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Backend Engineer / バックエンドエンジニア (Core Banking & Product Features)
Build and run Java/Kotlin backend services for PayPay’s core banking platform, designing scalable microservices on AWS with Spring Boot, Kafka, and Redis while ensuring high reliability for a 70M-user fintech app.
Backend Engineer
Backend Engineer at PayPay building and scaling high-throughput payment systems using Java/Kotlin, distributed databases, and AI-augmented workflows.
Développeur(se) - Full Stack Java Angular - Services Financiers- Le Mans
Full Stack Java/Angular developer working on strategic fintech projects (insurance and public services) with a focus on microservices, REST APIs, and frontend frameworks. Leads Agile teams, mentors juniors, and drives technical improvements in compliance-heavy environments.
Lead Software Engineer
Lead full-stack engineer building secure, scalable banking systems with React, Java/Python, Kafka, and AWS; drives AI-assisted SDLC practices and LLM integrations while mentoring teams.
Senior DevOps Engineer
Build and maintain AWS-based MLOps and DevOps infrastructure, including Kubernetes, CI/CD pipelines, and observability stacks, to support scalable ML model serving and 24/7 platform reliability.
Full Stack Engineer - Lv 4 / Java + JavaScript
Builds and maintains full-stack Java/JavaScript apps for logistics workflows using React, Spring Boot, and cloud-native tools like Kubernetes and Kafka.
Java Software Engineer (APX)
Build and maintain Java-based financial applications using APX, Spring, and Batch, optimizing data models with MongoDB and ensuring smooth operations with Control-M.
Senior Software Engineer - Development
Build and maintain web and mobile web apps for fintech and e-commerce clients using Java, Spring, JavaScript, and AngularJS.
Java Developer
Builds and maintains Java-based microservices using Spring Boot, REST APIs, and cloud-native tools like Docker and Kubernetes for a data-migration platform.
Java Developer with German
Java JEE / Full-Stack Developer builds and maintains a platform for German banks and government entities, using Java, Spring, SQL, and XML while collaborating with German-speaking teams.
Middle Java developer
Builds and maintains backend services for insurance products using Java 11/17/21, Spring Boot, and REST/SOAP APIs.
Java Developer with German
Full-stack Java developer building and enhancing a recovery platform for German banks and government entities, using Java JEE, Spring, SQL, and XML.
Fullstack Developer Java + Angular (Senior)
Senior Fullstack Developer building features for SaldeoSMART using Java 8/11, Spring, Hibernate, Angular, PostgreSQL and MongoDB, with a focus on backend development and cloud migration.
Senior Software Engineer
Build and maintain cloud-based Java applications for enterprise clients, focusing on reactive programming, security, and automated testing.
Senior Fullstack Developer (Java / React)
Build and maintain a full-stack Java/Spring and React/TypeScript application hosted on AWS, designing microservices and REST APIs while ensuring responsive, cross-browser frontend delivery.
Java-C++-Softwareentwickler (m/w/d) gesucht
Develops and maintains Java EE applications (EJB/Spring, JMS, XML, Webservices, JSP/JSF) and implements C++ solutions for complex technical tasks.
Java developer
Builds and maintains Sber ID’s secure authentication system using Java, Spring, and microservices, ensuring high availability and compliance with OAuth 2.0/OIDC standards.
Senior Staff Back-end Engineer (Rocket Pay)
Senior engineer defines the technical roadmap for core payment systems at a fintech spin-off, designing scalable, secure back-end services handling millions of transactions daily using Java/Kotlin and Spring.
Senior Staff Back-end Engineer (Rocket Pay)
Senior engineer defines the technical roadmap for core payment services at a fintech spin-off, building and scaling systems that handle millions of transactions daily using Java/Kotlin and Spring.
Senior Staff, Back-end Engineer (New Fintech Product Engineering)
Senior backend engineer leading the architecture and evolution of core fintech payment systems handling millions of users, using Java/Kotlin and Spring in a high-traffic fintech environment.