Lead Backend Developer

Joom

. Come up with architecture . Program in Go . Provide fault tolerance for coded services in an AWS environment . Prepare for a constant increase of processed and stored data loads and volumes . Participate in new feature

Posted 10/21/2026full-timeLisbon • PortugalSeniorWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates expertise in backend architecture and programming, particularly in Go, while leading and mentoring a development team. Proficient in managing high-load systems and ensuring fault tolerance in AWS environments.

Highest-signal resume keywords

Go ProgrammingBackend Team LeadershipFault Tolerance in AWSComplex Project DevelopmentLinux / Unix Development

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

Go ProgrammingJavaKotlinC++PythonScalaAlgorithm DesignHighload ExperienceMongoDBKubernetes

Soft Skills

Team ManagementMentoring

Tools & Technologies

AWSLinuxUnixMongoDBKubernetes

Industry Keywords

Backend DevelopmentArchitectureFault ToleranceHighload SystemsData Processing

Tech Stack

Tools & technologies

AWSJavaKotlinKubernetesLinuxMongoDBPythonScalaUnixC++Go

About the role

Key responsibilities & impact

Come up with architecture
Program in Go
Provide fault tolerance for coded services in an AWS environment
Prepare for a constant increase of processed and stored data loads and volumes
Participate in new feature and product development discussions
Manage and mentor a backend team of 3–6 developers

Requirements

What you’ll need

Experience in leading and developing a backend team by recruiting, hiring, and training new team members
Confident knowledge of at least one of Go, Java, Kotlin, C++, Python, or Scala
Complex project development experience
Excellent algorithmic training
Experience in development for Linux / Unix
Preferred: experience with highload
Preferred: experience with MongoDB
Preferred: experience with Kubernetes

Benefits

Comp & perks

Compensation package: base salary and performance-based bonuses
Office-first: flexible hours with a possibility to work remotely 52 days per year
Health insurance (including dental care) for employees and their children
Daily meal allowance
100% paid sick leave
Full relocation assistance for employees and their family
Licenses and access to a wide range of AI tools
Opportunities for promotions
Professional trainings
English and Portuguese courses
Annual team building activities
Knowledge-sharing workshops
Collaboration with colleagues across Portugal, Brazil, Latvia and China
Strong sense of team work