Backend Engineer

• Work on new challenging outsourced projects
• Deliver end-to-end project development both internal and client-facing
• Collaborate with teams to turn strategy into scalable, real-world solutions

Java Developer

• Build, refine, and maintain core features across the full stack;
• Develop and optimize both the company's main application and internal Admin Interfaces;
• Implement high-fidelity UI/UX;
• Work closely with Product Managers and Designers;
• Collaborate closely with an additional developer and the QA team;
• Design and maintain significant, sensitive, and secure back-end logic;
• Take responsibility for maintaining the company’s marketing website;
• Leverage AI tools effectively to accelerate the development lifecycle.

Full-Stack Developer, Python/Java/React

• Design, develop, and maintain applications using .NET Core, .NET Framework, and Angular
• Develop and integrate REST APIs and Web Services
• Build scalable backend services using C#
• Develop modern, responsive user interfaces with Angular
• Design, develop, and optimize Microsoft SQL Server databases
• Collaborate with Business Analysts, Product Owners, and development teams to deliver business solutions
• Participate in CI/CD pipelines, release management, and DevOps activities
• Ensure application performance, security, and maintainability
• Perform code reviews, unit testing, and technical documentation
• Contribute to Agile ceremonies and continuous improvement initiatives

Senior Full Stack .NET Developer, Angular

• Design, develop, test, and maintain high-quality .NET applications.
• Develop new features and enhance existing software solutions.
• Collaborate with cross-functional teams, including Product Owners, Business Analysts, QA Engineers, and Developers.
• Build and maintain RESTful APIs and backend services.
• Troubleshoot, debug, and resolve technical issues.
• Participate in code reviews and contribute to software quality and best practices.
• Write clean, scalable, and maintainable code following industry standards.
• Stay up to date with emerging technologies and development practices.

.NET Developer, Junior/Mid-Level

• Design and develop scalable, high-quality software in agile teams;
• Work across the stack—from backend to front-end—in cloud-native environments;
• Collaborate on architecture, code quality, and continuous improvement;
• Mentor teammates and contribute to a culture of innovation.

• Design, develop, and maintain enterprise applications using C# and .NET
• Develop and maintain microservices following Domain-Driven Design (DDD) principles
• Design, develop, and integrate REST APIs and gRPC services
• Build scalable, secure, and high-performance backend solutions
• Develop and optimise SQL Server databases and T-SQL queries
• Implement event-driven solutions using Apache Kafka
• Develop and deploy applications using Microsoft Azure services
• Contribute to CI/CD pipelines and release processes using Azure DevOps
• Participate in code reviews, unit testing, integration testing, and quality assurance activities
• Collaborate with cross-functional Agile teams throughout the software development lifecycle

Mid-Senior .NET Software Engineer

• Design, implement, and optimize high-performance, soft real-time distributed systems in C++ in the Linux environment.
• Collaborate with cross-functional teams to define and deliver new features.
• Conduct code reviews and perform stability and performance analysis with specialized tools (gdb, vtune, perf, valgrind).

Mid Software Engineer, C++

• **As part of your everyday responsibilities, you will:**
• - Develop high-quality software design
• - Identify, prioritize, and execute tasks in the software development life cycle
• - Develop tools and applications with clean, maintainable, and secure code and guide the rest of the team in doing so
• - Demonstrate excellent RDBMS skills (design, implementation, migration) working with large amounts of data in production systems
• - Conduct code reviews and provide feedback to help the team keep the code quality high
• - Review and debug code
• - Implement REST APIs
• - Deploy and maintain dev & production systems
• - Apply best practices in software engineering
• - Write Unit tests

Senior Software Engineer, Java

• - High-quality, scalable software components development using .NET/C#.
• - Write clean, efficient, well-tested code.
• - Collaborate with Product Owners and Business Analysts for effective technical implementations.
• - Participate in code reviews and provide constructive feedback.
• - Troubleshoot technical issues and propose improvements.
• - Stay updated with technologies and frameworks.
• - Create and maintain technical documentation.

Medior .NET Software Engineer

• Write reusable, testable, and efficient code backed by thorough unit and regression tests
• Develop core C++ applications and libraries for importing and analyzing genetic data
• Take complete ownership of projects from design through testing and deployment
• Assist in the optimization and architecture of the platform for maximum speed and scalability
• Maintain and improve internal high-performance clinical annotation tools
• Contribute to clear, lasting documentation of software architecture and implementation details
• Partner with backend engineers, bioinformaticians, and product stakeholders to deliver cohesive features

C++ Developer

• Design and build high-performance PHP services, background jobs, and REST APIs that orchestrate real financial transactions end to end;
• Write modern PHP (8.2+) with strict types, PSR standards, and a hexagonal / DDD architecture organised around clear bounded contexts;
• Implement distributed workflows using orchestration patterns (Saga) across identity verification, credit scoring, contract creation, e-signing, disbursement, and ledger updates;
• Integrate with third-party providers across KYC, AML screening, qualified electronic signatures, open banking, card acquiring, and interbank payment rails;
• Review pull requests: catch bugs, enforce standards, and propose better patterns;
• Take ownership of features from design to production, working with product, risk, and compliance stakeholders in an agile setup;
• Contribute to decisions on architecture, code quality, and performance as the platform scales;
• Ensure that all activities and duties are carried out in full compliance with regulatory requirements and supporting the continued implementation of the Group Anti-Bribery and Corruption Policy.

