The Backend Developer Intern will support the development, testing, and maintenance of the server-side components of our applications, working with the development team to build APIs, implement business logic, work with databases, integrate third-party services, and help ensure our applications are secure, reliable, and scalable.

• Job Location: Lagos
• Employment Type: Internship
• Salary: Not stated

Tezza Business Solutions LLC is a technology company focused on building real-world digital products. The company provides opportunities for recent graduates and early-career professionals to gain hands-on experience while working alongside experienced developers, designers, and product team members.

• Assist in developing and maintaining backend services and REST APIs.
• Implement application business logic based on product requirements.
• Work with relational databases such as PostgreSQL or MySQL.
• Assist with database schema design, queries, migrations, and data validation.
• Integrate third-party services and APIs.
• Implement authentication, authorization, and access-control features.
• Help identify and fix backend bugs.
• Write clean, reusable, and maintainable code.
• Participate in code reviews and technical discussions.
• Write unit and integration tests for backend functionality.
• Assist with API documentation.
• Use Git and GitHub for source control and collaboration.
• Work with frontend developers to integrate APIs.
• Follow security and data-protection best practices.

• Basic understanding of JavaScript and/or TypeScript.
• Familiarity with Node.js.
• Knowledge of backend frameworks such as NestJS, Express.js, or similar technologies.
• Basic understanding of SQL and relational databases.
• Familiarity with REST APIs and JSON.
• Basic understanding of authentication concepts such as JWT, sessions, and role-based access control.
• Familiarity with Git and GitHub.
• Understanding of HTTP methods, status codes, and client-server architecture.
• Strong willingness to learn.
• Good problem-solving skills.
• Ability to understand technical requirements.
• Attention to detail.
• Ability to communicate problems clearly.
• Comfortable asking questions when requirements are unclear.
• Ability to work collaboratively with other developers and designers.
• Be a recent graduate, self-taught professional, or individual building an early career.
• Have basic knowledge of the role.
• Be willing to learn and work on real products.
• Be able to communicate effectively with team members.
• Be responsible with assigned tasks and deadlines.
• Be comfortable receiving constructive feedback.
• Demonstrate curiosity, initiative, and willingness to improve.
• Have access to a reliable computer and internet connection.
• Previous professional experience is not mandatory. Personal projects, school projects, portfolio projects, open-source contributions, or other demonstrations of practical ability may be considered.

How to Apply
Interested candidates should Apply here.

Why This Job Might Be a Good Fit
This role is ideal for an entry-level developer or recent graduate based in Lagos who is eager to gain hands-on experience building real-world backend applications. It offers mentorship, a monthly stipend, and the opportunity to work on production-oriented projects while collaborating with experienced developers and product teams.

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