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Java Backend Engineer (Kotlin) - Temporary
Build Kotlin/Spring Boot microservices for a renewable-energy platform migrating from Scala/ZIO, designing APIs for React frontends and contributing to scalable green-energy infrastructure.
Backend Engineer (Junior/Medior) — Build Scalable FinTech
Build and scale a modern pricing and billing platform for a fast-growing FinTech startup using Kotlin/Java.
GenAI Java Backend Engineer for AI Chatbots
Builds and scales Java/Kotlin backend services for AI-powered chatbots using Spring Boot in Amsterdam.
Senior Backend Engineer: Kotlin, Kubernetes, Cloud
Senior Backend Engineer builds and maintains Kotlin/Java services in Kubernetes and cloud-native environments for a leading Amsterdam tech firm.
Senior Backend Engineer: Pragmatic AI-Driven Scalable
Architects scalable backend systems in Kotlin/Spring on AWS, using Docker/Kubernetes and real-time data pipelines to support maritime climate-tech solutions.
Senior Backend Engineer (m/f/d)
Build and secure backend services for a next-gen digital payments platform, integrating crypto custody (Fireblocks) and designing scalable, auditable systems in Kotlin/Spring Boot with Kafka and OAuth/OIDC.
Senior Backend Engineer: Scala/Kotlin Microservices
Senior Backend Engineer to maintain and evolve Scala/ZIO services, migrate to Kotlin/Spring Boot, and build scalable microservices powering a green-energy platform.
Senior Backend Engineer: Build Scalable Microservices
Leads a technical recruitment team to hire developers across US, UK, and EU markets, focusing on Kotlin/Java and Node/Typescript ecosystems.
Backend Engineer (Java/Kotlin) - IAM & Microservices
Designs and builds secure, scalable backend services in Java/Kotlin for an IAM platform, working with cloud-native stacks in a multinational team.
Senior Backend Engineer - Product (Remote)
Build and scale the core financial infrastructure for Finom’s all-in-one banking, accounting, and invoicing platform using .NET/C# and distributed systems, collaborating with cross-functional teams to deliver features for European entrepreneurs.
Senior Kotlin Backend Engineer — Scalable Event-Driven
Builds and refactors scalable, event-driven backend services in Kotlin (Spring Boot/Quarkus) for a global ecommerce and logistics platform with 24/7 availability.
Senior Backend Engineer (Kotlin/Java) - Cloud, Kubernetes
Designs, builds, and operates backend services in Kotlin/Java with Spring Boot, deploying them on Azure/GCP using Kubernetes, CI/CD, and test automation.
Senior Backend Engineer Scala/Kotlin - Real-Time, Utrecht
Builds backend services in Scala/Kotlin for real-time logistics systems using Kafka, Docker, and Kubernetes.
Senior Java/Kotlin Backend Engineer - Hybrid & Growth
Designs and builds backend solutions in Java/Kotlin with Spring Boot, contributing to scalable, high-availability systems in multidisciplinary teams.
Java/Kotlin Backend Engineer for Health Data Platform
Builds and maintains Java/Kotlin backend services that process large-scale health data to power a platform with global medical impact.
Java/Kotlin Backend Engineer
Build and scale an open-source e-health data platform in Java/Kotlin, using Kafka, GCP, Docker and Terraform to process massive medical datasets and power global research.
Senior Backend Engineer
Senior backend engineer building microservices and event-driven systems in Kotlin/Java (Spring Boot/Cloud) or Node/Typescript, deploying cloud-native apps with Terraform.
Backend Engineer - FinTech Platform, Kotlin/KTOR
Builds and maintains the backend of a SaaS pricing and billing platform using Kotlin and Ktor, working with PostgreSQL and collaborating across product, design, and sales teams.
Backend Engineer (Junior / Medior Level)
Build and maintain a distributed billing platform in Kotlin/KTOR, PostgreSQL, Kafka and GCP; ship features weekly and collaborate across product, sales and design.
Senior Kotlin Backend Engineer
Senior Kotlin backend engineer building event-driven microservices for global ecommerce and logistics systems using Kotlin, Quarkus, Kafka, and Spring Boot.