Average App Developer salary in London

Join Superdrug Head Office-Make a Real Difference Every Day! Location: East CroydonHours: 37.5Salary: Competitive Why Superdrug? Passionate about Beauty and Health? Want to be part of an innovative, trend setting retailer? Our vibrant Head Office, based by East Croydon station is a fantastic environment filled with hundreds of brilliant personalities.Were a team that puts our customers and our teams at the heart of everything we do. At Superdrug, we aim to be the best in accessible health & beauty, loved by our customers for value, choice, friendly advice, service and fun.Our success comes from our people they make the difference. Were all about personality, we have fun, and we work hard to deliver That Superdrug feeling. Here's the exciting bit…a day includes This is an exciting opportunity to join an established and growing high street retailer.We are looking for a .Net Developer to join our expanding development team. The team is working in an AGILE manner using Kanban methodology. Key Responsibilities: Design, develop, and maintain high-quality software solutions.Collaborate with product managers, designers, and other stakeholders to define project requirements and deliverables.Ensure the scalability, performance, and security of software applications.Conduct code reviews and provide constructive feedback to team members.Stay up to date with emerging technologies and industry trends.Troubleshoot and resolve technical issues as they arise.Contribute to the continuous improvement of development processes and best practices.Technical Responsibilities:Design software solutions, ensuring alignment with business goals and technical requirements.Conduct code reviews and provide constructive feedback to team members.Develop and maintain technical documentation, including system architecture diagrams and API specifications.Troubleshoot and resolve complex technical issues, ensuring minimal disruption to development processes.Optimize application performance and scalability through effective coding practices and system design.Implement and manage CI/CD pipelines to streamline the development and deployment process.Ensure the security and integrity of software applications through adherence to cybersecurity best practices.Qualifications:Bachelors or Masters degree in Computer Science, Engineering, or a related field.2 years+ experience as a .Net Developer or similar role.Strong proficiency in the .Net Stack.Experience developing mobile applications in Xamarin / .Net MAUI / Flutter.Experience with software development methodologies such as Agile or Scrum.Excellent problem-solving skills and attention to detail.Strong communication and interpersonal skills.Ability to work effectively in a fast-paced, collaborative environment.Experience with cloud computing platforms, ideally Azure.Here's what's in it for you: 33 days holiday rising to 38 days with length of service (inclusive of bank holidays)2 staff discount codes for yourself and a family member or friend30% discount on Superdrug Own Brand Products both in store and onlineHybrid working patterns available depending on role responsibilities with 2 days working from home and 3 days in our stylish, modern and collaborative office close to East Croydon StationCompany pension matching and bonusWe offer Wagestream - a money management app that gives you access to a percentage of your pay as you earn itBeing part of more! We are part of a group who work closely with Savers, The Perfume Shop and Three UKWe are part of A.S. Watson Group, the world's largest international health and beauty retailer with over 15,700 stores in 25 markets!Unrivalled Learning and Development programmesEnhanced maternity/shared parental/adoption leave, company sick pay and pregnancy loss and support Come and be part of something special. Hours: 37.5 | 9.00am - 5.30pm - Hybrid working available depending on role responsibilities with 2 days working from home and 3 days in our stylish, modern and collaborative office close to East Croydon Station. For information on how we manage and store your data please go to https://privacy-policy/

Our ClientOur global iGaming client has a multi-million-pound search budget focused on the UK, Spain, Canada, and LATAM with plans to enter many new markets.They cultivate a fast-paced, collaborative environment where innovation drives everything they do. Their teams are passionate about delivering top-tier gaming experiences, leveraging data-driven insights, and staying ahead in an ever-evolving industry.The Role of Mobile Apps Marketing Manager Our client is looking for a results-driven professional with a proven track record of leading mobile marketing performance campaigns at a high level. In this role, you will work closely with internal marketing teams across Spain, Brazil, Mexico, and other key markets to plan and deliver high-impact mobile campaigns that drive measurable results.You will be responsible for managing both direct platform activity and external partnerships to ensure