Software Engineer

Once For All is a high-growth, cloud-based, SaaS subscription business. Our technology helps our customers to manage their supply chain governance, risk management, and compliance. We work across the public and private sectors and have over 250k customers across the UK, spanning 20 different sectors including construction, transport, retail, hospitality, education, facility and property management, manufacturing, and local and central government.

Role Summary:

The Strategic Schemes development team within Once For All is responsible for delivering a SaaS platform across multiple sectors to Tier 1 clients in the UK’s largest industries. Our .NET Webforms application is used by around 25,000 companies globally and is hosted on Microsoft Servers in IIS, with a MS SQL database and several supporting .NET APIs and services.

We are seeking an experienced software developer to continue delivering new functionality to this platform, maintain ongoing technical support, and provide our clients with a best-in-class software offering. The successful candidate will participate in developing and monitoring new features, maintaining quality documentation, and ensuring high standards across software monitoring and support.

Knowledge, Skills, Experience, and Qualifications:

1. Proven experience in developing exceptional software that enhances functionality for clients and products.
2. Experience in conducting code reviews and refactoring existing code into a scalable N-tier architecture.
3. Participation in agile ceremonies and experience scheduling and releasing deployments using CI/CD pipelines.
4. Essential: Multiple years using C# for web applications (preferably Webforms), with proficiency in HTML/CSS .
5. Experience working with, integrating, and creating REST APIs.
6. Strong proficiency in SQL Server / TSQL, outside of ORM usage.
7. Experience with Unit Testing, CI/CD pipelines, and Agile methodologies.
8. Knowledge of applications hosted on IIS servers, with understanding of design patterns and principles, applying the best practices for scenarios.
9. Ability to create technical specifications and estimates, and take ownership of incidents from inception to resolution.
10. Experience with monitoring tools (e.g., Geneos, Grafana, Azure Monitor).
11. Ability to prioritize business needs based on SLAs and mentoring experience with junior developers.

What We Offer:

Alongside a career in a fast-paced, expanding business, we offer the following benefits:

• Wellness fund or Private Medical Insurance (dependent on role)
• Pension
• Life Assurance x 3
• 25 days holiday plus 8 Bank Holidays
• Ongoing professional development (CPD)
• Holiday purchase scheme up to 5 days
• 1 paid and 1 unpaid volunteering day
• Team and company offsite events
• Specsavers eye care voucher
• Free tea, coffee, and fruit every week – Basingstoke office

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