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Backend Developer - Java Jobs

214 Job Offers

Senior Backend Software Developer - Python/Django
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Join Xelix, a fast-growing AI scale-up, as a Senior Backend Developer. You will build robust, scalable Python/Django solutions and REST APIs in a hybrid London role. Leverage your expertise in AWS, PostgreSQL, and CI/CD to shape the future of financial automation. Enjoy great benefits, including ...
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United Kingdom , London
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70000.00 - 95000.00 GBP / Year
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Xelix
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Backend Developer (Data Engineer) with Python/NiFi
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Join our Agile team as a Backend Developer/Data Engineer in Chantilly, McLean, or Warrenton. Design and build scalable Python/NiFi data pipelines and backend services in a cloud/AWS environment. This role requires an active TS/SCI w/ FSP and offers strong benefits, including fully paid medical pr...
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United States , Chantilly; Warrenton; McLean
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Leading Path Consulting
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Backend Developer
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Join Adapty as a Backend Developer to build high-performance, scalable systems for mobile app monetization. You will design a new analytics platform using Python, FastAPI, and Kafka, integrating with Apple APIs. We seek an engineer with 5+ years of Python experience and expertise in high-load API...
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Adapty.io
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Senior Backend Developer
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Join AI-BOB in Stockholm as a Senior Backend Developer. Leverage your TypeScript expertise to build scalable systems tackling 3D algorithms, AI/ML, and image recognition. Drive sustainability in construction by developing a cutting-edge platform that reduces waste. Enjoy competitive salary, equit...
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Sweden , Stockholm
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Not provided
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AI-BOB
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Backend Developer
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Join leading AI innovators as a Backend Developer. You will model, develop, and maintain applications using Java, Spring Boot, and microservices. A hybrid workplace offers a strong benefits package focused on well-being and continuous learning. Experience with cloud platforms (AWS/Azure/GCP) and ...
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Altilia
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Backend Developer (Node.js)
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Join Andersen as a Backend Node.js Developer. Work on high-load systems using REST, GraphQL, and microservices with MongoDB or MySQL. Enjoy flexible remote/office options, career growth, and a potential bonus of up to 1,000 EUR. Requires 2+ years of commercial Node.js experience and Intermediate+...
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Andersen
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Backend Developer
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Join Artelys in Paris as a Backend Developer. You will design and develop scalable software solutions using Java/Spring or Python. This role requires 5+ years of experience, expertise in REST APIs, and strong software architecture skills. Enjoy flexible hours and a central Paris office location.
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France , Paris
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Artelys
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Backend Lead Developer
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Lead our backend development in Paris, shaping scalable software with Java/Spring or Python. You'll architect solutions, mentor a team, and collaborate closely with product managers. Enjoy a central office with flexible hours and hybrid remote work. Bring 5+ years of expertise in APIs, message qu...
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France , Paris
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Artelys
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Senior Node.js Backend Developer
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Join A-SAFE DIGITAL in Málaga as a Senior Node.js Backend Developer. Lead the development of scalable backend solutions using Node.js, TypeScript, and modern frameworks. Enjoy a hybrid model, flexible hours, and office perks in a dynamic, innovative environment.
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Spain , Málaga
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A-SAFE GROUP
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Backend Developer
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Join AWTG in London as a Backend Developer, specializing in WordPress and Laravel. You will build plugins, themes, and manage migrations while leveraging GCP. We seek an expert in PHP, JavaScript, and Agile methodologies to drive innovative web and mobile projects.
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United Kingdom , London
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35000.00 - 37000.00 GBP / Year
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AWTG
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Senior Backend Developer
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Join Bringg as a Senior Backend Developer in Tel Aviv. Own and evolve a mission-critical SaaS platform handling millions of transactions for global brands. You'll design large-scale distributed systems, optimize SQL, and ensure scalability. Enjoy a hybrid model at Azrieli Towers, medical insuranc...
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Israel , Tel Aviv
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Bringg
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Senior Backend Javascript Developer
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Join a talented team elevating top US companies as a Senior Backend JavaScript Developer. Leverage 5+ years with Node.js, AWS serverless (Lambda, DynamoDB, SQS), and event-driven microservices. Design high-throughput ETL pipelines and distributed systems in a remote role. Strong SQL and DataDog o...
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Capicua Full Stack Creative Hub
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Python Backend Developer
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Join Egnyte's Ecosystem Team as a Python Backend Developer in India. Build and scale AI/integration services using Python, Node.js, and modern cloud tech (Kubernetes/GCP). Collaborate on key partner integrations and influence product direction. Enjoy competitive pay, healthcare, flexible hours, a...
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India
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Egnyte
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Backend Developer
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Join a global non-profit tech leader as a Backend Developer in Cyprus. Architect and scale high-load systems using Node.js, TypeScript, and modern event-driven tools. Enjoy a high-impact role with stock options, 31 days off, and full remote flexibility.
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Cyprus
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4700.00 - 6100.00 EUR / Month
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Fundraise Up
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Backend Developer
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Join a global platform as a key Backend Developer, building high-load systems with Node.js and TypeScript. You'll design scalable services, leveraging MongoDB and event-driven architecture. Enjoy remote work from Armenia, 31 days off, home office setup, and stock options in this product-focused r...
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Armenia
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4000.00 - 5200.00 USD / Month
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Fundraise Up
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Backend Developer
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Join a global platform as a key Backend Developer, architecting high-load systems that process millions in donations. You'll build scalable services with Node.js, TypeScript, and modern tools like Kafka and ClickHouse. Enjoy remote work from Georgia, 31 days off, home office setup, and stock opti...
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Georgia
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11000.00 - 14050.00 GEL / Month
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Fundraise Up
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Backend Developer
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Join GIS Cloud, a global leader in geospatial software, as a Backend Developer in Zagreb or remotely. Develop and upgrade features using PHP Symfony, Kohana, and REST API, working with PostgreSQL and GDAL. Enjoy flexible hours, 24+ days vacation, salary increases, and a supportive team with great...
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Croatia , Zagreb
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GIS Cloud
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Backend Developer (.NET)
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Join our team in Skopje as a Backend Developer, specializing in C# and .NET Core. You will develop cloud-based services, participate in Agile SCRUM processes, and enhance code security and performance. We offer flexible hours, home-office options, international exchange programs, and a vibrant co...
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North Macedonia , Skopje
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Hornetsecurity
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Backend Developer (.NET)
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Join our team in San Gwann, Malta, as a Backend Developer specializing in C# and .NET Core. You will design and enhance cloud-based services within an Agile SCRUM environment. We seek a curious developer with skills in multi-threading and SQL optimization. Enjoy benefits like private health insur...
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Malta , San Gwann
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Hornetsecurity
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Backend Developer
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Join Inflight Dublin as a Backend Developer, crafting innovative web and mobile entertainment systems. Utilize your 5+ years of backend expertise in JavaScript, Node.js, Python, and Linux to build greenfield projects. You'll work with microservices, Docker, and CI/CD in a dynamic Dublin-based team.
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Ireland , Dublin
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Not provided
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Inflight Dublin
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About the Backend Developer - Java role

