Senior Web Developer (Contract)
Location: Basingstoke, UK (Hybrid)
Start Date: ASAP
Duration: 12 months
Engagement Type: PAYE
Overview
We are looking for an experienced Senior Web Developer to join a dynamic engineering and technology environment supporting global energy and infrastructure initiatives. This role sits within a forward‑thinking team focused on modernising legacy systems, supporting digital transformation, and contributing to the transition toward low‑carbon and sustainable technologies. You’ll play a key role in upgrading internal applications, improving system integration, and ensuring secure, scalable web solutions.
Working Model
This position follows a hybrid working model, with flexibility to work remotely for up to 12 days per month. The remaining time is spent onsite at a well‑connected office location in central Basingstoke.
Key Responsibilities
Full Stack Development
* Modernise and migrate legacy in‑house applications to a unified platform
* Support transition to newer web frameworks and technologies
* Design, develop, and maintain scalable web‑based and intranet applications
Technical Delivery
* Gather and analyse business and technical requirements
* Design and manage database structures and integrations
* Interface with internal enterprise systems where applicable
* Maintain clean, up‑to‑date technical documentation
Support & Maintenance
* Provide user support, troubleshoot issues, and implement fixes
* Manage change requests and ensure controlled deployment processes
Cyber Security (Web Applications)
* Identify and remediate vulnerabilities found in security scans
* Collaborate with cross‑functional teams to resolve security issues
* Respond to cyber alerts and ensure timely mitigation actions Why Apply?
o Work on impactful projects in a rapidly evolving sector
o Gain exposure to modern technologies and large‑scale systems
o Flexible hybrid working model
o Long‑term contract stability
Required Skills & Experience
Core Technical Skills
o Strong experience with:
+ JavaScript / jQuery
+ Java / Groovy
+ HTML & CSS
o Experience with (or exposure to):
+ Grails (desirable)
+ Spring & Hibernate frameworks
+ MS SQL Server (including database design)
+ Git / DevOps version control practices
+ IDEs such as IntelliJ
Development Practices
o Experience working in Agile environments
o Strong understanding of full software development lifecycle
o Proven ability to design and deliver web‑based solutions
Professional Skills
o Proactive, self‑driven, and highly motivated
o Strong analytical and problem‑solving abilities
o Excellent communication and stakeholder engagement skills
o Ability to work independently and collaboratively
Qualifications
o Degree in a relevant field or equivalent practical experience
o Demonstrated experience in application design and development
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