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Software Developer
Build and maintain full-stack applications using Java, SpringBoot, Python, and Vue.js, while integrating AI agents to automate engineering workflows and improve SDLC efficiency.
Freelance Software Developer (Kotlin) - Quality Assurance (AI Trainer)
Freelance role testing and improving Kotlin/Android apps for AI training projects, using automated frameworks and CI/CD pipelines.
Senior Full Stack Developer (Remote)
Build cross-platform mobile apps with React Native and NestJS, delivering pixel-perfect UIs and scalable backends for early-stage startups.
Senior Java Developer @ Devire
Senior Java developer building event-driven microservices for a bank using Spring, Kafka, MongoDB, and Docker in a hybrid Warsaw office role.
Java Developer Payment application
Java developer adapting legacy payment apps to ISO20022; builds Spring Boot microservices with Kafka, MongoDB, and REST APIs in a distributed team.
Mobile Software Engineer - AI Trainer
Build and evaluate AI training tasks, primarily Android-focused coding problems, and provide feedback to improve AI models.
Back End Developer - AI Trainer
Train and evaluate AI chatbots by designing coding challenges, assessing outputs for correctness, and improving model logic using Python/JavaScript.
Python Developer – Banking Domain with ML/AI Expertise - Tieto Tech Consulting (m/f/d)
Builds Python-based banking backend services and ML/AI pipelines, integrating financial systems and ensuring regulatory compliance.
Python Developer – Banking Domain with ML/AI Expertise - Tieto Tech Consulting (m/f/d)
Build and maintain Python-based banking backend services and ML/AI pipelines, integrating with financial systems and ensuring regulatory compliance.
Senior Frontend Developer Location: Warsaw Type of work: hybrid Category: Frontend
Senior frontend developer building responsive web apps with CSS/SASS, unit testing, and mentoring junior engineers.
Staff Software Engineer
Lead the architecture and delivery of secure, scalable banking platforms, guiding teams on modern web, API, and cloud-native systems while ensuring reliability and compliance in payments and transaction processing.
Java Application Developer (Wire Payments)
Develop and support Java-based wire payment systems, coordinating SWIFT mandates and integrating with banking infrastructure using AMH, MQ, and Dynatrace.
Java Developer – Linux/J2EE, Agile, Infra & SWIFT
Develops and maintains Java-based payment systems on Linux, using Agile practices and SWIFT for infrastructure upgrades in a corporate environment.
Java Developer Contract
Contract Java developer building enterprise financial apps with J2EE, Murex/Bloomberg integrations, and batch processing for fixed-income and derivatives systems.
Java Developer (Payments - SWIFT, ISO20022)
Build and maintain payments web apps using Java/Spring Boot, Angular/React, and ISO20022/SWIFT standards in a microservices and cloud environment.
Java Developer
Develops and maintains Java-based enterprise applications for financial payment systems, focusing on SWIFT integrations and infrastructure support.
Lead Python Developer at Fulfil
Lead Python Developer building scalable ERP systems for eCommerce brands, integrating AI and optimizing APIs in a fast-paced, hybrid role.
Staff Mobile Developer (iOS & React Native)
Lead the iOS and React Native teams to build and maintain the next version of TouchTunes’ in-venue music and entertainment app, integrating React Native modules into a native Swift/SwiftUI codebase while driving AI-assisted development practices.
Mid Level Mobile React Native Developer
Build and modernize Meltwater’s mobile apps using React Native and native iOS (Swift), leading feature development, CI/CD, and architecture improvements for global users.
IOS Frontend Mobile Developer (React Native) Sr
Senior iOS mobile developer building secure banking features using React Native, SwiftUI, and UIKit in a collaborative agile team.