Senior Systems Developer (.NET)

Thermo Fisher Scientific India Pvt Ltd; Bengaluru; On-site; INR 2,500,000 - 4,000,000; Full time

Job summary

Thermo Fisher Scientific India Pvt Ltd is seeking a Sr Systems Developer II to design, develop, and maintain advanced .NET-based solutions. This role collaborates with cross-functional IT teams to deploy and enhance enterprise applications, ensuring quality and compliance across the software lifecycle.

You will work with modern tech stacks, including Azure services, AI-enabled features, and cloud-based architectures, while mentoring junior developers and driving code quality.

Qualifications

• Bachelor’s degree or equivalent; 6–8 years in systems development.
• Proficient C#/.NET and SQL Server with OOP fundamentals.
• Experience with front-end tech (HTML/CSS/JS) and MVC stack.

Responsibilities

• Design, develop, configure, and maintain system components per specs.
• Lead code reviews and refactor for quality and maintainability.
• Troubleshoot defects and performance issues; perform testing.
• Collaborate with IT teams for deployment and enhancements.
• Stay current with Azure Cloud, AI capabilities, and newer tech.

Skills

C#/.NET

OOP

SQL Server

Frontend (HTML/CSS/JS)

MVC/Node.js/Angular

CI/CD / Azure DevOps

Cloud/Azure

AI/ML concepts

Agile

Team communication

Education

Bachelor’s degree or equivalent

Tools

Microsoft Azure

Job description

Sr Systems Developer II Work Schedule Standard (Mon-Fri) Environmental Conditions Office Job Description About the Role Become a part of Thermo Fisher Scientific Inc. as a Sr Systems Developer (.NET). This role presents an outstanding opportunity to collaborate with a remarkable team dedicated to the development and implementation of system solutions on custom-developed applications.

Key Responsibilities

• Ensure adherence to CSLM lifecycle processes, development standards, quality requirements, and relevant tools throughout the application lifecycle.
• Design, develop, configure, and maintain system components in accordance with business requirements, technical specifications, and coding standards.
• Write efficient, scalable, maintainable, and high-quality code while following established software engineering best practices.
• Conduct and participate in code reviews, code refactoring, and continuous improvement activities to enhance system quality and maintainability.
• Troubleshoot application defects, performance issues, and production incidents using structured problem-solving and Root Cause Analysis techniques.
• Perform unit, system, and validation testing as required, ensuring solutions meet functional, technical, quality, and compliance expectations.
• Work closely with Application Managers, business partners, Operations, and other IT teams on application maintenance, support, deployment, and enhancement activities.
• Analyze existing applications and technology stacks to identify opportunities for modernization, performance improvement, and adoption of newer technologies.
• Stay current with emerging technologies, including Microsoft Azure, cloud-based architecture, automation, and applied AI capabilities.
• Support the integration of AI-enabled features such as intelligent workflows, automation, APIs, pre-built AI services, and data-driven insights where appropriate.
• Review system architecture and application composition, and provide recommendations on system design, database design, scalability, performance, and technical improvements.
• Prepare, review, and maintain system documentation, including requirements, technical specifications, design documents, test plans, deployment documentation, and user/support manuals.
• Develop technical effort, cost, and resource estimates and provide input into project planning, dependencies, risks, and implementation activities.
• Mentor and guide Associate Developers and junior resources through hands‑on coaching, code reviews, knowledge sharing, troubleshooting support, and development best practices.
• Ensure all development, testing, deployment, support, and documentation activities are completed with appropriate quality, security, compliance, and operational readiness.

Knowledge, Skills, and Abilities:

• Proficient hands‑on experience with C# and the .NET platform, with a strong understanding of object‑oriented programming and application development principles.
• Strong knowledge of data structures, algorithms, logic, analysis, and problem‑solving techniques.
• Skilled in Microsoft SQL Server and SQL, including database querying, data manipulation, and understanding of relational database concepts.
• Proficiency in front‑end technologies including HTML, CSS, and JavaScript.
• Familiarity with MVC and DOM concepts, along with exposure to Node.js, AngularJS, and NPM.
• Knowledge of CI/CD pipelines, source control, deployment practices, and cloud technologies, with exposure to Microsoft Azure preferred.
• Familiarity with Agile development methodologies and Azure DevOps for planning, development, testing, and delivery activities.
• Exposure to AI and Machine Learning concepts and their application within enterprise systems.
• Familiarity with integrating AI services and APIs, such as Azure AI/Cognitive Services, OpenAI APIs, or comparable technologies, is preferred.
• Strong analytical, troubleshooting, and problem‑solving skills, with the ability to identify root causes and develop effective solutions.
• Strong attention to detail, with the ability to maintain accuracy and quality while managing multiple tasks and priorities.
• Demonstrated ability to multitask, prioritize work, and manage competing responsibilities in a dynamic environment.
• Strong interpersonal and communication skills, with a client‑focused and service‑oriented approach.
• Proven ability to work collaboratively within cross‑functional teams, build effective working relationships, and contribute to shared objectives.
• Demonstrated ability and willingness to learn new technologies, adapt to evolving technical environments, and continuously improve technical capabilities.

Education/Experience:

• Bachelor’s degree or equivalent (BE, B Tech, ME, M Tech, BCA/MCA, BSC/M Sc) 6-8 years of experience in systems development, implementation, and support roles with the required technologies Experience Level Senior Level