Senior Mobile Architect with SDK, Security Platform

Project overview

The project focuses on modernizing a cross platform mobile SDK used for digital fraud prevention and customer authentication in financial services. The goal is to design a scalable and secure architecture that simplifies partner integration, improves performance, and supports long term product growth.

Team

You will work in a cross functional distributed team that includes mobile engineers, architects, product owners, and security specialists. The team collaborates closely across platforms and regions, contributing to architecture decisions, roadmap planning, and design validation activities.

Position overview

We are looking for a Senior Mobile Architect who will define and drive the target architecture and modernization strategy for mobile SDKs across iOS and Android platforms. You will establish engineering standards, design public APIs, guide migration strategy, and collaborate with product and engineering teams to ensure consistent and high quality delivery.

Technology stack

Kotlin, Java, Swift, Objective C, Gradle, Maven, AAR, XCFramework, Swift Package Manager, CocoaPods, ProGuard, R8, CI CD pipelines, telemetry tools, Keychain, Android Keystore, Secure Enclave

Responsibilities

• Define and evolve the target architecture for mobile SDKs across iOS and Android

• Design and maintain clear and stable public API contracts with versioning strategy

• Develop modernization roadmap and support incremental migration of existing SDKs

• Collaborate with engineering and product teams to align architecture with business goals

• Establish standards for SDK distribution, integration, and lifecycle management

• Ensure compatibility across platforms, OS versions, and partner environments

• Drive improvements in SDK stability, performance, and developer experience

• Optimize SDK footprint including binary size, startup impact, and resource usage

• Define and enforce security and data protection practices within the SDK

• Contribute to proof of concept implementations to validate architectural decisions

• Guide observability practices including logging, telemetry, and error tracking

• Support CI CD and release processes for consistent and reliable SDK delivery

Requirements

• 10+ years of experience in software engineering including mobile architecture

• Hands on experience designing and delivering mobile SDKs used by external applications

• Experience leading modernization initiatives and migrating live SDKs without breaking integrations

• Strong understanding of API design including versioning and backward compatibility

• Experience with cross platform SDK packaging and distribution for Android and iOS

• Knowledge of modular architecture and dependency management strategies

• Experience optimizing SDK performance including binary size, startup time, and resource usage

• Understanding of mobile security practices including secure storage and certificate pinning

• Familiarity with privacy and compliance requirements in mobile applications

• Experience with observability tools and release engineering practices

• Strong communication skills and experience collaborating with multiple stakeholders

Nice to have

• Experience in financial services, fraud prevention, or enterprise security solutions

• Familiarity with anti tampering techniques and runtime protection approaches

• Experience with remote configuration and feature flag systems

• Knowledge of platform specific background execution and system constraints

• Exposure to sensor based or behavioral data processing in mobile applications

What We Offer:

• Vacation days: Up to 26 business days per year.

• 10 illness/special days off per year (fully paid, no medical papers needed) for all contract types

• Health and life insurance (Luxmed)

• MyBenefit platform with Multisport option

• Internal psychological support service

• English language classes from the first working day

• Access to external learning platforms: O’Reilly, LinkedIn Learning, Udemy, and a wide catalog of diverse internal training

• Flexible workplace: work from the office, from home, or choose a hybrid option

• Tech Skills Mentoring Program

• Opportunities to develop as a public speaker, mentor, or technical interviewer

• Fully paid idle (bench) when not involved in a project

• Certification reimbursement (AWS, GCP, Microsoft, etc.)