Frontend Developer

Hybrid

London, United Kingdom

Freelance

26-03-2025

Share this job:

Score my CV

Job Specifications

Lead Frontend Engineer – NextJS & App Router

We’re looking for a Frontend Lead Engineer for an ongoing contract with a Telecommunications client in West London. you'll have a solid Front End Development background along with strong NextJS with App Router experience & Headless CMS, React (NextJS), Vue, or Angular.

Extensive experience in building scalable, performant web applications.
NextJS, React, Headless CMS, Vue, Angular
They take ownership of complex frontend features, ensuring high-quality, accessible, and responsive UI design.
The Frontend Lead Engineer plays a key role in technical decision-making, contributes to code reviews, and guides junior engineers in best practices.
They collaborate closely with design, backend, and product teams to implement cohesive user experiences and drive continuous improvement in frontend standards and practices.

London/Paddington 2-3 days per week, 6 months to start

About the Company

Simon James IT is an international specialist IT consultancy based in the City of London. Coming from successful consultancy backgrounds we have taken the positive elements of large scale recruitment and built a business model to provide a personalized solution for your recruitment needs. We offer a dedicated service to ensure you get the best possible candidates within both your timescales and budget. Our business has grown organically from building solid foundations within niche technology areas and working closely wit... Know more

Related Jobs

Company Name: Assala Energy
Job Title: SharePoint Developer and Support Consultant
Job Description: Assala Energy is a dynamic Oil and Gas Exploration and Production company committed to the sustainable development of its assets in Gabon. We value a collaborative approach, promote diversity, and prioritize safety and integrity in all our operations. We are seeking a SharePoint/Microsoft 365 Consultant to provide the following services to our IT Services team (6 months Contract). The consultant will work on developping a wide range of applications and business processes based on the Microsoft M365 stack. This engagement offers an exciting and unique opportunity for the consultant to utilise their existing knowledge of SharePoint Online development and the range of M365 applications to help develop our SharePoint infrastructure. The consultant will gather requirements from various stakeholders and turn those ideas into working systems that will enhance business efficiency and ultimately have a positive impact on the user experience. Scope of Work The consultant will provide the following services: Development and Support: Design, develop, configure, and implement SharePoint Online applications using SharePoint Framework (SPFx), Client Side Object Model (CSOM), and SharePoint REST service Create and maintain custom SharePoint Online sites and solutions Develop Power BI Business Intelligence reports and dashboards Manage site content, capabilities, and maintenance of existing portals Power Platform Expertise: Utilise Power Apps, Power Automate, and Power BI to build enterprise-scale applications and solutions Ensure adherence to processes, standards, and best practices Communication and Training: Communicate effectively with technical and non-technical stakeholders Train business users of all levels and abilities Capture, confirm, and document requirements from users and stakeholders Security and Compliance: Ensure access to information is restricted to authorised personnel Collaborate with the Cybersecurity team to address SharePoint security vulnerabilities Support and Reporting: Action assigned ServiceNow support tickets (both incidents and requests) Prepare monthly performance reports for the IT Director Additional Services: Experience with SharePoint's application services framework, including Search, Managed Metadata, and User Profile Services Knowledge of 3rd party tools such as Sharegate. Full scope of work with deliverables and objectives will be made available during a technical validation meeting. This is a contract opportunity offered subject to IR35 compliance checks. Requirements Profile of the Consultant Experience: Proven experience in developing and supporting SharePoint Online environments Strong background with Power Platform (Power Apps, Power BI, Power Automate) Familiarity with Azure DevOps or similar tools Development experience with C#, .NET, Web Services, Web Forms, MVC, JavaScript, jQuery, CSS, HTML, React, JSON, Web APIs, Visual Studio, and API integrations is beneficial but not required Excellent communication skills, both verbal and written Ability to work independently and complete tasks with minimal supervision Attention to detail and commitment to high-quality, error-free deliverables Experience in developing ServiceNow environments is a plus

