Senior Database Developer

About the company

Mapex is a leading Bulgarian geoinformation company, providing GIS solutions and geodetic services on the Bulgarian market for over 24 years. Our technology solutions enable effective management of geospatial data, workflows, and assets for organizations across both the public and private sectors. Our team consists of highly experienced specialists in information technology and geodesy.

What we believe in

We value entrepreneurship, innovative thinking, and practical technological solutions. We believe that sustainable success comes through teamwork, responsibility, and consistency — this is how we create products that make our clients’ work more efficient and meaningful.

In connection with the expansion of our team, we are looking for

Senior Database Developer – 2 open positions

You’ll be working with a toolkit that includes:

• Relational (SQL) and non-relational (JSON) queries
• GIT/SVN

What you’ll need to succeed in this role

• 5+ years of experience working with relational databases
• Proven experience with relational databases, especially PostgreSQL
• Strong knowledge of SQL (DDL, DML, complex queries, joins, indexing)
• Solid experience in database design and relational data modeling
• Experience writing and optimizing database functions and procedures
• Experience with performance optimization and indexing strategies
• Strong analytical thinking and problem-solving skills
• Good communication skills
• Ability to work independently and as part of a team
• Adaptability and willingness to learn
• Good working knowledge of Microsoft Word and Microsoft Excel

It’s a big plus if you also bring

• Experience with database migrations
• Experience with version control systems (Git/Svn)
• Experience working in Agile environments

In this role, you’ll be expected to

• Design, develop, and maintain complex relational database systems (primarily PostgreSQL)
• Translate complex business and technical requirements into efficient and scalable database structures (tables, views, indexes, functions, triggers, etc.)
• Design and implement advanced database objects
• Develop and optimize complex SQL queries and database functions
• Design and implement scalable relational data models
• Ensure high performance, availability, and data integrity
• Perform performance tuning, query optimization, indexing strategy design, and execution plan analysis
• Collaborate closely with developers, analysts, QA specialists, and other team members

We offer

• Competitive remuneration
• Training and career development opportunities
• Long-term employment in Bulgaria’s largest geoinformation company
• Work in an ambitious team of professionals eager to develop
• Full-time employment
• Additional health insurance
• Other social benefits

Why join us?

At Mapex, you will become part of a team of professionals who work with trust, share common values, and have the freedom to realize their ideas. With us, you will have the opportunity to:

• Work on innovative projects with real meaning
• Develop and learn in a dynamic technological environment
• Be valued for your contribution and ideas

If you are looking for a place where your skills and ideas can flourish, we would be delighted to have you join our team. Please send us your CV. Thank you.