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About the Role

Provide hands-on technical support to customers integrating with and operating on the GLS/NXT Out-of-Home platform. Act as a key technical point of contact throughout the customer lifecycle, supporting onboarding, validating integrations, and resolving operational issues. Support Expansion Managers with technical knowledge and guidance. Test and troubleshoot APIs and event-based workflows, trace activity across backend services, and use system data to identify root causes. Translate findings into practical next steps and clear answers for diverse stakeholders.

Responsibilities

Support customer onboarding and testing end-to-end by preparing test environments, access details, scenarios, and demonstrations.
Provide technical guidance to Expansion Managers, explain platform behavior and limitations, and escalate external issues with clear supporting evidence.
Investigate and resolve technical customer issues by reproducing problems, analyzing system information, identifying root causes, coordinating fixes, and communicating outcomes.
Test and improve customer scenarios by reproducing real-world and unusual situations, verifying solutions, and adding new test cases.
Improve platform reliability and support processes by monitoring external service changes, identifying recurring issues, and documenting findings.

Requirements

At least 2 years of experience in quality assurance, technical implementation, integrations, technical support, or a similar B2B role.
Strong communication skills and 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.
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.

Skills

API testing
Backend service troubleshooting
Event-based workflow testing
Log analysis
Root cause analysis
Datadog or similar observability tools

Location

Berlin Mitte
EU travel

Work Type

Hybrid working mode
Remote policy

Experience Level

At least 2 years of experience

Salary/Compensations

Transparent and competitive compensation
Salary package that reflects your expertise and experience.
Clear bonus system enabling participation in your and the team’s performance

Benefits

Digital environment with international projects
Space to learn and grow
Tailored remote policy
Personal budget (1.000€) for learning and development initiatives
Great office space in Berlin Mitte with top-tier equipment
Monthly team cooking
Regular events and offsites
30 days of yearly holiday

About the Company

Founded with the mission to build the next generation of logistic experiences driven by technology.
Focus on the Logistics and eCommerce sector.
Operates with an entrepreneurial, user-centric approach.
Positioned between corporate and startup environments, leveraging benefits from both.
Comprises different project teams acting as startups with business responsibility.
Part of the GLS IT Services GmbH.

Equal Opportunity

GLS/NXT is an equal opportunity employer.
Does not discriminate on the basis of race, colour, religion, marital status, age, national origin, ancestry, physical or mental disability, medical condition, pregnancy, genetic information, gender, sexual orientation, gender identity or expression.
Celebrates diversity and is committed to creating an inclusive environment for all employees.