Senior Software Engineer – Backend, PHP

• Work in new challenging outsourced projects

Senior Java Software Engineer

• Participate in full software development lifecycle implementing, testing and maintaining custom applications.
• Apply existing standards for programming, naming, security & performance and provide proper code documentation.
• Act as a technical consultant for the client.
• Support business as well as IT users with existing Application.

• Develop and maintain robust Java applications to support internal and external business operations.
• Work closely with cross-functional teams to gather requirements and translate them into technical specifications.
• Implement new features, enhancements, and bug fixes while ensuring adherence to best coding practices.
• Participate in code reviews to improve code quality and promote knowledge sharing within the development team.
• Troubleshoot and debug applications to ensure optimal functionality and performance.
• Collaborate with DevOps teams to streamline deployment processes and improve system reliability.
• Engage in continuous learning to stay updated with the latest Java technologies and frameworks.

Mid/Senior Java Developer

• Design, implement, test, and maintain Java-based applications, modules, and integrations
• Work with **Apache Wicket** (or similar component-based web frameworks) to develop UI layers (if Wicket is used in your stack)
• Build and manage build scripts and dependencies with **Gradle**
• Create and maintain reports using **JasperReports**
• Troubleshoot and resolve bugs, performance issues, and bottlenecks
• Participate in code reviews, pair programming, and mentoring
• Collaborate with product managers, QA, DevOps, and other stakeholders to define requirements and deliver features
• Write automated tests and maintain good test coverage
• Continuously research, propose, and evaluate new tools, frameworks, and architectures

Java Software Engineer

• Write functional specifications and design specifications for system software
• Implement solutions to small-sized problems in the system software using C, C++, and python
• Write test plan specifications and implement automated test programs
• Debug problems found by automated test programs
• Work with Customer Support Engineers to analyze and provide fixes for customer network problems
• Mentor new and junior engineers and review specifications of team members
• Create and update implementation schedules

Senior C++ Engineer

Senior Java Developer

• Design and develop high-quality, scalable, and efficient Python-based applications and services.
• Collaborate with cross-functional teams to gather and analyze project requirements.
• Write clean, readable, and well-documented code that follows best practices and coding standards.
• Lead and mentor junior developers, providing guidance and support throughout the software development life cycle.
• Participate in code reviews and provide constructive feedback to improve code quality.
• Investigate and debug complex issues, ensuring the smooth operation of applications.
• Stay up-to-date with the latest trends and technologies in Python development.
• Contribute to the continuous improvement of development processes and methodologies.
• Collaborate with stakeholders to identify and implement innovative solutions to meet business requirements.

Senior Python Developer

• Lead and facilitate technical working group discussions involving diverse stakeholders from industry, standards bodies, public sector organisations, and trust service providers
• Evaluate, assess, and provide expert guidance on the design and evolution of digital wallet ecosystems
• Evaluate and provide technical expertise on secure communication protocols, including Messaging Layer Security (MLS), Matrix, and Signal
• Define and assess security, assurance, and trust requirements for secure digital communications
• Contribute to the development of technical specifications supporting interoperability and standardisation
• Translate regulatory and legal requirements into practical and interoperable technical architectures and operational models
• Support the definition of conformance, compliance, and interoperability testing approaches
• Produce technical analyses, architectural recommendations, technical guidance, and decision-support materials for technical stakeholders and programme governance bodies

Senior Architect

• Design, develop, and maintain backend services using Python and associated frameworks (Django, FastAPI).
• Collaborate with cross-functional teams to define, design, and ship new features.
• Work within a microservices architecture, understanding service boundaries and inter-service communication.
• Optimize and refactor existing code for improved performance and maintainability.
• Design and implement RESTful APIs to support frontend and mobile applications.
• Ensure API security and authentication mechanisms are robust and up-to-date.
• Collaborate with frontend developers to integrate frontend components with backend services.
• Work with various databases, ensuring efficient and optimized queries.
• Design and implement database schemas, ensuring data integrity and performance.
• Perform database migrations and handle versioning.
• Write unit tests and conduct thorough testing to ensure the reliability and stability of backend components.
• Collaborate with the quality assurance team to identify and fix bugs and improve overall system performance.
• Create and maintain comprehensive documentation for backend systems and APIs.
• Document code and solutions for future reference and ease of collaboration.
• Work closely with frontend developers, product managers, and other stakeholders to understand project requirements and ensure timely delivery of high-quality solutions.
• Participate in code reviews and peer coding to maintain code quality and share best practices

Backend Engineer jobs in Greece

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Java Developer

Full-Stack Developer, Python/Java/React

Senior Full Stack .NET Developer, Angular

.NET Developer, Junior/Mid-Level

Java Developer

Mid-Senior .NET Software Engineer

Mid Software Engineer, C++

Senior Software Engineer, Java

Medior .NET Software Engineer

C++ Developer

Senior Software Engineer – Backend, PHP

Senior Java Software Engineer

Senior Software Engineer, Java

Mid/Senior Java Developer

Java Software Engineer

Senior C++ Engineer

Senior Java Developer

Senior Python Developer

Senior Architect

Backend Developer