Backend Engineer

• Design and develop backend services and APIs using Symfony or Laravel under a unified architecture standard
• Implement business logic following Domain-Driven Design (DDD) principles, including bounded contexts, services, and entities
• Build and maintain asynchronous workflows using queues, events, and message-driven architectures
• Design and implement webhook-based and event-driven integrations
• Collaborate with cross-functional teams within a standardized engineering delivery model
• Participate in the full software development lifecycle, including architecture, development, testing, deployment, and support
• Ensure system performance, reliability, scalability, and security
• Contribute to architectural governance, engineering standards, and code quality initiatives

Senior PHP Engineer – Symfony, Laravel

• - Technical guidance of a medium sized team
• - Development and maintenance of Java applications and Microservices
• - Code reviews and ensuring code quality
• - Participation in technical design and architectural decisions
• - Support and mentoring of junior team members
• - Collaboration with Product Owners, Architects, QA, and other development teams
• - Participation in Agile/Scrum ceremonies and task planning
• - Coordination of technical matters across different teams

Java Technical Lead

• We are now looking for a **Senior Software Engineer** to work in new challenging outsourced projects.

Senior Java Software Engineer, J2EE

• Design and develop Spring Batch applications for large-scale data and transaction processing
• Build and optimize batch jobs for high-volume processing and reconciliation workflows
• Develop ETL and data transformation pipelines integrated with core banking and enterprise systems
• Transform business and technical requirements into robust, scalable functionalities
• Ensure alignment of solutions with architectural standards and client requirements
• Implement integrations with, core banking systems, external payment networks (e.g., SWIFT, DIAS), databases and file-based interfaces, internal enterprise services and reporting platforms.
• Implement and maintain scheduling, monitoring, restartability, and fault-tolerant mechanisms
• Participate in the modernization of legacy batch systems into modular, scalable architectures
• Collaborate closely with architects, analysts, DevOps, and integration teams
• Support deployment processes and configuration management activities
• Contribute to performance optimization and troubleshooting of batch execution flows

Software Engineer – Java, Spring Batch

• Development of demanding tasks of the projects.
• Familiarity with Waterfall implementation methodologies.
• Transform requirements into functionalities.
• Ensure the alignment of the solution with the client's needs and especially with the architecture team.
• Implementation of integrations with other applications and/or developed modules.
• Assist with deployment and configuration management.

Backend Java Developer

• Design, develop, test, and maintain complex Java applications using Spring Boot, Spring Batch, and Vaadin framework (version 14 and above)
• Develop robust, scalable, and efficient web services using REST and SOAP protocols
• Configure and deploy Java applications on JEE application servers such as Websphere, Weblogic, and JBoss
• Design and implement database solutions using RDBMS, preferably DB2
• Collaborate with the development team to ensure high-quality code and adhere to coding standards
• Participate in code reviews and ensure that the code is maintainable, scalable, and efficient
• Troubleshoot and debug complex issues in Java applications
• Work closely with the QA team to ensure that the application meets the required quality standards
• Participate in technical discussions and provide input on design and architecture of the application

Java Tech Lead

• Design, develop, and maintain high-quality enterprise applications using Java, Spring, Spring Boot, and Hibernate
• Lead or contribute to the migration of monolithic applications into microservices-based architectures
• Build and integrate REST and SOAP APIs for internal and external systems
• Design scalable, secure, and maintainable software solutions based on clean architecture principles
• Participate in system integration activities across complex distributed environments
• Use messaging and integration technologies such as Apache Kafka and Feign Client
• Support containerized deployments using Docker and orchestration platforms such as Kubernetes
• Work within Agile/Scrum teams to ensure timely and high-quality project delivery
• Mentor engineers, conduct code reviews, and support technical growth within the team
• Collaborate with product owners, architects, QA engineers, and stakeholders to translate business requirements into technical solutions
• Support performance analysis, troubleshooting, and optimization of enterprise applications

• Build and maintain backend services and APIs in Java
• Work across multiple microservices (3-4) simultaneously
• Collaborate closely with Product Owners on technical direction
• Contribute to cloud-native architecture on AWS (90%) + Azure (10%)
• Deploy and operate services using Kubernetes and Docker (must-have)
• Contribute to Python-based services when needed
• Work with analytics and data insights to support decisions
• Follow SDLC best practices: testing, code reviews, documentation
• Collaborate with DevOps on CI/CD, deployments, scaling

Mid/Senior Java Developer, Python

• Develop and maintain applications using C# and .NET technologies
• Implement and manage REST APIs and backend services
• Work with Microsoft SQL Server and optimize database performance
• Utilize Entity Framework / EF Core for data access
• Participate in technical design discussions and code reviews
• Collaborate with development teams, product teams, and business stakeholders
• Troubleshoot and resolve application issues in development and production
• Contribute to CI/CD processes using Azure DevOps
• Ensure code quality, scalability, and adherence to best practices

Software Engineer, .NET, C#

• Develop on high-volume, low-latency applications for mission-critical systems, delivering high-availability and performance.
• Write well-designed, testable, efficient software modules.
• Ensure designs comply with specifications and that specifications cover all needed aspects of the implementation.
• Create/review design documentation and provide feedback on test plans.

Software Engineer, Java

• Design, develop, test, and maintain backend applications and services using PHP and Laravel (v12) and/or (Symfony (5.x/6.x);
• Develop and maintain asynchronous and message-driven workflows using Symfony Messenger;
• Build and maintain RESTful APIs and backend integrations with internal and external systems;
• Develop and maintain automated tests using PHPUnit and/or Pest;
• Participate in technical design discussions and contribute to application architecture decisions;
• Conducting and participating in peer code reviews;
• Write clean, maintainable, and well-tested code following coding standards and best practices;
• Support deployment and troubleshooting activities in Kubernetes-based environments;
• Collaborate with cross-functional teams including frontend developers, QA engineers, DevOps engineers, and product stakeholders;
• Troubleshoot, debug, and resolve application issues in development, testing, and production environments;
• Contribute to CI/CD pipelines and modern software delivery practices;
• Ensuring 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.

