Junior Data Engineer – PostgreSQL / PostGIS
AI summary
eHealth4Everyone is hiring a Junior Data Engineer with foundational PostgreSQL, PL/pgSQL and PostGIS skills to support data pipelines for a health information platform in Nigeria. You will build and maintain data pipelines, write SQL queries, process geospatial data with PostGIS, and prepare datasets for Power BI reporting, working alongside experienced data and software engineers.
- Junior role building and maintaining data pipelines for a health information platform
- Hands-on work with PostgreSQL, PL/pgSQL and PostGIS geospatial data
- Prepare and transform datasets for Power BI dashboards and reports
- Collaborate with experienced data and software engineers
- Candidates with foundational knowledge and demonstrated interest are encouraged to apply
AI job guide
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AI salary guide
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Can you qualify for this role?
- UnclearRelated work experienceThe text mentions experience, but the exact level should be confirmed at source.
- PreferredPractical evidence in cleaning, factory, internshipThe tags and summary point to skills connected with this role.
- RequiredAvailability to work in Not specifiedThe vacancy is associated with this location.
Documents to prepare
- Likely requiredUpdated CV
- Role specificCover letter or short employer message
- OptionalProfessional references
- VerifyID or passport only after verifying the employer
Application tips for this job
- Place your strongest Junior Data Engineer – PostgreSQL / PostGIS evidence in the first half of your CV.
- In your cover letter or employer message, connect your experience to Ehealth4everyone and the role in Not specified.
- Add concrete examples related to cleaning, factory, internship, ideally with measurable outcomes or clear responsibilities.
- Follow the instructions from MyJobMag Nigeria; avoid sending documents to unofficial contacts or copied links.
- Confirm the deadline, interview location and employer contact before sharing personal documents.
- Prepare a polite question about pay, benefits and contract terms for later interview stages.
Source and safety check
- MyJobMag Nigeria
- Original source link available
- Application method is clear
- Deadline not specified
- No major risk signal was detected in the captured text.
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Interview preparation
- What experience makes you a strong fit for this Junior Data Engineer – PostgreSQL / PostGIS role in cleaning, factory?
- How have you handled responsibilities similar to those in this job post?
- Are you available to work in Not specified under the listed contract or schedule?
- Prepare examples with clear responsibilities, tools used and measurable outcomes.
- Review the source and research Ehealth4everyone before the interview.
Ask what the first priorities will be in the role and how success will be measured.
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Original source description
We are looking for a Junior Data Engineer with foundational knowledge of PostgreSQL, PL/pgSQL and PostGIS to support data management, data processing and the development of data pipelines for a health information platform.
The ideal candidate should have a basic understanding of relational databases and some practical experience working with PostgreSQL. Experience with PostGIS, PL/pgSQL and Power BI is highly desirable, but candidates with foundational knowledge and demonstrated interest in these areas are encouraged to apply.
The successful candidate will work with experienced data and software engineers to build, maintain and improve data pipelines and support the preparation of reliable datasets for reporting and visualisation.
Key Responsibilities
- Support the development and maintenance of data pipelines.
- Work with PostgreSQL databases to store, query and manage data.
- Write and maintain SQL queries for data extraction and transformation.
- Develop basic PL/pgSQL functions, procedures and database logic under guidance.
- Support the management and processing of geospatial data using PostGIS.
- Assist with data transformation, validation and quality checks.
- Prepare and transform datasets for reporting and visualisation.
- Support the development of data pipelines that feed Power BI dashboards and reports.
- Assist with troubleshooting data pipeline and database issues.
- Document data processes, queries and pipeline configurations.
- Work with software and data engineers to integrate data from different sources.
- Support data quality, consistency and integrity across systems.
- Participate in testing and optimisation of database queries and data processes.
- Required Skills & Qualifications
- Basic to intermediate knowledge of SQL.
- Practical knowledge of PostgreSQL.
- Basic understanding of relational database concepts and data modelling.
- Some exposure to PL/pgSQL.
- Basic understanding of data pipelines and ETL/ELT processes.
- Familiarity with data cleaning and validation.
- Basic understanding of APIs and data integration.
- Familiarity with Git/version control.
- Strong analytical and problem-solving skills.
- Willingness to learn new data technologies and work with an existing data platform.
- Desirable
- Experience with PostGIS and spatial/geographic data.
- Experience writing PL/pgSQL functions, procedures or triggers.
- Experience building data pipelines for Power BI.
- Familiarity with Power BI or other business intelligence tools.
- Experience with Python for data processing or automation.
- Exposure to Apache Airflow, Azure Data Factory, Apache NiFi or similar pipeline/orchestration tools.
- Experience working with APIs, JSON or other structured data sources.
- Experience working with health, research or other large datasets.
- 0–3 years of relevant experience is acceptable. Candidates with relevant academic projects, internships, personal projects or practical database/data engineering experience are encouraged to apply.
- Candidates should have some hands-on experience with PostgreSQL, even if they are still developing their skills in PL/pgSQL, PostGIS and data pipeline development.
- What matters most: a strong foundation in SQL/PostgreSQL, some exposure to the required technologies and the ability to learn quickly while working alongside experienced data engineers.
- Check how your CV matches this job
Method of Application
- Interested and qualified? Go to
- eHealth4everyone on e4eapplication.paperform.co
- to apply
- Build your CV for free.
- Download in different templates.