Hammersmith, United Kingdom

On site

Freelance

17-04-2025

Company Name: RE Partners
Job Title: Java Developer (with DevOps focus)
Job Description: We are looking for a skilled Java Developer with DevOps knowledge to join our DevSecOps team. If you're passionate about automation, security, and scalable software development, this role offers the opportunity to build plugins, develop REST APIs, and enhance CI/CD workflows—all while ensuring security doesn’t slow down business operations. What You’ll Do: Develop Gradle/Maven/npm/PyPi plugins for SBOM collection and security scanning Build and maintain REST API microservices using Java 17 (and occasionally Go), deploying them on OpenShift/Kubernetes Integrate security tools like Snyk, BlackDuck, OWASP DependencyTrack, and Artifactory into our CI/CD pipelines Work with Jenkins, TeamCity, and Tekton to optimize and maintain our DevSecOps toolchain Collaborate with developers worldwide to streamline integrations and improve development workflows What We’re Looking For: Strong Java development experience (especially in web-based applications) Understanding of DevSecOps principles (Shift Left, SCA, SAST) Experience with Linux, Bash scripting, and containerization tools (Docker, Kubernetes, OpenShift) Bonus Points If You Have: Experience with JavaScript, TypeScript, Go, or Python Familiarity with PostgreSQL Cybersecurity experience Prior DevOps engineering experience Tech Stack: Java 17 Gradle Maven JavaScript npm/yarn Go Python Jenkins TeamCity Tekton BitBucket Artifactory OpenShift uDeploy HashiCorp Vault CyberArk PostgreSQL Why Join Us? Wellness & fitness packages Continuous education & certifications Paid time off & holidays Professional conferences & training Global team-building activities Access to co-working spaces worldwide Who We Are: We’re a fast-growing business & technology consulting company, trusted by Fortune 500 clients. Founded in 2019, we believe in getting things done, overcoming challenges, and caring about our work. Our 7% attrition rate speaks volumes about how much we value our people. We are an equal opportunity employer and welcome applications from all backgrounds. Ready to make an impact? Apply now!

London, United Kingdom

Hybrid

Freelance

17-04-2025

Company Name: Synchro
Job Title: 1st Line Support Engineer
Job Description: 1st Line Support Engineer – 3-Month Contract (Extension Available) – OUTSIDE IR35 – Onsite - Runcorn, UK We’re seeking an experienced 1st Line Support Engineer to provide onsite IT support for one of our clients in Runcorn, UK. This is an initial 3-month contract, with the possibility of extension. The role requires hands-on IT support across Windows environments, Microsoft 365, Active Directory, and remote access tools. 1st Line Support Engineer Requirements: Experience handling and resolving 1st Line IT support tickets efficiently. Strong working knowledge of Windows Server, Office 365, and Active Directory. Familiarity with Entra ID (Azure AD) and user account management. Experience providing onsite IT support in a fast-paced environment. Knowledge of remote access tools and troubleshooting connectivity issues. Experience using ServiceNow or similar ITSM ticketing systems. Experience working in a healthcare environment is advantageous. Details: Role: 1st Line Support Engineer Location: Onsite in Runcorn, UK Contract Length: Initial 3 Months (Extension Available) Day Rate: Up to £150 - £175 per day (Outside IR35) Take the next step in your IT Support Engineer career and join our client. If you meet the requirements and are excited about this opportunity, please get in touch with Harry Egginton at Synchro Recruitment to discuss the role in detail.

