Senior Software Engineer (Fintech)

TL;DR

Senior Software Engineer (Fintech): Develop, maintain, and extend mission-critical financial systems using Microsoft and PHP technologies with an accent on secure, scalable code and legacy system support. Focus on advanced SQL optimization, cloud administration, and mentoring a development team.

Location: Hybrid in London, UK

Salary: £85,000–£100,000

Company

hirify.global operates an integrated market platform accelerating the global energy transition by providing access to environmental commodities markets and solutions.

What you will do

• Develop secure, performance-optimized, and scalable code with thorough testing and documentation.
• Maintain, support, and debug legacy financial applications in production.
• Collaborate with development and DevOps teams for stable deployment and operation.
• Investigate and resolve performance, stability, and integration issues.
• Write and optimize advanced SQL Server queries, stored procedures, and indexing strategies.
• Contribute to basic cloud administration and mentor junior staff.

Requirements

• Location: Hybrid role based in London, UK
• English: B2 level or higher
• B.S./M.S. in Computer Science or equivalent experience with 5+ years in web application development.
• Strong proficiency in .NET Framework, Entity Framework, ASP.NET Web Forms and Web API, PHP, and JavaScript.
• Expertise with SQL Server and PostgreSQL including query optimization and advanced database features.
• Experience mentoring and leading a small development team.

Nice to have

• Experience with .Net Core, ASP.NET Core, Entity Framework Core, and DevExtreme.
• Basic cloud infrastructure experience (preferably GCP, AWS, or Azure).
• Familiarity with Vue.js, DevExpress, and CI/CD workflows.
• Finance industry experience and understanding of financial products and regulations.

Culture & Benefits

• Commitment to diversity, inclusion, and equal employment opportunity.
• Focus on building trust and transparency in global net-zero efforts.
• Supportive environment for mentoring and team leadership.

Hiring process

• Resume shortlisting and recruiter screening.
• Technical take-home assessment.
• Technical interview with engineers.
• Final interview with key stakeholders.