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Back End Developer
Tizo is looking for multiple developers with the following skills for a 3-6 month contract:
About Tizo
Tizo is transforming how organisations manage customer journeys with a single, intelligent, configurable case management platform.
Tizo digitally transforms workflows, compliance, and delivers better outcomes for customers and their consumers.
The ideal candidate will be responsible for developing high-quality applications. They will also be responsible for designing and implementing testable and scalable code.
The Role
We are looking for a skilled Backend Developer to join our team and contribute to the ongoing development of a large-scale project. This role focuses on building new features, modernising legacy systems, and working closely with clients to deliver robust, scalable solutions. You will play a key role in shaping the backend architecture and ensuring seamless integration with a modern frontend built in React. The ability to also work on frontend systems using NextJS would be useful but not essential.
Key Responsibilities
- Develop and deliver new backend features for a large, active project
- Ensure all backend functionality is exposed via our restful API, enabling consumption by a React-based frontend
- Design, build, and maintain scalable RESTful APIs aligned with API v3 standards
- Maintain, optimise, and enhance existing systems
- Refactor and redevelop legacy code to meet modern coding standards and best practices
- Collaborate directly with clients during product build and iteration
- Work closely with frontend developers to ensure smooth data flow and integration
- Follow and promote MVC architecture principles in backend development
- Participate in code reviews and contribute to continuous improvement
- Troubleshoot, debug, and resolve technical issues
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Technical Skills & Experience
Backend & Architecture
- Strong experience with OOP PHP
- Solid understanding of MVC (Model–View–Controller) architecture and its practical application
- Experience working with MVC frameworks such as Laravel, CodeIgniter, Symfony, or similar
- Ability to structure applications cleanly with separation of concerns (models, controllers, services, etc.)
- Strong experience designing and maintaining API-driven architectures
- Understanding of scalable system design and modular architecture
Databases (SQL)
- Strong experience with relational SQL databases such as MySQL, MariaDB, and PostgreSQL
- Proficient in writing, optimising, and debugging complex SQL queries
- Experience designing efficient database schemas and managing migrations
- Understanding of indexing strategies, query optimisation, and performance tuning
- Strong understanding of data integrity, relationships, and transactional systems
APIs & Integration
- Strong experience designing, building, and maintaining RESTful APIs
- All backend services must be exposed via API v3 to support a React frontend application
- Experience ensuring consistent, well-structured API responses for frontend consumption
- Understanding of API versioning strategies and backward compatibility
- Experience integrating third-party services and external systems
- Knowledge of API security, authentication, and authorisation (e.g., JWT, OAuth)
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Frontend Collaboration (React Integration)
- Experience working in API-first architectures supporting modern frontend frameworks such as React
- Ability to collaborate closely with frontend developers to define data contracts
- Understanding of how backend responses are consumed and rendered in frontend applications
- Awareness of performance considerations for frontend data consumption (payload size, pagination, caching)
Tools & Practices
- Experience with version control systems (e.g., Git)
- Familiarity with modern development practices (CI/CD, code reviews, testing)
- Understanding of deployment processes and cloud environments is a plus
Personal Attributes
- Flexible and adaptable in a fast-changing project environment
- Open, honest, and transparent communicator
- Confident in contributing ideas and technical discussions
- Strong team player who collaborates effectively with developers and stakeholders
- Excellent problem-solving and analytical thinking skills
- Self-motivated with a proactive approach to work
Why this role?
- Opportunity to work on a large and evolving product
- Involvement in modernising and improving legacy systems
- Close collaboration with clients and stakeholders
- Supportive and collaborative development culture
- Opportunities for growth and continuous learning
- Remote working
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