React.js Developer / Custom Software Engineer
Posted Today by TekWissen ®
Negotiable
Undetermined
Undetermined
London Area, United Kingdom
Summary: The React.js Developer / Custom Software Engineer role involves joining a dynamic Software Engineering team to deliver high-quality digital solutions for a global financial client. The position requires designing, developing, and enhancing scalable web and mobile applications using React.js and modern frameworks. Candidates should possess strong technical skills and a collaborative working style to contribute effectively to team decisions. The role is suitable for junior to mid-level engineers with 2-4 years of hands-on experience in React.js development.
Key Responsibilities:
- Design, build, and maintain responsive applications using React.js
- Develop reusable, efficient, and scalable front-end components
- Work on cross-platform solutions using React Native
- Collaborate with product owners, designers, testers, and backend developers
- Participate in architecture and technical design discussions
- Troubleshoot issues and deliver innovative solutions
- Ensure code quality, performance, and maintainability
- Support junior team members through knowledge sharing and mentoring
- Align technical delivery with business requirements and timelines
Key Skills:
- Advanced experience in React.js
- Strong understanding of JavaScript ES6+, HTML5, CSS3
- Experience with component-based architecture and state management
- Exposure to React Native
- Knowledge of software engineering best practices
- Understanding of Agile / Scrum delivery models
- Problem-solving and debugging skills
- Strong communication and teamwork skills
- Experience in financial services or enterprise environments (preferred)
- Familiarity with CI/CD pipelines (preferred)
- Exposure to cloud platforms and API integrations (preferred)
- Understanding of scalable system design principles (preferred)
Salary (Rate): undetermined
City: London
Country: United Kingdom
Working Arrangements: undetermined
IR35 Status: undetermined
Seniority Level: undetermined
Industry: IT
Job Title: React.js Developer / Custom Software Engineer
Location: London
Duration: 6 Months
Overview: TekWissen Group is a workforce management provider throughout the UK, Europe and many other countries in the world. The client below is a global professional services company with leading capabilities in digital, cloud, and security. Combining unmatched experience and specialized skills across more than 40 industries
Role Overview
We are looking for a skilled React.js Developer to join a dynamic Software Engineering team delivering high-quality digital solutions for a leading global financial client. You will design, develop, and enhance scalable web and mobile applications using modern frameworks and agile methodologies. This role requires strong technical capability, collaborative working style, and the ability to contribute to team decisions while ensuring delivery excellence.
Key Responsibilities
- Design, build, and maintain responsive applications using React.js
- Develop reusable, efficient, and scalable front-end components
- Work on cross-platform solutions using React Native
- Collaborate with product owners, designers, testers, and backend developers
- Participate in architecture and technical design discussions
- Troubleshoot issues and deliver innovative solutions
- Ensure code quality, performance, and maintainability
- Support junior team members through knowledge sharing and mentoring
- Align technical delivery with business requirements and timelines
Required Skills
- Advanced experience in React.js
- Strong understanding of JavaScript ES6+, HTML5, CSS3
- Experience with component-based architecture and state management
- Exposure to React Native
- Knowledge of software engineering best practices
- Understanding of Agile / Scrum delivery models
- Problem-solving and debugging skills
- Strong communication and teamwork skills
Preferred Skills
- Experience in financial services or enterprise environments
- Familiarity with CI/CD pipelines
- Exposure to cloud platforms and API integrations
- Understanding of scalable system design principles
Experience Required
2–4 years of hands-on experience in React.js development
Suitable for junior to mid-level engineers ready to take ownership of modules and components
TekWissen® Group is an equal opportunity employer supporting workforce diversity