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Top freelance Core Data developers available to hire
As a software developer with 8 years of experience, I am captivated by programming paradigms and the best practices for designing and implementing software architectures.
**I'm happy to offer a 10-minute free session to look at your current work if any exist. This will help us see if I can solve your problem before you pay for a session. This way, I'll better understand what you need and can help you more effectively.**
Let's collaborate to create impactful solutions.
Experienced Software Engineer with 7 years of professional experience in mobile and web application development, architecture design, and technical leadership. Proven track record of delivering high-quality software applications, leading teams, and mentoring developers to adopt best practices and delivering on time.
Skilled in modern development frameworks, and emerging technologies such as Apple Vision, DockKit, AI Integrations to build immersive and adaptive app experiences. Strong full-stack capabilities with expertise in backend systems, RESTful APIs, cloud services, and cross-platform integrations. Experience with collaborating with clients internationally for complex projects, and ensuring scalable and maintainable software solutions.
Please send me a message or schedule a session before connecting for a call.
**iOS & Android expert.**
Vivek is a seasoned Software Engineer with over **12 years of experience in Cloud & Mobility**. He has an extensive experience in building and delivering high impact projects. He works as an **Azure Architect** for major enterprise developing technologies of the future. He is also highly skilled on both the major Mobile platforms - **Android & iOS**. Strong engineering professional with a **Master's degree** in computer science. He is also an excellent trainer. He aims to utilise his vivid professional experience in helping fellow engineers and community at large.
I **define the architecture**. For 21 years, I've been the person CTOs and lead developers call when systems fail under load, migrations are at risk, or AI integration needs to work right the first time.
With expertise in **C#, .NET, Blazor, ASP.NET Core, SQL, Python,** and production AI agents (**Semantic Kernel, LangGraph, custom tool-calling**), I design systems where performance, reliability, and intelligent automation aren't optional—they're the baseline.
I've shipped AI to **production** — not to a Jupyter notebook. I'm the creator of **FreeAIVoice** — a live AI voice platform with AI Voice Generation, Voice Cloning, and Speech-to-Text across **30+ spoken languages** and a developer API. I provided production systems for The New York Times.
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**Here's where I'm most useful to you:**
- **The AI Integration Trap** — You've been asked to add AI to your existing .NET system but don't know whether to use *Semantic Kernel*, raw OpenAI APIs, or a Python sidecar. I've made that decision dozens of times. I'll make it faster and safer for you.
- **The Blazor Bottleneck** — Your Blazor app is slow, state management is tangled, and you're unsure if you chose *Server or WASM* incorrectly. I can diagnose what went wrong and map a clean path forward — often in a single session.
- **The Legacy Modernization Cliff** — You have a 10-year-old .NET system that needs AI or modern tooling but wasn't designed for it. I specialize in *incremental refactoring paths* that don't require a full rewrite and don't break what's already working.
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**What I Do Best:**
- **Software Architecture & System Design** — scalable, maintainable systems from greenfield to enterprise
- **AI Agent Development** — production-grade agents with Semantic Kernel, LangGraph & AutoGen — *not demos*
- **Blazor & ASP.NET Core** — Server, WASM, hybrid — full-cycle development and performance tuning
- **Python & AI Automation** — RAG pipelines, workflow automation, voice AI, LLM integrations
- **Legacy .NET Modernization** — refactoring strategy, migration paths, incremental upgrades
- **Architecture Audits** — identifying structural risk before it becomes a production incident, not after
- **Debugging Complex Systems** — when the stack trace doesn't tell the whole story
**If any of this sounds like your current situation — DM me. I respond to every message.**
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.
Senior DevOps, DevSecOps, and Enterprise Architect with over 10 years in Architecting and Impementing Highly Performant, Highly Scalable and Highly Secure Systems that conform to Industry Best Practices.
I have had the privilege of serving in the Health, Finance, Insurance, Manufacturing, Educational and Power sectors. I have also had hands on experience in designing and implementing Zero Trust Infrastructure, ISO 27001 and SOC II Compliant Architcture and Processes.
I take pride in mentoring the younger generation and I have many success stories. I am very compatible with working within GMT -8 to GMT +3 timezones with 6 to 8 hour overlaps.
Skills and Technology: C#, Python, Node.js, .Net Core, [ASP.Net](http://asp.net/) MVC, Worker Services, Django, Express.js,
Microservices, Docker, APIs, Git, Jenkins, Octopus, CircleCI, Kubernetes, MongoDb, SQL Server, Elasticsearch, Redis, Service Bus, RabbitMQ, MySQL, PostgresDB, AWS, GCP, Azure, Agile, NoSQL, TDD, DevOps, DevSecOps, CICD, Biometrics, Team Management, System Admin, Mentor, ClickUp, JIRA, Terraform
I’m an iOS Developer who specializes in the design of brand identities. I’m fortunate in that I’m passionate about my day job. Relaxing for me is coding and keep up to date with technology.
I have been doing iOS Development from since 2015. I have healthy experience of Designing as well.
I would welcome the chance to apply the skills and knowledge I have gained to your job and I feel my abilities would prove to be an asset for you.
I am comfortable working as part of a team or individually and have an in-depth understanding of emerging technologies in new media.
I look forward to hearing from you :)
Want to know more about me? visit https://www.sagarunagar.com :)
Most of my work for customers is around solving complex business problems through people and technology.
Expertise in Front-end user interfaces, interactions through back-end APIs and servers, middleware, data storage and integration
Strong experience in ASP.NET Core development.
I've been working in this field since 1998, programming in a variety of languages, including Java and C#. I have taught professional courses designed to meet the needs of reputable organizations.
Everything in this universe, in my opinion, is programmed; even atoms are programmed to join together to form molecules. I always do my best to solve problems programmatically.
How to hire a freelance Core Data developer on Codementor
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STEP 2
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STEP 3
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Frequently asked questions
How long do Core Data projects normally take?
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 Core Data 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 Core Data request on Codementor, check out our article.
How much does it cost to hire a freelance Core Data developer?
We don’t charge anything when you post a freelance hiring request for Core Data developers! You’ll have the chance to determine what the budget for your project is when you post the request. You’ll only need to pay the developer if you’re 100% satisfied with their work. Please know that Codementor charges a small service fee when a developer completes the job.
What makes Codementor Core Data developers different?
We do a comprehensive technical and communications screen of all Core Data developers at Codementor. Our network includes book authors, popular open source contributors, top Stack Overflow users and engineers at top tech companies. In addition, to continually ensure the quality of our freelancers, we regularly check in on existing Core Data developers’ user satisfaction rates.
What happens if I’m not happy with the freelancer’s work?
As a platform, we strive to ensure you’re always happy with your Core Data project’s results. If you’re unsatisfied with the results, you can choose to get a refund for the project. Additionally, you can contact our support team should you need any further assistance with your project.
For more answers to frequently asked questions, see here.