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Senior Mobile Security Developer

WaracleLondon, England, United KingdomFull-timeSalary not listed · Typical pay in United KingdomPosted Nov 6, 2026

Waracle has an opening for a Senior Mobile Security Developer in London, England, United Kingdom. The listing describes it as a full-time, senior position with hybrid working.

Written by Dev Global Jobs

DGJ summary of this job

Our own short read of this listing, built only from the facts it gives. The employer’s original text follows further down.

Waracle has an opening for a Senior Mobile Security Developer in London, England, United Kingdom. The listing describes it as a full-time, senior position with hybrid working.

The advert mentions Python, Java, JavaScript, Kotlin, Swift, penetration testing, iOS and Android among the skills and tools for this role.

The employer does not state a salary in this listing; DGJ Insight below shows an official pay benchmark for the place where one exists.

Benefits mentioned in the advert: pension or retirement plan, paid time off and parental leave.

Visa sponsorship is not mentioned. Applicants from outside United Kingdom should check the official work permit route before applying.

Dev Global Jobs found this job on Arbeitnow on Nov 6, 2026.

Employer
Waracle
Location
London, England, United Kingdom
Work mode
hybrid
Job type
Full-time
Level (from the title)
senior
Pay
Not stated by the employer
Found
Nov 6, 2026 on Arbeitnow
Employer text
903 words, about 4 min to read
Skills named in the advert
PythonJavaJavaScriptKotlinSwiftpenetration testingiOSAndroid
Before you apply
  • Apply only on the official page (arbeitnow.co.uk). Dev Global Jobs is not the employer and never asks for a fee.
  • Mirror the skills the advert names (Python, Java, JavaScript and Kotlin) in your CV where you really have them; applicant tracking systems look for these words.
  • Read the employer’s full text below (about 4 min) before you apply.
  • Build or check your CV with the free DGJ CV Builder.
Only on Dev Global Jobs

DGJ Insight

Our own data about this role and place, from official statistics and our live job index.

Updated Nov 6, 2026
Pay benchmark
Average wage, United Kingdom
GBP 46,511 average / year

Source: OECD Average annual wages, 2025

Cost of living · United Kingdom
100.5 vs New York = 100

UN living-cost index for United Kingdom (ICSC post adjustment 76.4), as of 1 Oct 2026.

Source: ICSC post adjustment classifications (icsc.un.org)

Work permit route
  • Skilled Worker visa: Job offer from a licensed sponsor at the required skill and salary level; English requirement
  • Health and Care Worker visa: Eligible health and social care roles with a licensed sponsor
  • Global Talent visa: Endorsement as a leader or potential leader in a listed field

Official routes: UK Visas and Immigration (GOV.UK)

Job description

About the role

Full text from the employer, as published on Arbeitnow, arranged into sections. Nothing added or removed.

Waracle are looking for a Senior Mobile Security Developer for an exciting new role joining our world-class digital technology consultancy, home to a diverse, smart, curious and ambitious community of specialists in technology-driven transformation.

We work with ambitious clients to help them solve their biggest business and customer challenges. We help our clients to innovate and create intelligent digital products and services. We thrive on complex challenges and deliver business-critical IT transformation projects, moving seamlessly from strategy, design and delivery to operations.

This is a Hybrid role, offering the flexibility to balance your professional and personal life, with 2 days a week spent connecting with colleagues in our London or Edinburgh office or on client site.

01The Role

As a Senior Mobile Security Developer, you will define squad-level technical architecture and technical approach. You are a technical expert who ensures quality, security, and compliance across projects, driving robust and scalable solutions.

This role will be pivotal in building, delivering, and driving the security of our mobile platform, while being an integral part of our full-stack mobile practice, contributing to end-to-end development and security excellence across both front-end and back-end mobile systems.

02Key aspects of the role include

  • Design and Delivery of a World-Class Security Framework: Lead the design and delivery of security services, including mobile penetration testing, research, consultancy, and advisory engagements.

  • Technical Strategy & Architecture: Define secure technical approaches, identify risks, and develop effective threat models and mitigation strategies.

