We are looking for an experienced Payment Microservices Tech Lead to provide technical leadership, support solution design, and guide the development of modern payment and transaction platforms. The role involves hands-on development and architecture governance across Java 21, Spring Boot 3.x, microservices architecture, REST APIs, messaging platforms, AWS, and secure integration solutions. The project focuses on payment microservices covering SWIFT, VISA card payments, and SEPA payments.

Key Responsibilities:

• Provide technical leadership across the engineering team
• Review and approve code, requirements documentation, and integration documentation
• Prepare Solution Design documents and contribute as a hands-on development team member
• Design and develop microservices using Java 21 and Spring Boot 3.x
• Implement and maintain REST API integrations and asynchronous messaging with Kafka or RabbitMQ
• Manage database interactions with SQL, MS SQL, and/or MySQL
• Deploy and operate services on AWS, including ECS, VPC, and CloudWatch
• Implement and maintain OAuth2 and JWT authentication and authorization flows
• Maintain and improve CI/CD pipelines using Bitbucket Pipelines

Must-Have Requirements:

• Expert-level hands-on experience with Java 21 and Spring Boot 3.x
• Proven experience designing and building microservices architecture
• Strong proficiency in REST API design principles
• Hands-on experience with Kafka or RabbitMQ
• Solid knowledge of SQL databases, specifically MS SQL and/or MySQL
• Working experience with AWS services such as ECS, VPC, and CloudWatch
• Practical knowledge of OAuth2 and JWT security standards
• Experience with CI/CD pipelines, particularly Bitbucket Pipelines
• Demonstrated ability to lead technical teams and conduct code and design reviews

Nice to Have:

• Experience with SWIFT payments integration
• Familiarity with PCI DSS and/or PSD2 compliance frameworks
• Hands-on implementation experience with 3DS2 authentication flows
• Background working with high-load transactional systems
• Experience with event-driven architecture patterns

We are seeking an experienced Java Developer to support a new investment services project within the banking industry, related to securities purchasing and related enterprise systems. The role focuses on developing and maintaining scalable Java-based applications, collaborating with cross-functional teams, and adapting to evolving technical requirements. Experience with Angular is also required.

Key Responsibilities:

• Design, develop, and maintain Java-based applications and services.
• Support development of enterprise solutions related to investment services and securities processes.
• Collaborate with cross-functional teams to refine and implement technical requirements.
• Troubleshoot and optimize application performance while ensuring code quality.
• Contribute to robust, scalable, and maintainable software systems.

Must-Have Requirements:

• Extensive hands-on experience in Java development and related frameworks.
• Experience with Angular.
• Proven ability to work on long-term projects with evolving technical requirements.
• Strong analytical and problem-solving skills.
• Ability to work independently in a dynamic environment.
• Prior experience working in a banking environment.

Location

Stuttgart Area, Germany (On-site / Hybrid)

Contract

Initial 3-month assignment with a strong possibility of extension.

Relocation support and assistance with accommodation are provided.

About the Role

We are looking for a Senior Embedded Systems Engineer to join an innovative aerospace and space technology project. The engineer will work on a variety of hardware and software integration activities, supporting the development, deployment, and enhancement of mission-critical systems and ground support equipment.

This role combines low-level embedded software development, Linux-based systems, networking, hardware integration, and system commissioning activities. It is ideal for engineers who enjoy working close to both hardware and software while collaborating with multidisciplinary teams in a highly technical environment.

Depending on the project phase, on-site presence in the Stuttgart area will range between 70% and 100%.

Responsibilities

• Develop and maintain low-level embedded software using C/C++.
• Work with Linux-based embedded systems and hardware platforms.
• Support hardware identification, integration, validation, and long-term testing activities.
• Commission, configure, and deploy embedded systems and ground support equipment.
• Implement and optimize Ethernet routing and communication solutions on embedded platforms.
• Develop and integrate software interfaces for custom hardware components.
• Collaborate with hardware, software, and mechanical engineering teams during system integration activities.
• Troubleshoot complex hardware and software issues and drive them to resolution.
• Contribute to secure boot and system security initiatives.
• Support system documentation, configuration management, and engineering best practices.
• Participate in customer-facing technical discussions and integration activities.

Required Qualifications

• Strong experience in Embedded Software Engineering or Embedded Systems Engineering.
• Excellent knowledge of C programming.
• Hands-on experience with Embedded Linux environments.
• Experience with hardware/software integration and troubleshooting.
• Understanding of networking concepts and protocols, including Ethernet and TCP/IP.
• Experience working with embedded hardware platforms, SoCs, or similar systems.
• Ability to perform system commissioning, testing, and validation activities.
• Strong analytical and problem-solving skills.
• Professional communication skills in English.
• Willingness to work on-site in Germany when required.

Nice to Have

• Experience with C++ development.
• Knowledge of Secure Boot concepts and implementation.
• Experience with SpaceWire or other aerospace communication technologies.
• Familiarity with FPGA interfaces and hardware communication layers.
• Experience with routing algorithms and network protocol implementation.
• Knowledge of ARM-based platforms such as Banana Pi, Raspberry Pi, or similar embedded systems.
• Experience within aerospace, defence, telecommunications, automotive, or industrial embedded environments.
• Exposure to CI/CD, DevOps practices, or infrastructure automation.

What Company Offers

• Opportunity to contribute to cutting-edge aerospace and space industry projects.
• International and highly technical engineering environment.
• Long-term project opportunities beyond the initial assignment.
• Relocation and accommodation support.
• Collaboration with experienced engineering teams and industry specialists.
• Exposure to advanced embedded systems, networking technologies, and mission-critical applications.

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I bring over a decade of experience in IT infrastructure and digital transformation. My journey has been marked by a commitment to leveraging technology to drive efficiency and innovation.

In my previous role, my main responsibilities included coordinating IT infrastructure maintenance services and ensuring these services were delivered with quality and efficiency. I also actively participated in the service sales process to meet the needs of both new and existing clients.

Outside of work, I am dedicated to continuous learning and enjoy exploring new technologies and methodologies.

Senior Oracle PL/SQL Developer with 12+ years of experience in Oracle Database, Oracle ERP/EBS, PL/SQL development, performance tuning, enterprise integrations, and production support. Skilled in Oracle Forms & Reports, SQL optimization, REST APIs, backend system integrations, and supporting manufacturing, warehouse, and logistics business processes within enterprise environments.