Android Developer

Barclays; Greater London; Hybrid; GBP 60,000 - 80,000; Full time

Job summary

A leading British bank is seeking an Android Developer to enhance their applications' security. The ideal candidate will have strong skills in Kotlin and Java, with a background in secure mobile solutions. In this role, you will lead the implementation of robust security frameworks and ensure secure authentication across platforms. This position offers various financial and personal benefits and is based in London, UK, with hybrid working options.

Benefits

Pension plan

Holiday pay

Employee Assistance Programme

Discounts at high street shops and restaurants

Qualifications

• Proven experience in implementing secure authentication flows.
• Solid background in cryptographic protocols.
• Hands-on experience in the banking or regulated sectors.

Responsibilities

• Lead the implementation of Ping/ForgeRock SDKs for Android.
• Work on the client-side implementation of Crypto Protocols.
• Utilize OkHTTP for secure data transit.

Skills

Deep proficiency in Kotlin

Deep proficiency in Java

Strong understanding of Android SDK

Expertise in Android Keystore

Experience with Ping and ForgeRock

Background in secure mobile solutions

Tools

OkHTTP

Biometric API

Enterprise authentication SDKs

Job description

Role: Android Developer

Location: London, UK

Role Overview

We are looking for an Android Security Specialist to join the XDP business unit at Barclays. This role is dedicated to enhancing the security posture of our Android applications through the implementation of robust identity and access management (CIAM) frameworks. You will be responsible for the technical execution of cryptographic protocols and the integration of enterprise authentication SDKs, ensuring that our mobile platforms remain at the forefront of digital security.

Day-to-Day Responsibilities

• Identity Integration: Lead the implementation of Ping/ForgeRock SDKs for Android, ensuring consistent and secure authentication flows across the platform.
• Protocol Implementation: Work on the client-side implementation of Crypto Protocols as defined by the CISO, ensuring high-performance execution.
• Networking & Security: Utilize OkHTTP and other standard libraries to ensure secure data transit and certificate pinning.
• Secure Storage: Manage the lifecycle of security keys using the Android Keystore and biometric authentication (Fingerprint/Face).
• Demonstration & Testing: Build functional prototypes for the “ACME Bank” environment to test and showcase CIAM capabilities.

Technical Requirements

• Core Android: Deep proficiency in Kotlin and Java, with a strong understanding of the Android SDK.
• Hardware Security: Expertise in the Android Keystore, Biometric API, and secure key generation.
• Authentication SDKs: Practical experience with Ping, ForgeRock, or similar IAM platforms (Okta, Auth0, etc.).
• Experience: Background in building secure mobile solutions for banks or regulated enterprise-level organizations.

About Barclays

Barclays is a British universal bank, diversified by business, by customer type, and by geography. Its businesses include consumer banking and payments operations worldwide, as well as a top-tier global corporate and investment bank, all supported by its service company which provides technology, operations, and functional services across the Group.

Our Values

Everything Barclays does is shaped by five values: Respect, Integrity, Service, Excellence, and Stewardship. These values underpin how Barclays builds trust with clients, delivers results, and measures success – not just by what is achieved, but by how it is achieved.

Diversity

Barclays is committed to building an inclusive culture where colleagues of all backgrounds feel confident bringing their whole selves to work. Diversity of thought, talent, and experience drives the bank’s ability to deliver excellence.

Hybrid Working

This role is based in London, UK

Your Benefits

As a contract employee of Randstad Sourceright, you’ll receive a wide range of financial and personal benefits. There’s enrolment in a pension plan (after 12 weeks on assignment) and holiday pay. You’ll also get 24/7 access to an Employee Assistance Programme, designed to help you deal with any problems that could be affecting your home or work life. Plus, there’s discounts at heaps of high street shops, restaurants and entertainment - from Asda to Zizzi Italian restaurants.