Founding Engineer – LLM & Voice Systems

About Us Is first AI-powered assistant for sustainability teams at consumer brands. We helps brands with tracing their supply chains, communicate their efforts to consumers, stay compliant with regulations like the EU Digital Product Passport, and stop wasting time on manual work. We’re pre-seed and working with early pilot brands. This is a ground-floor opportunity to join a fast-moving, mission-driven startup and help build a product with real-world impact. If you’re excited to co-build a mission-driven product from the ground up, shape real decisions, and earn meaningful ownership, this is the kind of experience that defines careers. About the Role You’ll work directly with the CEO to design and ship the first version of the product, integrate LLMs for automated workflows, and co-create a platform that helps sustainability teams actually move the needle. This role is ideal for someone who wants to have a positive impact in the world, work directly with really cool customers, build a product from scratch, and take full ownership over the technology and its direction. What You’ll Do Build and iterate on core platform and AI agent Own development across the stack: Lead architecture and backend decisions (Node, Postgres, Supabase) Supercharge our users’ interactions with the web (React) Unleash the power of AI for our customers (OpenAI, MCP, RAG) Evangelize agents coding tools like Cursor or Claude Code to multiply engineering impact Talk to users, gather feedback, and prototype quickly Lay the foundation for a high performing engineering organization ready to scale with the business, including culture, CI/CD, version control, and SDLC process Help shape product strategy and grow the engineering team What We’re Looking For 3+ years of full-stack development experience Strong background in modern full stack development. Our stack is DynamoDB, AWS, React, Redux, OpenAI, and Python (but this can be changed) Demonstrable experience with LLMs, agent frameworks, or workflow automation Excited about building something that drives impact in sustainability Comfortable working in ambiguity and iterating quickly, in a startup environment Clear communicator who’s proactive and self-directed Hungry to grow and ready to own a big piece of something early What You’ll Get A say in product, strategy, and company direction Experience building a real AI product in a high-impact industry A chance to work closely with brands that are shaping the future of sustainable fashion Room to lead, experiment, and make things happen

Experience Level: Senior/Lead (5+ years experience) Reports to: Director of Engineering Job Summary: We are seeking a meticulous and detail-oriented Manual QA Tester to join our team. The ideal candidate has a strong background in exploratory and scenario-based testing, experience using test management tools like TestRail, Testmo, or Cucumber, and a passion for ensuring high-quality product releases. Key Responsibilities: Execute manual blackbox tests on web applications to validate functionality, usability, and reliability. Collaborate with product managers, developers, and designers to understand feature requirements and create test plans and detailed test cases. Log, track, and verify bugs using tools such as Jira or similar. Use test management platforms like TestRail, Testmo, or Cucumber for writing, organizing, and maintaining test cases. Participate in sprint planning, standups, and retrospectives as part of an Agile/Scrum team. Conduct regression testing prior to production releases and maintain documentation on test coverage. Provide clear and actionable bug reports, including reproduction steps, screenshots, and expected vs. actual outcomes. Help maintain and evolve QA documentation, workflows, and best practices. Required Qualifications: 5+ years of experience in manual QA testing, specifically blackbox testing. 2+ years of experience in SaaS platforms. Hands-on experience with TestRail, Testmo, or Cucumber for test case management and execution. Strong understanding of QA methodologies, test case design, and defect lifecycle. Experience testing web applications across different browsers or devices. Excellent communication and documentation skills. Familiarity with Agile development environments and tools like Jira or Asana. Preferred Qualifications: Basic knowledge of HTML/CSS or developer tools for UI inspection. Familiarity with REST APIs and tools like Postman (for optional API testing). Exposure to automated testing concepts or frameworks (even if not hands-on).

As a senior member of the marketing team, you will translate Mappa’s product vision into compelling go‑to‑market programs that drive adoption, activation, retention and expansion. You’ll own the end‑to‑end product marketing function—partnering closely with the Head of Marketing, Product, Growth and Sales—to build and scale our Product‑Led Growth motion across a rapidly growing B2B SaaS platform. Key Responsibilities PLG Strategy Execution: Turn high‑level PLG roadmaps into concrete programs (in‑app onboarding flows, self‑serve funnels, in‑product nudges). Lead A/B tests, cohort analyses and funnel optimizations to boost activation and expansion metrics. Go‑To‑Market Leadership: Plan and execute every product launch: define target segments, messaging, beta cohorts, enablement materials and launch communications. Align launch cadence with Head of Marketing’s global calendar and prioritize based on impact vs. effort. Positioning & Messaging: Own product value propositions, buyer personas and competitive differentiation. Craft crisp, user‑centric positioning that resonates across marketing, sales decks, website copy and enablement content. Cross‑Functional Enablement: Develop sales tools, battle cards and objection‑handling guides for Revenue teams. Train Customer Success on new features and gather customer feedback to inform prioritization. Market & User Insights: Lead market research, customer interviews and Jobs‑to‑Be‑Done workshops. Surface whitespace opportunities and recommend product enhancements to Product leadership. Mentorship & Process: Mentor more junior PMMs or product marketers as we build out the function. Define and document repeatable frameworks for launches, PLG experiments and post‑mortems. KPI Tracking & Reporting: Monitor cohort, funnel and revenue metrics; prepare dashboards and executive summaries for quarterly reviews. Translate data into clear, actionable insights and recommend course‑corrective actions. Required Skills & Experience PLG Expertise: 4–6 years in Product Marketing or Growth roles at B2B SaaS/high‑growth startups, with hands‑on PLG execution. Launch Track Record: Proven success driving adoption of technical products—especially self‑serve and freemium models. Data Fluency: Comfortable with BI tools (Looker, Metabase, Tableau) and SQL for cohort analysis, funnel metrics, A/B test design. Storytelling & Communication: Ability to distill complex ML/API capabilities into simple, persuasive messages for diverse audiences. Cross‑Functional Leadership: Strong project management skills; experience coordinating Design, Engineering, Sales and CS under tight deadlines. Languages: Native‑level English and Spanish fluency for global collaboration. Mindset & Culture Fit: High ownership, bias for action, comfort in ambiguity and a passion for scaling startups.