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Senior Java Developer: Spring Boot & REST API (Rzeszów)
Build and maintain Java/Spring Boot applications, integrate systems, and analyze business requirements in a product team.
Quality Assurance / DevOps Engineer
Build and run automated tests for backend, UI, and APIs, and help maintain CI/CD pipelines using Java/Kotlin and cloud tooling.
Senior DevOps Engineer - Warsaw
Build and maintain CI/CD pipelines, Kubernetes clusters, and cloud infrastructure for a product company using AWS, Docker, Jenkins, and Terraform.
Freelance Software Developer (Java) - Quality Assurance (AI Trainer)
Freelance Java developer trains and evaluates AI models by writing, reviewing, and testing code, annotating data, and benchmarking LLM outputs in sandboxed environments.
Principal DevOps Engineer
Leads a small team building, scaling, and maintaining backend services for a large bank, using Java/Spring, Kafka, and Azure DevOps in a hybrid cloud setup.
Principal DevOps Engineer
Leads a small team building, scaling, and maintaining backend services for a large bank, integrating local apps with group-wide systems using Java, Spring Boot, Kafka, and cloud tools.
Full Stack Developer (Java + Typescript/Angular)
Build and maintain a data-retention module in Java/Spring with Angular frontend, writing tests and supporting UAT in an Agile team for government-sector software.
Fullstack Java Developer @ apreel Sp. z o.o.
Fullstack Java developer building and maintaining enterprise systems using Java/Spring Boot backend and Angular frontend, with CI/CD and cloud tools.
Senior Java Developer @ Rhino Sp. z o.o.
Design and build a cloud-based microservices platform in Java/Spring Boot that ingests IoT sensor data, exposes REST APIs, and powers dashboards for energy and building optimization.
Full Stack Developer (Java + Angular)
Builds and extends a debt-collection system using Java/Spring, Kafka, and Angular, migrating parts to microservices in a private cloud.
Projektant Programista - Java Developer (k/m)
Java developer designing, coding, and maintaining enterprise systems using Spring, Kafka, and Kubernetes in a large Polish telecom group.
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 Developer
Builds and maintains core Java-based financial reference data systems using Spring, React, and microservices, ensuring secure, scalable solutions for client lifecycle management.
DevOps Engineer
Build and maintain CI/CD pipelines for a global payments platform using Jenkins, Harness, and Groovy/Bash automation to enable rapid, secure software delivery.
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.
Java Developer (F/M/N)
Backend Java developer building and maintaining web modules for a large-scale iGaming platform using Spring, Hibernate, and PostgreSQL.
Senior Java Developer (Capital Markets)
Builds and maintains Java-based trading platforms for capital markets clients using Spring, Hibernate, and SQL, collaborating in Agile teams.
DevOps Engineer
Build and optimize CI/CD pipelines using Jenkins and Harness to automate multi-environment deployments for a global payments company.
DevOps Engineer
Design and maintain CI/CD pipelines using Jenkins and Harness to automate multi-environment deployments for a global payments company.