Senior Backend Developer — Java / SQL Vacancy: Tech & Enterprise Systems in Doha, Qatar (October 2026)
Wings Technical Services in Qatar is actively seeking a highly skilled and experienced Senior Backend Developer — Java / SQL for a full-time, project-based deployment in Doha. This core engineering role is responsible for architecting, building, and maintaining high-performance Java backend services, engineering microservices architectures, optimizing complex database queries, and managing end-to-end SQL database security, performance, backups, and disaster recovery.
If you possess 7+ years of hands-on Java microservices development and SQL database optimization experience (SQL Server and/or PostgreSQL), review the complete job specifications and eligibility criteria below and submit your application to the recruitment team.
Position Overview & Key Details
- Job Position: Senior Backend Developer — Java / SQL
- Hiring Entity: Wings Technical Services
- Work Location: Doha, Qatar
- Employment Status: Full-Time, Project-Based
- Posting Date: October 5, 2026
- Industry Sector: Information Technology, Software Engineering & Enterprise Solutions
- Salary Package: Not Disclosed (Commensurate with experience)
- Official Direct Application Email: hr@wtsqatar.org
1. Key Responsibilities & Technical Scope
As a Senior Backend Developer with Wings Technical Services, your daily engineering and database management duties will include:
- Architecting, building, testing, and maintaining robust, scalable backend services and RESTful APIs using modern Java frameworks.
- Designing, deploying, and maintaining microservices architectures to support enterprise software systems and client applications.
- Writing, tuning, and optimizing complex SQL queries, stored procedures, indexes, and execution plans for peak database performance.
- Managing SQL database security, access controls, data integrity, routine backups, and disaster recovery protocols.
- Executing comprehensive relational database schema design, data modeling, normalization, and performance benchmarking.
- Collaborating with front-end engineers, DevOps teams, and project managers to deliver secure and scalable software solutions (including oil and gas enterprise tools).
2. Candidate Eligibility & Qualification Criteria
Applicants for the Senior Backend Developer position must satisfy the following academic background, software capabilities, and technical experience thresholds:
| Requirement Category | Mandatory Qualification & Experience |
|---|---|
| Educational Background | Bachelor's degree in Computer Science, Computer Engineering, Management Information Systems (MIS), or a related field. |
| Professional Experience | 7+ years of dedicated hands-on experience in Java backend engineering and SQL database management. |
| Database Expertise | Deep hands-on experience with Microsoft SQL Server and/or PostgreSQL, including database design, query optimization, and maintenance. |
| Core Technical Skills | Proven track record in microservices design, Java framework proficiency, and backend database security protocols. |
| Preferred Industry Experience | Prior software development or technical engineering experience within the Oil & Gas sector is highly preferred. |
3. How to Apply for This Position
Qualified software engineers and backend developers meeting all criteria are invited to submit their application directly to the corporate HR department:
Direct Corporate Contact:
- Application Email: hr@wtsqatar.org
- Recommended Subject Line: "Application: Senior Backend Developer — Java / SQL - [Your Name]"
- Required Document Attachments:
- Updated Curriculum Vitae (CV) highlighting Java, microservices, and SQL database optimization experience
- Copy of Bachelor's Degree / Technical Degree Certificates
- Copy of Valid Qatar ID (QID) & Visa Status (if currently based in Qatar)
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