Remote Work

👉 I work as a Senior Angular & .NET Full Stack Developer / Consultant / Contractor / Freelancer to help businesses build and improve their software products.

➡️ My core technology stack is .NET C#, TypeScript, ASP.NET Core and Angular, but I would also love the opportunity to work with other popular technologies like NodeJS and React.

🤝 𝐋𝐞𝐭'𝐬 𝐜𝐨𝐧𝐧𝐞𝐜𝐭 if you think my expertise could help your organization!

Senior Angular & .NET Full Stack Developer • Contractor • Freelancer

Photoweb

☑️ Photo Products Customization Application

The client, a French market leader providing online digital photo printing services, needed to integrate their photo products customization application with a business partner’s software system to increase sales volume.

· 𝐑𝐞𝐝𝐮𝐜𝐞𝐝 𝐭𝐡𝐞 𝐧𝐮𝐦𝐛𝐞𝐫 𝐩𝐫𝐨𝐝𝐮𝐜𝐭𝐢𝐨𝐧-𝐜𝐫𝐢𝐭𝐢𝐜𝐚𝐥 𝐢𝐬𝐬𝐮𝐞𝐬 𝐛𝐲 𝟖𝟎% by refining the main user journey, resulting in a smoother user experience and an increased chance to complete the purchase.

· 𝐀𝐜𝐡𝐢𝐞𝐯𝐞𝐝 𝐚 𝟐𝐱 𝐛𝐨𝐨𝐬𝐭 𝐢𝐧 𝐩𝐡𝐨𝐭𝐨 𝐮𝐩𝐥𝐨𝐚𝐝 𝐫𝐞𝐥𝐢𝐚𝐛𝐢𝐥𝐢𝐭𝐲 by implementing a fault-tolerant module that determines the optimal number of concurrent upload requests based on the user’s network connectivity.

· 𝐄𝐱𝐭𝐞𝐧𝐝𝐞𝐝 𝐬𝐞𝐜𝐮𝐫𝐢𝐭𝐲 𝐨𝐩𝐭𝐢𝐨𝐧𝐬 by integrating the client’s system with their business partner’s Identity Server, using the OpenID Connect protocol.

Senior Software Engineer

Darwin

☑️ Report Validation System

The client, a UK company providing flexible benefits to over 2 million employees around the world, was dealing with an error-prone report configuration module that allows business partners to visualize benefits usage insights.

· 𝐃𝐞𝐜𝐫𝐞𝐚𝐬𝐞𝐝 𝐭𝐡𝐞 𝐜𝐡𝐚𝐧𝐜𝐞 𝐨𝐟 𝐜𝐫𝐞𝐚𝐭𝐢𝐧𝐠 𝐚𝐧 𝐢𝐧𝐯𝐚𝐥𝐢𝐝 𝐫𝐞𝐩𝐨𝐫𝐭 𝐛𝐲 𝟗𝟎% by implementing a validation system that runs the report configuration on a limited subset of data, enabling the client to make better decisions before generating a full report.

Amdaris

☑️ Data Analysis SaaS Application

The client, a UK-based startup, was aiming to improve their B2B data analytics SaaS to maintain high client retention and expand the product to a wider market.

· 𝐂𝐫𝐞𝐚𝐭𝐞𝐝 𝟐 𝐧𝐞𝐰 𝐫𝐞𝐯𝐞𝐧𝐮𝐞 𝐬𝐭𝐫𝐞𝐚𝐦𝐬 by implementing pay-to-access features that give clients deep insights into their data and recommend strategies for minimizing pay discrepancies.

· 𝐋𝐞𝐝 𝐚 𝐭𝐞𝐚𝐦 𝐨𝐟 𝟑 𝐝𝐞𝐯𝐞𝐥𝐨𝐩𝐞𝐫𝐬 by designing new REST endpoints, offering implementation guidelines to team members and effectively communicating with the Product Owner to ensure we delivered the expected results.

· 𝐃𝐞𝐜𝐫𝐞𝐚𝐬𝐞𝐝 𝐭𝐡𝐞 𝐝𝐞𝐯𝐞𝐥𝐨𝐩𝐦𝐞𝐧𝐭 𝐞𝐟𝐟𝐨𝐫𝐭 𝐨𝐟 𝐧𝐞𝐰 𝐟𝐞𝐚𝐭𝐮𝐫𝐞𝐬 𝐛𝐲 𝟐𝟎% by refactoring the front-end codebase into a more scalable and maintainable architecture, following the best practices and coding standards.

☑️ Holiday Management Application

The client, a UK company providing software development services, was dealing with scalability issues on their third party application for managing employees’ holidays, since the subscription cost would grow proportionally with the number of employees.