Embark on a rewarding career path by exploring Backend Developer - Java jobs, a cornerstone role in the modern technology landscape. A Backend Developer specializing in Java is the architect behind the server-side logic, databases, and application programming interfaces (APIs) that power web and mobile applications. While users interact with a sleek front-end interface, it is the backend developer who builds the complex engine, ensuring data is processed, stored, and delivered securely and efficiently. This role is critical for creating the robust, scalable, and high-performance systems that businesses rely on for their digital operations.

Professionals in these roles typically engage in the entire software development lifecycle. Common responsibilities include designing and implementing new application systems and programs, writing clean, maintainable, and well-tested code, and developing robust APIs, particularly RESTful services using frameworks like Spring Boot. They are tasked with building and maintaining microservices architectures, which break down large applications into smaller, independent, and scalable services. A significant part of the job involves investigating and resolving bugs or production issues, performing system integrations, and ensuring that all development activities align with business requirements. Collaboration is key; backend developers frequently work within agile teams, interacting with front-end developers, product managers, and other stakeholders to deliver cohesive and high-quality technology solutions.

To succeed in Backend Developer - Java jobs, a specific and robust skill set is required. Core proficiency in Java, including a deep understanding of its modern features and versions, is fundamental. Employers consistently seek experience with the Spring Framework ecosystem, especially Spring Boot and Spring Cloud for microservices development. A firm grasp of software design patterns and principles, such as Object-Oriented Programming (OOP) and Test-Driven Development (TDD), is essential for creating sustainable code. Technical requirements often include hands-on experience with relational and non-relational databases (e.g., PostgreSQL, MongoDB), version control systems like Git, and containerization technologies such as Docker and Kubernetes. Knowledge of distributed systems and messaging frameworks like Apache Kafka is highly valued, as is experience with cloud platforms (AWS, Azure, or GCP). Beyond technical acumen, successful candidates possess strong problem-solving abilities, excellent communication skills for effective teamwork, and a commitment to continuous learning to stay current with the rapidly evolving Java ecosystem and backend technologies. If you are passionate about building the foundational technology that drives digital innovation, a career in Backend Java development offers a challenging and fulfilling opportunity.