Location: Remote (UK Based)Reports to: Engineering ManagerType: Full-timeJoin Oak Engage – Where Communication Meets ConnectionAt Oak Engage, we’re on an exciting growth journey—backed by a major investment from NorthEdge to scale our impact and redefine the future of employee engagement. Trusted by some of the UK’s biggest brands, including Aldi, Five Guys, and ITV, we help organisations connect, engage, and empower their people through smarter, more personalised internal communication. With our next stage of expansion underway, we’re building a team of bold, ambitious thinkers ready to make their mark at a high-growth, purpose-driven SaaS company. If you’re looking to shape the future of work and grow alongside a company that’s going places, now’s the time to join Oak.About the RoleWe’re looking for a Senior Mobile Developer with deep React Native expertise to lead development of Oak’s cross-platform mobile app. You’ll take ownership of the mobile experience—shaping its architecture, performance, and future roadmap—while ensuring our users can stay connected wherever they work.This is a hands-on, high-impact role suited to someone who combines deep technical ability with a product-driven mindset.What You’ll DoLead mobile development using React Native for both iOS and AndroidOwn mobile architecture decisions and performance optimisationWork closely with product, design, and backend teams to deliver seamless mobile featuresIntegrate APIs and manage mobile app lifecycle including App Store/Play Store submissionsStay on top of mobile trends, frameworks, and tooling to keep Oak at the cutting edgeMentor other developers and ensure best practices in mobile developmentWhat We’re Looking For5+ years in mobile development with 3+ years in React NativeStrong JavaScript/TypeScript skills and deep familiarity with mobile SDKs and APIsExperience delivering production-grade apps with scale, security, and analytics in mindExperience with native modules, push notifications, and offline functionalityOwnership mindset and passion for building great mobile user experiencesWhy Join Oak?A meaningful role in a mission-led SaaS company with strong growth and product-market fitThe chance to work with household brands and solve real-world enterprise challengesFlexible hybrid or remote working optionsPrivate health insurance, life insurance, and Employee Assistance Programme (EAP)Gym contribution and travel allowanceEnhanced maternity, paternity, and discretionary leaveGenerous holiday policy (25 days + Bank Holidays + additional discretionary days)Regular team socials and a positive, collaborative cultureOur Recruitment ProcessHiring Manager InterviewDeep dive into architecture, problem-solving, and team contributionsAssess communication and curiosityTechnical Task or Live PairingRealistic, time-bound task or live coding sessionUse structured rubric for fairness (avoid freeform “whiteboarding”)"Focus on team collaboration, code quality, and feedback"Peer Technical Panel/Culture Fit / CTO Chat - In person at our NCL HQIncludes cross-functional devs, product manager or designerAssess long-term growth potential and alignment with tech principlesOpportunity for candidate to ask strategic questionsEquality & Diversity at OakAt Oak, we’re committed to building a diverse and inclusive workplace where everyone feels welcome, supported, and able to thrive.We believe that different perspectives make us stronger, and we actively encourage applications from people of all backgrounds, experiences, and identities — including, but not limited to, race, ethnicity, gender, age, disability, sexual orientation, and socio-economic status.We are an equal opportunities employer. All hiring decisions are based on business needs, role requirements, and individual qualifications — without bias or discrimination.If you require any adjustments to the interview process or the role itself to support accessibility, please let us know — we’re happy to help. #J-18808-Ljbffr