opportunity scores and deadlines so companies can act. Under the hood: legislative ingestion → custom entity extraction → sentence-transformer embeddings + vector search → a proprietary relevance model → LLM reasoning. We launched in April 2025, ship weekly, have paying customers, and are backed by Pale Blue Dot, Ada Ventures, Tiny VC, and angels with an oversubscribed £1.5M pre-seed.We’re growing our engineering team: high-ownership builders who like real-world impact and clear outcomes. You’ll work with a kind, diverse team that values creativity, autonomy, and growth. We also know how to get stuff done whilst having a laugh. Our co-founders bring significant experience in tech and climate, and they have prioritised cultivating an empowering, inclusive, and value-driven people first culture from day one.<h3 style="text-align: justify">Where we are now (and what’s next)</h3><ul><li>Now: MVP validated with early customers; we have a large database of policies, and features including a policy relevance algorithm, and impact insights are live.</li><li>Next: Extend and scale. A mix of new feature development and maturing what’s already in production. You will both build new modules and extend existing features where it makes sense. We bias to shipping value weekly while paying down the right debt along the way.</li></ul><hr><h3 style="text-align: justify">The Opportunity:</h3>If you see policy as the key lever for climate impact, this is where your code directly pulls that lever, turning shifting regulation into action at global scale. As a Product Engineer at Maiven, you’ll help set our technical foundation, shape the product and influence how we build as a team, working alongside a team that deeply cares about helping people develop and succeed.<h3 style="text-align: justify">What You'll Do:</h3><ul><li>Lead Development: Architect, build, and maintain scalable fullstack applications, (primarily Typescript on AWS).</li><li>Collaborate across disciplines: Pair with policy specialists and ML/Data engineers; occasionally contribute to Python services (no prior ML experience required).</li><li>Own problems end to end: From understanding the policy and user context to delivering production code and measuring impact.</li><li>Stay close to customers: iterate quickly based on feedback and usage data.</li><li>Adapt and Grow: Be the kind of engineer who can quickly learn new tools, adapt to new challenges, and thrive in a fast-paced environment.</li><li>Champion Culture: Help define Maiven’s company culture by contributing to our inclusive, growth-oriented environment. We prioritise diversity because we know it creates the best and most high performing teams.</li></ul><h3 style="text-align: justify">Who You Are:</h3><ul><li>Fullstack Engineer with hands-on experience in Typescript or Python.</li><li>Cloud Expertise: Have demonstrable experience using cloud technologies. We use AWS, but we don’t mind if you have experience with a different cloud provider.</li><li>Self-starter: You’ve preferably built a product from scratch or have experience with early stage projects. You thrive in an autonomous setting and are motivated by impact, ownership, and learning.</li><li>Quick Learner: Eager to tackle complex challenges and bring creative solutions to the table. You’re able to learn quickly, pivot when necessary, and make decisions that balance short-term agility with long-term stability.</li><li>Team Player with Vision: You care about the mission, our customers, the team, and you’re excited to be part of a values-driven culture.</li><li>Tech-for-Good Enthusiast: Passionate about climate change and using technology for positive, large-scale impact.</li></ul><h3 style="text-align: justify">Our technology:</h3>We don’t mind if you don’t have experience in everything listed here, it’s more to give you a flavour of what we are building.&nbsp;<ul><li>TypeScript (<a target="_blank" rel="noopener noreferrer nofollow" href="http://next.js">Next.js</a>, React)</li><li>Tailwind CSS</li><li>Vercel</li><li>AWS</li><li>PostgreSQL</li></ul>If you use Cursor, Claude Code or similar AI coding assistants and understand how to work with their limitations effectively, you’ll likely feel at home. On the ML and Data side (for interest, not required):<ul><li>Python • PostgreSQL • Alembic • Dagster • dbt • Docker</li></ul> <hr><h3 style="text-align: justify">Why Join Maiven?</h3><ul><li>Work with Purpose: Enable companies to take climate action by simplifying policies.</li><li>Career Growth: Work with a founding team that prioritises learning, ownership, and career development.</li><li>Inclusive Culture: Join a team committed to bringing together top talent from all backgrounds to create a supportive, innovative workplace.</li><li>Ownership &amp; Autonomy: This role is an opportunity to take on high-impact responsibilities and make a meaningful contribution from day one.</li></ul>At Maiven, you’ll join a small, passionate team at the ground level, with the chance to shape both the product and the company’s future. If you’re looking for a position where your technical skills, creativity, and commitment to a sustainable future can flourish, we’d love to meet you!<hr>What if you’re a partial fit?&nbsp;We prioritise people who have the ability to learn quickly over those who tick boxes perfectly and encourage you to apply even if your experience doesn't exactly match this job description.&nbsp;Equal employment opportunity&nbsp;At Maiven, it is one of our founding philosophies that to build the best teams, we need people from diverse backgrounds with diverse experiences. We are creating an inclusive workplace where people’s varied backgrounds and experiences are valued and recognised. We encourage applications from candidates of all backgrounds and offer equal opportunities without discrimination.

