Back End Developer

Datamatics Technologies LLC; Riyadh; On-site; SAR 180,000 - 300,000; Full time

Job summary

Datamatics Technologies LLC in KSA is seeking a Backend Developer with 4–6 years of experience to design, develop, and maintain scalable backend architecture, APIs, and databases, ensuring security, performance, and reliability.

You will work with server-side languages such as Node.js, Python, Java, C#, PHP, or Go, and you will integrate front-end elements, implement OAuth/JWT, and collaborate with Frontend, Product, and QA teams while maintaining documentation.

Qualifications

• Saudi National (proof required).
• 4–6 years 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.

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

Saudi National

Backend experience 4-6 yrs

English proficiency

Server-side languages

SQL/NoSQL

RESTful APIs

Git

Security best practices

Teamwork

Education

Bachelor's degree in Computer Science or related field

Tools

Docker

Kubernetes

GraphQL

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