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Java Backend Engineer — Spring Boot, Hybrid Warsaw
ALTEN Polska is hiring a mid-level Java Backend Engineer to work on backend applications and system integrations using Java 21, Spring Boot 3, and microservices architecture. The role is based in Warsaw and requires experience with Kafka, Docker, and various database technologies.
Senior Java Engineer: Cloud-Native Backend Life Sciences
Senior Java Engineer designing and building cloud-native backend services for a life sciences platform, using Java and Spring to deliver scalable solutions for analyzing adverse drug effects.
Senior Java developer
Senior Java Developer designing and building industrial solutions, leading projects, and maintaining high code quality in a team responsible for core systems' microservices.
Full Stack Engineer
This role involves full-stack development for a cloud-based client portal platform using Java 17, Spring, and React. The developer will build and maintain features, manage database integrations with PostgreSQL and MongoDB, and work with AWS infrastructure.
Senior Full Stack Developer (Angular + Java) (Teletrabajo 100%)
Plexus Tech is seeking a Senior Full Stack Developer with over 8 years of experience in Angular and Java to work on microservices-based architectures. The role is 100% remote and involves utilizing modern web technologies and AI tools to support software development.
Staff, Back-end engineer
Builds and maintains large-scale distributed systems to ensure fast, reliable order fulfillment for Coupang’s e-commerce platform using Java, Spring, and AWS.
Site Reliability Engineer
Hands-on SRE/DevOps role at a casino gaming technology company, focused on building CI/CD pipelines, managing Docker/Kubernetes container platforms, supporting AWS cloud infrastructure, and maintaining high-availability production systems for global casino floors.
Senior Full-Stack Software Engineer
Builds and maintains mission-critical defence software solutions using full-stack tech (Angular/Vue/Svelte frontends, Python/Java backends, cloud/AWS/Azure, Docker, and microservices) in a secure, agile environment.
Desarrollador/a Backend Java | Cloud & Microservicios
Backend Java Developer building and evolving a high-volume ticketing platform using Java, Spring, REST APIs, and cloud/microservices architectures in a hybrid team in Barcelona.
Kotlin Backend Developer
Develops backend services in Kotlin (Spring Boot/Ktor), builds REST APIs and microservices, and manages databases (PostgreSQL/MongoDB) and message queues (Kafka).
Senior Software Engineer
Full-stack engineer building cloud-native microservices in Java/Spring Boot and React, deploying to AWS EKS and modernizing core financial systems at Toyota Financial Services.
Full Stack Developer
Develops and maintains full-stack applications using Java 21, Spring Boot, and React 19, with a focus on Modulith, microservices, and Micro Frontend architecture.
Architect
Architects fintech supply-chain finance platforms using Java/Spring Boot, Kafka/Spark pipelines, and Azure Kubernetes, enforcing cloud-native standards and mentoring teams.
Full Stack Developer (Angular)
Develops and maintains full-stack applications using Java, Spring Boot, and AngularJS, with cloud-native tools like Kubernetes and Docker.
Senior Java Backend Developer
Build and maintain scalable Java-based backend services using Spring, Azure, and Kubernetes, while collaborating on ecommerce or retail projects.
Software Engineer III
Builds and maintains core card transaction systems on a distributed, low-latency payments platform using Java/Go microservices, cloud-native tools, and distributed tracing.
Architect
Design and own the reference architecture for supply-chain finance modules (payables, receivables, dynamic discounting) using Java/Spring Boot, Scala/Akka, Kafka, Spark, Kubernetes, and Azure.
Lead Software Engineer - Java Backend
Lead a Java backend team building scalable, secure payment systems using Spring Boot, Kafka, and cloud services to process real-time and batch transactions.