Software Engineer (Mid-level)
CompanySewell Group
Location
Kingston Upon Hull, England, United Kingdom
Employment TypeFull-time
Posted At7/6/2026
UK Visa Sponsorship Analytics
Occupation TypeProgrammers and software development professionals
Occupation Code Skill LevelHigher Skilled
Sponsorship Salary Threshold
£54,700
(£28.05 per hour)
Occupation rate applies
Above analytics are generated algorithmically based on job titles and may not always be the same as the company's job classification. You can also check detailed occupation eligibility, and salary criteria on our UK Visa Eligible Occupations & Salary Thresholds page.
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Description
Location: Hybrid - a blend of home working and office based, 60/40 split (Hessle, HU13 0DH)
Hours: 8.30am-5.00pm, Monday to Friday (37.5 hours per week)
Salary: Dependant on experience, with bonus opportunity
Visa Sponsorship: This position does not meet the UK Home Office sponsorship requirements (specifically, financial thresholds). Therefore, we are unable to offer visa sponsorship.
Closing Date: 31 July 2026
Role Overview
Parallel is a fast-paced scale up with the backing of parent company Sewell Group. The business supports public sector clients across the UK to make decisions about their services, estates and budgets through the delivery of market leading web applications and data visualisation tools, including Strata.
To support growing client demands and an expanding product range, Parallel is looking to grow its software engineering team and take the business to the next level.
The Software Engineer will work alongside the Head of Software and the wider development team to deliver a series of software and data projects, to help modernise existing technology platforms and develop new products for new markets.
We are seeking a full stack Software Engineer to play an integral part in the technical delivery of the company's products. The successful candidate will have relevant commercial development experience, have great attention to detail and be a team player.
This is the perfect opportunity to work in a growing business and highly motivated team, where the exposure to multiple technologies, unique products and concurrent projects provides a continuous learning and personal development opportunity.
If you are a positive, well organised, people person, looking for an opportunity to make your mark on national products, with the backing of a nationally recognised top employer, we'd love to hear from you.
To learn more about Sewell Group and Parallel please follow the link below:
Hours: 8.30am-5.00pm, Monday to Friday (37.5 hours per week)
Salary: Dependant on experience, with bonus opportunity
Visa Sponsorship: This position does not meet the UK Home Office sponsorship requirements (specifically, financial thresholds). Therefore, we are unable to offer visa sponsorship.
Closing Date: 31 July 2026
Role Overview
Parallel is a fast-paced scale up with the backing of parent company Sewell Group. The business supports public sector clients across the UK to make decisions about their services, estates and budgets through the delivery of market leading web applications and data visualisation tools, including Strata.
To support growing client demands and an expanding product range, Parallel is looking to grow its software engineering team and take the business to the next level.
The Software Engineer will work alongside the Head of Software and the wider development team to deliver a series of software and data projects, to help modernise existing technology platforms and develop new products for new markets.
We are seeking a full stack Software Engineer to play an integral part in the technical delivery of the company's products. The successful candidate will have relevant commercial development experience, have great attention to detail and be a team player.
This is the perfect opportunity to work in a growing business and highly motivated team, where the exposure to multiple technologies, unique products and concurrent projects provides a continuous learning and personal development opportunity.
If you are a positive, well organised, people person, looking for an opportunity to make your mark on national products, with the backing of a nationally recognised top employer, we'd love to hear from you.
To learn more about Sewell Group and Parallel please follow the link below:
Home - Sewell Group (sewell-group.co.uk)
Homepage - Parallel
Key Responsibilities
As well as exhibiting our company behaviours of being Positive, Professional, Customer Focused, a Team Player and Doing the Right Thing, the successful candidates will have the following:
Essential
Homepage - Parallel
Key Responsibilities
- Design, build, and integrate AI-powered features into our products, including LLM integrations, retrieval pipelines, and agentic workflows
- Build responsive, accessible, user-friendly interfaces using Vue 3 with TypeScript, integrating with backend APIs and modern frontend tooling
- Use AI coding agents and developer tooling effectively to accelerate delivery, while maintaining a high bar for code quality, review, and security
- Collaborate with stakeholders to gather requirements and translate them into technical specifications and solutions
- Develop backend services and APIs using .NET (C#), ensuring scalability, performance, and security
- Integrate front-end and back-end components using RESTful APIs and modern JavaScript frameworks (e.g., Vue with TypeScript)
- Model and manage data across MS SQL, Postgres
- Write and maintain unit and integration tests for both front-end and back-end components to ensure code quality
- Participate in Agile development practices including sprint planning, daily stand-ups, and retrospectives
- Ensure adherence to data protection, security standards, and confidentiality requirements in all development activities
As well as exhibiting our company behaviours of being Positive, Professional, Customer Focused, a Team Player and Doing the Right Thing, the successful candidates will have the following:
Essential
- A minimum of 2 years' commercial experience in full stack software development
- Hands-on experience building and running applications on Microsoft Azure or AWS
- Practical experience using AI coding agents and assistants (e.g. Claude Code, Cursor, GitHub Copilot) as part of day-to-day development
- Solid grounding in software engineering fundamentals: OO design, clean code, version control with Git, and code review
- Experience in data manipulation and analysis
- Experience of geo-mapping formats, approaches or tools
- Experience with vector databases, embeddings, or building Retrieval-Augmented Generation (RAG) systems
- Experience with CI/CD pipelines, infrastructure as code (e.g. Bicep, Terraform), or containerisation (Docker)
- Experience building agentic workflows or working with the Model Context Protocol (MCP), tool use, or function calling
- Experience integrating LLMs or AI APIs into applications (e.g. OpenAI, Anthropic, Azure OpenAI) - including prompt design and structured outputs
- Possess a positive approach to problem solving, with a process driven method to approach design solutions and a keen eye for user experience
Sewell Group and its subsidiary businesses are equal opportunities employers, recruiting within the guidelines of the Equality Act 2010. We are committed to the promotion of diversity and equal opportunity, as an employer and in the delivery of our products and services.
As a committed safe employer, an enhanced DBS (criminal record) check will be carried out for the successful candidate of this role.
Benefits
- Competitive Salary, Dependent on experience
- Annual Bonus opportunity
- 25 days holiday (plus Bank Holidays), rising with length of service to 30 days
- Being a Co-Owner of Sewell Estates, learn more here: Employee Ownership - Sewell Group (sewell-group.co.uk)
- Auto Enrolment pension
- Staff discounts
- High Street & Retail discount schemes
- Bike 2 Work Scheme
- Technology Scheme
- Paid Parental Leave and Sickness Absence schemes