vishwajeet kumar

Software Engineer

Hyderabad, Telangana, India3 yrs 8 mos experience

Most Likely To SwitchAI Enabled

Key Highlights

Optimized .NET project reducing memory consumption by 98.7%
Built microservices serving 200K+ daily requests with 99.999% uptime
Mentored junior developers on architecture and optimization

Stackforce AI infers this person is a Backend Engineer specializing in Healthcare technology with a focus on performance optimization and microservices.

Contact

vishwajeetkjmp@gmail.com LinkedIn

Skills

Core Skills

Backend DevelopmentMicroservicesPerformance OptimizationMachine Learning

Other Skills

.NET.NET Core.NET FrameworkAPI DevelopmentAndroid DevelopmentApache KafkaC#C++CachingCloud ComputingComplex debuggingData PreprocessingData StructuresDependency InjectionDjango

About

I build high-performance backend systems for healthcare insurance operations at Optum (UnitedHealth Group). Specialized in performance optimization, scalable microservices, and automation. 🏆 RECOGNIZED ACHIEVEMENT Optimized dotnet project reducing memory consumption by 98.7% (16GB→200MB), enabling 3x faster deployments. Awarded Quarterly Excellence Diamond Award. 💼 CORE EXPERTISE • Backend Development: ASP.NET Core 8.0, C#, RESTful APIs, Entity Framework Core • Database: SQL Server optimization, T-SQL, stored procedures, indexing strategies • Architecture: Microservices, OAuth 2.0, Polly resilience patterns, API rate limiting • Performance: Redis caching, query optimization, load testing, APM tools • DevOps: CI/CD pipelines, GitHub Actions, monitoring (Grafana, Dynatrace) • Domain: Healthcare insurance, rating engines, actuarial systems, compliance 📈 IMPACT METRICS • Built microservices serving 200K+ daily requests with 99.999% uptime • Reduced manual testing time by 70% through automation tools • Improved application responsiveness by 24% using multi-tier caching • Automated workflows cutting business process time by 50% • Mentored 2 junior developers on architecture and optimization 🔍 WHAT I'M LOOKING FOR Challenging backend engineering roles at product companies building distributed systems, cloud-native applications, or healthcare technology. Particularly interested in: • Performance-critical applications at scale • Microservices architecture and distributed systems • Technical leadership and mentoring opportunities • Companies with strong engineering culture 📫 Open to opportunities: Remote | Hybrid | Relocation Let's connect: https://www.linkedin.com/in/vishwajeet-kumar-6081941a3/

Experience

Optum

2 roles

Software Engineer

Promoted

Jul 2023 – Present · 2 yrs 8 mos · Hyderabad, Telangana, India · Hybrid

1. Developed and published a reusable .NET Core NuGet package for OAuth token generation with built-in Dependency Injection support, enabling secure and consistent authentication across multiple microservices.
2. Spearheaded the development and maintenance of .NET and microservices architecture to optimize performance and scalability,
3. Developed a tool for automated data validation in JUnit for unit testing. Leveraged multithreading for concurrent validation and integrated with SQL Server, improving data integrity and reducing manual testing time by 80%.
4. Implemented caching strategies using Redis, in-memory caching, and lazy loading to optimize data retrieval and improve internal application responsiveness of legacy application by 20–24%.
5. Optimized application scalability and responsiveness by implementing complex SQL stored procedures and views, enhancing data retrieval efficiency and reducing database load.

.NET CoreOAuthDependency InjectionMicroservicesRedisSQL Server+4

TDP II

Jul 2022 – Jul 2023 · 1 yr · Hyderabad, Telangana, India · Hybrid

1.Acquired proficiency in C#, .net technologies, and microservices architecture to enhance software development and system scalability.
2. Developed a Java-based custom testing tool that streamlined the testing process, achieving an 80% reduction in manual effort and improving overall efficiency.
3. Created an API that simplified workflows for business stakeholders, significantly reducing operational workload and enhancing productivity across teams.

C#.NETMicroservicesJavaAPI DevelopmentBackend Development

Intern

National Institute of Technology , Patna

May 2021 – Jul 2021 · 2 mos · Patna, Bihar, India · On-site

1. Developed a predictive model for assessing the severity of Parkinson's disease using a comprehensive telemonitoring dataset, enabling early intervention strategies and personalized care.
2. Collaborated with PhD researchers and senior professors to leverage their expertise in health informatics, ensuring the model's methodologies were grounded in the latest academic research and best practices.
3. Employed advanced machine learning algorithms and data preprocessing techniques to enhance model accuracy, facilitating better insights into patient health dynamics.

Machine LearningData Preprocessing