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Backend Developer Jobs

234 Job Offers

Backend Developer With FHIR Experience
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Backend Developer with FHIR experience needed for a top 5 US health insurer. You will design and build FHIR R4 and HL7 v2.x APIs, develop RESTful services, and work with Azure Health Data Services. This role requires HIPAA/OAuth2 security expertise and microservices architecture skills. Join a dy...
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Argentina , Buenos Aires
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Not provided
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ELEKS
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Core Java Backend Developer
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Senior Core Java Backend Developer needed in Pune, India to build high-performance financial applications. Leverage 5+ years of expertise in Java 8+, Spring Boot, and Hibernate to design secure, scalable trading platforms and payment gateways. Collaborate with cross-functional teams in a fintech ...
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India , Pune
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Not provided
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Citi
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Senior Backend Python Developer
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Senior Backend Python Developer sought by papernest to own the architecture of their business-critical telephony platform in Paris. You will design reliable, event-driven services using FastAPI, async SQLAlchemy, PostgreSQL, Redis, and AWS. This high-autonomy role requires 8+ years of backend exp...
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France , Paris
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Not provided
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papernest
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Senior Java Backend Developer
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Senior Java Backend Developer (AVP) sought in Chennai to lead application systems analysis and programming. Requires 9-13 years of experience, including 5+ years with Java/Spring Boot, strong SQL skills, and 2+ years with Spark. This role involves feasibility studies, development lifecycle manage...
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India , Chennai
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Not provided
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Citi
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Senior Python Backend Developer
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Senior Python Backend Developer sought to design AI-powered automation solutions using Python, LLMs, and cloud-native systems in Giza, Egypt. You will build scalable APIs, integrate Generative AI, and shape automation architecture within enterprise environments. Requires 3-6 years Python experien...
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Egypt , Giza
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Not provided
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Vodafone
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New
Backend Developer Intern
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Join our bold team in Saigon as a Backend Developer Intern! You’ll design and build scalable web applications, APIs, and databases while optimizing system performance and security. Collaborate on cloud-based deployments and automation with cross-functional teams. Ideal for those passionate about ...
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Vietnam , Ho Chi Minh City
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Gameloft
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Java Backend Developer with Microservices Experience
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Join our Sibiu team as a Java Backend Developer with Microservices Experience. You will design and maintain scalable backend modules using Java, Spring MVC, and Hibernate. We require 3+ years of Core Java expertise and microservices development. Enjoy remote, hybrid, or office work, plus sponsore...
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Romania , Sibiu
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NTT DATA
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Senior IoT Backend Developer (.NET / Azure)
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Senior IoT Backend Developer (.NET / Azure) sought to architect scalable APIs and data ingestion services for a cutting-edge IoT Platform in Cairo, Egypt. You will leverage C#, .NET, and Azure Functions to manage real-time telemetry and device lifecycle. Ideal candidates bring 5–7 years of backen...
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Egypt , Cairo
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Coca-Cola HBC
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Java Backend Developer with Microservices Experience
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We are seeking a Java Backend Developer with Microservices experience to join our team in Sibiu, Romania. You will design and maintain scalable backend modules and web interfaces using Java, Spring MVC, Hibernate, and REST/SOAP services. Ideal candidates have 6+ years of Core Java experience, exp...
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Romania , Sibiu
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Not provided
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NTT DATA
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Senior AEM Backend Developer
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Senior AEM Backend Developer sought to drive experience innovation in Brazil. This role requires 5+ years of AEM development, strong Java proficiency, and expertise in Content/Experience Fragments, Sling Models, and OSGi Services. You will collaborate in Agile teams, leveraging Git and AEM Cloud....
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Brazil
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Valtech
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Core Backend Java Developer
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Join a top-tier team in Mississauga as a Core Backend Java Developer, building next-gen rates reference data applications for electronic trading. Leverage 8+ years of Java expertise, Spring, and low-latency microservices with Kafka or RabbitMQ on a global platform. Work directly with front office...
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Canada , Mississauga
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120800.00 - 170800.00 USD / Year
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Citi
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Core Java Backend Developer - Assistant Vice President
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Seeking a Core Java Backend Developer (AVP) in Chennai. Leverage 7-10 years of experience in Java, Microservices, APIs, Kafka, Flink, and ECS to drive complex application development. This role involves feasibility studies, system analysis, and project management within a dynamic Technology team....
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India , Chennai
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Citi
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Senior Software Developer, Backend
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Senior Backend Software Developer sought to design and build scalable infrastructure platforms using Java and object-oriented programming. You will write robust code, refactor features, and support the full software development lifecycle in Luxembourg. Ideal candidates have a Computer Science deg...
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Luxembourg , Luxembourg
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Hootsuite
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Senior Backend Developer
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Senior Backend Developer sought for a hybrid role in London with a sustainable UK energy provider. You will build full-stack cloud apps using Python and AWS, adopting a serverless-first approach. Key requirements include expertise in RESTful APIs or GraphQL, Git, and TDD. This six-month contract ...
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United Kingdom , London
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Rullion
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Backend Python Developer
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Backend Python Developer role in Kuala Lumpur with a reputable healthcare company. You will design scalable APIs and services using Django, FastAPI, or Flask, requiring 3+ years of experience. Key skills include RESTful APIs, PostgreSQL, Git, and pytest. Enjoy career growth, good benefits, and ac...
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Malaysia , Kuala Lumpur
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6000.00 - 9000.00 MYR / Month
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Randstad
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Java Backend Developer
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Join Randstad Digital as a Java Backend Developer in Tires, Cascais, Portugal. Architect scalable systems for real-time aviation data processing using Java, Linux, SQL/NoSQL, and Kafka. Requires 5+ years of experience, strong algorithmic skills, and fluent English for U.S. client collaboration. S...
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Portugal , Tires, Cascais
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Randstad
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Backend Developer
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Seeking a skilled **Backend Developer** in Mostar, Bosnia and Herzegovina to build reliable, scalable solutions using **Java** and **Spring Boot**. You will implement domain logic, collaborate on product requirements, and work with SQL/NoSQL databases, Docker, and event-driven systems. Join a glo...
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Bosnia and Herzegovina , Mostar
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Sportradar
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Backend Python Developer – AWS (Energy Trading Platform)
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Backend Python Developer needed for a London-based energy trading firm to build and enhance a modern, AWS-powered post-trade platform. This contract role focuses on backend development for live intraday trading, position management, and P&L reporting. You will design scalable services, build APIs...
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United Kingdom , London
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700.00 - 900.00 GBP / Day
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Harrington Starr
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Senior Java Backend Developer - Assistant Vice President
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Senior Java Backend Developer - Assistant Vice President role in Chennai, India. Leverage 8-12 years of experience with Java, Spring Boot, SQL, and Spark to lead application development and systems analysis. Drive complex projects, optimize data structures, and implement security measures in a hi...
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India , Chennai
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Not provided
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Citi
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Development Engineer 2 (Java Backend Developer)
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Join Comcast, a Fortune 30 global tech leader, as a Development Engineer 2 (Java Backend Developer) in Chennai. We seek expertise in Core Java, OOP, multithreading, microservices, and RESTful APIs. You will design, implement, and debug software components while enjoying benefits like paid time of...
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India , Chennai
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Not provided
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Comcast Advertising
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About the Backend Developer role