Runcorn, United Kingdom

On site

Freelance

17-04-2025

Company Name: Mastercall Healthcare
Job Title: Software & DevOps Engineer
Job Description: Job Summary We are looking for a Software & DevOps Engineer to join our Data Engineering & Analytics Team directly sponsored by the Deputy CEO and working at the heart of our organisation digital transformation. As the sole Software Engineer, you will play a critical role in enhancing digital services, improving operational workflows, and supporting data-driven decision-making. You will develop bespoke web-based applications (both internet and intranet facing), design APIs, and create automation workflows to streamline healthcare and business processes. The role also includes cloud infrastructure management, modern DevOps practices, and a strong focus on building secure, scalable, and performant systems. You will work closely with the Head of Data Engineering & Analytics and have direct engagement with the Executive Team, giving you unique insight into the organisations priorities and a platform to help shape them through technology. The organisation is also home to Mastercall UXT User Experience Technology, an award-winning wing of the business delivering analytics and IT solutions, reflecting our broader commitment to innovation, usability, and real-world impact. This permanent full-time opportunity, salary £42,000. You must have the right to work in the UK as we are unable to offer visa sponsorship for this role or offer any extensions to visa sponsorship Main duties of the job Software Development & System Integration Design, develop, and maintain web-based internal & public facing applications and interfaces using Python (Django/Flask/Streamlit) and modern web frameworks. Develop and maintain RESTful / GraphQL APIs and system integrations to enable seamless data exchange between NHS and internal systems. Work on SaaS development projects to customise and optimise internal, external & third-party cloud-based services. Integrate AI and machine learning solutions to support clinical and operational decision-making. Collaborate with Data Engineers and Analysts to create tools that support data processing and analytics workflows. DevOps & Cloud Infrastructure Deploy and manage applications on the Azure cloud platform. Implement and manage CI/CD pipelines to ensure smooth deployment processes. Automate infrastructure provisioning using Infrastructure as Code (IaC) tools where required. Monitor system performance and troubleshoot application issues to ensure high availability and reliability. Security & Compliance Implement security best practices for software development, cloud infrastructure, and data handling. Ensure compliance with NHS Digital, GDPR, and cybersecurity (ISO 27001) standards. Ensure AI models and tools adhere to ethical AI principles, avoiding bias and ensuring explainability. Regularly review system vulnerabilities and apply patches, updates, and enhancements. About Us Mastercall Healthcare is an award-winning social enterprise organisation providing NHS services accredited by the Social Enterprise Mark. With over 28 years experience as an innovative high performing organisation, we are passionate about providing the very best patient care at the very best place for the patient. At Mastercall we welcome applicants from diverse cross section of society who will uphold our culture and ethos as we embark on our future opportunities and continue our transformation journey. Benefits Flexible working hours Hybrid working Living Wage Employer NHS Pension Scheme NHS Blue light card / discount scheme Career development Generous holiday entitlement, long service enhancements and the option to purchase additional leave Wellbeing schemes Date posted 16 April 2025 Pay scheme Other Salary £42 a year Depending of Experience Contract Permanent Working pattern Full-time, Flexible working, Home or remote working Reference number B0540-25-0009 Job locations International House Pepper Road Stockport SK7 5BW Job Description Job responsibilities We are looking for a Software & DevOps Engineer to join our Data Engineering & Analytics Team directly sponsored by the Deputy CEO and working at the heart of our organisations digital transformation. As the sole Software Engineer you will play a critical role in enhancing digital services, improving operational workflows and supporting data-driven decision making. You will develop bespoke web-based applications both internet and intranet facing design APIs, and create automation workflows to streamline healthcare and business processes. The role also includes cloud infrastructure management, modern DevOps practices, and a strong focus on building secure, scalable, and performant systems. You will work closely with the Head of Data Engineering & Analytics and have direct engagement with the Executive Team, giving you unique insight into the organisations priorities and a platform to help shape them through technology. The organisation is also home to Mastercall UXT User Experience Technology, an award-winning wing of the business delivering analytics and IT solutions, reflecting our broader commitment to innovation, usability, and real-world impact. This is a unique opportunity for a talented developer to take end-to-end ownership of software delivery within the organisation, leading the design and implementation of internal and external-facing web applications, cloud-native services, and AI-integrated solutions that improve healthcare operations and decision-making. You will be well-positioned to build, lead, and grow a Software Engineering capability from the ground up with the potential to shape the team and its direction as the function scales. You will also be empowered to explore and embed AI tools and models to enhance analytics, automate decision-support, and unlock new value across the organisation. Responsibilities Job description Job responsibilities We are looking for a Software & DevOps Engineer to join our Data Engineering & Analytics Team directly sponsored by the Deputy CEO and working at the heart of our organisations digital transformation. As the sole Software Engineer you will play a critical role in enhancing digital services, improving operational workflows and supporting data-driven decision making. You will develop bespoke web-based applications both internet and intranet facing design APIs, and create automation workflows to streamline healthcare and business processes. The role also includes cloud infrastructure management, modern DevOps practices, and a strong focus on building secure, scalable, and performant systems. You will work closely with the Head of Data Engineering & Analytics and have direct engagement with the Executive Team, giving you unique insight into the organisations priorities and a platform to help shape them through technology. The organisation is also home to Mastercall UXT User Experience Technology, an award-winning wing of the business delivering analytics and IT solutions, reflecting our broader commitment...

Bramhall, United Kingdom

On site

Freelance

18-04-2025