Sr. Software Engineer, Mobile
On site
London, United Kingdom
Full Time
16-03-2025
Job Specifications
About Quizlet
Inspired by our belief that anyone can learn anything and powered by our own curiosity, we build the smartest tools we can imagine to help students learn.
Quizlet is the popular, global learning platform and app that millions of students, teachers and everyday people use to study any subject imaginable for school, work or as part of their personal interests. Our learners include about two-thirds of high school students and half of all college students in the US, and we’re very excited to continue to expand globally. Combining cognitive science and machine learning, Quizlet guides students through adaptive study activities to confidently reach their learning goals.
Valued at $1 billion, Quizlet has raised over $60 million in venture capital from investors including Icon Ventures, Union Square Ventures, General Atlantic, Costanoa Ventures, Owl Ventures, and Altos Ventures.
To serve our global community of learners, our teams tackle lofty technical challenges and design for use cases across cultures and languages. We work hard, act like owners, and collaborate every chance we get. We’re energised by the potential to power more learners through multiple approaches and various tools.
About The Team
The Mobile Growth and Monetization team is a new team based in London responsible for powering Quizlet’s mobile growth. This is a broad charter and covers everything from our global expansion to notifications and from account management to ads and subscription management. The team works closely with the rest of our mobile organization, backend services teams, and cross platform product and marketing teams to enable more people in more places to study on the Quizlet app.
About The Role
We’re looking for a Senior Engineer for our Mobile Growth and Monetization team. You will work with a team of engineers working on our iOS and Android apps focused on subscriptions, advertising, international growth, account management and other features where we need to uplevel our applications to grow with new cohorts in new markets. You will work closely with and influence your peers in the mobile engineering and product management organizations to quickly and iteratively test new ideas and deliver the ones that work at scale. You’ll always be thinking about the user’s experience and advocating for mobile users, with the rest of the company focusing on growth initiatives.
We’re happy to share that this is an onsite position. To help foster team collaboration, we require that employees be in the office at a minimum of three days a week: Monday, Wednesday, and Thursday and as needed by your manager or the company. We believe that this working environment facilitates increased work efficiency, team partnership, and supports growth as an employee and organization.
In This Role, You Will
Design, build, and maintain high-quality software supporting growth and monetization
Collaborate closely with product and other cross-functional partners to define requirements and deliver solutions
Understand and operate in our existing systems and proactively suggest improvements and new ideas based on industry best practices
Drive incident investigations, post mortems, and retrospectives and effectively advocate for long-term improvements to systems and processes
Influence within your team for the right engineering improvements to increase the quality of our software, testing, and processes
What You Bring To The Table
Multiple years of experience in mobile software development
Strong problem-solving and debugging skills on mobile software products
Proficiency in either iOS or Android development and some level of comfort with the other
Eagerness to learn, grow, and take on new challenges
Excellent verbal and written communication skills across a range of audiences
Bonus Points If You Have
Experience with native Android, native iOS, and cross-platform mobile development approaches. Including evaluating tradeoffs
Track record of influencing adjacent engineering teams with best practices or mobile client needs
Experience with subscription management and/or advertising on both Android and iOS
Benefits & Perks
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 (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 annual paid time off to participate in volunteer programs of choice
We strive to make everyone feel comfortable and welcome!
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, in exploring a mutually beneficial partnership.
We provide a transparent setting that gives a comprehensive view of who we are!
In Closing
We hope you are excited about everything you read so far. We highly encourage you to apply for this position, even if you feel you do not meet all the requirements. Quizlet is always looking for amazing folks that believe in our mission and can contribute to our team in various ways - not merely candidates that fit a certain mould.
We have a bias for action, take initiative, and hustle to deliver results. We make informed decisions whenever possible but are unafraid to take calculated risks on great ideas to promote learning. We embrace challenges and see effort as the path to mastery. We’re constantly seeking opportunities to learn and we embrace curiosity. Quality matters at Quizlet, and we hold the bar high on everything we do.
