Web Engineer – Focus: React (m/f/d)

Raisin

Raisin is the world’s leading platform for savings and investment products. Founded in 2012, the FinTech connects consumers with banks in the EU, the UK and the US. This gives consumers better interest rates and banks a diversified form of refinancing. Our vision is to offer savings and investments without barriers and thus open up the global 160 trillion euro market. Raisin currently employs more than 800 people from over 75 countries worldwide. Today, the platform holds over 80 billion euros in assets from more than one million investors which have accrued over 5 billion euros in returns. Team We are a cross-functional engineering team composed of frontend and backend engineers, responsible for the full end-to-end development lifecycle supporting our US business. From discovery and design to delivery, operations, and continuous improvement, we own our solutions throughout their entire lifecycle. We build and operate a mission-critical, 24/7 fintech platform that serves customers in a highly regulated and reliability-sensitive environment. Our systems demand high availability, scalability, resilience, and a strong focus on customer experience. Your Responsibilities * You write clean code and always follow the agreed best practices in the team. * You do good code reviews, helping the team to keep best practices, business rules and with respectful and constructive communication. * You write automation tests ensuring the quality of your software deliveries. * You support a "green" development and staging environment, helping to identify and fix issues with the test pipelines. * You are taking active participation in the team ceremonies. * You are capable of following the incident management process during regular working hours and also during your on-call shifts. * You actively participate in TechDemo and other knowledge-sharing initiatives. * You are using AI tools (e.g., code completion, test generation, documentation assistance) to increase your development velocity and reduce boilerplate work. * You are evaluating AI-generated output critically, verifying its correctness, safety, and maintainability before integrating it into production code. Your Profile Motivated and detail-oriented Computer Science student with hands-on experience in frontend development. Experience in building responsive and user-friendly web applications. Passionate about writing clean, maintainable code and continuously improving technical and problem-solving skills. Technical skills: * REST APIs * One of JS framework - React.js/Next.js/Vue.js * HTML5, css3, JS, TypeScript * Responsive design * One of - Git / Github / Gitlab * Basic knowledge of TypeScript * Basic testing (Jest / React Testing Library) Soft Skills * Problem-solving * Attention to detail * Team collaboration * Fast learner * Time management Join our mission, join our team – and grow with us! At Raisin, we care about each other and it is one of our top priorities to foster an open and caring environment in which everyone feels welcome and comfortable. Our culture is strongly driven by our ambitious team, which connects more than 75 different nationalities. As part of our team, you will benefit from: * Employee Development Budget of €400 and one full training day per year. * Flexible working hours, home office and 20 vacation days per year. * Do you miss being in the office? The Deutschland Ticket gets you there, which we subsidize with €25 per month. * Enjoy more than 50+ different sports with Urban Sports Club: We subsidize your membership with more than €20 per month. * Hungry all the time? Snacks, daily fresh fruit as well as drinks provided at the office. Raisin Applicant Privacy Policy We value diversity and the unique experiences each individual brings. If you’re excited about this role but don’t meet every requirement, we still encourage you to apply. We are an equal opportunity employer and are committed to creating an inclusive environment for everyone, regardless of race, colour, ancestry, religion, sex, national origin, sexual orientation, age, citizenship, marital status, disability, or gender identity.

Deezer

LIVE THE MUSIC WITH US From a pioneer tech start-up created in 2007, Deezer has become one of the first French unicorns and the second largest independent music streaming platform in the world. At eighteen years old, we’re only just coming of age. Now listed on #EuroNext, Deezer is a rapidly-growing, cutting-edge player in the music streaming market. If you want an environment where you can make your voice heard and be at the forefront of music and tech, look no further! We believe music is all about embracing the things that make us different. Deezer is a vibrant community that celebrates uniqueness, diversity and individuality, and thrives on collaboration. Our international and passionate teams pride themselves on being at the forefront of the music experience, going beyond streaming and helping the world to Live the Music. We’re constantly evolving alongside our customers, partners, artists and employees — striving to make Deezer the most personal and innovative streaming service in the world. Ready for an electrifying journey? Apply now and do your part in bringing extraordinary music experiences to people’s lives! **Join Us** JOB DESCRIPTION => Position based in Paris, non negotiable, with an hybrid remote policy (10 days per month) Join the Messaging & Ads team, where we build and maintain the services powering Deezer’s ad delivery and CRM communications. From in-app messages and push notifications to emails, we ensure the right message reaches the right user at the right time. We work closely with the Ads Operations and CRM teams to support Deezer’s global engagement and monetization strategy. This team is part of the Customer & Monetization startup, a product and engineering unit focused on maximizing user conversion, retention, and monetization across the full user journey: from first app open, to account creation, subscription, and renewal. Our goal is to deliver fast, smooth, secure, and delightful experiences at every step. As a Front End Technical Expert, you’ll contribute both directly to our Messaging & Ads team and more broadly across the startup as a technical leader. What you will do: Technical Leadership * Coach and mentor team members to grow their technical skills * Drive architectural improvements and set coding standards * Lead technical discussions and advocate best practices * Define and implement cross-stack solutions along with your team’s members to solve customer’s problems and reach company’s objectives * Work closely with CRM & Ad operations teams to understand their needs and the tools they use Engineering Expertise * Build and maintain scalable web applications using TypeScript and React * Optimize data interaction with GraphQL and contribute to our design system * Manage deployments and monitor metrics using Kubernetes (K8s) and Jenkins * Conduct code reviews to ensure performance, security, and maintainability Community & Collaboration * Foster a collaborative and inclusive team environment * Define best practices and stack’s strategy in collaboration with the internal group of experts * Share best practices and knowledge across teams and represent the group in internal communities QUALIFICATIONS Must-Haves * Proficiency in TypeScript, React, and design systems. * Experience with Git, Kubernetes (K8s), and Jenkins. * Strong problem-solving and performance optimization skills. * Communication in French and in English, both written and spoken. Nice-to-Haves * Familiarity with testing frameworks like Jest or Cypress. * Knowledge of microservices and containerization. * Knowledge of PHP * Knowledge of SEO * Knowledge of GraphQL At Deezer, diversity drives innovation. Whatever makes you uniquely you, your experiences, your way of thinking, your journey, might be exactly what we need. If this role speaks to you and aligns with your interests and capabilities, even if you don’t meet 100% of the qualifications listed, please give it a try and tell us more! #BeYou ADDITIONAL INFORMATION At Deezer, you can be your true self as we believe that #everyvoicematters. We strive to build an inclusive culture and foster a diverse environment. Because we care and want to ensure each employee feels welcome and safe at work, we continuously focus on fighting biases and helping diverse teams work well together through multiple learning opportunities, e-learnings and workshops right from the onboarding : * Regular Diversity & Inclusion internal and external talks * Dedicated employee work streams on Gender equity, Ethnicity & Culture, Disability and LGBTQ+ * Multiple e-learnings and mandatory training sessions for all managers * English and French courses for all, so that everyone can connect and feel included Beyond benefits like transportation, we offer you extra perks like: * A Deezer premium family account for free * Access to gym classes * Join over 70 Deezer Communities to connect beyond your day-to-day work, share passions, learn from each other and #Belong * Deezer parties several times a year and drinks every thursday * Allowance for sports, travelling and culture * Meal vouchers * Mental health and well-being support from Moka.Care * Great offices always located in dynamic and attractive districts, whether in Paris, London or Sao Paulo! * Hybrid remote work policy If you want to learn more about life and culture at Deezer, please visit our Welcome to the Jungle page here!

