Senior/Lead Software Engineer | OTC Product Area, Fintech Solutions

Location: Copenhagen, with a hybrid model requiring a minimum of two days per week in the Copenhagen office and up to three days working remotely; Warsaw is also listed as another location.

Company

hirify.global develops integrated investment management solutions for investment and asset managers and serves large financial institutions.

What you will do

• Design, build, extend, and consume REST APIs and solutions for OTC asset management products.
• Implement new features and maintain established solutions supporting uninterrupted customer operations.
• Work primarily with C#, while contributing to a codebase that also includes OCaml and APL.
• Understand, refactor, and modernize legacy code without disrupting the supported business.
• Improve system quality, performance, user experience, scalability, automation, and operational resilience.
• Collaborate with product owners and engineers through requirements refinement, design, coding, testing, code review, pairing, and shared solution ownership.

Requirements

• Solid C# skills; the expected ownership and architectural input depend on seniority.
• Experience with, or genuine interest in, functional programming and willingness to learn new languages and paradigms.
• Experience or strong interest in refactoring existing code and working with legacy systems.
• Track record of contributing to architectural decisions for scalable backend systems.
• Good collaboration and communication skills, with fluent written and spoken English.
• A relevant Computer Science or STEM degree with demonstrated hands-on software engineering experience.
• Motivation to work in the financial domain, collaborate with cross-functional teams, identify technical debt, and drive incremental improvement.

Nice to have

• Familiarity with OCaml, APL, F#, Standard ML, Scala, or Haskell.

Culture & Benefits

• Work in a small team of highly skilled engineers across the full SDLC, from customer needs and solution design through coding, testing, and maintenance.
• Flexible working hours and a hybrid workplace model.
• Competitive salary, bonus scheme, and pension.
• Quarterly IP innovation sprints with dedicated time for skills development and company contributions.
• Individual professional development support and opportunities to deepen technical and financial expertise.
• Collaborative culture focused on knowledge sharing, continuous learning, and responsible business decisions.

Hiring process

• Applications are assessed continuously; candidates should submit a CV in English.
• The approximate CV review time is three weeks.
• Candidate feedback is requested during the process to improve the talent acquisition experience.