Principal Engineer (VB6 & .Net)

About us:

Quoreka has a formidable presence in the vendor solutions market for metals, energy, and agriculture. Catering a wide range of asset classes, our company utilizes a cloud-based suite of CTRM and ETRM solutions enhanced by AI/ML technology, alongside Supply Chain Management and E-Sourcing products. Today, we boast of extensive CTRM/ETRM expertise across softs, ags, fertilizers/chemicals, liquids, precious metals, concentrates, energy and much more.
Quoreka is able to provide the industry with a very unique offering that meets the growing demands of commodity traders, energy merchants miners, industrials to producers providing best-in-class functionality, user experience, technology and services. Our product roadmap is innovation-centric, focusing on AI and delivering strong product value propositions with clear short-term, medium-term, and long-term goals. Quor Group has over 200 employees and offices across the UK, India, Australia, Switzerland and Canada, serving ~100 customers globally across multiple commodity segments.

About the Role :

We are seeking a highly skilled and experienced Senior Software Engineer to join our engineering team. You will be responsible for the design, development, and optimization of a complex Windows and web services, built on VB6 and .NET technologies.

This role spans the full software development lifecycle from requirements analysis and user story creation to architecture design, implementation, performance tuning, documentation, and deployment. You will ensure high performance, scalability, and reliability, while also providing technical leadership to the team.

Responsibilties :

• Conduct systems and requirements analysis to define clear user stories and break them into actionable tasks.
• Provide accurate estimation of development effort and contribute to sprint and release planning.
• Lead and participate in architecture and design discussions for new features and enhancements.
• Identify and communicate technical risks, propose mitigation strategies, and ensure timely resolution.
• Design, develop, and maintain complex Windows applications and web services.
• Perform code reviews to enforce best practices and maintain code quality.
• Optimize application performance, diagnose bottlenecks, and implement scalable solutions.
• Ensure robust development practices through unit testing, integration testing, and CI/CD pipelines.
• Prepare and maintain technical documentation to support development, onboarding, and long-term maintainability.
• Collaborate with architects, product managers, QA, and peers in an Agile/Scrum environment using Jira for sprint management.
• Troubleshoot and resolve production issues while implementing long-term fixes.
• Mentor junior developers and contribute to knowledge sharing within the team.
• Work with tools such as GitHub Copilot, Git, Jira, TeamCity, SharePoint, Visual Studio.

Required Skills and Experience :

• 15+ years of professional experience in software development with VB6, C# and .NET Framework.
• Strong background in Windows desktop application development and web services (REST, ODATA, or gRPC).
• Proficiency in systems design, architecture, requirements analysis, and user story creation.
• Experience in effort estimation, risk identification, and mitigation planning.
• Deep expertise in object-oriented programming, design patterns, and multi-threaded applications.
• Proven experience in application performance tuning (profiling, memory management, threading, SQL query optimization).
• Proficiency in SQL Server (or other RDBMS), including query optimization and performance tuning.
• Hands-on experience with source control (Git), CI/CD (TeamCity, Azure DevOps), and Agile methodologies.
• Familiarity with AI-assisted development tools (e.g., GitHub Copilot).
• Experience with collaboration and documentation tools such as Jira, SharePoint, and Confluence.
• Demonstrated ability to work on complex, large-scale enterprise applications.

Required Competencies :

• Analytical Thinking & Problem-Solving Skilled at analyzing complex systems and resolving technical challenges.
• Attention to Detail Delivers high-quality, maintainable, and scalable code.
• Collaboration & Communication – Works effectively with cross-functional teams and stakeholders.
• Ownership & Accountability – Takes full responsibility for deliverables from design to deployment.
• Risk Awareness – Identifies potential risks early and proactively develops mitigation plans.
• Adaptability – Thrives in a fast-changing environment and embraces new technologies.
• Continuous Learning – Actively seeks to improve technical expertise and stay current with emerging tools.

Nice to have :

• Experience with cloud integration (Azure/AWS) is a strong plus.
• Knowledge of DevOps practices (monitoring, deployment automation, infrastructure as code) is a strong plus.
• Experience in integrating with third-party APIs/services is a strong plus.