Senior Backend Engineer

About the job Location: Fully remote, EU timezone (CET +/- 2 hours)Start date: ASAPLanguages: English is mandatory; French is a plus We are hiring at Pragmatike to expand our team and drive the growth of our internal projects. Our focus is on developing cutting-edge solutions in Cloud Computing, Blockchain, and Artificial Intelligence , while fostering a culture of collaboration and innovation. Joining us means being part of a passionate team where your ideas and skills directly contribute to shaping tomorrow's technologies. If you're excited about working on ambitious projects in a dynamic and flexible environment, we'd love to hear from you Responsabilities Design and develop scalable, distributed, server-side software applications and microservices. Develop and optimize mission-critical software with a strong emphasis on system programming and performance tuning . Implement robust peer-to-peer (P2P) communication solutions P2P experience is a MUST . Contribute to and/or build projects using libp2p or similar P2P libraries. Ensure cross-platform functionality and application compatibility. Collaborate within an Agile Scrum team to define and prioritize backlog items, and proactively identify risks and dependencies. Create clean, maintainable, and reusable code. Optimize solutions for performance , reliability , and security . Establish and enhance infrastructure , including deployment pipelines and observability tools. Work with multi-cloud environments solid experience in AWS, Azure, and GCP is highly desirable. Participate actively in the application lifecycle management. Engage closely with product and design teams to grasp end-user requirements thoroughly. Conduct thorough code reviews and mentor other engineers. Champion best engineering practices and high-quality software craftsmanship. Required Qualifications Minimum 5-6 years of experience as a Senior/Lead Backend Developer . MS degree in Computer Science or a closely related technical field. Demonstrated technical proficiency in Go and/or Java . Strong understanding of design patterns and multi-threaded programming. Proven experience with P2P architectures ideally in production environments. Solid grasp of internet protocols and technologies: TCP/IP, HTTP, HTML, XML. Familiarity with service-oriented designs and methodologies: REST, JSON, etc. Ability to build well-structured, secure RESTful APIs and understand their client-side implications. Deep understanding of Agile development principles and the Agile Manifesto. Preferred Qualifications Hands-on experience with container orchestration (Kubernetes) and Docker . Experience in infrastructure engineering and managing production environments. Skilled in using tracing/logging systems to rapidly diagnose production issues. Proven track record building business-critical , large-scale , high-availability systems . Strong background in multi-cloud deployments (AWS, Azure, GCP). Experience with libp2p , decentralized systems, and related startups or open-source projects. Familiarity with continuous delivery pipelines and DevOps practices. Pragmatike is dedicated to a fair, transparent, and inclusive recruitment process. We ensure that no applicant is discriminated against based on age, disability, gender, gender identity or expression, marital or civil partner status, pregnancy or maternity, race, religion or belief, sex, or sexual orientation. In accordance with the General Data Protection Regulation (GDPR), your personal data will be processed lawfully, fairly, and securely. We collect and use your personal data solely for recruitment purposes, including sharing it with our client(s) for employment consideration. You have the right to request access, correction, or deletion of your data at any time. We are committed to maintaining the confidentiality and security of your information throughout the recruitment process.