Full-Stack Software Engineer (Junior - Mid Level) at Diagonally Limited

Diagonally Limited is a technology development company focused on building AI-powered platforms, SaaS products, and digital tools for businesses. We work at the intersection of software engineering, artificial intelligence, and product design to create scalable, practical solutions.

Our team develops both proprietary products and technology solutions for clients across multiple industries. We operate as a globally distributed team and collaborate with engineers and professionals from around the world.

As we grow, we are looking for talented individuals who are motivated to build high-quality technology and contribute to innovative projects.

We are recruiting to fill the position below:

Job Title: Full-Stack Software Engineer (Junior–Mid Level)

Location: Nigeria
Employment Type: Contract

Role Overview

• We are looking for a Full-Stack Engineer capable of contributing to both web platforms and mobile applications.
• The role involves building scalable SaaS systems, APIs, and interactive user interfaces.
• Engineers in this role will work across multiple projects including:
  • SaaS platforms for business automation
  • Backend services and APIs
  • Mobile applications built with React Native systems that integrate data processing, automation, and modern cloud services
• This role is ideal for engineers who enjoy working across the full product stack and solving real system design problems.

Responsibilities

• Develop full-stack web applications and SaaS platforms
• Build frontend interfaces using modern frameworks such as React or Next.js
• Develop backend APIs and services using Node.js or Python
• Design and implement relational database schemas
• Build scalable backend services supporting multiple users and workflows
• Develop and maintain mobile features using React Native
• Integrate third-party APIs and external services
• Optimize performance and maintainability of both frontend and backend systems
• Collaborate with engineering and product teams to implement new features.

Ideal Candidate

• Interested candidates should possess a Bachelor`s Degree
• 2 - 5 years of experience in full-stack development
• Strong programming fundamentals
• Ability to work across frontend, backend, and mobile systems
• Comfortable working in a startup environment with evolving requirements
• Enjoys building products and solving real system problems
• We are particularly interested in engineers who demonstrate practical project experience and strong learning ability.

Core Technical Skills
Programming:

• Strong proficiency in JavaScript / TypeScript

Frontend Development:

• Experience building web applications using:
  • React
  • Next.js
• Strong understanding of:
  • responsive UI design
  • component-based architecture
  • frontend performance optimization.
• Mobile Development:
  • Experience with React Native or strong interest in mobile development
  • Understanding of mobile UI patterns and app architecture

Backend Development:

• Experience building APIs using:
• Node.js (Express):
• Understanding of RESTful services and backend architecture

Databases:

• Experience with relational databases such as:
  • PostgreSQL
  • MySQL
• Ability to design structured schemas and data models

Software Engineering Practices:

• Git version control
• Debugging and testing workflows
• Writing maintainable and well-structured code.

Preferred (Nice to Have):

• Experience building SaaS products
• Experience with real-time features or social platforms
• Familiarity with cloud services and deployment workflows
• Experience with authentication systems and user management
• Familiarity with API integrations and microservice architecture.

Salary
500 - 1,500 pounds monthly.

Application Closing Date
2nd April, 2026.

Method of Application
Interested and qualified candidates should send their CV or resume, GitHub or portfolio (if available), and a brief description of projects they have built or contributed to: ali@diagonally.co.uk using the Job Title as the subject of the email.