Are you a logical problem-solver passionate about building the robust systems that power our digital world? Your search for rewarding backend developer jobs begins with understanding this critical and in-demand profession. A Backend Developer is the architect of the server-side logic, databases, and application programming interfaces (APIs) that form the foundation of any web application, mobile app, or software service. While users interact with the sleek frontend interface, it is the backend developer who builds and maintains the complex engine, ensuring everything runs smoothly, securely, and efficiently behind the scenes.

Professionals in backend developer jobs are responsible for the core functionality of an application. Their typical day involves writing clean, scalable code to handle business logic, designing and managing databases (both relational like PostgreSQL and NoSQL like MongoDB), and developing secure and well-documented APIs that allow the frontend to communicate with the server. They build the very infrastructure that processes user requests, performs complex calculations, manages data storage and retrieval, and ensures the seamless flow of information. This role is fundamental to creating applications that are not only functional but also fast, reliable, and capable of handling millions of users.

Common responsibilities for backend developers extend beyond just writing code. They are deeply involved in system architecture, often designing and implementing microservices—a modern approach where an application is built as a suite of small, independent services. They focus on performance optimization, ensuring low latency and high throughput for data-heavy operations. Security is a paramount concern, requiring them to implement robust authentication, authorization, and data protection measures. Furthermore, backend developers are integral to the entire software development lifecycle, participating in system analysis, creating technical documentation, writing unit and integration tests, troubleshooting complex issues, and deploying applications using CI/CD pipelines and containerization tools like Docker and Kubernetes.

To succeed in backend developer jobs, a specific and robust skill set is required. Proficiency in one or more server-side programming languages is essential, with common choices being Java (often with the Spring Boot framework), Python (with Django or Flask), C#, Node.js, or Go. A strong grasp of database technologies, including both SQL and NoSQL principles, is non-negotiable. Understanding architectural patterns like microservices and concepts like RESTful API design, concurrent programming, and distributed systems is highly valued. Familiarity with cloud platforms (such as AWS, Azure, or GCP), version control with Git, and container orchestration is increasingly standard. Beyond technical prowess, successful backend developers possess exceptional analytical and problem-solving skills, a meticulous attention to detail, and the ability to collaborate effectively with frontend developers, product managers, and other stakeholders. If you are ready to build the digital backbone of tomorrow, explore the vast array of backend developer jobs available and launch a career at the heart of technology innovation.