Senior Software Developer (C#/.NET)

Pinewood.AI; Greater London; On-site; GBP 70,000 - 110,000; Full time

Job summary

Pinewood.AI in Marylebone, London, is seeking experienced Senior Developers to join our enterprise-scale SaaS platform. You will design, build, and deliver scalable software using C#, .NET / .NET Core, Razor, Web API, SQL Server, HTML and JavaScript.

You will work with Product Owners, QA and UI/UX teams to implement robust integrations and features across the full stack. As a hands-on senior, you will contribute to architecture discussions, CI/CD pipelines, and engineering practices while

Qualifications

• Senior Developer with SaaS or enterprise software experience
• Hands-on in design, development, and delivery across the full .NET stack
• Experience integrating third-party systems via REST APIs
• Strong problem-solving and collaboration skills

Responsibilities

• Design, develop, and deliver enterprise-level software for the Pinewood Automotive Intelligence Platform
• Remain hands-on across the full .NET stack with C#, .NET Core, Razor, Web API and SQL Server
• Collaborate with Product Owners, testers, UI/UX and engineering teams to deliver new functionality and integrations
• Contribute to CI/CD pipelines, tooling, and engineering practices to ensure scalable, secure solutions
• Mentor peers, perform code reviews, and promote best practices across the team
• Diagnose performance issues and optimise database design and queries

Skills

C#

NET Core

Razor

Web API

SQL Server

HTML

JavaScript

REST APIs

Azure Cloud

Azure DevOps

CI/CD

Visual Studio

VS Code

Agile

SaaS

Enterprise software

Tools

Azure DevOps

Visual Studio

VS Code

SQL Server

ASP.NET

Entity Framework

Job description

• Pinewood.AI is looking for experienced hands-on Senior Developers to play a key role in our software development teams based in Marylebone
• Working closely with Lead Developers, Engineering colleagues, Product, testers, and other colleagues across the wider business, you will support the delivery and ongoing development of our Automotive Intelligence Platform
• As a senior member of the team, you will contribute to the design, development, and delivery of high-quality, scalable solutions for the Pinewood Automotive Intelligence Platform, our enterprise-scale SaaS product used by automotive retailers and OEMs worldwide
• Design, develop, and enhance enterprise-level software solutions using C#, .NET / .NET Core, Razor, Web API, SQL Server, HTML, and JavaScript
• Work closely with Product Owners, testers, UI/UX specialists, and Engineering colleagues to deliver new functionality, improvements, and integrations with third-party systems
• Remain hands-on in coding, solution design, and development across the full .NET stack
• Develop and maintain integrations with third-party platforms using APIs and other integration methods
• Support best practices across development, testing, and deployment to ensure scalable, secure, and maintainable solutions
• Contribute to CI/CD pipelines, development tooling, and engineering practices alongside the wider Engineering team
• Participate in technical discussions and contribute ideas that support product improvement and delivery effectiveness
• Diagnose complex technical issues, including integration challenges, data consistency issues, and performance improvements
• Support knowledge sharing and code quality through peer reviews and collaboration
• Contribute to a collaborative engineering culture focused on clean, efficient code and practical delivery
• This is an opportunity to join a well-established engineering team working on a global SaaS platform used by automotive retailers and OEMs around the world
• You will be hands-on in the development of new product features, integrations, improvements, and bespoke customer solutions, with the chance to work within a complex enterprise environment
• Working closely with Product, UI/UX, testing colleagues, and the wider business, you will help deliver practical, high-quality solutions that make a real difference to our customers

Solid understanding of database design, performance optimisation, and query tuningStrong understanding of software development practices and agile delivery methodsExperience building and supporting integrations with third-party systems using REST APIs or similar technologiesStrong analytical and problem-solving skills, with a passion for clean, efficient, and maintainable codeExperience delivering front-end functionality using HTML, JavaScript, and RazorProven experience as a Senior Developer within a SaaS or enterprise software environmentExperience working across the full software development lifecycle, from concept through to production supportExperience in enterprise SaaS industries, or with complex, high-availability platforms, would be beneficialPractical experience working with Azure Cloud Services and Azure DevOps, or equivalent CI/CD toolingStrong hands-on expertise in C#, .NET / .NET Core, and SQL / T-SQLProficiency with Visual Studio or VS CodeThis role is ideal for a strong, hands-on developer who enjoys building new product features, developing integrations with third-party systems, and working across the full software development lifecycle while supporting high engineering standards within a collaborative team environment