We treat each other with honesty and respect, encourage vigorous debate, and seek critical feedback. We value diversity, humility, transparency, and collaboration as the best paths to our success — as individuals, as a team, and as a company.
Quizlet’s success as an online learning community depends on a strong commitment to diversity, equity, and inclusion. We are actively working to build a team that is representative of the diverse communities we serve, and an open, inclusive work environment where all employees can thrive. As an equal opportunity employer and a tech company committed to societal change, we welcome applicants from all backgrounds. Women, people of colour, members of the LGBTQ+ community, individuals with disabilities, and veterans are strongly encouraged to apply....
About the Company
Quizlet is a leading consumer learning brand that builds learning tools to inspire and empower students and teachers. Our team is already supporting a user base of over 60 million active users a month. We're also among the top 20 U.S. websites and top education apps for iOS and Android - and it's only the beginning. We’re a fast-growing Series C startup, valued at $1 Billion and backed by Union Square Ventures, Costanoa Venture Capital, Icon Ventures, Owl Ventures, Altos Ventures and General Atlantic. With our massive reach... Know more
Related Jobs
- Company Name
- Vouchsafe
- Job Title
- Senior Software Engineer
- Job Description
- Salary: £60-80k Hours: Full time Location: Hybrid, at least 2 days per week in our Deptford office Contract: Permanent Vouchsafe is looking for an experienced software engineer to take our platform’s machine learning features to the next level. RESPONSIBILITIES You’ll be responsible for: building and testing new features, independently if needed working with our CTO and other engineers to prioritise and define work helping other engineers by reviewing code and pairing building React components, business logic and API endpoints training and deploying AI models to classify and extract insights from different kinds of data investigating and fixing bugs WHO WE'RE LOOKING FOR This role would suit an experienced full-stack engineer with solid grounding in a range of technologies gained over a good number of years. You will definitely need to know: JavaScript and TypeScript React SQL AWS Along with experience in at least one of: Training and deploying machine learning models, using tools like AWS Rekognition, Textract, Comprehend, SageMaker, the OpenAI platform or similar Deploying and running modern web apps on AWS in a secure way, using tools like Lambda, RDS and S3, ideally using infrastructure-as-code (IaaC) It will also help you stand out if you have: Relevant domain expertise. That could be in fintech, banking, fraud prevention, identity verification or KYC Experience working for a startup or other early-stage company Helped grow a codebase from an initial proof-of-concept to a mature product This is a big ask, so we encourage you apply even if you don’t think you tick all the boxes. WHAT WORKING FOR VOUCHSAFE IS LIKE Vouchsafe is a platform that helps firms safely onboard more users without relying on photo ID. Users can provide alternative evidence, including a vouch from a trusted referee, meeting the same security standards firms are used to. Making services work for the one billion people worldwide without photo ID isn’t just a moral duty. It’s also good business, because our platform can prevent fraud, improve usability and unlock millions more good customers. Founded in 2022 by Chloe and Jaye, our team of six is backed by Europe’s leading tech-for-good VC, has been recognised by the Financial Conduct Authority, and has high-profile customers like the Scottish Government. We offer: 28 days of annual leave plus bank holidays hybrid working, with flexible hours if you need equity options Nest pension a sociable office with an on-site cafe, snacks and monthly paid team lunches a company MacBook one-off £250 technology budget for sound-cancelling headphones or any other home office equipment you might want to help you work Cycle to Work scheme HOW TO APPLY Applications close at Monday 31 March at midday, but we will interview on a rolling basis, so please apply early. The interview process will be: 30m video call to find out more about your experience Short take-home technical task 50m technical interview and presentation with the founders, which can be in person Offer We look forward to hearing from you!
