Senior Full Stack Developer (.NET, React & Cloud Technologies)

Cognizant; Halifax; Hybrid; CAD 124,000 - 138,000; Full time

Job summary

Cognizant is seeking a Senior Full Stack Developer to design, develop, and support scalable web and cloud-based solutions. You will collaborate across teams to deliver high‑quality software using .NET and React, with a focus on scalable APIs and data services.

The role emphasizes cloud technologies, CI/CD, and strong communication. A hybrid work arrangement requires 2–3 days in office, balancing performance with wellbeing programs.

Qualifications

• Proven experience with .NET technologies: C#, ASP.NET, .NET Core/Framework.
• Hands-on React development and modern frontend practices.
• Experience with relational databases (SQL Server, PostgreSQL, etc.).
• Familiarity with GitHub, Azure DevOps, SonarQube and Artifactory in enterprise environments.
• Knowledge of cloud platforms (Azure, GCP, Oracle Cloud) and data platforms (ADLS, ADF, Databricks).
• Strong SDLC understanding, testing, QA, and production support.
• Excellent analytical and communication skills.

Responsibilities

• Design, develop, and maintain enterprise web apps using .NET technologies and React.
• Build and optimize backend services, APIs, and databases with SQL Server or PostgreSQL.
• Collaborate with architects, product, and DevOps to translate requirements into solutions.
• Perform testing, code reviews, troubleshooting, and ensure high quality.
• Leverage cloud and DevOps practices to enable CI/CD and lifecycle management.

Skills

.NET + React

React

SDLC & testing

Strong communication

Tools

GitHub

Azure DevOps

SonarQube

Artifactory

Job description

Senior Full Stack Developer (.NET, React & Cloud Technologies)

About the role

As a Senior Full Stack Developer, you will make an impact by designing, developing, and supporting scalable web applications and cloud-based solutions that drive business outcomes. You will be a valued member of the engineering team and collaborate with architects, business stakeholders, DevOps teams, and fellow developers to deliver high-quality software solutions.

In this role, you will:

• Design, develop, and maintain enterprise web applications using .NET technologies and React.
• Build and optimize scalable backend services, APIs, and database solutions using SQL Server, PostgreSQL, or other relational databases.
• Collaborate with cross-functional teams to translate business requirements into technical solutions and application enhancements.
• Perform software testing, code reviews, troubleshooting, and quality assurance activities to ensure reliable and high-performing applications.
• Leverage modern DevOps and cloud technologies to support continuous integration, deployment, and application lifecycle management.
  

Work model

We believe hybrid work is the way forward as we strive to provide flexibility wherever possible. Based on this role's business requirements, this is a hybrid position requiring 2-3 days per week in a Cognizant office. Regardless of your working arrangement, we are here to support a healthy work-life balance through our various wellbeing programs.

The working arrangements for this role are accurate as of the date of posting. This may change based on the project you are engaged in, as well as business and client requirements. Rest assured; we will always be clear about role expectations.

What you need to have to be considered

• Strong experience developing applications using .NET technologies (C#, ASP.NET, .NET Framework, or .NET Core).
• Proven hands-on experience with React and modern frontend development practices.
• Experience working with relational databases such as SQL Server, PostgreSQL, or similar database technologies.
• Experience with GitHub, Azure DevOps, SonarQube, and Artifactory in enterprise development environments.
• Knowledge of cloud platforms and services, including Azure, Google Cloud Platform (GCP), and Oracle Cloud.
• Experience with Azure Data Lake Storage (ADLS), Azure Data Factory (ADF), Databricks, or similar data platform technologies.
• Solid understanding of software development lifecycle (SDLC), unit testing, quality assurance, and application support.
• Strong analytical, problem-solving, and communication skills.

Compensation

The annual salary for this position ranges from $90,000 to $100,000, depending on experience and qualifications. This role is also eligible for Cognizant’s discretionary annual incentive program, subject to performance and applicable plan terms.

Disclaimer:

The salary, other compensation, and benefits information is accurate as of the date of this posting. Cognizant reserves the right to modify this information at any time, subject to applicable law.

These will help you stand out

• Experience building cloud-native applications and microservices architectures.
• Knowledge of CI/CD pipelines, DevOps practices, and infrastructure automation.
• Experience with RESTful APIs and modern integration frameworks.
• Exposure to data engineering, analytics, and large-scale data processing solutions.
• Experience working in Agile or Scrum delivery environments.
• Familiarity with modern JavaScript, HTML5, CSS3, and responsive web application development.