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Voice and Video Android SDK Staff Engineer
Build and maintain Twilio’s Android Voice and Video SDKs, including WebRTC/SIP layers, to power real-time comms for thousands of customers across industries like healthcare and contact centers.
Voice and Video Android SDK Engineer
Build and maintain Twilio’s Android Voice and Video SDKs, integrating WebRTC/SIP/C++ layers to power real-time comms for thousands of customers across industries like healthcare and contact centers.
Mobile Team Lead Engineering
Lead a team of mobile engineers to build and maintain high-performance iOS/Android apps, ensuring scalability, quality, and alignment with backend systems in a fintech loyalty platform.
Software Engineer Back End
Build and scale backend services for MercadoLibre’s Checkout flow, integrating payments, fraud, shipping, and orders while using GenAI tools to accelerate development and maintain high availability.
Full Stack Engineer
Senior full-stack engineer building cloud-native risk-management apps in Java/Kotlin and React for a global investment bank.
Senior Android Developer (Kotlin)
Senior Android Developer building and maintaining banking mobile apps using Kotlin, Jetpack Compose, and Kotlin Multiplatform, with mentoring responsibilities in a hybrid setup across Polish cities.
QA Fullstack Backend (Java/Kotlin)
QA engineer testing high-load backend services in Java/Kotlin projects, automating tests with Kafka, PostgreSQL, and REST APIs, and ensuring 24/7 reliability.
Senior Architect/Staff Engineer
Czym będziesz się zajmować? Responsibilities: Extend VNXT Call Handling in the Kraków Emergency Call Handling team: a mission-critical platform with 99.999% availability. Drive architecture and roadmap, identify…
Senior Java Software Developer
Czym będziesz się zajmować? Responsibilities: Develop mission-critical emergency call handling software end to end, including design, implementation, testing, delivery and maintenance. Extend the capabilities of the…
Senior Android Engineer Romania (m/f/d)
Build Android apps in Kotlin & Jetpack Compose that power AI companions for frontline workers, turning ideas into user-friendly features.
Senior Android Engineer Poland (m/f/d)
Build Android apps in Kotlin & Jetpack Compose to power AI companions that streamline workflows for frontline workers.
SOFTWARE DEVELOPER ANALYST II - ANDROID
Develop and maintain native iOS features for a global financial super app, focusing on hyper-personalization, dynamic UI with SDUI/ViewSystem, and integration with APIs, AI agents, and advertising systems using Swift, SwiftUI, and RxSwift.
QA Automation Engineer / AQA
Builds and maintains automated tests for backend services, APIs, and integrations using Java/Kotlin/Python, designs test frameworks, and integrates tests into CI/CD pipelines.
Senior Android Developer + Kotlin Multiplatform
Czym będziesz się zajmować? Opis projektu: Rozwój aplikacji mobilnej banku. Aplikacja jest produkcyjnie dostępna, cały czas jest rozwijana (nowe funkcjonalności) oraz realizowane są zmiany do istniejących…
QA AI-продуктов (Java)
QA engineer tests mobile and backend for an AI-powered health assistant, writing Java tests and reproducing AI-specific defects while handling privacy/security constraints.
Head of Data Science (12m fixed-term contract)
Lead Marshmallow’s Data Science team to build ML and AI solutions that drive pricing, claims, and operational decisions in a regulated insurtech/fintech, while coaching engineers and partnering with product and commercial teams.
Senior Mobile Developer (iOS / Kotlin Multiplatform)
Build and modernize a GPS navigation app for iOS, then lead the creation of a shared Kotlin Multiplatform codebase for both iOS and Android.