best-in-class app marketing campaigns that meet growth, CPA, and LTV targets in highly competitive markets.In addition to being an expert in paid app marketing channels across Spain and LATAM (and ideally other regions), you will bring fresh ideas for in-app engagement and activation to enhance performance. You will also contribute to other mobile-focused areas of the business, including App Store Optimization (ASO), mobile attribution, and fraud prevention.This role reports to the Head of Mobile and involves close collaboration with Digital Performance Managers and Country Marketing Managers to drive innovation and sustained growth across all mobile marketing initiatives.Key Responsibilities of the Mobile Apps Marketing Manager Set up, plan, optimize and report back on performance across mobile campaigns, including but not limited to: App-to-app Display (via Ad Networks), Mobile DSPs, Apple Search Ads, UAC, FB App Campaigns.Working with the Digital Marketing Manager and the Country Managers globally to plan, deliver and execute successful monthly, quarterly and annual marketing plans for mobile marketing channelsClosely monitor and deliver mobile performance within the defined KPIs (growth volume, conversion rates, CPA & LTV)Report on mobile marketing channel performance on a daily/weekly/monthly basis to all relevant stakeholdersCommunicate with, challenge, and influence senior stakeholdersDelivering complex mobile marketing strategies for growth, identification of in-app fraud and mitigation of, as well as assisting on other projects such as ASO, creative optimization, and conversion rate optimization. and also explaining them to nurture junior members of staff and non-digital stakeholdersIdentify and provide evidence on assisted conversions to all relevant stakeholdersCollaborate with the Digital Marketing Manager to develop, deliver and execute monthly, quarterly and annual marketing plans for mobile marketing campaignsIdentify and test new channels outside of our existing marketing mix in order to add scale to the performance plansAssist on the in-housing of additional markets in 2025-2026 for the relevant channels as per the approved internal in housing migration planIdentify opportunities for increased automation and efficiency through advanced technical solutionsWork closely with internal BI team and in house Marketing Analyst to identify cost saving opportunities and further enhance campaign performanceDevelop robust tracking and measurement systems to ensure we understand the performance of our campaigns accurately, working with BI/MA and other stakeholders as required.Collaborating with the Interim Head of Mobile to build robust test and learn creative strategies.Key Skills and Qualifications of the Mobile Apps Marketing Manager Minimum 4 years’ experience in Mobile Marketing within the UK; experience in other markets is highly beneficialPrevious experience in the iGaming industry (advantageous but not mandatory)Experience working in a digital performance agency is a plusProven ability to build and execute creative strategies that drive measurable resultsHands-on experience across major performance marketing platforms, with a core focus on Mobile Ad Networks, Mobile DSPs, Apple Search Ads, Google Ads, and Facebook AdsExpert understanding of digital tracking, measurement, and reporting tools used in mobile marketing operations, specifically:AppsFlyer (experience with other MMPs such as Adjust or Singular is beneficial)Mobile Fraud Prevention tools such as TrafficGuard and P360Analytics platforms such as Firebase and GA4Experience in digital marketing planning and forecastingExcellent written and verbal communication skills, with the ability to engage stakeholders across a matrix environmentStrong teamworking and relationship-building skills, with experience collaborating across multiple countriesExceptional organisational and multitasking abilities, capable of managing multiple projects simultaneouslyDeep understanding of online marketing concepts, strategies, and best practicesUp to date with the latest search and platform innovations, ideally maintaining contacts within the mobile marketing industryExperience working with multinational organisations, with an understanding of cultural and regulatory differencesHighly data-focused, with the ability to gather insights, identify actionable trends, and present findings clearly and effectivelyTech-savvy, with a strong awareness of market tools and experience in evaluating, purchasing, and implementing new technologiesStrong analytical acumen, with the ability to uncover insights and craft compelling narratives by integrating data from multiple sourcesBenefits24 days of annual leave, with additional days awarded after 3 years of service.Hybrid work model – 3 days in the office, 2 days working from home.Competitive salary plus an annual bonus (eligible after completing probation).Private healthcare and life insurance provided upon successful completion of probation.Participation in the company pension scheme.