In the last 15 years, companies have faced an average of 54 new climate policies each year. This constant influx of regulations can leave businesses overwhelmed and exposed to both risks and missed opportunities. At Maiven, we cut through the complexity. Our platform delivers tailored, real-time insights that help you pinpoint the most relevant climate policies, understand their implications, and take decisive actions to mitigate climate risks and capture business opportunities. Stay informed, proactive, and ahead of the curve in an ever-evolving policy landscape. Visit our website to learn more: <a target="_blank" rel="noopener noreferrer nofollow" href="maiven.tech">maiven.tech</a>

Product (Fullstack) Engineer

<h3>About Us:</h3>Maiven makes climate policy simple, timely, and actionable. We believe policy is the highest-leverage driver of climate action - policies force companies to take action and Maiven builds software to enable that lever. We continuously track 500k+&nbsp; climate policies worldwide&nbsp; (and growing fast) and use expert-guided AI to surface what matters to each customer, then turn it into source-grounded briefs, risk/opportunity scores and deadlines so companies can act. Under the hood: legislative ingestion → custom entity extraction → sentence-transformer embeddings + vector search → a proprietary relevance model → LLM reasoning. We launched in April 2025, ship weekly, have paying customers, and are backed by Pale Blue Dot, Ada Ventures, Tiny VC, and angels with an oversubscribed £1.5M pre-seed.We’re growing our engineering team: high-ownership builders who like real-world impact and clear outcomes. You’ll work with a kind, diverse team that values creativity, autonomy, and growth. We also know how to get stuff done whilst having a laugh. Our co-founders bring significant experience in tech and climate, and they have prioritised cultivating an empowering, inclusive, and value-driven people first culture from day one.<h3>Where we are now (and what’s next)</h3><ul><li>Now: MVP validated with early customers; we have a large database of policies, and features including a policy relevance algorithm, and impact insights are live.</li><li>Next: Extend and scale. A mix of new feature development and maturing what’s already in production. You will both build new modules and extend existing features where it makes sense. We bias to shipping value weekly while paying down the right debt along the way.</li></ul><hr><h3>The Opportunity:</h3>If you see policy as the key lever for climate impact, this is where your code directly pulls that lever, turning shifting regulation into action at global scale. As a Product Engineer at Maiven, you’ll help set our technical foundation, shape the product and influence how we build as a team, working alongside a team that deeply cares about helping people develop and succeed.<h3>What You'll Do:</h3><ul><li>Lead Development: Architect, build, and maintain scalable fullstack applications, (primarily Typescript on AWS).</li><li>Collaborate across disciplines: Pair with policy specialists and ML/Data engineers; occasionally contribute to Python services (no prior ML experience required).</li><li>Own problems end to end: From understanding the policy and user context to delivering production code and measuring impact.</li><li>Stay close to customers: iterate quickly based on feedback and usage data.</li><li>Adapt and Grow: Be the kind of engineer who can quickly learn new tools, adapt to new challenges, and thrive in a fast-paced environment.</li><li>Champion Culture: Help define Maiven’s company culture by contributing to our inclusive, growth-oriented environment. We prioritise diversity because we know it creates the best and most high performing teams.</li></ul><h3>Who You Are:</h3><ul><li>Fullstack Engineer with hands-on experience in Typescript or Python.</li><li>Cloud Expertise: Have demonstrable experience using cloud technologies. We use AWS, but we don’t mind if you have experience with a different cloud provider.</li><li>Self-starter: You’ve preferably built a product from scratch or have experience with early stage projects. You thrive in an autonomous setting and are motivated by impact, ownership, and learning.</li><li>Quick Learner: Eager to tackle complex challenges and bring creative solutions to the table. You’re able to learn quickly, pivot when necessary, and make decisions that balance short-term agility with long-term stability.</li><li>Team Player with Vision: You care about the mission, our customers, the team, and you’re excited to be part of a values-driven culture.</li><li>Tech-for-Good Enthusiast: Passionate about climate change and using technology for positive, large-scale impact.</li></ul><h3>Our technology:</h3>We don’t mind if you don’t have experience in everything listed here, it’s more to give you a flavour of what we are building.&nbsp;<ul><li>TypeScript (<a rel="noopener noreferrer nofollow" href="http://next.js">Next.js</a>, React)</li><li>Tailwind CSS</li><li>Vercel</li><li>AWS</li><li>PostgreSQL</li></ul>If you use Cursor, Claude Code or similar AI coding assistants and understand how to work with their limitations effectively, you’ll likely feel at home. On the ML and Data side (for interest, not required):<ul><li>Python • PostgreSQL • Alembic • Dagster • dbt • Docker</li></ul> <hr><h3>Why Join Maiven?</h3><ul><li>Work with Purpose: Enable companies to take climate action by simplifying policies.</li><li>Career Growth: Work with a founding team that prioritises learning, ownership, and career development.</li><li>Inclusive Culture: Join a team committed to bringing together top talent from all backgrounds to create a supportive, innovative workplace.</li><li>Ownership &amp; Autonomy: This role is an opportunity to take on high-impact responsibilities and make a meaningful contribution from day one.</li></ul>At Maiven, you’ll join a small, passionate team at the ground level, with the chance to shape both the product and the company’s future. If you’re looking for a position where your technical skills, creativity, and commitment to a sustainable future can flourish, we’d love to meet you!<hr>What if you’re a partial fit?&nbsp;We prioritise people who have the ability to learn quickly over those who tick boxes perfectly and encourage you to apply even if your experience doesn't exactly match this job description.&nbsp;Equal employment opportunity&nbsp;At Maiven, it is one of our founding philosophies that to build the best teams, we need people from diverse backgrounds with diverse experiences. We are creating an inclusive workplace where people’s varied backgrounds and experiences are valued and recognised. We encourage applications from candidates of all backgrounds and offer equal opportunities without discrimination.

Product (Fullstack) Engineer

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Maiven