Cross Platform Mobile Engineer
Confidential
Posted: January 30, 2026
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Quick Summary
A Cross Platform Mobile Engineer is required to design, develop, and deploy cross-platform mobile applications for various clients. The ideal candidate should have experience in developing mobile apps for iOS and Android, with a strong understanding of cross-platform technologies such as React Native and Flutter. The successful candidate should be able to work independently and collaboratively in a fast-paced environment.
Required Skills
Job Description
Job Title: Cross‑Platform Mobile Engineer
Department: Tech
Location: Cyprus / Serbia / Armenia / India
Employment Type: Full-time
About SiGMA Group
Founded in 2014 and headquartered in Malta, SiGMA Group now employs over 250 professionals across six global offices, including Malta, Cyprus, Serbia, São Paulo, Manila, and India. SiGMA is a global leader in gaming, emerging tech, affiliate marketing, events, and media, best known for its marquee summits like SiGMA Malta and iGaming Academy. The company’s culture champions inclusivity, sustainability, collaboration, and philanthropic impact under its SiGMA Foundation initiative
About the role
The Cross‑Platform Mobile Engineer is responsible for designing, developing, and maintaining high‑quality mobile applications that support Sigma Group’s global event portfolio, including major iGaming events. This role focuses on delivering seamless, performant, and engaging mobile experiences across iOS and Android using modern cross‑platform frameworks.
The ideal candidate combines strong mobile engineering expertise with a passion for innovation, including the integration of AI‑powered features, automation tools, and intelligent user experiences that elevate event engagement and operational efficiency.
Key Responsibilities
Mobile Application Development
Designs, builds, and maintains cross‑platform mobile applications using frameworks such as React Native, Flutter, or similar technologies.
Implements intuitive, responsive, and accessible mobile interfaces that enhance attendee, exhibitor, and partner experiences.
Ensures mobile apps are optimised for performance, reliability, and scalability during high‑traffic event periods.
Architecture, Code Quality & Best Practices
Develops clean, maintainable, and testable code following industry best practices.
Contributes to mobile architecture decisions, component libraries, and shared design systems.
Implements automated testing, CI/CD pipelines, and monitoring tools to ensure high‑quality releases.
AI Tooling & AI‑Driven Mobile Features
Integrates AI‑powered capabilities into mobile apps, such as:
personalised event recommendations
intelligent search and content discovery
AI‑driven matchmaking between attendees and exhibitors
automated content summaries, translations, or highlights
conversational interfaces and chat‑based assistance
Supports the introduction of AI tooling to improve mobile development workflows, including automated testing, code generation, and performance diagnostics.
Events & iGaming Mobile Experience
Builds features tailored to live events and iGaming audiences, including:
real‑time schedules and notifications
interactive maps and navigation
exhibitor and sponsor engagement tools
live content feeds and session interactions
Ensures mobile apps remain stable and responsive during peak usage at major events.
Security, Compliance & Data Protection
Implements secure‑by‑design principles across all mobile features.
Ensures compliance with data‑privacy regulations and responsible‑gaming requirements where applicable.
Collaborates with backend and security teams to ensure safe data handling and API integration.
Collaboration & Cross‑Functional Support
Works closely with product managers, UX/UI designers, backend engineers, and data teams to deliver cohesive mobile experiences.
Participates in sprint planning, technical discussions, and product roadmap sessions.
Provides technical guidance and mentorship to junior engineers when needed.
Qualifications
Key Skills & Competencies
Strong proficiency in cross‑platform mobile frameworks (React Native, Flutter, or similar)
Solid understanding of mobile UI/UX principles and responsive design
Experience integrating RESTful APIs, GraphQL, and real‑time data streams
Familiarity with AI/ML concepts and mobile‑friendly AI integrations
Strong debugging, performance optimisation, and problem‑solving skills
Ability to work effectively in fast‑paced, event‑driven environments
Excellent communication and collaboration skills
Preferred Experience
Educated to degree level in a numerate or technical discipline, Masters preferred.
5-7+ years of technical experience in mobile engineering or cross‑platform development
1-2+ years of management or mentorship experience, such as leading mobile projects or guiding junior developers
Experience building mobile apps for large‑scale events, digital entertainment, or iGaming platforms
Proven track record of integrating AI‑powered features or using AI tooling in development workflows
Experience with cloud‑based mobile services, analytics, and push‑notification systems
Background working with distributed or hybrid teams
Why SiGMA Group?
Grow with us - Be part of SiGMA’s global expansion and make your mark.
Free iGaming Academy access -Learn the ins and outs of the industry with access to courses.
Travel perks - Visit our international offices and attend industry events worldwide.
Performance rewards - High performers are recognized and fast-tracked with annual reviews and bi-yearly performance checks ins.
Interest-free car loan after probation (T&Cs apply)