Offer summary

Qualifications:

6+ years of backend development experience, especially with .NET Core/C#..

Key responsibilities:

Build and scale the backend platform using .NET and microservice architecture.

Collaborate with the tech architect to define architecture and core domain models.

Implement high-availability backend components with observability, logging, and debuggability.

Support and mentor other engineers while remaining hands-on in development.

Job description

We at Holycode are currently looking for a passionate and experienced Senior Full-Stack Engineer (75% .NET / 25% Vue) to join our team, vertX IQ, a Swiss-based financial services and technology company revolutionizing how institutional investors manage performance, risk, and long-term strategy.

vertx IQ is a cloud-based SaaS platform designed for institutional investors—including pension funds, family offices, and investment funds—to centralize and visualize financial, actuarial, and operational data in one place. By combining intelligent simulations, real-time insights, and self-service reporting tools, the platform enables smarter, faster, and more transparent decision-making.

Core functionalities include:
Investment controlling & benchmarking
Portfolio simulation and optimization
Real-time performance tracking
Self-service stakeholder-specific reporting
A powerful cloud-native architecture with a user-friendly frontend

What you'll work on:

Build and scale the backend platform using .NET and microservice architecture
Collaborate with the tech architect to define architecture and core domain models
Implement high-availability backend components with observability, logging, and debuggability in mind
Contribute to the frontend using Vue.js (micro frontend setup) where necessary
Drive clean code, TDD, and DDD practices across the team
Ensure enterprise-readiness: system security, maintainability, scalability
Be a key voice in technology choices, product evolution, and platform vision
Collaborate across a responsive and agile team (2+ releases/day) and ensure fast delivery cycles
Support and mentor other engineers in the future, while remaining hands-on in development

What we're looking for:

6+ years of backend development experience, with a strong focus on .NET Core/C#
Experience with microservice-based architectures, ideally deployed via Kubernetes
Hands-on experience building and maintaining secure, testable, and observable systems
Solid frontend experience with Vue.js or similar frameworks (React, Angular)
Familiar with TDD, DDD, unit/integration testing, and structured coding principles
Proactive and structured engineer with an eye for detail and maintainable solutions
Fluent in English with excellent communication skills, especially in cross-functional teams

Bonus if you have:

Experience with Python in microservice setups
Background in FinTech, RegTech, or compliance-heavy environments
Familiarity with tools such as GitLab CI/CD, Sentry, Prometheus, etc.
Past role as tech lead, founding engineer, or product owner
Exposure to simulation systems, financial analytics, or investment reporting tools

Why you will love working here:

Build a greenfield backend system for a platform already in use by top-tier financial clients
High-growth company in which you can find exciting and trend-setting challenges
Amazing product to work on
Familial working atmosphere in an open-minded multinational team
Working remotely (from Romania)
All necessary equipment – up to you to decide what you prefer
A budget for professional improvement (courses, conferences, books…)
A budget for multi benefits platform (meal tickets, private pension, etc)
Premium private medical subscription with nationwide coverage
Budget for the mastery of the English and German languages
Skilled and senior co-workers
Opportunities to build products that really make a difference
Opportunities to learn and grow with us

If you are looking for an environment where you can grow professionally, learn from the best in the field, balance work and life habits and have a pleasant and enthusiastic environment, please submit your CV in English.

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