Senior Backend Developer in Germany at Jobgether

This position is posted by Jobgether on behalf of a partner company. We are currently looking for a Senior Backend Developer in Germany .

This is an exciting opportunity to join a globally distributed engineering team working on advanced digital finance and blockchain-powered technologies. The role focuses on building and maintaining scalable backend systems that support high-performance financial services used by users around the world. As a senior developer, you will contribute to the architecture, optimization, and security of critical backend infrastructure while collaborating with product, engineering, and design teams in an Agile environment. The position offers exposure to cutting-edge technologies including blockchain integrations, distributed systems, and high-availability architectures. You will play a key role in developing secure and reliable APIs, improving platform scalability, and delivering innovative new features. This role is ideal for a proactive backend engineer who thrives in fast-paced, remote-first environments and enjoys solving complex technical challenges at scale.

• Design, develop, and maintain backend services and APIs that support scalable and high-performance financial platforms.
• Collaborate closely with developers, product managers, designers, and stakeholders to translate business requirements into practical and efficient technical architectures.
• Improve and optimize existing backend services written in Node.js to enhance reliability, scalability, and system performance.
• Develop new backend solutions and integrations that interact with distributed services and microservice-based architectures through RPC calls.
• Write and optimize complex database queries for operational, financial, and compliance-related processes.
• Contribute to platform scalability initiatives to ensure real-time responsiveness and seamless user experiences as system demand grows.
• Apply strong security principles and best practices across backend services to protect infrastructure, transactions, and user data.
• Participate actively in Agile development processes, code reviews, troubleshooting, and continuous improvement initiatives.
• Support the maintenance and evolution of backend infrastructure, messaging systems, caching layers, and job queue architectures.

• At least 5 years of professional experience working with JavaScript and Node.js backend development.
• Strong understanding of microservices architecture and distributed systems design principles.
• Experience contributing to the development and maintenance of complex, large-scale platforms or applications.
• Solid experience working with relational and NoSQL databases such as MySQL and MongoDB.
• Ability to quickly learn and adapt to new technologies, frameworks, and engineering practices.
• Strong understanding of backend security concepts, secure API development, and infrastructure protection best practices.
• Experience with high-availability systems, scalability optimization, and real-time application performance is highly valued.
• Familiarity with blockchain integration concepts is considered a strong advantage.
• Knowledge of additional technologies such as Redis, message queues, caching systems, and job queues is preferred.
• Experience with Ruby and Ruby on Rails is a plus.
• Strong communication and collaboration skills within remote and cross-functional Agile teams.

• Fully remote work environment with global collaboration opportunities.
• Opportunity to work on innovative blockchain and digital finance technologies at large scale.
• Exposure to cutting-edge backend architectures, distributed systems, and high-availability platforms.
• Flexible and fast-paced work culture focused on innovation and continuous improvement.
• Career growth opportunities within a rapidly evolving global technology environment.
• Collaboration with highly skilled international engineering and product teams.
• Participation in impactful projects shaping the future of digital financial services and infrastructure.
• Dynamic and entrepreneurial environment that encourages ownership and technical creativity.