Job Opportunity: Senior Backend Developer (Java / C++)

About the Client

Our client operates in the digital technology and media domain, focused on:

• Backend systems

• Intensive data processing

• Audio and video analysis solutions

• Signal processing

• Music Recognition Technology (MRT)

The environment is built around modern cloud platforms, distributed systems, high-performance backend services, and large-scale multimedia data processing.

What We Offer

Join a thriving high-tech development business that is rapidly expanding, serving a diverse clientele across Europe and North America.

We value both synchronicity and flexibility, and we are always open to listening to your needs and accommodating them whenever possible.

• Compensation in US dollars (contractor position)

• Fully remote role — work from anywhere

• A stimulating environment with growth opportunities

• A passionate and highly technical team

Role Responsibilities

• Design, develop, and maintain backend applications using Java and Spring Boot, as well as low-level components in C++.

• Participate in all phases of the software development lifecycle:

  • Requirements analysis

  • System design

  • Implementation

  • Testing

  • Deployment

  • Maintenance

• Develop and maintain high-performance, secure REST APIs.

• Integrate backend services with cloud platforms, particularly Microsoft Azure.

• Contribute to system architecture and technical discussions.

• Collaborate closely with architecture, product, and engineering teams to build scalable and integrated solutions.

• Perform code reviews and support technical decision-making.

• Support deployment activities and troubleshoot complex production issues, ensuring system reliability.

• Optionally contribute to audio/video processing and signal analysis components when required.

Technical Requirements (Must Have)

• Minimum 8 years of hands-on experience in object-oriented programming, primarily in Java.

• Strong experience with:

  • Java

  • Spring Boot

  • REST API development

• Solid experience working in Unix/Linux environments.

• Very good knowledge of:

  • SQL

  • PostgreSQL

• Experience implementing API security best practices.

• Practical experience with Microsoft Azure (mandatory), including Azure SDK for Java.

• Strong knowledge of Docker and containerized application development.

• Experience working with Agile methodologies.

• C++ – required.

• English level: B2+ minimum.

Nice to Have

• Experience with audio/video processing.

• Knowledge of Digital Signal Processing (DSP) concepts.

• Experience with Music Recognition Technology (MRT).

• Familiarity with Infrastructure as Code tools (e.g., Terraform).

• Experience working in distributed systems or large-scale enterprise environments.

• Personal technical projects that demonstrate initiative and strong engineering skills.

• Strong communication skills and desire to work in a multidisciplinary, cross-functional team.

If you are looking for a technically challenging role in a cutting-edge environment, with real impact at scale, wed love to hear from you.

Please submit your CV and lets explore how you can contribute to the team.