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Senior Java Software Developer
Build and maintain mission-critical emergency call handling software using Java, Kubernetes, and cloud platforms, following DevOps and continuous delivery practices.
Software Developer
Build and maintain high-performance trading systems in Python/C++/Java, collaborating with teams to implement and analyze algorithmic strategies while ensuring system scalability and reliability.
Software Developer
Senior developer building cloud-native, message-driven banking services in Java/Spring Boot, deploying on Azure with Kafka and Kubernetes, while leading a scrum team and ensuring secure, testable code.
Software Architect
Designs and leads scalable distributed systems for patient registration in healthcare, using C#/.NET, microservices, and cloud platforms to improve patient and provider experiences.
Java Developer – banking sector (f/m/x)
Develops and maintains Java backend services for a banking app, building RESTful APIs, optimizing SQL queries, and deploying via CI/CD pipelines.
DevOps Engineer/Admin
DevOps Engineer maintaining MS SQL, Docker/Kubernetes clusters, and automating deployments with Ansible/PowerShell for a modern Polish bank.
Senior Full Stack Developer @ Antal
Build and maintain global fleet-management platforms using Java, Spring Boot, and Angular; integrate vehicle data, support customer self-service apps, and collaborate across international teams.
Senior DevOps Engineer
Senior DevOps Engineer builds and scales AWS-based Kubernetes infrastructure, migrates ECS Fargate workloads to EKS, and ensures reliability for high-volume data pipelines powering cybersecurity threat detection.
Vice President, Full-Stack Java Developer
Lead the design and development of scalable Java-based API services and microservices in Azure, using SQL/NoSQL databases and modern AI tools to modernize a core financial accounting system.
Senior Java Developer - Grafana & Observability Expert
Build and optimize Java applications with Grafana, Prometheus, and other observability tools to monitor system performance and data quality.
DevOps Engineer / 1
Designs, automates, and maintains scalable Linux-based infrastructure for enterprise clients using tools like Ansible, GitLab CI, and HAProxy.
Mid Back-End Java Developer @ Cognitran
Builds and maintains Java-based back-end services for automotive clients using Spring Boot, Kafka, and cloud tools like Cloud Run and PubSub.
Senior Back-End Java Developer @ Cognitran
Builds and maintains Java-based backend services for automotive clients using Spring Boot, cloud tools, and databases like PostgreSQL and MongoDB.
Full-Stack Java Developer z niemieckim
Builds full-stack Java applications for European banks and financial institutions using Spring, React/Angular, Azure, and DevOps pipelines.
Senior Software Developer (Remote)
Build and scale cloud-native archiving systems that ingest massive social-media and enterprise data streams, using Python, Angular, AWS, Kubernetes, and observability tools.
Senior Java Developer (with Angular) @ XTB
Build and maintain Java-based microservices and Angular frontends for XTB’s client-care ecosystem, including AI chat, AML systems, and client databases.
Freelance DevOps Engineer
Freelance DevOps Engineer maintains Azure cloud infrastructure using Terraform, GitHub Actions CI/CD, and Azure services to deploy and scale containerized PHP/Symfony apps for a global pharmaceutical company.
Senior Java Developer (fintech project)
Build and maintain high-performance Java backend services for trading and fintech platforms using Spring Boot, MySQL, Redis, and distributed systems.
DevOps Engineer
DevOps Engineer maintains and secures AWS-based infrastructure for an all-in-one e-commerce platform serving thousands of sellers, handling millions of requests with Linux, Nginx, PHP-FPM, MySQL, Redis, and observability tools like Datadog and ELK.
DevOps Engineer
Maintain Kubernetes clusters, automate CI/CD with GitLab and FluxCD, and improve observability using Prometheus, Grafana, and Sentry for a global crash-game platform.