Customer Solutions Engineer

GLS/NXT

Customer Solutions Engineer supporting GLS/NXT’s technology-driven logistics and eCommerce platform. Testing integrations, troubleshooting APIs, and resolving customer issues in hybrid Berlin role.

Posted 8/18/2026full-timeBerlin • 🇩🇪 GermanyJuniorMid-LevelWebsite

Core Competencies

Role fit

Core Competencies

Use this summary to align your resume positioning with the role.

Demonstrates expertise in quality assurance and technical support, with a strong focus on testing and troubleshooting APIs and backend services. Capable of effectively communicating technical findings to both technical and non-technical stakeholders while managing multiple priorities.

Highest-signal resume keywords

Quality Assurance ExperienceAPI Testing and TroubleshootingDatadog or Similar Observability ToolsStrong Communication SkillsB2B Technical Support Experience

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

Quality AssuranceAPI TestingBackend Services TestingEvent-Based WorkflowsRoot Cause AnalysisTest Case DevelopmentTechnical ImplementationIntegrationsCustomer OnboardingTroubleshooting

Soft Skills

Strong CommunicationCurious MindsetStructured Problem-SolvingStakeholder CollaborationAbility to Manage Priorities

Tools & Technologies

DatadogObservability Tools

Industry Keywords

B2BTechnical SupportCustomer OnboardingTesting EnvironmentsSystem Analysis

About the role

Key responsibilities & impact

Support customer onboarding and end-to-end testing by preparing test environments, access details, realistic scenarios, and demonstrations
Provide technical guidance to Expansion Managers and explain platform behavior and limitations
Escalate external issues with clear supporting evidence
Reproduce reported customer problems and analyze system information
Identify root causes, coordinate fixes, and communicate outcomes clearly
Reproduce real-world and unusual customer scenarios and verify solutions
Add new test cases to improve future customer onboarding and support
Monitor changes to external services and identify recurring customer issues
Document findings to prevent disruptions and speed resolution
Test and troubleshoot APIs and event-based workflows
Trace activity across backend services and use logs and system data to investigate issues
Translate technical findings into practical next steps for technical and non-technical stakeholders

Requirements

What you’ll need

At least 2 years of experience in quality assurance, technical implementation, integrations, technical support, or a similar B2B role
Strong communication skills
Business-level English
Ability to explain technical findings and work effectively with internal and external stakeholders
Practical experience testing and troubleshooting APIs, backend services, and event-based workflows
Experience using Datadog or similar observability tools to search logs, trace events, and investigate root causes
Curious and structured problem-solving mindset
Ability to reproduce issues, analyze evidence, and manage multiple priorities
Permission to work in Germany
Willingness to travel within the EU up to 10% of the time

Benefits

Comp & perks

Flexible work conditions: Hybrid working mode with a tailored remote policy
Personal budget of 1.000€ for learning and development initiatives
Great office space in Berlin Mitte with top-tier equipment
Transparent and competitive compensation reflecting expertise and experience
Clear bonus system enabling participation in individual and team performance
Monthly team cooking
Regular events and offsites
30 days of yearly holiday