We are looking for a Frontend Software Engineer to join us, either remotely or at our Berlin office. We are growing and need support in our team’s mission to engage our users and make more people climate-active! As an engineer at Ecosia, you will work with a recently formed cross-functional team to support our marketing efforts by improving communication channels with our users, from acquisition to retention. We want candidates with a JavaScript background who can manage their own tasks and work closely with our marketing team. Day-to-day, you will dive deep into our frontend (including backend-of-the-frontend) tech stack, improving the capabilities of our user engagement platform (Braze), creating landing pages, building emails, improving conversion tracking, and more. Do you want to become part of a great team, shape a product used by millions of users daily, and help regenerate our ecosystem? Join us! Your chance to contribute meaningfully Build, test, and deploy different products and integrations inside Ecosia products (client and server-side). Contribute to a range of marketing needs, including CRM and analytics tooling integration, email, notifications, and other communication touch points with our users. Collaborate with engineers from different teams, sharing what you know and learning from their experience. Your areas of knowledge and proficiency You have experience building and deploying production code in JavaScript. You have experience in different testing methodologies. You are motivated to dive deep technically, learn and apply best practices, and grow professionally. You like to work collaboratively with Product, Design, Marketing, and other engineers. You can communicate clearly in written and spoken English. Optional Advantages: Experience with: Marketing conversion tracking technologies, e.g., Google Tag Manager. Marketing content tools, e.g., Braze, HubSpot. Typescript and static site generators, in Vue.js or equivalent (e.g., React). Process: Call with our Talent Partner (⏱️ 20-30') Meeting the Hiring Manager and Product Lead (⏱️ 45-60') Pair programming with a couple of engineers (⏱️ <75') Technology stack (marketing) Frontend: Vue.js, JavaScript, TypeScript Backend: Node.js SDKs: Braze, HubSpot We don’t expect you to have experience with all of the above, but if you’re curious to learn and pair across these technologies, this could be a good match! Technology stack (other) Backend: Cloudflare Workers, Go or Python services using REST and gRPC Infrastructure: Cloudflare, AWS, Kubernetes (EKS), and Terraform Tooling: Sentry, Loki, Prometheus, and Grafana for observability, Snowplow, GitHub, and CircleCI for our CI/CD Why Ecosia? What if your job made a real difference in the climate crisis? Join Ecosia and help plant millions of trees where people and ecosystems need them most. We are a diverse team, committed to equality, equity, and inclusion, with members from various backgrounds: sexual orientations, genders, ages, races, ethnicities, nationalities, physical and mental disabilities, family structures, and religions. We offer you the opportunity to balance work with other parts of your life: flexible working hours, 30 vacation days per year (based on a five-day workweek), designated Focus Times, and remote work options. (Note: Not applicable to freelance contracts; different labor laws may apply in other countries.) Our green benefits program - including subsidized public transport cards and bike inspection services - supports your sustainable living choices in Berlin. (Availability may vary by location; not applicable to freelance contracts.) We support your professional growth through learning times, hack days, online and physical libraries, and continuous feedback. (Not applicable to freelance contracts.) Q&A How many people work at Ecosia? About 100! Our departments include Engineering, Product, Marketing, Trees, People, and Operations. Our eng & product teams work in a cross-functional set-up, forming 7 teams. Where is Ecosia based, and what kind of work setup do we have? We are a remote-friendly company with one office in Berlin-Wedding. People come to the office or work from home per their wishes and/or circumstances. Some roles require presence in the office at least from time to time. Company language: English.