Backend Engineer, Golang – Decentralized Applications

Pragmatike

full-time

Posted on: 9/22/2025

Origin: • 🇪🇸 Spain

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Mid-LevelSenior

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 emphasis on system programming and performance tuning
Implement robust peer-to-peer (P2P) communication solutions; contribute to or build projects using libp2p or similar
Ensure cross-platform functionality and application compatibility
Collaborate within an Agile Scrum team to define and prioritize backlog items and identify risks/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 in the application lifecycle management and engage with product and design teams
Conduct thorough code reviews, mentor other engineers, and champion best engineering practices

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
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
English is mandatory; French is a plus
Experience with AWS, Azure, and GCP is highly desirable
Hands-on experience with Kubernetes and Docker preferred
Experience in infrastructure engineering and managing production environments
Skilled in using tracing/logging systems to diagnose production issues
Proven track record building large-scale, high-availability systems
Familiarity with continuous delivery pipelines and DevOps practices
Location: Fully remote, EU timezone (CET +/- 2 hours)