Backend Engineer

Oneleet

Backend Engineer developing and optimizing backend services for cybersecurity platform at Oneleet. Collaborating with cross-functional teams in a fast-paced startup environment.

Posted 7/21/2026full-timeRemote • 🇪🇺 Anywhere in EuropeJuniorMid-Level💰 $90,000 - $120,000 per yearWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates expertise in developing and maintaining backend services and APIs using Go, with a strong focus on PostgreSQL schema design and optimization. Proven ability to build reliable integrations and implement security best practices in a fast-paced startup environment.

Highest-signal resume keywords

Go ProgrammingPostgreSQL Query OptimizationREST API DesignSaaS Platform DevelopmentIntegration with Third-Party APIs

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

Go ProgrammingPostgreSQLREST APIsBackend DevelopmentDistributed TracingMetrics ImplementationSecurity Best PracticesSaaS DevelopmentData OrchestrationIntegration Layers

Soft Skills

Excellent CommunicationTime ManagementAdaptabilityPragmatismCollaboration

Industry Keywords

Startup EnvironmentDeveloper ExperienceHigh-Volume DataObservabilityFast-Moving Engineering

Tech Stack

Tools & technologies

GoPostgres

About the role

Key responsibilities & impact

Develop and maintain backend services and APIs in Go
Design and optimize PostgreSQL schemas and queries for high-volume data
Build reliable orchestration and integration layers across internal and third-party systems
Implement metrics, distributed tracing, and observability across services
Collaborate with the Engineering team on improving the overall Developer Experience
Implement security best practices
Collaborate with frontend, fullstack, and the broader engineering team

Requirements

What you’ll need

2-4 years of experience with Go and designing REST APIs
Experience writing optimized PostgreSQL queries
Comfortable building reliable integrations with third-party APIs and services
Scrappy; prior startup experience and not afraid to get their hands dirty
Pragmatic; knows how to build things fast without unnecessarily complicating things
Expert time management; we work with clients all over the world. We don't expect anyone to be working 24/7 - but we are looking for someone comfortable operating outside of the 9-5 mentality
Comfortable wearing many hats and eagerly adjusts to shifting priorities
Experience in (and thrives in) a fast-moving, start-up engineering environment
Excellent communication skills across all levels of technical proficiency
Experience with architecting, building and maintaining SaaS platform backends

Benefits

Comp & perks

Comprehensive health & wellness benefits
20 days PTO per year, plus 8 floating holidays
Remote work culture
Team off-sites in stunning places (Amsterdam, Italy, etc).
Competitive compensation & equity