  • Strategic Planning: Translate business objectives into technical strategy and ensure technical roadmaps align with long-term client goals.

  • Agile Practices: Expertise in Agile methodologies, with a focus on resolving impediments and driving adoption across teams.

  • Client Engagement: Communicate effectively with clients, manage expectations, and provide practical, risk-based security recommendations.

  • Continuous Improvement & Collaboration: Drive innovation, adopt emerging security practices, share knowledge, and support team success.

03What you'll bring

We are seeking a highly technical expert with a strong focus on mobile platform security. You should bring:

  • Mobile Security Expertise: Strong hands-on knowledge of Android and iOS security fundamentals, common mobile threats and vulnerabilities, security architecture, controls, and mitigation techniques.

  • Mobile Security Testing: Practical experience in mobile penetration testing, security assessments, threat modelling, and implementing or assessing security controls.

  • Security Problem Solving: A systematic and analytical approach to identifying, investigating, and resolving mobile security issues.

  • Authentication & Cryptography: Strong understanding of authentication, authorisation, cryptography, encryption, and secure design principles, with the ability to recommend appropriate cryptographic controls.

  • Continuous Improvement: A proactive approach to improving security practices, tooling, controls, and ways of working.

04Desirable knowledge & experience

  • Mobile Security Tooling & Analysis: Experience with reverse engineering, analysis techniques, and tools such as Burp Suite Pro, Frida, Objection, JADX, IDA Pro, Hopper, Radare, ADB, Apktool, YARA, Xcode, and Android Studio.

  • Mobile Development & DevSecOps: Knowledge of Android/iOS development, secure development practices, DevSecOps tooling, testing, and automation frameworks.

  • Development & Reverse Engineering: Familiarity with C, Java, Kotlin, Objective-C, Swift, JavaScript, Python or Bash, and ideally ARM/ARM64 assembly.

  • Security Research: Awareness of emerging security technologies, Cloud security, and developments in mobile operating systems, APIs, tools, and security libraries.

05What to expect from our hiring process

  • 1. First Hello: An informal chat with your dedicated Talent Attraction Partner to talk about Waracle, what you want out of your next move, salary, benefits, and office hybrid working model.

  • 2. Craft Showcase: A chance to demonstrate your real-world expertise. Depending on the role, this will be a focused take-home task (capped at 2-3 hours to respect your time) or a practical presentation.

  • 3. Talking Impact: A collaborative deep dive into how you solve problems, work with others, and raise the bar, guided by our core values and competency framework.

Your Talent Attraction Partner will be in your corner through every step right up to your Welcome Ritual on day one

06Our Benefits

We believe in supporting our team, inside and outside of work. Here's a glimpse of what you can expect:

  • Rest & Recharge: You'll receive 27 days of annual leave, plus 8 bank holidays, totaling 35 days of holiday to unwind and pursue your passions.

  • Financial Future & Security: Plan for retirement with our company-matched 5% pension contribution. For added peace of mind, we also offer a Death in Service benefit, providing 2 x your annual salary for your loved ones.

  • Health & Wellness: Our Medicash Health Cash Plans help cover everyday healthcare costs, complemented by an Employee Assistance Programme for confidential support, and Group Sickness Cover for peace of mind.

  • Flexible Working: We champion hybrid working, providing a home office setup budget to ensure you're comfortable and productive wherever you are.

  • Learning & Development: Invest in yourself with access to Udemy Business and a dedicated learning and development budget for continuous growth.

  • Lifestyle Perks: Make the most of our Cycle to Work Scheme, and enjoy exclusive gym and retail discounts.

  • Family First: Our enhanced parental leave policies include support for fertility journeys, recognising diverse family needs.

  • Community & Connection: We foster a vibrant culture with regular fun meet-ups and lunch on us in the office once a month. You'll also have the opportunity to make a local impact through Spirit of Waracle, our initiative for getting involved in charitable causes locally, building strong team bonds and giving back.

We are an equal opportunities employer and welcome applications from all suitably qualified persons regardless of their race, gender, disability, religion/belief, sexual orientation or age.

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