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Senior Software Engineer — C# (.NET Core) | API Development

ThermoFisher Scientific

Full time On-site
Experience
6–9 years
Location
Bangalore
Work mode
On-site
Salary
₹15L – ₹25L a year estimatetypical for IT Jobs in Bangalore, 267 posts
Posted 6 hr ago Last checked 38 min ago

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Role at a glance

You will
  • In this role, you will design, build, and scale high-performance backend microservices and secure, enterprise-grade RESTful APIs.
  • You will work closely with cross-functional architecture, product, and platform teams to deliver scalable services that power our core…
  • + Design, development, and lifecycle management of scalable, secure, and well-documented RESTful APIs and microservices using C# and .NET…
Experience
6–9 years
Education
Bachelor's degree (preferred)
Must-have skills
.NET CoreAgileC#Data GovernanceDockerKubernetes
Work mode
On-site

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Job description

Location: Bangalore, India

Work Schedule
Standard (Mon-Fri)
Environmental Conditions
Office
Job Description
Experience Level: 6–9 Years
Team: Data Governance and Analytics
Organization: Data, AI, and Visualization (DAIV), Global Software R&D
About the team
The Data Governance and Analytics Team is part of Data, AI, and Visualization (DAIV) within our global software R&D organization. We are a diverse, distributed team with colleagues across France and the Netherlands.
We bring digital technology into our products, solutions, and services, enabling data extraction, analysis, and connectivity. We develop software that supports data governance by managing data definitions, improving data quality, and making data more usable and useful. Our work prepares the organization for the age of AI, supports data-driven design, and enables value creation from data.
About the role
We are seeking a highly skilled Senior Software Engineer specializing in C# (.NET Core) and robust API Development . In this role, you will design, build, and scale high-performance backend microservices and secure, enterprise-grade RESTful APIs. You will work closely with cross-functional architecture, product, and platform teams to deliver scalable services that power our core product ecosystem and support seamless system integration.
Key Responsibilities
+ Design, development, and lifecycle management of scalable, secure, and well-documented RESTful APIs and microservices using C# and .NET Core .
+ Design efficient data access layers, database schemas, and LINQ queries using Entity Framework , ensuring optimal performance, change tracking, and migration management.
+ Design, develop, test, and maintain C# software libraries and reusable components supporting data extraction, analysis, connectivity, and governance.
+ Translate functional and technical requirements into clear software designs and implementations.
+ Develop components that support consistent data definitions, validation, and data quality.
+ Identify opportunities to reuse existing software and reduce duplication across products and projects.
+ Support the integration of libraries and components into applications and engineering workflows.
+ Develop and maintain automated tests to validate functionality and prevent regressions.
+ Contribute to build pipelines, test automation, and automated deployment using GitLab or GitHub.
+ Apply secure development practices and support DevSecOps activities within the development lifecycle.
+ Investigate defects, troubleshoot integration issues, and improve software reliability.
+ Maintain technical documentation and clear runbooks covering component interfaces, configuration, integration dependencies, and usage.
+ Collaborate with software architects and engineers across the wider R&D organization.
+ Establish strong reliability practices (logging/monitoring, retries/backoff, idempotency, concurrency controls, safe cleanup, traceability).
+ Mentor engineers through code reviews, best practices, and technical leadership.
+ Work effectively within an Agile Scrum / SAFe framework , participating in backlog refinement, sprint planning, technical estimation, PI planning, reviews, retrospectives, and cross-team coordination to support predictable and high-quality delivery.
Required Skills
+ Strong Working knowledge of C#, .NET Core and object-oriented software development with API development, Database experience.
+ Experience integrating shared libraries or components across multiple applications.
+ Experience with both relational and non-relational databases (e.g., MariaDB, MongoDB, PostgreSQL, SQL Server).
+ Proven experience designing, building, versioning, and securing RESTful APIs at scale.
+ Ability to develop and maintain modular, reusable software components.
+ Understanding of software testing, debugging, and version-control practices.
+ Experience working in an agile DevOps environment.
+ Experience using GitLab or GitHub for source control and collaborative development.
+ Familiarity with build pipelines, automated testing, and automated deployment.
+ Understanding of containerization concepts, with familiarity with technologies such as Docker, K8s, Helm, etc
+ Ability to collaborate effectively with colleagues in a distributed international team.
+ Working knowledge of Agile delivery frameworks, including Scrum and SAFe, with experience operating effectively in sprint-based and cross-team planning environments.
+ Strong communication and stakeholder management skills, with the ability to work effectively across global, cross-functional teams.
+ Experience operating in structured product-development environments with strong quality, compliance, and delivery expectations
Preferred Qualifications
+ Bachelor’s or master’s degree, preferably in a technical or scientific discipline.
+ 6+ years of software engineering experience with a strong focus on C# and .NET Core and object-oriented software development with API development, Database experience.
Thermo Fisher Scientific is an EEO/Affirmative Action Employer and does not discriminate on the basis of race, color, religion, sex, sexual orientation, gender identity, national origin, protected veteran status, disability or any other legally protected status.

Job data: Headcount Labs (headcountlabs.com), ODbL 1.0. The job description belongs to the employer. Location data © OpenStreetMap contributors and Overture Maps.

Key skills

Required

.NET CoreAgileC#Data GovernanceDockerKubernetesMariaDBMicrosoft SQL ServerMongoDBPostgreSQLREST API DevelopmentScrumStakeholder Management

Soft skills

Communication

Job market insights

70active .NET Core jobs in Bangalore
1,038active Agile jobs in Bangalore
291active C# jobs in Bangalore
₹15L – ₹25L advertised yearly salary for IT Jobs in Bangalore (middle half of 267 posts that show a salary; median ₹19L)
54 more open jobs at ThermoFisher Scientific

Most IT Jobs posts in Bangalore ask for 3–6 years of experience (41% of 4565 that say).

Hiring most for IT Jobs in Bangalore

  • Bosch Group175 open jobs
  • Trigent Software Private Limited129 open jobs
  • Brillio114 open jobs

Jobs asking for .NET Core in Bangalore also ask for

  • C#81%
  • Microsoft Azure74%
  • Agile51%
  • Angular51%
  • Microservices50%

From live job posts on CoreHRx, updated 13 Nov 2026. Skill figures count posts that list their skills; salary figures only posts that show a salary.

Questions about this job

What is the salary for this Senior Software Engineer — C# (.NET Core) | API Development job?

The post does not state the pay. As an estimate, comparable posts on CoreHRx advertise ₹15L – ₹25L a year (typical for IT Jobs in Bangalore, 267 posts).

How much experience does this job need?

The post asks for 6–9 Yrs experience.

Where is this job based?

In Bangalore (on-site).

What kind of job is this?

It is a full time job.

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