Back End Developer

Datamatics Technologies LLC; Jeddah; On-site; SAR 216,000 - 360,000; Full time

Job summary

Datamatics Technologies LLC in KSA is seeking a Backend Developer with 4–6 years of hands-on experience to design, build, and maintain scalable backend systems, APIs (RESTful/GraphQL), and robust data stores. The role focuses on security, performance, and reliability, requiring proficiency in at least one server-side language and English communication.

Candidates should have experience with SQL/NoSQL databases, API design, and collaboration with cross-functional teams.

Qualifications

• Saudi national status required; proof provided.
• 4–6 years backend development experience.
• Professional English proficiency.
• Strong knowledge of at least one server-side language (Node.js, Python, Java, C#, PHP, or Go).
• Experience with SQL and NoSQL databases.
• Experience designing RESTful APIs.

Responsibilities

• Design, develop, and maintain scalable backend architecture, APIs (RESTful/GraphQL), and server-side logic
• Write clean, efficient code in Node.js, Python, Java, C#, PHP, or Go
• Design and manage SQL and NoSQL databases for performance and integrity
• Integrate front-end elements with server-side logic
• Implement security protocols (OAuth, JWT, encryption)
• Optimize applications for speed, scalability, and reliability
• Troubleshoot bottlenecks and bugs
• Collaborate with Frontend, Product, and QA teams
• Maintain technical documentation

Skills

English proficiency

Server-side languages

SQL/NoSQL databases

RESTful APIs

Git version control

Security best practices

Problem solving & teamwork

Education

Bachelor's degree in Computer Science or related field

Tools

Git

Docker

Kubernetes

MySQL

PostgreSQL

MongoDB

Job description

Job Title: Backend Developer

Experience:4–6 Years

Location: KSA

Nationality: Saudi National Only

Languages: English (Mandatory), Arabic (Preferred)

Note: Only Saudi Nationals may apply for this position.

Summery:

We are seeking a Backend Developer (4–6 years experience) to join our team in KSA. The ideal candidate will design, develop, and maintain scalable backend architecture, APIs, and databases, while ensuring security, performance, and reliability. Proficiency in at least one server-side language (Node.js, Python, Java, C#, PHP, or Go), experience with SQL/NoSQL databases, and strong English skills are required. Arabic is preferred.

Responsibilities:

• Design, develop, and maintain scalable backend architecture, APIs (RESTful/GraphQL), and server-side logic

• Write clean, efficient code in Node.js, Python, Java, C#, PHP, or Go

• Design and manage SQL and NoSQL databases for performance and integrity

• Integrate front-end elements with server-side logic

• Implement security protocols (OAuth, JWT, encryption)

• Optimize applications for speed, scalability, and reliability

• Troubleshoot bottlenecks and bugs

• Collaborate with Frontend, Product, and QA teams

• Maintain technical documentation

Must-Have Skills:

• Saudi National (proof required)

• 4–6years backend development experience

• Professional English proficiency

• Strong proficiency in at least one server-side language (Node.js, Python, Java, C#, PHP, or Go)

• Hands-on experience with MySQL, PostgreSQL, MongoDB, or similar

• Experience designing RESTful APIs

• Proficient with Git

• Solid understanding of security best practices

• Strong problem-solving and teamwork skills

Good-to-Have Skills:

• Fluent Arabic

• KSA market or government platform experience

• AWS, Azure, or Google Cloud familiarity

• CI/CD and DevOps knowledge

• Agile methodology familiarity

• Bachelor's degree in Computer Science or related field

• GraphQL experience

• Docker and Kubernetes knowledge