Our ClientOur client is a global igaming organisation which cultivates a fast-paced, collaborative environment where innovation drives everything they do. Their teams are passionate about delivering top-tier gaming experiences, leveraging data-driven insights, and staying ahead in an ever-evolving industry. As they grow, they’re looking for talented professionals to join them - driving performance, creativity, and excellence across all areas of the business.The Role of Mobile App Marketing Data AnalystThey are seeking a Mobile App Marketing Data Analyst to join their Marketing Data & Analytics team. In this role, you will support the Senior Marketing Analyst and the Head of Mobile on the delivery of Mobile campaign insight and marketing recommendations to the global marketing teams to drive marketing campaign optimisation, improve marketing efficiencies and highlight crucial trends.This role has a strong focus on In-App Marketing data analytics. This requires you to be an adept communicator with the ability to prioritise multiple projects and managing stakeholder expectations, and significant subject-specific knowledge of App Marketing. We are looking for a proactive individual with strong technical skills in data analysis, experience of multi-channel marketing mix and a passion for staying abreast of industry trends.Key Responsibilities of the Mobile App Marketing Data Analyst:Identify trends, insights, and opportunities for optimising Mobile and In App marketing strategies at a campaign level across mainly digital performance channels for all GEOs.Support the Mobile Marketing Team to use existing Mobile and In App campaign data to identify and build sophisticated profitable optimisations to enable better future targeting, and lead the data elements of annual budgeting and forecastingCreate, manage, and maintain marketing performance dashboards (using SQL in conjunction with tools like Tableau, Power BI, or Google Data Studio) to visualise marketing KPIs and other metrics to present campaign PCASs and for easy BAU reporting access by stakeholdersSupport the Senior Marketing Analyst on requests from channel and country marketing teams, senior management, and other stakeholders and analyse digital/product and offline marketing campaign datasets and present the subsequent marketing results/insights and campaign optimisation recommendations back to the stakeholders, explaining complex data and insights in a clear and actionable format. Work with senior stakeholders to identify and develop business and marketing metrics and data/performance visualisations that will better track marketing and business performanceIdentify trends, insights, and opportunities for optimising marketing strategies at a campaign level across mainly digital performance channels for all GEOsUsing a combination of tools (customer database, MMPs i.e Appsflyer, Google Analytics, other marketing platforms, etc.) to analyse customer journeys – both through the marketing acquisition and retention funnel, allowing for better customer segmentation/personalisation, enhanced profitability and future targeting of lookalikes at scale ideallyManaging relationships with multiple internal stakeholders based all over the worldClean, transform, and prepare data for analysis to support the aboveIdentify opportunities for process improvement or increased automation and efficiency through advanced technical solutionsProvide training and support to the marketing analysts in the team and country and channel managers on BI/marketing analysis (MA) tools and reportsStay updated with industry trends and advancements in BI/MA technologies and methodologies to continuously improve BI/MA processesKey Skills and Qualifications of the Mobile App Marketing Data Analyst4+ years in a data-driven mobile/in-app marketing role (e.g. marketing analyst/insight analyst/data analyst) within a digital marketing environment (i.e. working for a digital performance or full-service media agency) or client side, ideally from an e-commerce, high-volume volume digital/online first transactional businessA demonstrable track record of managing complex data sets across multiple online and offline marketing channels and proven experience of analysing and reporting results and insights on digital, specifically in Mobile/In App marketing, but ideally also on other common digital performance channels (i.e. Paid Search, paid social, programmatic, affiliates, CRM)Solid understanding of marketing analysis and reporting principles, especially digital marketing channels and metrics (acquisition and retention and LTV)Strong understanding of marketing principles/channels and KPIs - both offline and online,Understanding of digital attribution modelling. i.e. Developing/building and working with Multi Channel Digital Attribution ModelsHands-on experience creating dashboards using Tableau, Appsflyer, Power BI, Google Data Studio, or similar toolsStrong ability to interpret data, perform statistical analysis, and develop actionable insightsAttention to detail, critical thinking, and a proactive approach to identifying and solving data-related challenges.Excellent written and verbal communication skills, capable of explaining technical findings to non-technical stakeholders.Ability to work independently and collaboratively in a fast-paced environment and ideally in different markets in EUROPE/NA @ CAD and LATAM. You will need to build and manage relationships with members of teams globallyExperience in the iGaming industry is beneficial but not mandatoryExperience of Python, R or other programming languages for analysis is usefulBenefits 24 days of annual leave, with additional days awarded after 3 years of serviceHybrid work model – 3 days in the office, 2 days working from homeCompetitive salary plus an annual bonus (eligible after completing probation)Private healthcare and life insurance provided upon successful completion of probationParticipation in the company pension scheme