Senior Backend Engineer – P2P and Distributed Systems

Pragmatike

full-time

Posted on: 9/22/2025

Origin: • 🇷🇴 Romania

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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; contribute to/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; proactively identify risks and dependencies.
Create clean, maintainable, and reusable code; conduct thorough code reviews and mentor other engineers.
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) and participate in application lifecycle management.
Engage closely with product and design teams to grasp end-user requirements thoroughly.
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
Proven experience with P2P architectures (P2P experience is a MUST)
Experience with libp2p or similar P2P libraries
Strong understanding of design patterns and multi-threaded programming
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
Languages: English is mandatory; French is a plus
Ability to work fully remote in EU timezone (CET +/- 2 hours)
Start date: ASAP
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: Strong background in multi-cloud deployments (AWS, Azure, GCP)
Preferred: Familiarity with continuous delivery pipelines and DevOps practices