Backend SW Engineer, PHP, Symfony

• Develop and maintain backend applications using PHP frameworks
• Design and implement REST APIs and backend services
• Contribute to scalable and maintainable software architectures
• Work with asynchronous processing, queues, jobs, and integrations
• Support database design, migrations, indexing, and optimisation activities
• Write and maintain unit and feature tests
• Participate in code reviews and maintain code quality standards
• Support troubleshooting, debugging, and performance optimisation activities
• Collaborate with development teams during takeover and delivery phases
• Contribute to CI/CD and deployment-related activities

Senior PHP Backend Engineer – Laravel, Symfony

• Natech Banking Solutions is a leading European fintech company with nearly 20 years of experience in developing advanced banking systems for major financial institutions. Headquartered in Ioannina, with offices in Athens, Switzerland, and Germany, Natech is at the forefront of digital banking innovation. Our comprehensive product suite includes core banking systems and digital engagement tools, enabling financial institutions to deliver exceptional service. In partnership with Piraeus Bank, we are also developing Snappi, Greece’s first digital-only bank. That's where you come in.
• We are on the lookout for a dedicated a Senior .NET Engineer who will undertake the design, development, coding, customization, configuration and deployment of Fintech applications and software that meet client’s needs and specifications
• Working for a growing company is exciting, as it brings constant change and new challenges. Therefore, it is essential that you are adaptable, able to thrive in a dynamic environment, and comfortable with the fast-paced nature of our growth. ******Your Responsibilities will include: **
• - Participate in the full software development life cycle, including design, development, testing, and deployment.
• - Write efficient, reliable, and maintainable .NET code.
• - Work closely with clients, identifying user experience, understanding their needs and developing customized solutions.
• - Troubleshoot and debug complex software issues.
• - Stay up-to-date with emerging trends and technologies in the software development industry.
• - Mentor junior developers and provide guidance as needed.

Senior .NET Software Engineer

• Work with the OpenConfig team to build programmable data centre infrastructure using software-defined networking principles.
• Architect a new networking operating system based on state orientation, open standards, and a single software image consistency.
• Collaborate with diverse applications using a central database for state-sharing architecture.
• Ensure module independence, self-healing resiliency, and software stability in system designs.
• Maintain full, secured access to the Linux kernel for EOS.

Senior C++ Software Engineer

• Develop and maintain EOS Kernel features and tests using C, C++ and Python
• Track ongoing developments in the Linux Kernel and identify features of interest
• Build automated tests and test infrastructure to validate the features
• Work with hardware engineers and vendors to qualify new Kernel dependent hardware components
• Work with the Kernel community to contribute features back to the mainline
• Provide technical leadership across features, projects and tools
• Mentor new and junior engineers to bring them up to speed in Arista’s software development environment

Senior Software Engineer – Linux Kernel, C++

• As a Software Engineer, you will play a critical role in designing, developing, and maintaining software solutions that enhance our operational efficiency. You will work closely with cross-functional teams to deliver high-quality software that meets user needs and exceeds expectations.

Software Engineer, Angular/Node.js

• Actively participate in the software development lifecycle, assuming leading responsibilities
• Lead customer implementations, including analysis, system design, development, and deployment
• Assist with the deployment and configuration of the system
• Propose viable technical solutions
• Maintain comprehensive technical documentation, including code documentation and system documentation, to aid in knowledge sharing and onboarding of new team members
• Investigate and resolve complex technical issues, providing root cause analysis and implementing solutions to prevent recurrence
• Participate in project planning sessions, provide technical input for project estimations, and ensure that development timelines are met
• Collaborate effectively with cross-functional teams to deliver high-quality software solutions
• Promote a culture of continuous improvement within the development team, identifying areas for process enhancement and efficiency gains

.NET Engineer

• Support, maintain, and improve existing systems and applications across the platform
• Use effective and efficient development techniques to deliver high-quality technical solutions
• Provide accurate estimates for technical requirements and deliver code components and frameworks accordingly
• Report development progress, risks, and issues to the Development Lead
• Assist with software testing activities and contribute to the development of automated test cases

PHP Developer

• Ανάπτυξη και παραμετροποίηση στο Pylon ERP
• Υλοποίηση custom λειτουργιών και automation
• Διασύνδεση ERP με τρίτα συστήματα (e-shop, CRM, APIs)
• Ανάπτυξη και βελτιστοποίηση SQL queries & βάσεων δεδομένων
• Δημιουργία reports & data flows
• Ανάλυση επιχειρησιακών αναγκών και μετατροπή σε τεχνικές λύσεις
• Συνεργασία με εξωτερικούς συνεργάτες όπου απαιτείται

See all jobs on JobTailor

Senior PHP Engineer – Symfony, Laravel

Java Technical Lead

Senior Java Software Engineer, J2EE

Software Engineer – Java, Spring Batch

Backend Java Developer

Java Tech Lead

Java Tech Lead

Mid/Senior Java Developer, Python

Mid/Senior Java Developer, Python

Software Engineer, .NET, C#

Software Engineer, Java

Backend SW Engineer, PHP, Symfony

Senior PHP Backend Engineer – Laravel, Symfony

Senior .NET Software Engineer

Senior C++ Software Engineer

Senior Software Engineer – Linux Kernel, C++

Software Engineer, Angular/Node.js

.NET Engineer

PHP Developer

ERP Developer – .NET