Customer Issues Developer

Heretto

. Investigate issues too technical for frontline support .

Posted 10/6/2026full-timeKraków • PolandMid-LevelSenior💰 PLN 16,000 - PLN 20,000 per monthWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates extensive experience in software development, particularly with Java and web applications, while effectively collaborating with cross-functional teams to resolve complex technical issues and enhance customer satisfaction. Proficient in utilizing cloud platforms and automation tools to ensure product quality and streamline deployment processes.

Highest-signal resume keywords

Java DevelopmentGoogle Cloud ExperienceSoftware Development for WebProblem-Solving SkillsCollaboration with Cross-Functional Teams

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

JavaJava/Spring BootJavaScriptTypeScriptReactPostgresSQLiteGitMavenAnsible

Soft Skills

Problem-Solving AbilityFriendly AttitudePositive AttitudeFlexibilityTeam-Player Approach

Tools & Technologies

Google CloudCloud MicroservicesDevOpsQA AutomationUnit Testing

Industry Keywords

Technical SupportIssue ResolutionCustomer SuccessComplex SystemsIn-Person Collaboration

Tech Stack

Tools & technologies

AnsibleCloudGWTJavaJavaScriptMavenMicroservicesPostgresReactSpringSpring BootSpringBootSQLiteTypeScript

About the role

Key responsibilities & impact

Investigate issues too technical for frontline support
Interact with customers to understand situations and gather information
Manage and resolve issue escalations
Collaborate with Customer Success to communicate issues and build team understanding
Develop code to resolve customer issues
Work with the Product team to prioritize and manage issues
Collaborate with QA to automate testing
Collaborate with DevOps to automate deployment
Design and implement unit tests to ensure product quality
Assist customers and team members with deep technical issues
Analyze and resolve bugs and other issues received through the support channel

Requirements

What you’ll need

Love hunting issues, driving to resolution, and helping customers
Experience untangling issues in complex systems
Ability to explain complex usages and system interactions to customers
Friendly and positive attitude
Flexibility and team-player approach
Extensive experience writing software for the web
Experience working in at least one large application
Problem-solving ability, including business and algorithmic problems
Experience with a major cloud platform and understanding of cloud services and patterns
Strong English written and verbal communication skills
Ability to periodically get together for in-person collaboration a few times a year
Core language is Java
Experience with Google Cloud, cloud microservices, Postgres, SQLite, JavaScript, TypeScript, React, GWT, Java/Spring Boot, Git, Maven, and Ansible
Candidates must be located in Poland
CV must be submitted in English

Benefits

Comp & perks

Flexible hours (8:00–10:00 CEST start, 8-hour day)
Private healthcare
Great team and atmosphere
Hybrid work arrangement with approximately 1 office day per week
Indefinite employment duration