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The Hub/Danske Bank

Backend Developer

Backend developer on WeDoBooks' 'Pipeline Builders' team building Publizon, the Nordic platform for digital book distribution. Day to day you build TypeScript/Node.js services on Google Cloud: ONIX metadata ingestion, EPUB/audio content pipelines with DRM, public partner REST APIs, reporting pipelines, and migrating off legacy systems.

AI API AWS Azure Backbone.js +16 skills

payzeepsolutions

Nodejs Backend Engineer

HybridAfrica, APAC

Designs, builds, and maintains backend services, APIs, and microservices for Paymi's payment platform (wallets, transfers, collections, settlements) using Node.js/TypeScript. Focus areas include secure coding (OWASP, PCI-DSS), production reliability, and integrations with core banking and third-party payment systems.

API Api Design AWS Azure CI/CD +15 skills

Java Developer - Backend

A backend Java developer role in Lahore focused on designing, building, and maintaining backend applications and RESTful APIs using Spring Boot and SQL Server. Day-to-day work includes writing complex SQL (queries, stored procedures, tuning), integrating with third-party systems, and ensuring performance, security, and scalability.

API Cloud Java REST Spring +2 skills

Spring Boot Java Backend Engineer - REST APIs

Design, develop, and maintain Java Spring Boot backend services and RESTful APIs for Algo+ USA in Lahore, ensuring performance, security, and scalability. Day-to-day work includes writing efficient Java code, building complex SQL Server queries, integrating databases and third-party systems, and joining code reviews.

API Java REST Spring SQL +1 skills

Backend Engineer

Weekday AI is hiring a Backend Engineer based in Bangalore, open to graduates from 2021-2024. The posting gives no further detail on responsibilities or tech stack beyond backend development.

Java Backend Developer (m/w/d)

4Soft (part of the ~220-person Avelion Group) is hiring a Java backend developer in Munich to build highly customized 'Clean-Core' extensions that fill the gaps where standard enterprise software like SAP or PLM ends, giving clients a competitive edge. The role is onsite at Altstadt-Lehel, München.

Java SAP Spring

Engenheiro(a) de Software Sênior Backend Python - Plataforma e Arquitetura

Afya, a Brazilian health-tech company, is hiring a Senior Backend Python Engineer (remote in Brazil) for its Medical Practice Solutions team. The role focuses on evolving platform architecture, APIs, performance, and reliability using Python (Django/FastAPI), relational databases, and distributed systems, in partnership with cloud/SRE, security, and product teams.

API AWS Azure CI/CD Cloud +14 skills

Crypto Pro Network

Backend Developer

Backend engineer role in Turkey at a blockchain company, focused on building high-performance distributed systems, blockchain engines, and developer tools. Core stack is Rust, Golang, and C++, with libp2p networking, Solidity smart contracts, and low-latency backend/protocol design.

Blockchain C++ Distributed Systems Go Networking +3 skills

Desenvolvedor(a) Java Backend PL [100% remoto]

CashMe is hiring a fully remote mid-level (pleno) Java backend developer to build and maintain backend services in Java/Spring Boot, focusing on API integrations, automated testing with JUnit/Mockito, relational databases, clean architecture (SOLID, design patterns), and Git workflows, with Docker/Kubernetes and AWS services as a plus.

API AWS CloudWatch Design Patterns Docker +11 skills

BackEnd Developer – CMS

Backend developer (Java/Spring Boot) who designs REST APIs, implements business logic and Spring Boot services with PostgreSQL integration, writes unit tests and works in Scrum. Requires 3+ years of experience with Java 11+, Spring Boot, JPA/Hibernate and advanced SQL; AWS, security (OAuth2/JWT) and legacy migration experience are pluses.

API AWS Git Gradle Hibernate +13 skills

Desarrollador Backend - Java / Spring Boot

Backend Java developer at VALTX, a Peruvian IT solutions and consulting firm. Day to day: build and maintain Java web applications with Spring Boot, write simple unit tests, fix bugs, document code, and collaborate with the dev team in a hybrid role based in San Isidro, Peru.

Bitbucket Cloud DevOps Gradle Java +5 skills

Senior Backend Engineer - Remote, Build Scalable APIs

RemoteAfricaSenior

Senior Backend Engineer on a fully remote, distributed team designing, building, and maintaining scalable server-side APIs used by thousands of users worldwide, with performance optimization and mentoring of junior engineers. No specific languages or frameworks are named in the posting.

Senior Cloud Backend Developer

On-siteNorth AmericaSenior

Senior Cloud Backend Developer at ALSO, an electric mobility company spun out of Rivian, based in Palo Alto. You'll architect and build the cloud/IoT backend powering connected EVs — secure device data ingestion, product APIs, event-driven services, and global-scale reliability — using REST/GraphQL, gRPC, Kafka/Redis/SQS, OAuth2/JWT, and MQTT-style IoT protocols.

Analytics API Api Design Authentication Cloud +15 skills

183K – 215K $

New Route Recruitment Limited

Backend Senior OR Lead Magento Developer

A web development agency in SW London is hiring a senior/lead back-end Magento developer to build standards-compliant modules for Magento 1 & 2, architect solutions, and deliver responsive e-commerce sites for clients, working alongside frontend developers, project managers, and digital marketing.

Confluence E-commerce Jira PHP Requirements Gathering +1 skills

0026 Checkout Technology Ltd

Senior Backend Engineer – Hybrid, AI‑Driven Payments

Senior Backend Engineer at a London payments company (hybrid), building next-generation payment technologies that improve merchant acceptance rates and customer experience. Day to day: backend development in C# .NET, Java, or Go in agile teams, mentoring junior engineers, and keeping systems highly available.

Agile C# .NET Java

Senior Backend Engineer for Scalable Cloud & AI Security

Senior backend engineer at Wiz (London) building and maintaining large-scale distributed components that power the company's cloud and AI security platform. Core stack: Go/Java/C#, microservices on cloud platforms, Docker, Kubernetes, GraphQL, PostgreSQL and Neptune.

AI Cloud C# Docker GraphQL +4 skills

Understanding Recruitment

Senior C++ Backend Engineer - Low-Latency Trading Systems

Senior C++ engineer building and optimising low-latency backend infrastructure for a global proprietary trading firm, including market data and exchange connectivity services. Core stack is modern C++ on Linux with heavy focus on multithreading, networking, and performance tuning under real production load.

C++ Distributed Systems Linux Multithreading Networking

New Route Recruitment Limited

Lead Backend Magento Developer — Growth, Mentoring & Bonuses

A senior/lead backend Magento developer based in Richmond (SW London) who builds high-quality Magento CE/EE modules and architects responsive e-commerce solutions, collaborating with frontend developers, PMs and digital marketing to deliver client projects.

Senior Ruby on Rails Backend Engineer – Hybrid

Zuno is hiring a Senior Backend Engineer in London (hybrid) to architect server-side logic, optimize data models, and build scalable Ruby on Rails APIs for its installer and customer experiences, while mentoring engineers and driving architectural decisions to keep services fast and reliable.

API Rails Ruby TDD

Senior Backend Engineer — Scalable AI Media Platforms

Brahma AI is hiring a Senior Backend Engineer in the United Kingdom to design and scale server-side services, APIs, and data pipelines powering generative media. Day to day involves API/system design, data processing, ML model integration, observability, and performance optimization, with occasional frontend touchpoints.

AI API Data Pipelines DevOps Machine Learning +1 skills