ZEAL Network

ZEAL Network SE is a dynamic, international group of companies that has been creating exciting and innovative lottery experiences for over 20 years. As Germany’s largest provider of online lotteries through our brands LOTTO24 and Tipp24, and a trusted partner of Spain’s ONCE, the second-largest national lottery, we’re shaping the future of the lottery industry. We are passionate about driving innovation, as demonstrated by our newest brands, Freiheit+ and Traumhausverlosung, which bring fresh and exciting dreams to life. Additionally, through ZEAL Ventures, we invest in inspiring e-commerce start-ups like Omaze and DAYMADE, fueling fresh ideas and opportunities. We are looking for a (Senior) Full Stack Next.js Developer (f/m/d) to join our team and contribute to building scalable workflows, integrating backend services and defining reusable frontend patterns for a platform used by internal colleagues across multiple markets and business domains. With direct access to users, you will help shape practical solutions together with Product and UX. YOUR TASKS: * Shape and build a modern Next.js application from scratch, creating the technical foundation for a scalable internal platform * Take ownership of frontend topics and drive technical decisions * Work closely with product, design and backend teams in a lean, agile environment * Integrate and evolve RESTful APIs in collaboration with backend engineers * Ensure high-quality implementation of UI/UX designs with a strong focus on performance and scalability * Write and maintain tests to ensure reliability, security and performance * Contribute to deployment, monitoring and overall application stability together with DevOps * Identify and drive improvements in performance, user experience and conversion * Measure, analyze and iterate on product features based on data WHAT YOU OFFER US: * Strong experience as a Senior Full Stack or Frontend Engineer with a focus on modern web technologies * Deep expertise in JavaScript, React and Next.js (App Router, Server Components, Server Functions) * Proficiency in TypeScript, HTML5 and CSS3 * Hands-on experience with tools such as Tailwind CSS, React Hook Form, TanStack Query, Zod, Shadcn/UI or similar (Tailwind CSS is a must have, everything else nice to have) * Ability to write clean, maintainable and performant code and design scalable architectures * Solid experience integrating and working with REST APIs * Experience with testing strategies for frontend applications (nice to have) * Interest in using modern development tools, including AI-assisted workflows, to improve productivity and quality (nice to have) WHAT WE OFFER * State-of-the-art technologies and an agile environment (Check our Tech Radar: https://lotto24.github.io/tech-radar/) * A modern, dynamic culture grounded in the success of a leading-edge e-commerce company. * A talented team of ambitious, like-minded colleagues where your knowledge and ideas truly make an impact. * Ongoing personal growth, supported by an annual development budget of €1,500 to invest in your professional development. * Trust and autonomy, no micromanagement, just confidence in your ability to deliver and excel. * Flexible work options with a hybrid setup focused on results. * Unlimited vacation days in addition to your yearly 30-day vacation allowance. * Opportunity for workations abroad using our WorkFlex tool. * Monthly mobility allowance of €30 to use on the mobility option of your choice (e.g., the Deutschlandticket), plus access to a company bike leasing program. * Company pension scheme, provided in partnership with Degura, to support your future financial security. * Subsidized EGYM WELLPASS membership, with a contribution of only €25 per month, giving you access to a wide range of gyms and sports options across Germany. * Monthly company events, team activities, and informal gatherings, including our popular company-wide lunches provided four days a week. Not ticking every box or think you’ve got that unique set of skills we haven’t realized we need? Get in touch anyway, we’re always looking to add great people!