Full-Stack Mobile Engineer (iOS, Android & Spring Boot) (m/k)

Full-Stack Mobile Engineer (iOS, Android & Spring Boot) (m/k)

Miejsce pracy: Warszawa

Technologies we use

Expected

• iOS
• Swift
• UIKit
• Kotlin
• Android
• Jetpack Compose
• Spring Boot
• PostgreSQL
• Spring Security

Optional

• AWS

About the project

We are looking for a Full-Stack Mobile Engineer to support the maintenance and incremental development of a production mobile solution covering native iOS, native Android, and Spring Boot backend services.

The project requires a hands-on engineer who can work across the mobile ecosystem, troubleshoot production issues, deliver improvements, manage mobile application releases, and support the evolution of secure and reliable mobile applications.

Location: 100% Remote

⏳ Engagement: Part-time (50% FTE)

This is how we organize our work

This is how we work

• in house
• at the client's site

Your responsibilities

• Maintain and enhance native mobile applications for iOS and Android
• Investigate, troubleshoot, and resolve production issues
• Implement minor feature enhancements and improvements
• Ensure compatibility with new mobile operating system releases
• Manage App Store and Google Play release processes
• Support and maintain the Spring Boot backend
• Participate in incident analysis, root cause investigations, and resolution activities
• Collaborate with cross-functional engineering and delivery teams in an Enhance & Operate model

Our requirements

• 3+ years of commercial experience in iOS development using Swift and UIKit
• 3+ years of commercial experience in Android development using Kotlin and Jetpack Compose
• Strong understanding of native mobile application development across both platforms
• Strong knowledge of UIKit, Storyboard-based applications, and Jetpack Compose
• Experience with mobile platform security mechanisms, including iOS Keychain and Android KeyStore
• Experience ensuring mobile application compatibility with new operating system releases
• Hands-on experience managing mobile application releases end-to-end
• Experience with App Store release processes, including certificates, provisioning profiles, TestFlight, and publication
• Experience managing Google Play releases and application publishing processes
• Familiarity with mobile CI/CD pipelines, release automation, and device compatibility testing
• Experience working with existing Spring Boot applications (Java 17)
• Ability to analyze, debug, and modify existing backend services
• Understanding of REST APIs and API integrations
• Experience working with PostgreSQL
• Familiarity with Spring Security
• Practical knowledge of mobile application security best practices
• Understanding of cryptographic key management and secure authentication mechanisms
• Experience with RSA-based authentication
• Knowledge of secure API communication patterns
• Understanding of token lifecycle and session management
• Experience working with production applications and resolving live issues
• Experience participating in incident analysis, root cause investigations, and resolution activities
• Ability to collaborate with cross-functional engineering and delivery teams in an Enhance & Operate model

Optional

• Working knowledge of AWS services, including: EC2, RDS, S3, CloudWatch, WAF
• Additional experience with security and authentication solutions

What we offer

• Rate of 140–150 PLN/h net on B2B contract
• 100% remote work
• Flexible 50% FTE engagement (approximately 20 hours per week)
• No on-call duties and no work required outside standard business hours
• Short 14-day invoice payment term
• Access to additional benefits, including private healthcare and a cafeteria benefits platform (e.g. Multisport card, prepaid cards, and other lifestyle benefits)
• Dedicated support throughout the cooperation process

Benefits

• sharing the costs of sports activities
• private medical care
• remote work opportunities
• flexible working time
• integration events

P&P Solutions Sp. z o.o.

W P&P Solutions świadczymy usługi outsourcingowe i rekrutacyjne oraz wspieramy transformację cyfrową (poprzez m.in. wdrożenia usług chmurowych) dla klientów na całym świecie, zarówno dla szybko rozwijających się start-up’ów, największych software house’ów w Polsce, dużych firm produktowych, jak również wielu największych globalnych korporacji. Jesteśmy obecni niemal we wszystkich sektorach, ale przede wszystkim w IT, telekomunikacji, fintech, bankowości

i ubezpieczeniach, transporcie i logistyce, administracji oraz usługach publicznych.

Nasi partnerzy to firmy zarówno polskie, jak i zagraniczne, więc przekrój i możliwości na zdobycie doświadczenia są naprawdę duże.

Opierając się na szerokim doświadczeniu i elastycznym podejściu do potrzeb Klienta budujemy swój wizerunek skutecznego doradcy i atrakcyjnego pracodawcy.

W P&P Solutions działamy jako jeden Team, który wspólnie dąży do realizacji wyznaczonych przez siebie założeń. Wierzymy, że teamwork i wspólne działanie są podstawą do osiągania najlepszych rezultatów.