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HFM

Database Developer

HFM

. Troubleshoot, analyze, and optimize SQL and NoSQL queries across MariaDB, Postgres, Elasticsearch, MongoDB, Redis, and InfluxDB .

Posted 9/24/2026full-timeAthens • GreeceJuniorMid-LevelWebsite

Core Competencies

Role fit
Core Competencies

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

Demonstrates expertise in SQL and NoSQL database management, with a strong focus on performance optimization and troubleshooting across various database systems. Proficient in collaborating with cross-functional teams to address database needs and challenges while maintaining technical documentation.

Highest-signal resume keywords
SQL Database ManagementNoSQL Database ManagementPerformance OptimizationMariaDB ExperiencePostgres Experience

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills
SQLNoSQLMariaDBPostgresElasticsearchMongoDBRedisInfluxDBPython.NET
Soft Skills
Problem-SolvingAnalytical SkillsAttention to DetailCommunication Skills
Industry Keywords
Database DeveloperDatabase AdministratorTechnical DocumentationQuery Performance TuningOn-Call Rotation

Tech Stack

Tools & technologies
ElasticSearchMariaDBMongoDBNoSQLPostgresPythonRedisSQL.NET

About the role

Key responsibilities & impact
  • Troubleshoot, analyze, and optimize SQL and NoSQL queries across MariaDB, Postgres, Elasticsearch, MongoDB, Redis, and InfluxDB
  • Collaborate with developers across multiple languages and platforms to understand database needs and challenges
  • Analyze database systems, identify performance bottlenecks, and implement effective solutions
  • Develop and maintain technical documentation for query performance tuning, problem resolution, and system design
  • Keep abreast of the latest database management system technologies and trends
  • Participate in the team’s on-call rotation

Requirements

What you’ll need
  • 2+ years as a database developer, database administrator, or similar role
  • Bachelor’s degree in Computer Science, Information Technology, or a related field
  • Strong knowledge of SQL and NoSQL databases and languages
  • Ability to guide software engineers in optimizing database performance through query structuring
  • Experience with MariaDB, Postgres, Elasticsearch, MongoDB, Redis, and InfluxDB
  • Knowledge of programming languages such as Python and .NET
  • Excellent problem-solving abilities, analytical skills, and attention to detail
  • Excellent communication skills to work effectively with different teams
  • Resumes must be submitted in English
  • Must be eligible or have legal authorization to work in Greece

Benefits

Comp & perks
  • Hybrid work model (2 days working from home)
  • Comprehensive health & life insurance
  • Additional paid annual leave
  • Birthday leave
  • Monthly food vouchers
  • Udemy Business access
  • Referral bonus program
  • Summer short Fridays (August)
  • Visa sponsorship and relocation assistance (if applicable)