Developer jobs in United Kingdom

At Quizlet, our mission is to help every learner achieve their outcomes in the most effective and delightful way. We’re a $1B+ learning platform used by two-thirds of U.S. high school students and half of college students, powering over 1 billion learning interactions each week.

We blend cognitive science with machine learning to personalize and enhance the learning experience for students, professionals, and lifelong learners alike. We’re energized by the potential to power more learners through multiple approaches and various tools.

Join us to design and deliver AI-powered learning tools that scale across the world and unlock human potential.

Quizlet's Product Engineering organization builds the core experiences that help millions of students and teachers achieve their learning goals. We collaborate across teams to achieve user‑centric outcomes, focusing on developing intuitive interfaces, engaging learning tools, and robust, scalable systems.

You’ll be joining a passionate group of engineers, designers, product managers, and data scientists dedicated to solving real-world educational challenges. Our teams operate with autonomy, embrace experimentation, and are deeply committed to user‑centric design. We value transparency, inclusivity, and collaboration at all levels.

We’re looking for a Senior Software Engineer to design, build, and deliver impactful, user‑focused features that are core to Quizlet’s success. You’ll work closely with other engineers, product managers, designers, and data scientists to turn ideas into scalable, high‑quality solutions that serve millions of learners globally.

As a senior individual contributor, you’ll take ownership of complex projects from concept through deployment, applying sound technical judgment and balancing trade‑offs between user experience, performance, and maintainability. You’ll play a key role in shaping architecture, driving best practices, and mentoring teammates through code reviews, design discussions, and technical guidance.

This role may span consumer web experiences, mobile platforms, or shared systems – flexibility, curiosity, and strong problem‑solving skills are key.

• Languages: Go, PHP, TypeScript
• Frameworks: React, Next.js, UIKit, SwiftUI, Jetpack Compose
• Data: MySQL, PostgreSQL, Spanner, BigQuery
• Infra: GCP, Datadog, Growthbook, Rollbar, Pub/Sub, Redis/Valkey, Docker, Kubernetes

We’re happy to share that this is an onsite position in our London office. To foster collaboration, we require that employees be in the office a minimum of three days per week: Monday, Wednesday, and Thursday.

• Deliver end‑to‑end projects that directly contribute to Quizlet’s product and business priorities
• Collaborate with cross‑functional partners in Product, Design, and Data Science
• Build and maintain high‑quality, scalable systems that reflect a strong understanding of your team’s domain and impact on learners and advertisers
• Apply industry best practices and modern technologies to improve code quality, system reliability, and developer efficiency
• Lead and contribute to technical discussions, offering thoughtful insights and helping to align the team on the best path forward
• Break down complex projects into actionable, well‑scoped tasks and execute efficiently with minimal oversight
• Proactively identify and resolve issues before they affect timelines, quality, or user experience
• Mentor junior engineers through code reviews, pairing sessions, and sharing domain knowledge
• Continuously seek opportunities to improve engineering practices from build systems to deployment pipelines to observability tools

• 5+ years of experience in software engineering, ideally in fast‑paced, product‑focused environments
• Proven ability to deliver complex projects end‑to‑end – from design and implementation through testing and deployment
• Solid foundation in backend, mobile development or full‑stack, with a focus on building scalable, high‑quality systems and user experiences
• Experience working with cloud infrastructure, distributed systems, and modern CI/CD practices
• Familiarity with microservices, event‑driven systems, and data storage technologies
• Strong problem‑solving skills and the ability to make thoughtful, data‑informed technical decisions
• Curiosity to explore and apply emerging technologies and frameworks
• Excellent collaboration and communication skills, and ability to work effectively in cross‑functional teams
• Experience mentoring or guiding peers and contributing to a culture of learning

• Experience building and scaling education‑focused or consumer‑facing apps or subscription platforms, or working in an ads publisher stack
• Worked in environments with high data or performance requirements
• Contributed to mobile‑first product initiatives or multi‑platform development
• Hands‑on involvement in incident response or operational engineering practices

• Quizlet is an equal opportunity employer. We celebrate diversity and are committed to creating an inclusive environment for all employees. Salary transparency helps to mitigate unfair hiring practices when it comes to discrimination and pay gaps. Total compensation for this role is market competitive depending on location and experience, as well as company stock options.
• Collaborate with your manager and team to create a healthy work‑life balance.
• We offer 25 days of annual leave (and we expect you to take them!).
• Competitive health, dental, and vision insurance (100% employee and 75% dependent).
• Pension with employer contribution provided through Aviva.
• Professional Development stipend to teach yourself something new.
• Paid Family, Medical and Caregiver leave, and wellness benefits.
• Employees are eligible to participate in the Quizlet stock option program.
• 40 hours of paid time off to participate in volunteer programs of choice.

• Massive reach: 60M+ users, 1B+ interactions per week.
• Cutting‑edge tech: Generative AI, adaptive learning, cognitive science.
• Strong momentum: Top‑tier investors, sustainable business, real traction.
• Mission‑first: Work that makes a difference in people’s lives.
• Inclusive culture: Committed to equity, diversity, and belonging.

We work to create a holistic interview process, where both Quizlet and candidates have an opportunity to view what it would be like to work together, exploring a mutually beneficial partnership.

In Closing: At Quizlet, we’re excited about passionate people joining our team—even if you don’t check every box on the requirements list. We value unique perspectives and believe everyone has something meaningful to contribute. Our culture is all about taking initiative, learning through challenges, and striving for high‑quality work while staying curious and open to new ideas. We believe in honest, respectful communication, thoughtful collaboration, and creating a supportive space where everyone can grow and succeed together.

Quizlet’s success as an online learning community depends on a strong commitment to diversity, equity, and inclusion.