Our vision We’re all about literacy that works for kids, parents, and educators. Our hilariously-illustrated, curriculum-aligned books and games are proven to make learning to read, and reading to learn, fun and effective. The role We are seeking a skilled and motivated Senior Backend Engineer to join the Readiculous product team, working alongside our Copenhagen-based development team led by the team's Tech Lead, which this role will report to, delivering both the Readiculous experience for D2C and For Schools. This role is ideal for an engineer who thrives in a fast-paced, collaborative environment and is eager to contribute to a mission-driven product at the intersection of education and play. The role is on-site in Copenhagen with flexible work from home policy. You will be hands-on further developing and maintaining Readiculous for D2C as well as evolving the product for schools use, contributing to building a modern, scalable experience across target group needs. You’ll help shape robust backend solutions in alignment with the broader Readiculous and platform strategy. You’ll also work closely with the Product Manager, UI/UX, design teams, and coordinate shared projects with our platform team. About us Mrs Wordsmith’s vision is of a world in which kids laugh out loud as they learn. Our mission is to transform the way kids learn through the combination of humour, illustration, animation and gaming. We are the world’s silliest learning company. The company started out life with a critical insight: that kids learn more, learn faster, and have more fun learning if the materials themselves are playful. This insight was initially manifested through a series of critically acclaimed print products, that quickly became Amazon bestsellers in their category and through their own ecommerce site The company has moved on to develop mobile games and has big goals for its central word IP, called the WordEngine. Staffed by a creative mix of artists, writers, curriculum specialists, data scientists and game developers, and with locations in London and Copenhagen, the company is poised for the next level - with your help. Responsibilities Engineering & Delivery Take ownership of the backend codebase, ensuring high code quality, thorough test coverage and clear documentation to keep systems reliable and maintainable over time. Translate product requirements, wireframes, and user stories into performant, maintainable code. Collaborate closely with the Tech Lead and the rest of the Readiculous development team as well as the platform team to implement architectural decisions that support scalability and code quality. Deliver high-quality features on schedule, with attention to performance, accessibility, and cross-device compatibility. Collaboration & Communication Work closely with the Tech Lead and rest of development team, Product Manager, and UI/UX team to ensure alignment between design vision and technical implementation. Collaborate with our remote platform team for shared development tasks, code reviews and planning. Support clear documentation and team communication to ensure smooth handoffs across locations and teams. Quality & Best Practices Contribute to code reviews and continuous integration processes to maintain a high standard of quality. Advocate for clean code, refactoring opportunities, and engineering excellence. Help define and uphold coding standards and development conventions for the team. Growth & Mentorship Stay up to date with evolving relevant development technologies and their applications and share insights and best practices with the team. Mentor junior developers and contribute to a culture of curiosity and learning. About you 5 years of backend development experience. Experience working in cross-functional product teams alongside product managers, designers, and other developers. Knowledge of AWS serverless architectures (Lambda, API Gateway) with strong skills in DynamoDB and MySQL for scalable data modeling and query optimization. Hands-on experience with AWS CDK for Infrastructure-as-Code, building secure, modular, and compliant cloud environments. Advanced proficiency in TypeScript and frameworks like TSOA, delivering robust RESTful APIs with OpenAPI/Swagger documentation. Practical knowledge of S3 and CloudFront for storage, content delivery, and performance optimization in distributed systems. Ability to work independently while staying aligned with broader architectural and product goals. Comfortable navigating complexity and ambiguity during early discovery and prototyping phases. Prior experience with educational platforms, games, or mission-driven digital products is a plus. Based in or near Copenhagen. Our culture Mrs Wordsmith takes culture seriously. We believe in fun - it is core to everything we do. We believe it leads to the best educational outcomes for our favourite customers - kids! We value effective teamwork, collaboration, and autonomy - fundamentally we know the best people to make the decisions are those closest to the problem and we encourage this across the company. We value creativity, endless curiosity and encourage our teams to respectfully challenge the work and each other for a better output. Above all we value diversity - in whatever form that may manifest - our creative output is stronger for it. Benefits 25 days annual leave 5 Feriefridage Days A paid day off for your birthday Company closure between Christmas and New year Company pension contribution Flexible work from home policy