Job Details

Consultant, Applications Development

Granite Solutions Groupe provides financial services decision makers with people and solutions that deliver. Our clients count on us to deliver the right talent at the right time to achieve critical business results. We leverage our industry knowledge and passion for client priorities to deliver human capital solutions.

About Our Firm

GSG was founded in 1998 as a consulting firm delivering project management and technology solutions for the financial services industry. GSG now has a global presence, with team members deployed across the U.S. at Fortune 1000 companies and high‑performing fintech firms.

High‑caliber consultants are the face of GSG at our client organizations and offices. We value the deep relationships we have with our consultants that enable us to place them in roles where their skills will have an immediate impact. The GSG consulting team is comprised of diverse, experienced, driven, and dynamic contributors who excel at getting things done.

About the Opportunity

GSG is seeking an experienced, highly skilled API/.NET developer to join our team on a highly hands‑on modernisation project. This role focuses on redesigning and modernising legacy Windows applications currently hosted on‑premises, with migration to Azure. The ideal candidate is highly technical, hands‑on, and comfortable assessing architectural approaches while delivering high‑quality solutions in a fast‑paced environment.

Responsibilities

• Design, build, and maintain RESTful and Web APIs ensuring scalability, performance, and security.
• Redesign and modernise legacy Windows applications for migration to Azure.
• Write, optimise, and maintain SQL queries, procedures, and stored procedures.
• Apply security best practices and understand common vulnerabilities.
• Collaborate closely with onshore/offshore teams and stakeholders.
• Provide production support, troubleshoot issues, and deliver solutions quickly.
• Participate in technical interviews, demonstrating hands‑on expertise.
• Implement version control, documentation, and lifecycle management for APIs using tools such as Swagger (OpenAPI), Postman, and Azure API Management.
• Ensure APIs adhere to enterprise security, governance, and compliance standards.
• Focus primarily on backend and API development; minimal front‑end involvement.

Requirements

• Bachelor's degree in computer science, finance or other relevant area.
• 10 years of progressive technical experience in a financial services organisation.
• Deep hands‑on experience with C#, .NET Core, ASP.NET.
• Strong understanding of multi‑processing, tasking, and threading.
• Proficient in SQL Server and enterprise frameworks.
• Experience with containerisation (Docker) and cloud‑native deployment.
• Familiarity with Azure.
• Highly hands‑on, practical, and business‑minded approach.
• Strong interpersonal and communication skills; proactive and able to "get things done".
• Ability to collaborate with stakeholders and provide production support.
• Detail‑oriented and capable of building, testing, and deploying applications with minimal hand‑holding.

Employee Benefits

GSG is excited to offer its consultants excellent compensation and a robust option of benefits which include comprehensive medical, dental, vision and prescription coverage. You will receive company‑paid life insurance. In addition, we hope you will take advantage of eligible commuter benefits‑like paying for work‑related public transit and parking with pre‑tax dollars. Save for your retirement with pre‑tax contributions that go directly into your 401K. We also care about your pets with several options for pet insurance, discount card and prescriptions.

GSG's Commitment to Diversity

As a diverse‑owned business, GSG is committed to creating a diverse workforce, and we are proud to be an equal‑opportunity employer. All qualified applicants will receive consideration for employment without regard to race, colour, religion, gender, gender identity or expression, sexual orientation, national origin, genetics, disability, age, or veteran status.