Senior Full-Stack Software Engineer
3 days ago
Chazo
####### ONLY FOR RESIDENTS IN SPAIN ####### We are looking for a passionate Senior Full-Stack Developer to join our Engineering team. The ideal candidate is a solution-builder with a proven track record of delivering end-to-end SaaS platforms. You will work in a highly innovative environment where we heavily leverage AI tools (like Cursor IDE) to boost productivity. You will work closely with our Product and Design teams to develop complete Full-Stack features—from robust backend logic to polished user interfaces. Crucially, you will also help lead the evolution of our engineering processes, ensuring we scale efficiently using the best tools available. Although we offer flexible hours and remote work, this position is primarily based in Spain. Our offices are located in central Madrid (Sol/Sevilla), and we value face-to-face collaboration, so you will be expected to attend in-person meetings at least once every two months. Key Responsibilities • End-to-End SaaS Development: Lead the development of complex features across the entire stack. You will design the database models, build the APIs, and implement the Pixel Perfect frontend., • Frontend Excellence: Collaborate with the Product and Design teams to implement high-fidelity UIs. We value developers who care about the final user experience as much as the code structure., • Data Integration: Work closely with the Data team (Python stack) to integrate proprietary APIs and huge volumes of external data into the user-facing platform., • Architecture & AWS: Design cloud-native solutions on AWS, ensuring the long-term sustainability and security of the infrastructure., • Infrastructure Evolution: Help drive the standardization and optimization of our CI/CD pipelines. You will contribute to moving our infrastructure toward more scalable, cloud-native best practices., • AI-Assisted Workflow: Leverage AI tools (like Cursor IDE) to accelerate development, write tests, and improve code quality., • Technical Leadership: Mentor mid-level and junior developers, guiding them in best practices, clean code, and architectural decisions., • Culture Builder: Foster a collaborative and positive environment. You are not just a technical leader but a cultural multiplier who helps the team stay motivated and aligned. The Skillset • Experience: 5+ years of experience in Full-Stack development, preferably working on SaaS products delivering end-to-end features., • Core Stack: Expert knowledge of JavaScript, Node.js, and React (NextJS in the Frontend). If you think that TypeScript is the way to go and are able to push to future standards, great :)., • Backend & Data: Proven experience with Express, GraphQL, Apollo Server, NestJS, and MongoDB. If you know how to make relational and non-relational logic coexist, and have a strong SQL background (PostgreSQL, DynamoDB), even better., • Cloud & Infra: Strong experience with AWS (we are heavily based on it), Vercel, and GitHub Actions. If Docker is a must for you and you embrace leading a container-mindset, we like it., • DevOps Mindset: Experience with CI/CD optimization. You have an eye for improving build/deploy pipelines and understand the value of standardization in growing teams., • Testing: Solid background with testing frameworks such as Jest, Playwright (we don't use Puppeteer), Mocha, or Chai., • Design Sensibility: A strong eye for detail in the Frontend. You strive for Pixel Perfect results and understand that UI/UX is critical for product success., • Polyglot Mindset (Plus): While the role is Node.js focused, experience with Python is a strong plus, as it helps in collaborating with our Data team and their APIs. Soft-skills • Culture & People First: You understand that great software is built by great teams. You care about your colleagues' well-being and actively contribute to a safe, high-trust, and inclusive work environment., • Product-Oriented: You care about who uses the software. You want to build products that are not just functional, but delightful to use., • Leadership & Mentoring: You enjoy sharing knowledge and helping the team grow., • Change Management: You proactively look for ways to improve how things are done. You see the evolution of processes as a necessary step for scaling, not a hurdle., • Communication: Strong collaboration skills to bridge the gap between Backend, Frontend, Design, and Data teams., • Adaptability to Innovation: You embrace new tools (like AI IDEs) and are comfortable handling the "messy" parts of migration and standardization. What will you do? You will drive the development of complex end-to-end features for our SaaS platform. As a Senior profile, you will bridge the gap between data and user experience. You won't just build the API; you will ensure the data flows seamlessly from our backend services to a pixel-perfect frontend that our customers love to use. You will also play a strategic role in our infrastructure evolution. We are currently refining our CI/CD pipelines to align with industry-standard, scalable architectures. You will help lead this transition, streamlining our workflows to ensure seamless deployments as we continue to grow. In 1 month On your first day, we’ll welcome you at our Madrid office. You’ll dive into our infrastructure map (heavily based on AWS), repositories, and our modern tech stack. You will get familiar with our AI-assisted development workflow (Cursor IDE) and the design standards we uphold. In 3 months You’ll be working with greater autonomy, spearheading the development of new features across the stack. You will collaborate with the Data team (Python stack) to consume our proprietary APIs and external data services, integrating them into the core product. In 6 months At cruising speed, you will be a technical reference. You will help drive the standardization of our deployment pipelines, proposing architectural improvements to our AWS infrastructure to make the team more efficient and ensuring our platform scales to meet global demand. Why Influencity? At Influencity, you’ll be part of a fast-growing company where learning and professional development are part of our culture. • Work in a rapidly expanding company with exciting challenges., • Flexible hours & remote work in a results-oriented environment., • Extra time off: December 24th & 31st, plus your birthday!, • Choose your laptop: MacBook or Windows (Lenovo, HP, Dell)., • High-trust work culture with autonomy and ownership in your role., • Career development opportunities: Performance reviews twice a year., • Young, dynamic team with a "let’s make it happen" mentality., • Competitive salary based on skills and experience., • Employee benefits package (transport, training, meals, gym membership discounts, childcare and more)., • Medical & dental insurance., • Language classes in working hours. About Us Founded in 2014, Influencity (Influencity.com) is the most complete AI-powered influencer marketing platform in the market. With over 70M influencers in our database, we provide brands and agencies with a full stack of solutions to manage campaigns at scale. Our mission is to become the global leader in influencer marketing. To achieve this, we need an exceptional team that thrives on growth, collaboration, and innovation. At Influencity, we believe in supporting each other, overcoming challenges together, and continuously improving—both individually and as a team. If this sounds like you, THIS IS YOUR TEAM! We’re excited to meet you! 🚀 How to Apply? Send us your Resume/CV to and respond to these 2 questions in your email: 1️⃣ Why do you want to work at Influencity? 2️⃣ Why do you think that we should hire you? Note: Applications that don’t follow this process will be automatically rejected. 🚀 We look forward to meeting you! 🚀
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