Senior Backend Engineer, P2P and Distributed Systems

Pragmatike

full-time

Posted on: 9/22/2025

Origin: • 🇪🇪 Estonia

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Senior

AWSAzureCloudDockerGoGoogle Cloud PlatformJavaKubernetesMicroservicesTCP/IP

About the role

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 and contribute to/build projects using libp2p
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 (AWS, Azure, GCP)
Participate actively in the application lifecycle management
Engage closely with product and design teams to grasp end-user requirements
Conduct thorough code reviews and mentor other engineers
Champion best engineering practices and high-quality software craftsmanship

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 (P2P experience is a MUST)
Experience with libp2p or similar P2P libraries
Solid grasp of internet protocols and technologies: TCP/IP, HTTP, HTML, XML
Familiarity with service-oriented designs and methodologies: REST, JSON
Ability to build well-structured, secure RESTful APIs and understand client-side implications
Deep understanding of Agile development principles and the Agile Manifesto
English is mandatory; French is a plus
Solid experience in AWS, Azure, and GCP is highly desirable
Preferred: Hands-on experience with Kubernetes and Docker
Preferred: Experience in infrastructure engineering and managing production environments
Preferred: Skilled in using tracing/logging systems to rapidly diagnose production issues
Preferred: Proven track record building business-critical, large-scale, high-availability systems
Preferred: Experience with libp2p, decentralized systems, startups or open-source projects
Preferred: Familiarity with continuous delivery pipelines and DevOps practices