Sr. Software Development Engineer C#

When joining PerkinElmer, you select an experienced and trusted leader in scientific solutions, with the support of a global service network and distribution centers, providing the right solution, at the right time, to meet critical customer needs.  With over an 80+ year legacy of advancing science and a mission of innovating for a healthier world, our dedicated team collaborates closely with commercial, government, academic and healthcare customers to deliver our broad portfolio of analytical solutions, and OneSource services.

Job Title

Sr. Software Development Engineer C#

Location(s)

Shanghai

Job Description

Key Responsibilities

• Host Software Architecture & Development: Design and implement scalable backend architectures for analytical instrument host software using C#/.NET, ensuring reliability, performance, and maintainability across the full software lifecycle.
• Instrument Integration: Develop communication protocols and middleware layers to interface with embedded systems, hardware controllers, and front-panel electronics across spectroscopy (UV, IR, AA), chromatography (GC, LC, GC-MS, LC-MS), and thermal analysis (TGA, DSC, STA) instruments.
• Data Management: Build high-throughput data acquisition, storage, and processing pipelines capable of handling large analytical datasets in real time; implement efficient database schemas and optimize query performance for scientific data workloads.
• API & Service Development: Design and develop ASP.NET Core RESTful APIs, microservices, and gRPC services that support desktop clients, web interfaces, and third-party system integrations (e.g., LIMS, CDS).
• Cross-functional Collaboration: Work closely with hardware engineers, firmware developers, application scientists, and UI/UX teams to define software requirements, troubleshoot integration issues, and deliver cohesive instrument software solutions.
• Quality & Compliance: Ensure software quality through comprehensive unit testing, integration testing, and peer code reviews; adhere to software development best practices and industry regulations relevant to scientific instrumentation (e.g., GxP, FDA 21 CFR Part 11 where applicable).
• Technical Leadership: Mentor junior developers, contribute to system architectural decisions, and drive continuous improvement in development processes, tooling, and engineering standards.

Required Qualifications

• Education: Bachelor's degree or higher in Computer Science, Software Engineering, or a related technical discipline.
• Experience: 5+ years of professional backend software development experience with demonstrated expertise in C# and the .NET ecosystem.
• Technical Expertise:
  • Deep proficiency in .NET Framework / .NET Core / .NET 5+, including asynchronous programming (async/await), multithreading, and performance optimization.
  • Expert-level knowledge of ASP.NET Core, RESTful API design, and service-oriented architectures.
  • Strong experience with relational databases (SQL Server, PostgreSQL) and ORM technologies (Entity Framework Core, Dapper).
  • Familiarity with messaging systems, caching strategies, and distributed systems design principles.
  • Solid understanding of software design patterns, SOLID principles, and clean architecture practices.
  • Experience with version control systems (Git) and CI/CD pipelines.
• Communication: Professional working proficiency in English (both written and verbal); ability to communicate complex technical concepts clearly to diverse stakeholders.
• Mindset: Strong analytical and problem-solving skills; self-motivated with a passion for building high-quality software in a collaborative, cross-functional environment.

Preferred Qualifications

• Experience with real-time data acquisition systems and high-speed signal processing in industrial or scientific contexts.
• Familiarity with hardware communication protocols: TCP/IP, USB, RS-232/RS-485, Modbus, CAN.
• Experience with WPF / WinForms / MAUI for Windows desktop application development.
• Exposure to cloud-native technologies: Docker, Kubernetes, and modern DevOps practices.
• Proficiency with gRPC, Protocol Buffers (protobuf), GraphQL, or other modern communication frameworks and API paradigms.
• Understanding of regulatory compliance requirements in regulated industries such as pharmaceuticals or medical devices.
• Contributions to open-source projects, technical blogs, or published papers in relevant domains.
• Experience working in Agile/Scrum development methodologies with international teams.