Senior Software Engineer — OTC Fintech Platform

SimCorp USA Inc.; København; Hybrid; DKK 800,000 - 1,100,000; Full time

Benefits offered by this job

Competitive salary

Pension

Hybrid work model

IP innovation sprints

Professional development

Flexible work hours

Job summary

SimCorp USA Inc. in Denmark seeks a Software Engineer at mid, senior, or lead level to join the OTC product area within our fintech solutions. You will design, build, and extend APIs for our OTC asset management platform and collaborate closely with product owners to shape features.

The role emphasizes C#, OCaml, and APL, refactoring legacy systems, and delivering robust REST APIs with CI/CD. You’ll work in a small team in a hybrid setup with regular knowledge sharing, code reviews, and

Qualifications

• Proficiency in C# with hands-on experience in API design and software engineering.
• Exposure to OCaml and APL is a strong plus and would enable cross-language contributions.
• Experience with RESTful services, automated testing, and CI/CD pipelines.

Responsibilities

• Design, build, and extend APIs for the OTC asset management product.
• Refactor and modernize legacy code without disrupting business operations.
• Collaborate with product owners to refine requirements and shape feature development.
• Work as part of a team, including pairing, code reviews, and shared ownership.
• Follow clean code practices, automated testing, and CI/CD processes.
• Build, extend, and consume REST APIs while communicating with stakeholders.
• Continuously learn and contribute to team and product growth.

Skills

C#

OCaml

APL

REST APIs

CI/CD

English fluency

Software design

Education

Bachelor's degree in Computer Science or STEM

Job description

SimCorp USA Inc. in Denmark seeks a Software Engineer at mid, senior, or lead level to join the OTC product area within our fintech solutions. You will design, build, and extend APIs for our OTC asset management platform and collaborate closely with product owners to shape features.

The role emphasizes C#, OCaml, and APL, refactoring legacy systems, and delivering robust REST APIs with CI/CD. You’ll work in a small team in a hybrid setup with regular knowledge sharing, code reviews, and