Description – External
Senior .NET Developer
Cognizant’s Digital Engineering practice is seeking a highly qualified Senior .Net Developer (Hybrid) with 8+ years of experience developing and building high-performing, scalable, enterprise applications. You will be part of a digital software team that works on high-demand applications. Our engineers have a passion for high-quality, reliable and maintainable code. You will work side by side with product managers, designers, and clients, making decisions together to quickly deliver valuable working software to clients and their users. Our engineers are agile and retrospective, and not afraid to identify what we’re doing wrong, so we can fix it, and what we’re doing right, so we can improve on it. Above all, we judge success by the success of our team and the happiness of our customers.
Cognizant Digital Engineering If you’re like us, you’ve got big ideas. At Cognizant, we’re exploring new ideas every day. We help industry leading companies reinvent their business models and innovate products that create new value—by connecting people with things, insights and experiences. Cognizant digital engineering designs, engineers and delivers digital products and experiences that drive digital-first business models. We offer the most comprehensive digital engineering expertise and client-centric methodology for sustainable innovation.
Location: Brookfield - WI (Hybrid)
*You must be legally authorized to work in the USA without the need for employer sponsorship, now or at any time in the future*
Responsibilities:
· Design and develop scalable backend services using ASP.NET Core Web API and Entity Framework to support critical business workflows.
· Optimize SQL queries and database schemas to ensure high performance, data integrity, and reliability.
· Build responsive and user-friendly interfaces using React.js aligned with business needs.
· Manage GitLab repositories, including branching strategies, code reviews, and CI/CD pipelines.
· Troubleshoot and resolve complex production issues, implementing long-term solutions.
· Collaborate with cross-functional teams to refine requirements and deliver high-quality releases.
· Apply secure coding practices and optimize application performance across systems.
· Document system architecture and ensure proper monitoring with logging and alerting mechanisms.
Qualifications:
· 8+ years of Strong hands-on experience in designing and developing enterprise applications using ASP.NET Core Web API and Entity Framework, with a focus on modular architecture and testability.
· Advanced proficiency in SQL, including schema design, complex joins, indexing strategies, and query optimization for both transactional and reporting workloads.
· Proven expertise in building modern single-page applications using React.js, including state management, component composition, and integration with RESTful APIs.
· Solid experience with GitLab for source control, including branching strategies, code reviews, and automated CI/CD pipelines for integration and deployment.
· Strong understanding of object-oriented programming (OOP), design patterns, and clean code principles to build maintainable and scalable applications.
· Experience with unit testing, integration testing, and mocking frameworks within both the .NET and JavaScript ecosystems, ensuring high-quality and reliable releases.
· Excellent communication and collaboration skills, with the ability to work effectively in a hybrid environment and coordinate with cross-functional teams and stakeholders.
Salary and Other Compensation:
Applications will be accepted until June 15th, 2026.
The annual salary for this position is between $ 83,250 to $ 132,000 depending on experience and other qualifications of the successful candidate.
This position is also eligible for Cognizant’s discretionary annual incentive program, based on performance and subject to the terms of Cognizant’s applicable plans.
Benefits: Cognizant offers the following benefits for this position, subject to applicable eligibility requirements:
- Medical/Dental/Vision/Life Insurance
- Paid holidays plus Paid Time Off
- 401(k) plan and contributions
- Long-term/Short-term Disability
- Paid Parental Leave
- Employee Stock Purchase Plan
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
Applicants may be required to attend interviews in person or by video conference. In addition, candidates may be required to present their current state or government issued ID during each interview.
La communauté Cognizant :
Nous sommes une équipe de professionnels dont les membres s'apprécient et se soutiennent mutuellement. Nos collaborateurs sont les garants d'un lieu de travail dynamique, collaboratif et inclusif où chacun peut s'épanouir.
- Cognizant est une communauté mondiale qui compte plus de 300 000+ collaborateurs dans le monde entier.
- Nous ne nous contentons pas de rêver de façons idéales, nous apportons des améliorations concrêtes
- Nous prenons soin de nos collaborateurs, de nos clients, de notre entreprise, de nos communautés et du climat, en faisant ce qui est juste.
- Nous favorisons un environnement innovant où vous pouvez construire le plan de carrière qui vous convient.
À propos de nous :
Cognizant (NASDAQ : CTSH) est un concepteur d’IA et un fournisseur de services technologiques. Avec notre gamme de solutions IA full-stack, nous accompagnons nos clients au carrefour de l’investissement dans l’IA et de la valeur ajoutée. Notre grande expertise sectorielle, des processus et de l’ingénierie nous permet de convertir le contexte propre à chaque entreprise en systèmes technologiques amplificateurs du potentiel humain, générateurs de résultats tangibles et garants de l’avantage des acteurs internationaux dans un monde en constante évolution. Découvrez notre méthode sur www.cognizant.com ou suivez @cognizant.
Cognizant est un employeur soucieux de l'égalité des chances entre candidats. Votre candidature sera étudiée indépendamment de votre race, couleur, sexe, religion, croyances, orientation sexuelle, identité de genre, origine, handicap, informations génétiques, grossesse, statut d'ancien militaire ou de toute autre critère jugé discriminant par les lois européennes ou françaises.
Vous êtes porteur d'un handicap, vous pouvez-nous contacter par courriel [email protected] si vous souhaitez préciser les aménagements nécessaires pour le poste ou les entretiens à venir.
Mentions légales :
Les informations relatives à la rémunération du poste à pourvoir dépendent de la date de publication de l’offre de poste. Cognizant se réserve le droit de modifier ces informations à tout moment, sous réserve des lois applicables.
Les candidats peuvent être invités à participer à des entretiens en face à face ou par vidéoconférence. En outre, les candidats peuvent être amenés à présenter une carte d'identité valide lors de chaque entretien.