Wikimedia FoundationEurope

Senior Product Engineer

Description

This role is part of ourKeyword.comteam, one of our growing brands atsaas.group. AtKeyword.com, we're a small team with a big mission: helping SEO pros track and boost their Google rankings. Our tool cuts through the noise, showing businesses what really matters when it comes to optimizing their digital presence. As part ofsaas.group, our team is scattered across Europe and looking for innovative minds to join our journey. As we continue to grow, we're seeking a Senior Product Engineer to own and deliver end-to-end solutions that expandKeyword.combeyond traditional Google SERP tracking into the emerging world of LLM-powered search. You won't just write code — you'll identify user problems, prototype solutions, ship features, and iterate based on real usage data. If you're someone who thinks in terms of user outcomes rather than tickets, thrives on autonomy, and is excited about leveraging LLMs to build entirely new product categories, this role is for you. Profile Overview Your immediate impact in the first 3-6 months will be: Become a core member of our product engineering team, owning features from idea to productionDesign and build LLM-based scrapers that extract ranking data for prompts across major AI platforms (ChatGPT, Perplexity, Gemini, etc.) — bringing the same visibility we provide for Google SERP into the LLM search landscapeDevelop LLM-driven workflows and integrations that automate data collection, analysis, and insight generationShip user-facing features end-to-end, including frontend UI, backend services, and data pipelinesAnalyze usage data and use those insights to shape what you build next Become a core member of our product engineering team, owning features from idea to production Design and build LLM-based scrapers that extract ranking data for prompts across major AI platforms (ChatGPT, Perplexity, Gemini, etc.) — bringing the same visibility we provide for Google SERP into the LLM search landscape Develop LLM-driven workflows and integrations that automate data collection, analysis, and insight generation Ship user-facing features end-to-end, including frontend UI, backend services, and data pipelines Analyze usage data and use those insights to shape what you build next Your responsibilities Own product outcomes end-to-end: from identifying user problems and prototyping solutions to shipping, measuring, and iteratingArchitect and build LLM-powered scraping systems that monitor how brands and keywords rank across AI platformsDesign and implement LLM-driven workflows — prompt engineering, response parsing, structured data extraction, and result evaluation at scaleBuild and maintain the frontend experiences (React.js) that surface LLM ranking insights to usersDevelop scalable backend services and data pipelines to support new product areasAnalyze usage data and user feedback to prioritize what to build, fix, and improveCollaborate closely with the team on product direction — bring opinions, back them with data, and help set prioritiesWrite clear documentation for the features you ship Own product outcomes end-to-end: from identifying user problems and prototyping solutions to shipping, measuring, and iterating Architect and build LLM-powered scraping systems that monitor how brands and keywords rank across AI platforms Design and implement LLM-driven workflows — prompt engineering, response parsing, structured data extraction, and result evaluation at scale Build and maintain the frontend experiences (React.js) that surface LLM ranking insights to users Develop scalable backend services and data pipelines to support new product areas Analyze usage data and user feedback to prioritize what to build, fix, and improve Collaborate closely with the team on product direction — bring opinions, back them with data, and help set priorities Write clear documentation for the features you ship Our Tech Stack Node.js (TypeScript), PHP (Laravel), React.jsMariaDB, ClickHouse, PostgreSQLRabbitMQ, Redis, Debezium, Kafka Node.js (TypeScript), PHP (Laravel), React.js MariaDB, ClickHouse, PostgreSQL RabbitMQ, Redis, Debezium, Kafka What You bring to the table 5+ years of full-stack development experience, with a strong track record of shipping user-facing products end-to-endProficiency in Node.js (TypeScript) for backend services, knowledge of other backend languages is a plusHands-on experience building with LLMs — prompt engineering, MCPs, API integrations (OpenAI, Anthropic, etc.), structured output parsing, and evaluation of LLM responsesExperience deg and building data pipelines and working with large-scale data processingA product mindset: you think about user problems first, not just technical implementation. You form opinions on what to build and whyComfort with ambiguity — you can take a vague problem, break it down, prototype fast, and iterate based on feedbackStrong communication skills — you can explain technical decisions in terms of user and business impactSenior-level ownership: