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Backend (SR) – Java / Node.js / Alta Concurrencia (Híbrido, CABA) | 185432
Senior backend developer building high-concurrency banking modules in Java/Node.js for a global financial group, using CI/CD, databases, and AI tools to design APIs and improve systems.
Fullstack Developer (React / NestJS)
Build and maintain modern web interfaces with React and scalable, secure backend services using NestJS/Node.js, ensuring smooth integration and high performance.
Softwareentwickler Java (m/w/d) in Vollzeit
Develop and deploy complex e-commerce applications using Java, modern frontend tech, and MySQL/MongoDB in a full-time role based in Hamburg.
Backend Engineer (Java/Spring) for High-Scale Finance
Build and maintain scalable backend systems in Java/Spring for Goldman Sachs, integrating MongoDB and microservices to support trading, sales, and asset management platforms.
Remote Node Developer – APIs & Backend Expert
Build and maintain Node.js APIs and backend services for enterprise clients, integrating databases and third-party systems while ensuring performance and security.
Lead Software Engineer – Cloud-Native Backend Architect
Lead a team building secure, scalable backend services for payments using cloud-native tech like Kubernetes and MongoDB, while mentoring engineers and guiding multi-region architecture.
Backend Engineer Agentic AI - REO Digital
Builds scalable backend services for AI-driven customer experiences using Node.js, Python, or Go and flexible databases like MongoDB.
Senior Backend Engineer — Node.js, GraphQL & Secure APIs
Designs and maintains secure, scalable backend systems in Node.js/TypeScript, using PostgreSQL, MongoDB, AWS, and Azure with Docker/Kubernetes.
Hybrid Full-Stack Engineer — Next.js, React, TS
Builds and maintains full-stack web apps using Next.js, React, TypeScript, MongoDB, and API services in a hybrid role based in Belfast.
Mid Backend Engineer - Java/Node.js & Microservices
Designs and maintains Java/Node.js microservices and REST APIs for a gaming backend, using PostgreSQL, MySQL, or MongoDB.
Backend Engineer - Java Microservices | London
Builds and maintains Java/Spring microservices and MongoDB data platforms for a global investment bank in London.
Fintech Backend Engineer (Java/Kotlin) — Kubernetes & Databricks
Build and maintain a high-performance fintech trading platform using Java/Kotlin, Kubernetes, and Databricks in a fast-paced front-office environment.
Travel-Ready Customer Solutions Architect (Java/React)
Designs and implements Java/React-based customer solutions for a travel-focused product company, requiring travel for client engagements.
Senior Backend Engineer (Java/AWS) + AI — Hybrid
Builds and maintains Java/Spring Boot backend services for a fintech platform, using MongoDB and REST APIs, while leading a small team in a hybrid London office setup.
Backend Engineer - Java Microservices for Real-Time Finance
Builds and maintains Java/Spring microservices for real-time financial platforms, using MongoDB and DevOps tooling in a global, agile team.
Remote Senior Fullstack JS Engineer — React/Node/Express
Build and maintain full-stack JavaScript applications using React, Node.js, Express, MongoDB, and SQL while collaborating with clients in the Greater London area.
Full Stack Engineer - React, Node.Js, TypeScript, JavaScript
Build and evolve an EdTech platform using React, Node.js, and TypeScript, while driving customer adoption through training and support.
Full Stack Javascript Software Engineer in London - Quant Capital
Full-stack JavaScript engineer building a TypeScript pricing analytics library for a fintech client using React, Node.js, SQL Server, and MongoDB in a microservices setup.
Backend Engineer - Databases and APIs
Backend engineer building and optimizing databases, ETL pipelines, and FastAPI services to power a data-driven platform for a global communications agency.
Senior Fullstack Enginer (Python & React)
Build and integrate a Python-based passenger flow model with a React UI and APIs, optimizing performance for large-scale transport systems.