Senior Web Developer
TR/081831
Posted: 14/04/2026
- Negotiable
- England, South East, Hampshire, Basingstoke
- Contract
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
Core Technical Skills
People are our business worldwide
Orion Group was founded in 1987 and is now one of the largest, independent, international recruitment companies. We have a network of 200 employees working from 24 offices, delivering a range of services – Talent Acquisition, Recruitment Outsourcing Services, Retained Search, Global Workforce Solutions, Completions & Commissioning and Materials Management – across 68 countries. As a global leader in workforce solutions, we recruit personnel across the Engineering & Technical, Office & Commercial, Scientific and Skilled Trades disciplines, for sectors including Oil & Gas, Life Science, Power & Utilities, Constructions & Infrastructure, Manufacturing and Renewables.
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
- 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
- Provide user support, troubleshoot issues, and implement fixes
- Manage change requests and ensure controlled deployment processes
- 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
- Contribute to improving overall cyber security awareness and practices
Core Technical Skills
- Strong experience with:
- JavaScript / jQuery
- Java / Groovy
- HTML & CSS
- 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
- Experience working in Agile environments
- Strong understanding of full software development lifecycle
- Proven ability to design and deliver web-based solutions
- Proactive, self-driven, and highly motivated
- Strong analytical and problem-solving abilities
- Excellent communication and stakeholder engagement skills
- Ability to work independently and collaboratively
- Degree in a relevant field or equivalent practical experience
- Demonstrated experience in application design and development
- Work on impactful projects in a rapidly evolving sector
- Gain exposure to modern technologies and large-scale systems
- Flexible hybrid working model
- Long-term contract stability
People are our business worldwide
Orion Group was founded in 1987 and is now one of the largest, independent, international recruitment companies. We have a network of 200 employees working from 24 offices, delivering a range of services – Talent Acquisition, Recruitment Outsourcing Services, Retained Search, Global Workforce Solutions, Completions & Commissioning and Materials Management – across 68 countries. As a global leader in workforce solutions, we recruit personnel across the Engineering & Technical, Office & Commercial, Scientific and Skilled Trades disciplines, for sectors including Oil & Gas, Life Science, Power & Utilities, Constructions & Infrastructure, Manufacturing and Renewables.
Calum Galvin
Senior Recruitment Consultant
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Recruitment