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Senior Software Engineer | Full Stack Senior .NET Developer with over 20 years of experience in both
greenfield and brownfield development, designing, developing, and optimizing complex, scalable
applications across legal, healthcare, government consulting, retail workforce management, benefits
administration, and programmatic media advertising. Proven ability to lead teams, mentor developers,
and implement solutions for complex systems while adhering to best practices and modern design
patterns
Hi, I’m Kishore — a Full-Stack Developer & Certified Security Architect with 14+ years of experience building secure, scalable, and user-friendly software solutions.
I specialize in:
Web & Mobile Development: React, Angular, ASP.NET, C#, Java, Android
APIs & Databases: REST APIs, SQL Server, MySQL, MongoDB
Cloud & DevOps: Azure, AWS, CI/CD, Docker
Security: Applying industry-approved best practices to protect your data
I’ve delivered management systems, e-learning platforms, inventory solutions, and mobile games, ensuring smooth functionality and a great user experience. My focus is on clear communication, fast problem-solving, and writing clean, maintainable code.
Whether you need bug fixes, performance optimization, code review, or end-to-end development, I can help you get your project back on track and working flawlessly.
📩 Let’s connect and solve your challenges together!
Senior cloud software developer looking for a freelance opportunity on Codementor, with extensive experience in .NET, .NET Core (C#), ASP.NET, MAUI, Angular, PostgreSQL, SQL, and RabbitMQ.
I have successfully delivered similar projects, and you can view my track record on Upwork(https://www.upwork.com/freelancers/~01035699c0d31c7fab) and Codementor(https://www.codementor.io/@denmarkstan). With over a decade of experience building enterprise-grade applications across healthcare, finance, and other complex domains, I specialize in cloud and SaaS application development that meets high standards for performance, security, and scalability. I am fully committed, capable of working independently with minimal supervision, and fluent in English, ensuring clear and efficient communication. For a better sense of my work style, technical depth, and professionalism, please see the Loom videos linked below.
https://www.loom.com/share/84d85a4a540847d98cb34126aed92f47?sid=0d69bfea-b777-4717-affd-610b905a8024,
https://www.loom.com/share/6029f997c39849bcb652651a511c038b?sid=35a65167-3a30-42b2-8fea-330d64bd25f8,
https://www.loom.com/share/fc78604aaf524110af4ccbfb6312fecb?sid=93140d28-01d3-4974-b591-c84b0b333849,
https://www.loom.com/share/2153ccc341d3420c8a13867d108553c7?sid=50bbfd86-2f72-442e-bc07-7dbd9f7e0772
Recent job places are:
1. HALLMARK - HEALTHCARE WORKFORCE TECHNOLOGY (New Jersey, Remote)
2. AFRICA PRUDENTIAL (Nigeria, Remote)
3. EIKONDATA S.L. (Madrid, Spain, Remote)
4. LIBRA INTERNET BANKING OF ROMANIA (Romania, Remote)
I have been working in .net and javascript since 2008. I am a senior developer looking to mentor students and other new programmers. Let me help you understand the things that are driving you crazy.
I'm Shweta, the C# corner MVP, a speaker and a girl behind YouTube channel https://www.youtube.com/@shweta-lodha. You will find that I'm incredibly passionate about helping people solving their technical problems related to Microsoft Technologies and LLM. I won several recognition from very popular forums like MSDN, Microsoft Technet, C# Corner, CodeProject for my community contributions.
I've delivered work for clients from companies ranging from 10 employees to large multinational corporations. This work has involved both analysis of large datasets, design and development of web and PC based applications.
I have over 8+ years of full-stack experience building scalable and reliable systems using **[ASP.NET](http://asp.net/) Core**, **React with TypeScript**, and **AWS**. In my current role as a Lead Software Engineer at Cimpress, I’ve designed and built multiple microservices from scratch in **.NET Core**, and more recently upgraded services to follow **.NET 8 standards**, improved middleware pipelines, and performance optimizations.
On the frontend, I’ve worked extensively with **React + TypeScript**, building components, architecting state management, and creating production-ready UI applications deployed globally. I collaborated closely with designers and product teams while ensuring a strong typing system using TypeScript to reduce runtime issues and improve maintainability.
On the cloud side, I’ve deployed and maintained services on **AWS** using **Elastic Beanstalk, EC2, S3, CloudFront, RDS, Lambda, Route53, and CloudWatch**. I’ve implemented CI/CD pipelines, improved monitoring and alerting, and introduced proactive tracking using dashboards and structured logging via **CloudWatch, Kibana, and Serilog**.
**Code quality and scalability** have consistently been central to my work:
* I enforce clean architecture principles, separation of concerns, SOLID, and domain-driven thinking where appropriate.