- Company Name
- Braintrust
- Job Title
- Full Stack Web Developer
- Job Description
- Job Description Full Stack Web Developer What you'll be working on Developing and maintaining full-stack web applications using PHP, HTML, CSS, JavaScript Integrating front-end frameworks like React.js or Angular into projects Designing and building APIs to connect front-end and back-end Working with databases like SQL and NoSQL Responsibilities Collaborate with front-end and back-end teams to design, develop, test, and deploy features Perform debugging, testing, and optimizing applications for maximum performance Continually learn new technologies and development techniques Provide technical support to other developers and stakeholders Requirements 5+ years of experience as a full stack web developer Proficiency in PHP, HTML, CSS, JavaScript and at least one back-end framework like Django or Ruby on Rails Strong database skills and experience with SQL and NoSQL databases Excellent problem-solving, communication and collaboration skills Bachelor's degree in Computer Science or related field
- Company Name
- idpp
- Job Title
- Lead Full Stack Engineer
- Job Description
- Have you been a founding/lead Full Stack Engineer in an exciting start-up / scale up? Does working for a heavily backed, forward thinking AI company in London excite you? Are you looking to help scale and deliver new features that delight users? If so, read on… Salary: £100,000 - £120,000, based on experience *Please note - this is an on-site role, requiring five days per week in our London office without sponsorship available so only apply if this is suitable for you. The client Leveraging next-generation artificial intelligence, they deliver transformative insights and seamless user experiences, setting a new benchmark for the industry. As they experience rapid growth, this client is looking for a Senior Fullstack Engineer to help scale and deliver new features that delight users. The Team You'll Be Joining The team is comprised of experienced leaders and engineers from top-tier companies and research institutions, bringing deep expertise in AI, machine learning, and software development. Backed by leading venture capital firms, we are a revenue-generating start-up with strong financial backing and years of runway. Joining this team means tackling exciting technical challenges at the intersection of user experience, machine learning, and infrastructure, all within a fast-paced, collaborative environment that values learning and excellence. Your Role As a Senior Fullstack Engineer, you’ll play a pivotal role in building and optimizing systems to meet growing user demand. Your responsibilities will include: Designing and implementing backend APIs while collaborating with the edge-computing team. Creating user-facing front-end interfaces in partnership with the product team. Ensuring the system is scalable, reliable, and has robust observability. Delivering high-quality features with thorough testing and debugging. What We’re Looking For We’re seeking a highly motivated engineer with: 3+ years of industry experience, building scalable systems. Strong knowledge of backend technologies, particularly Python or Go. Experience working with databases such as Postgres and Redis. Proficiency in front-end technologies, including Typescript, react-query, React, and modern build tools. Bonus Skills (helpful but not essential): Familiarity with infrastructure-as-code solutions (e.g., Pulumi on AWS). Experience with mobile development (e.g., React Native). Exposure to platform engineering, C++, or video streaming technologies. What We Offer Competitive salary: £100,000 - £120,000, based on experience. Equity in a fast-growing, innovative company. 100% employer-paid private dental and vision insurance. Join in redefining what’s possible with AI-powered systems. Apply today!
