Infor is looking for a talented Principal/Senior .NET Developer to join our UK Infor SunSystems development team as we build momentum for our recently released Multi-Tenant cloud solution. SunSystems is a well-established financial management solution with a depth of functionality that attracts thousands of B2B customers in multiple verticals around the globe. The solution is combined with real time analytics and is tightly integrated into Infor’s Technology platform.
The .NET Developer would work side by side with the UK Microsoft team, and with the rest of the organization currently based in Hyderabad, India and Shanghai, China. This team will be part of a thriving local Infor community at the Infor Farnborough talent hub, working within the Development team which incorporates all software, devops, data, QA and product disciplines.
As a member of our R&D team, the .NET Developer works closely with Business Analysts, Product Owner, Product Managers, QA and Support teams to develop new functionality and provide an excellent experience for our customers and partners.
The successful candidate will be responsible for developing new software features and REST APIs, solving issues and supporting a major modernization of the product. At this level, it’s expected the developer can provide mentorship to less experienced developers, within our agile (predominantly scrum) software teams.
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Developing new software features and enhancing existing functionality, working within our agile scrum teams, alongside product owner / business analyst, developers, QA, Scrum Master.
- Our teams are based across the UK, Shanghai China, and India, achieving a level of follow-the-sun development, and you may be working in teams with individuals from these localities.
- Building out new REST APIs for use in internal API-driven development and externally for partner and third party integrations.
- Investigating customer-reported software issues, security vulnerabilities and improvements to resolve in a timely and effective manner.
- Supporting other developers with code review and shared problem solving.
- Supporting product owner in understanding complexity of work, identifying constraints and dependencies and in estimating delivery timescales.
- Working with architects and principal developers to design features and functionality and to help to articulate the future direction of development, design principles and architecture for use across SunSystems.
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Strong skills in .NET software development, with in-depth understanding of the Base Class Library (BCL), ASP.NET Core, and building production-grade Web APIs (REST, middleware pipelines, dependency injection, async/await patterns)
- Experience working in an Agile (pref. Scrum) and iterative development approach.
- Strong written and verbal communication skills in English.
- Enthusiasm and ability to collaborate well with others, including remote teams
- Professional pride, drive and curiosity, a diligent self-starter that keeps up to date with best practice and keeps your skillset sharp.
- Strong ability to think through large abstract systems and processes, comfortable problem-solving and working with data.
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Experience with AWS core services, particularly compute (ECS, Lambda), messaging (SQS, SNS, AmazonMQ), storage (S3), and configuration/secrets management (SSM Parameter Store, Secrets Manager), along with cloud-native architecture patterns such as event-driven design and distributed messaging.
- Familiarity with AI-assisted development tools such as Amazon Q Developer or Claude, and an appetite for leveraging AI tooling to accelerate development workflows, improve code quality, and explore emerging best practices.
- Experience with Enterprise, SaaS and/or web platform software development lifecycle a big plus
- Experience with some of our complementary range of technologies, e.g. Java, C++, Typescript, XHR, Tomcat, Service based architectures with HTTP (SOAP / REST APIs) integrations, AWS, Microsoft SQL Server or similar RDBMS,
- Experience with CI/CD toolchains, Gitlab Pipelines / Runners IDE (Visual Studio / Rider / VS Code), PowerShell, Jenkins, Git
- Experience with message broker systems (e.g. ActiveMQ, RabbitMQ, SQS) and async messaging patterns
- Experience with cloud observability tooling (e.g. Sumo Logic, CloudWatch) and structured logging practices
- Familiarity with security scanning tooling (e.g. Veracode) and integrating vulnerability management into CI/CD pipelines
- Experience with reporting frameworks (such as SQL Server Reporting Services) or document rendering pipelines
- Strong PowerShell scripting skills, including REST API integrations and workflow automation
- Customer focused mindset, with the ability to understand end user requirements and consider how users work with software that you develop.
- Understanding of Accounting/Reporting/Financial applications, or experience with or exposure to Infor SunSystems and Query and Analysis, beneficial but not required.
About Infor
Infor is where ambition meets impact. Join a global community of bold thinkers and innovators, where your expertise doesn't just solve problems. it shapes industries, unlocks opportunities, and creates real-world impact for billions of people. At Infor, you're not just building a career. you're helping to build what's next.
Infor is a global leader in business cloud software products for companies in industry specific markets. Infor builds complete industry suites in the cloud and efficiently deploys technology that puts the user experience first, leverages data science, and integrates easily into existing systems. Over 60,000 organizations worldwide rely on Infor to help overcome market disruptions and achieve business-wide digital transformation.
For more information visit www.infor.com
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At Infor, we strive for an environment that is founded on a business philosophy called Principle Based Management™ (PBM™) and eight Guiding Principles: integrity, stewardship & compliance, transformation, principled entrepreneurship, knowledge, humility, respect, self-actualization.
We have a relentless commitment to a culture based on PBM™. Informed by the principles that allow a free and open society to flourish, PBM™ prepares individuals to innovate, improve, and transform while fostering a healthy, growing organization that creates long-term value for its clients and supporters and fulfillment for its employees.
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