you plan meticulously, ship reliably, and proactively identify risks and opportunities 5+ years of full-stack development experience, with a strong track record of shipping user-facing products end-to-end Proficiency in Node.js (TypeScript) for backend services, knowledge of other backend languages is a plus Hands-on experience building with LLMs — prompt engineering, MCPs, API integrations (OpenAI, Anthropic, etc.), structured output parsing, and evaluation of LLM responses Experience deg and building data pipelines and working with large-scale data processing A product mindset: you think about user problems first, not just technical implementation. You form opinions on what to build and why Comfort with ambiguity — you can take a vague problem, break it down, prototype fast, and iterate based on feedback Strong communication skills — you can explain technical decisions in terms of user and business impact Senior-level ownership: you plan meticulously, ship reliably, and proactively identify risks and opportunities Nice-to-have Experience with modern frontend frameworks (React, Vue.js, or similar)Experience with web scraping or browser automationFamiliarity with OLAP databases like ClickHouse for analytical workloadsBackground in SEO tools, rank tracking, or search ecosystemsExperience with AI agent frameworks or building autonomous LLM-powered systemsHistory of side projects, open-source contributions, or founding your own product Experience with modern frontend frameworks (React, Vue.js, or similar) Experience with web scraping or browser automation Familiarity with OLAP databases like ClickHouse for analytical workloads Background in SEO tools, rank tracking, or search ecosystems Experience with AI agent frameworks or building autonomous LLM-powered systems History of side projects, open-source contributions, or founding your own product What's in it for You Ultimate flexibility:We're 100% remote. You can work from wherever you like, whenever you like.Freedom and autonomy:We're a high-trust team, and you'll be given lots of flexibility to solve problems in your own way — with plenty of help from the team when you need it.Minimum bureaucracy:We don't like to get bogged down with meetings and red tape. We like to be efficient and keep momentum steady & sustainable.Small & friendly team:We help each other out, have fun, and joke around.Our network:We are a community of entrepreneurial SaaS professionals that regularly exchange ideas, knowledge, learning and expertise with each other internally.Flexible time off:We want you to recharge your batteries when needed. Ultimate flexibility:We're 100% remote. You can work from wherever you like, whenever you like. Freedom and autonomy:We're a high-trust team, and you'll be given lots of flexibility to solve problems in your own way — with plenty of help from the team when you need it. Minimum bureaucracy:We don't like to get bogged down with meetings and red tape. We like to be efficient and keep momentum steady & sustainable. Small & friendly team:We help each other out, have fun, and joke around. Our network:We are a community of entrepreneurial SaaS professionals that regularly exchange ideas, knowledge, learning and expertise with each other internally. Flexible time off:We want you to recharge your batteries when needed. What issaas.group? Think of us as the driving catalyst behind your favorite software success stories.saas.group, established in 2017, is on a mission to turbocharge promising B2B SaaS ventures, unlocking their full potential. As a Software-as-a-Service portfolio powerhouse, we specialize in acquiring small software treasures and polishing them into industry stars. With a dynamic, fully remote team of nearly 350 colleagues spanning 44 countries we are truly global and we are rewriting the playbook on SaaS innovation and collaboration. We grow20 exciting brandsunder our umbrella. Feel free to explore ourCandidate's Hubto get an insider's view, dive into our culture, gain valuable insights into our teams and how we work. We don't just simply offer you to "take a job with us" but rather to "join us on this journey"to build the world's largest platform of independent SaaS companies. Sounds like something you're up for? Feel free to apply even if you don't check all these boxes. We believe in the power of diversity and fresh perspectives to spice up our team. Your application might just be the missing ingredient! saas.group is committed to creating a diverse and inclusive workplace. We are proud to be an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, gender, gender identity or expression, sexual orientation, national origin, genetics, disability, age, or veteran status. We celebrate diversity and are committed to creating an inclusive environment for all employees. If you're passionate about working with a team that values innovation, excellence, and fairness, we encourage you to apply.

Skills

PHPKafkaAINode.jsPostgreSQLAPIReactTypeScriptLaravelRabbitmqRedisOpenAIMariadbVueVue.jsLLMMariaDB