* I conduct and lead code reviews with a strong focus on readability, simplicity, and maintainability.
* I use **unit testing, integration testing, mocking frameworks, and automation** to ensure reliability before code reaches production.
* I migrated a major enterprise product from Telerik ORM to **EF Core**, which boosted performance by 40% and reduced long-term maintenance cost.
* I evaluated multiple load-testing tools and standardized **k6** for performance and stress testing of mission-critical microservices.
* I’ve designed services with async patterns, caching, and proper DB indexing to support high load and low latency requirements.
* I work closely with product and stakeholders to identify potential risks early and design scalable, fault-tolerant solutions.
I’m comfortable taking ownership end-to-end—design, build, test, deploy, monitor—and I enjoy collaborating with frontend-heavy engineers as well. At the same time, I can work independently, communicate clearly, and ship improvements quickly in a remote environment.
Overall, my experience aligns well with this role’s need for strong backend engineering in **ASP.NET 8**, paired with solid React/TypeScript experience, AWS cloud expertise, and a strong focus on correctness for high-stakes applications
I am an ex Amazon now working on a elite hedge fund; graduated with a Master of Computer Science.
I have professional experience in **multiple programming languages** and have designed multitude of application from ground up. I have a lot of experience in designing **scalable distributed systems**.
I enjoy providing **thorough code reviews**. I am very keen to find design and coding bugs.
I have done lot of technical interviews and has hands on experience in the recruitment process. I have a good track record **training people for technical interviews**.
I love helping other engineers reach their potential. I greatly enjoy pair programming, and am always happy to review other's code. Debugging is as much a part of programming as code creation, and I enjoy squashing bugs and errors.
I'm a big believer in the Strong Style Pair Programming and how switching roles helps build domain expertise.
I've worked the most on backend systems where database interaction and API generation are the major problems. Moving data from one system to another (ETL) is a particular specialty of mine. I have worked on front end systems spanning desktop programs to mobile applications.
I've worked mostly in C#, but I've got some in Vue.js and React too. I'm something of a polyglot though, I can read most programming languages and have worked in everything from basic ANSI C-99 on Windows, embedded C on hardware, through modern Javascript frameworks with stops in Java, Python, and C++ (though functional programming is still hard!). I have designed major cloud systems and am proficient with many relational databases (SQL) and non-relational databases (noSQL).
I’m a Senior Software Design Engineer at ASML with over 15 years of experience designing, documenting, and delivering enterprise-grade .NET solutions.
What truly drives me is turning complex technical concepts into something simple, reusable, and shareable — whether through mentoring teammates, architecting scalable systems, or writing for my technical blog Development Simply Put.
Over the years, I’ve been recognized for bridging engineering excellence with clarity — from developing productivity tools and mentoring engineers, to publishing articles that have been referenced by Microsoft MVPs.
💡 On my blog, I simplify software design patterns, concepts, and engineering principles so others can code smarter and faster.
If you believe great software is built on great understanding — let’s connect.
Website: https://DevelopmentSimplyPut.com
Blog: https://DevelopmentSimplyPut.com/blog
LinkedIn: https://www.linkedin.com/in/atarekhasan
**Responsibilities:**
✔ Analyzing requirements and breaking them down into stories and tasks.
✔ Tasks sizing and estimation.
✔ Designing business and technical solutions.
✔ Applying best practices, design principles, and concepts (OOP, Design Patterns, SOLID, DRY, KISS).
✔ Implementing tasks into code, optimized for speed and scalability, and troubleshooting issues.
✔ Performing code reviews.
✔ Mentoring/Coaching new team members.
✔ Preparing/Presenting appealing presentations.
✔ Building Confluence Spaces and Wiki for business and technical topics.
✔ Developing productivity tools.
**Achievements:**
⭐ Speak Arabic (Native or bilingual proficiency), English (Professional working proficiency).
⭐ Certified knowledge of problem solving, algorithms and data structures.
⭐ Strong communication skills.
⭐ Acknowledged mentor.
⭐ Technical writer/blogger. Check my blogging achievements (https://bit.ly/BloggingAchievements).
⭐ Own Technical Articles are used as reference by Microsoft MVP (https://bit.ly/ReferencedByMVP).
⭐ Awarded Recognition Certificates by management and colleagues.
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Frequently asked questions
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The length of a project depends on many factors, including the scope of your project and the technical complexity of it. When you post a freelance WPF project request on Codementor, you’ll have the option to indicate when you’d expect the project to be completed. We suggest chatting with the interested developers to ensure both sides are on the same page. For more information on how to post a freelance WPF request on Codementor, check out our article.
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