Senior Backend Developer (Token Factory)

This position is posted by Jobgether on behalf of a partner company. We are currently looking for a Senior Backend Developer (Token Factory) in United Kingdom. This role sits at the core of a next-generation AI infrastructure platform focused on enabling scalable, production-grade AI deployments for global customers. You will contribute to building and evolving highly distributed backend systems that power AI inference at scale, with a strong emphasis on reliability, performance, and extensibility. Working in a fast-growing, highly technical environment, you will collaborate with engineers across infrastructure, product, and AI domains. The position combines backend engineering, cloud-native architecture, and system optimization in a rapidly evolving product landscape. You will help shape how enterprises integrate and operate AI systems in real-world applications. This is a high-impact role for engineers passionate about distributed systems and cutting-edge AI infrastructure. Accountabilities

• Design, build, and maintain scalable backend services powering AI infrastructure and inference systems
• Develop and optimize distributed systems with a focus on performance, reliability, and low-latency execution
• Contribute to the evolution of platform architecture, ensuring scalability for growing workloads and enterprise use cases
• Collaborate with infrastructure, observability, billing, and AI research teams to deliver integrated solutions
• Improve system stability, uptime, and operational excellence across production environments
• Participate in the development of APIs and web services supporting platform functionality and external integrations
• Apply CI/CD practices, automated testing, and rigorous engineering standards to ensure code quality
• Continuously enhance system capabilities, including performance tuning and infrastructure optimizations

Requirements

• 5+ years of professional software engineering experience in backend or distributed systems development
• Strong proficiency in backend programming languages, ideally Python and/or Go
• Solid understanding of CI/CD pipelines, version control systems, and automated testing practices
• Experience designing and developing scalable web services and backend architectures
• Strong knowledge of distributed systems and high-load system design principles
• Ability to work with a high level of rigor, ownership, and attention to detail
• Strong problem-solving skills and comfort working in fast-evolving technical environments
• Nice to have: experience with large language models or NLP-based systems
• Nice to have: background in high-growth startups or product-driven engineering teams
• Nice to have: contributions to open-source projects or large-scale system development

Benefits

• Competitive salary with comprehensive benefits package
• Flexible working arrangements in a remote-friendly environment
• Strong opportunities for professional growth in a cutting-edge AI infrastructure company
• Exposure to advanced distributed systems and large-scale AI workloads
• Collaborative, engineering-driven culture with high technical standards
• Opportunity to work on impactful AI platform technology used by global customers
• Dynamic environment encouraging innovation, ownership, and continuous learning

How Jobgether Works We use an AI-powered matching process to ensure your application is reviewed quickly, objectively, and fairly against the role's core requirements. Our system identifies the top-fitting candidates, and this shortlist is then shared directly with the hiring company. The final decision and next steps (interviews, assessments) are managed by their internal team. We appreciate your interest and wish you the best! Why Apply Through Jobgether? Data Privacy Notice: By submitting your application, you acknowledge that Jobgether will process your personal data to evaluate your candidacy and share relevant information with the hiring employer. This processing is based on legitimate interest and pre-contractual measures under applicable data protection laws (including GDPR). You may exercise your rights (access, rectification, erasure, objection) at any time. We may use artificial intelligence (AI) tools to support parts of the hiring process, such as reviewing applications, analyzing resumes, or assessing responses. These tools assist our recruitment team but do not replace human judgment. Final hiring decisions are ultimately made by humans. If you would like more information about how your data is processed, please contact us.