- Company Name
- SThree
- Job Title
- IT Systems Administrator (3rd Line Support)
- Job Description
- SThree are pleased to announce we’re recruiting for a talented IT Systems Administrator to join our dynamic team on a permanent basis. The role of the IT Systems Administrator is to actively deliver the support and management of critical business systems and applications serving the SThree global userbase, throughout their lifecycle from implementation to decommission, ensuring users are educated and trained to fully utilise the systems. This includes being an owner for several critical applications/systems, understanding how each has been designed, implemented and configured ranging from the technical layer through to how it supports the business process. Actively managing the appropriate support teams ensuring SLAs are met, customer experiences are acceptable and be an escalation point for the business and the support teams. About us SThree is the global STEM-specialist talent partner that connects sought-after specialists in life sciences, technology, engineering and mathematics with innovative organisations across the world. We are the number one destination for talent in the best STEM markets: Recruiting highly skilled professionals and discovering life-changing jobs for the unsung heroes who will positively shape our future. Elevating expertise and energising progress for everyone. What are the day-to-day tasks? Reviews releases, upgrades, security patches and fixes available from system software suppliers and identifies those which merit action. Maintains awareness of existing and emerging software and hardware solutions and develops upgrade plans. Initiates, designs and produces new course materials within own area of technical specialisation(s) in response to changing demands, responding to feedback by revising, editing, altering or modifying the training materials. Delivers learning activities to colleagues with a wide variety of competence and experience, covering relevant knowledge, techniques and skills using a wide variety of methods, tools, online environments, equipment and materials. Where appropriate develops a ‘super-user’ community and imparts the necessary skills and knowledge for this group to become the first line for user queries. Tailors and configures system software to ensure that the functionality is exploited in line with business needs. Prepares software implementation procedures with fall back contingency plans. Installs and tests new versions of system software. Investigates potential and actual service problems and recommends solutions. Research business processes and recommends upgrades or improvements. Follows formal procedures to plan and test proposed solutions. Collects performance data to monitor system efficiency against published service level agreements. Monitors both resource usage and failure rates of installed systems and provides feedback to management. In the event of system software failure, collects critical information, adhering to agreed procedures. Analyses all documentation, storage dumps and logs relating to system software failures to identify the failing component. Isolates failures and recommends actions to circumvent problems and enable the restoration of services. Liaises with suppliers to obtain corrective code, installing and testing the code to ensure a permanent resolution Gathers performance data and statistics from the IT platforms to enable valid and reliable conclusions to be drawn about resource usage and failure rates. Makes recommendations for the tuning of system software. Tailors and configures system software parameters to maximize throughput and efficiency. Audits service delivery functions to ensure understanding and adherence to documented policy and procedures relating to system software. What else are we looking for? Knowledge & Experience: Has a thorough understanding of the system development and the service management lifecycles, system interfaces and awareness of further configurations, with a good understanding of the organisation's business processes, their importance and their dependence on information systems. Proven administration experience in one or more of the following: Microsoft Azure, Intune, ServiceNow Administration, Dynamics 365 CRM. Experience in Monitoring, Troubleshooting and reporting of enterprise applications. Creation and operation of procedures (manual and/or scripted) to support wider Service Delivery Function Principles and practice of project management including project planning, monitoring and control, change control and configuration management, effort estimation, quality and risk management and communication between project stakeholders. Techniques used to plan and execute tests of all software components to verify that the software satisfies specified requirements of the resulting service and to detect errors. Experience of frameworks and standards for information security management, such as the international standard ISO/IEC 27001 for Information Security. Methods and techniques for creating, delivering and maintaining effective and accessible learning. I.e. virtual learning and blended learning environment. Qualifications: Typically educated to bachelor degree level and holds a relevant professional qualification. Alternatively holds a relevant IT apprenticeship qualification at Level 4 and RITTech, with additional qualification such as: Certified ITIL Foundation Azure Administrator Associate Certified Service Now Administrator Benefits for our U.K. teams include: The choice to work flexibly from home and the office, in line with our hybrid working principles Bonus linked to company and personal performance Generous 28 days holiday allowance, plus public holidays Annual leave purchase scheme Five days paid Caregiver/Dependant leave per annum Five paid days off per year for volunteering ` Private healthcare, discounted dental insurance and health care cashback scheme Opportunity to participate in the company share scheme Access to a range of retail discounts and saving What we stand for... We’re committed to ensuring for our colleagues, candidates and communities, that all processes are equitable, and everyone is treated with fairness and dignity where everyone belongs, is valued and is connected. If you need any assistance or reasonable adjustments in submitting your application, please let us know, and we’ll be happy to help. ***Please note this role is permanently based in our Glasgow Office. This role requires to cover US working hours one week a month to support the US function. Please note this role is hybrid, with 3 expected office days per week, and the remaining days WFH***