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Senior Software Engineer (Kotlin)
Build and evolve scalable backend services in Kotlin/Java while integrating AI tools throughout the development lifecycle to improve code quality and productivity.
Backend Engineer (3년~5년차)
Builds the core backend that powers a B2B marketplace automating wholesale inventory trading for U.S. sellers, handling user, inventory, invoice, payment, and dashboard logic with Spring/Kotlin and AWS.
Android Software Engineer
Build and maintain the Android client for an AI-native assistant, integrating chat, vision, voice and recommendations while optimizing performance and reliability for AI-intensive workflows.
SDET Analyst
Build and maintain automated test frameworks for a financial-services product using C#, .NET, and JavaScript, running tests in Azure DevOps and Selenium.
Full Stack Developer
Build full-stack web and mobile apps for global brands in Fashion & Luxury, Retail, and Pharma using React.js, Node.js, and cloud-native tools.
Application Developer Fintech
Build a secure mobile money-transfer app using Swift/Kotlin/Java/React Native, integrating payment gateways and ensuring PCI DSS/KYC/AML compliance.
Software Architect
Designs and builds scalable, low-latency trading and risk systems using Java/Kotlin/Python/C++ while embedding GenAI tools to boost developer productivity and enforce engineering standards.
Mobile Software Engineer (Android)
Build and maintain Android SDKs and apps for secure mobile payments and authentication, using Java/Kotlin and native development to integrate with banking and e-commerce systems.
Senior Software Engineer, iOS
Build and lead the iOS app for Notewise, a note-taking tool used by millions, using Swift, UIKit/SwiftUI, and cloud/AI integrations.
Software Engineer II, Billing
Build and lead the next-generation billing platform for Airwallex, designing scalable microservices in Java/Spring to automate pricing and invoicing for global businesses.
SENIOR SOFTWARE ENGINEER
Build and maintain cross-platform mobile apps for Android and iOS using .NET MAUI, collaborating with designers and backend teams to deliver polished user experiences.
Senior Software Engineer, Frontend (6 - 12 months contract)
Build and maintain scalable frontend platforms for Flo Energy’s customer-facing energy solutions using modern web tech, improving UX and driving sustainable energy adoption.
Senior / Staff Software Engineer, Mobile — Core (Account & Risk)
Build and secure the account platform for a top crypto exchange, owning mobile auth, MFA, Passkey, and risk integrations while driving AI-native engineering practices.
Senior Staff Software Engineer Mobile Core Account and Risk
Build and secure mobile account systems (auth, MFA, Passkey) for a crypto exchange, integrating AI-native workflows and risk defenses while mentoring engineers.
Senior Java Software Engineer
Builds scalable microservices in Java/Spring for enterprise risk systems, using Kafka, Kubernetes, AWS, and Flink.
Software Engineer - Backend
Build and scale the backend infrastructure for an AI-driven mortgage platform, focusing on distributed systems, PostgreSQL, and AWS to support automated loan origination.
Fullstack Developer (Java + Kotlin + React)
Build and maintain a cloud-native e-commerce platform using Java/Kotlin, Spring Boot, React, and AWS, while owning CI/CD, DevOps, and end-to-end features.
Junior Software Engineer (Java)
Build and optimize web platforms for global brands using Java, Adobe Experience Manager, and cloud services, while contributing to open-source and internal tech initiatives.
Lead Software Engineer (Java)
Lead a team to design, build, and deliver scalable Java/Kotlin backend services using AWS, Kafka, and microservices, while mentoring engineers and driving engineering best practices.
Expert Android Consultant
Build and maintain the Android app for one of Poland’s largest mobile banking platforms using Kotlin, MVVM, Clean Architecture, and modern Android tooling.