· 𝐑𝐞𝐝𝐮𝐜𝐞𝐝 𝐜𝐨𝐬𝐭𝐬 𝐛𝐲 𝟖𝟎% by building a custom Holiday Management Application that runs on-premises or in cloud and synchronizes with Azure Active Directory and the Office365 Calendar of the organization.

Software Engineer

☑️ Tool for auto-filling .doc files templates

The client, a UK company providing software development services, needed to integrate a tool for populating Word documents based on a given template into their application, but the development team was focused on delivering other features for the client.

· 𝐒𝐚𝐯𝐞𝐝 𝐮𝐩 𝐭𝐨 𝟐 𝐦𝐨𝐧𝐭𝐡𝐬 𝐨𝐟 𝐝𝐞𝐯𝐞𝐥𝐨𝐩𝐦𝐞𝐧𝐭 𝐭𝐢𝐦𝐞 by researching, building and documenting a minimal proof of concept for populating Word documents templates with any kind of data that could be easily plugged into the main system.

☑️ Data Analysis Mobile Application

The client, a UK company providing software development services, was in dire need of a survey results visualization tool for their internal processes, to make better decisions based on responses from employees.

· 𝐑𝐞𝐝𝐮𝐜𝐞𝐝 𝐝𝐚𝐭𝐚 𝐚𝐧𝐚𝐥𝐲𝐬𝐢𝐬 𝐭𝐢𝐦𝐞 𝐛𝐲 𝟕𝟎% by building a mobile application showing personalized data insights based on every employee’s survey input.

☑️ Chatbot for Microsoft Teams

The client, a UK company providing software development services, had issues with employees forgetting to register personal events in their work calendars and often ended up with meetings overlapping these events.

· 𝐑𝐞𝐝𝐮𝐜𝐞𝐝 𝐭𝐡𝐞 𝐧𝐮𝐦𝐛𝐞𝐫 𝐨𝐟 𝐨𝐯𝐞𝐫𝐥𝐚𝐩𝐩𝐢𝐧𝐠 𝐞𝐯𝐞𝐧𝐭𝐬 𝐛𝐲 𝟖𝟎% by building a custom chatbot for Microsoft Teams able to interpret simple conversations, register events in the Office365 Calendar and send reminders via chat messages.

☑️ Blockchain Proof of Concept

The client, a UK company providing software development services, was unsure whether they should integrate an application with the Ethereum blockchain.

· 𝐒𝐚𝐯𝐞𝐝 𝐨𝐯𝐞𝐫 𝟑 𝐦𝐨𝐧𝐭𝐡𝐬 𝐨𝐟 𝐝𝐞𝐯𝐞𝐥𝐨𝐩𝐦𝐞𝐧𝐭 𝐭𝐢𝐦𝐞 by researching and implementing a proof of concept for smart contracts on the blockchain for their specific use case and documenting the necessary steps to integrate it into the main system.

☑️ Data Visualization Application

The client, The School of Literature and Languages of a UK University, required a data visualization web application for their latest research project, allowing users to intuitively navigate through the data on any device.

· 𝐄𝐧𝐬𝐮𝐫𝐞𝐝 𝟏𝟎𝟎% 𝐜𝐥𝐢𝐞𝐧𝐭 𝐬𝐚𝐭𝐢𝐬𝐟𝐚𝐜𝐭𝐢𝐨𝐧 by building and delivering a features-rich web application that went beyond the initial scope of the project.

🌍 Senior Angular & .NET Developer • Contractor • Freelancer | Designing and implementing clean software solutions

I am a Senior Angular & .NET Full Stack Developer with 𝟓+ 𝐲𝐞𝐚𝐫𝐬 𝐨𝐟 𝐞𝐱𝐩𝐞𝐫𝐢𝐞𝐧𝐜𝐞. I design and implement clean, fast, and readable code, and I am passionate about the software architecture and design of highly scalable distributed systems.

About my main skills:

✔️ 𝐁𝐚𝐜𝐤 𝐄𝐧𝐝
- ASP.NET Core
- C#
- EF Core
- RabbitMQ

✔️ 𝐅𝐫𝐨𝐧𝐭 𝐄𝐧𝐝
- Angular
- TypeScript
- RxJs
- NgRx / NGXS

✔️ 𝐒𝐨𝐟𝐭𝐰𝐚𝐫𝐞 𝐀𝐫𝐜𝐡𝐢𝐭𝐞𝐜𝐭𝐮𝐫𝐞 𝐚𝐧𝐝 𝐃𝐞𝐬𝐢𝐠𝐧
- SOLID
- CQRS
- OpenID Connect
- REST API Design
- Microservices

🌎 Only open to fully remote positions as a contractor.

⚡ Are you interested in how my skills and experience can bring value to your software products?
𝐋𝐞𝐭'𝐬 𝐝𝐢𝐬𝐜𝐮𝐬𝐬!

📧 Email: stefan.oproiu@outlook.com

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