Senior .Net C# Software Engineer

Reposted 23 Days Ago
Be an Early Applicant
Kallithea
Hybrid
Mid level
Software
The Role
The Senior .NET C# Software Engineer leads project implementation, collaborates with stakeholders, mentors team members, and ensures high-quality software delivery.
Summary Generated by Built In

We are seeking a Senior Software Engineer (.NET) to contribute to the development of advanced, high‑value solutions for leading Financial Services clients. You will work with modern technologies such as C#, microservices and ASP.NET MVC within a structured Agile environment, supporting both product delivery and architectural direction. As part of our Product‑Chapter Matrix, you will collaborate with an established engineering community dedicated to quality, reliability, and continuous improvement.

The Role

  • Own features end-to-end: From discovery and design to implementation and rollout.
  • Architect & Scale: Build resilient .NET microservices and REST APIs.
  • Mentor: Guide teammates, conduct code reviews, and promote engineering best practices.
  • Solve: Proactively address technical risks and complex challenges in an Agile environment.
  • Collaborate: Work closely with BAs and stakeholders to translate business needs into robust code.

What You Bring

  • 5+ years of experience with C#, .NET, and ASP.NET Web API / MVC.
  • Deep CS Foundations: Expertise in design patterns, data structures, and OOP.
  • Data Expertise: Strong SQL skills (query design, performance, and schema modeling).
  • Distributed Systems: Experience with microservices, messaging, and system resiliency.
  • Communication: Clear verbal and written English.
  • Bonus points: Hands-on with Docker, Kubernetes, Azure DevOps, or Angular.

Our Tech Landscape

  • Backend: .NET (C#), Web API, Microservices, MVC.
  • Data/DevOps: SQL Server, PostgreSQL, Redis, Azure DevOps, Git.
  • Observability: Prometheus, Grafana, Jaeger, OpenTelemetry.
  • Infrastructure: Docker, Kubernetes.

Why Relational FS?

  • Community: Structured mentoring and coaching via our engineering chapters.
  • Balance: Hybrid work model and a people-centric culture.
  • Security: Private health insurance and competitive salary from Day 1.
  • Impact: Shape complex, large-scale products for top-tier global clients.

Privacy Policy:

Adheres to the General Data Protection Regulation principles by applying its Privacy Policy as published in https://www.relationalfs.com/legal-information/privacy-policy/ . By submitting an application to this position and by sharing your personal data with Relational Financial Solutions you acknowledge and accept its Policy and authorise Relational Financial Solutions to process your personal data for the purposes of the company's recruitment opportunities, in line to the Policy.

Top Skills

.Net
Angular
Asp.Net Webapi
Azure Devops
C#
Docker
Kubernetes
Microservices
SQL Server
Am I A Good Fit?
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The Company
HQ: Kallithea
233 Employees
Year Founded: 1995

What We Do

We are Relational.

A leading business software provider with just about 30 years of experience,
international footprint and a long track record of serving major industry players, providing invaluable support and driving real business impact.

We deliver Loan Origination, Loan Management and Debt Management solutions through our own i-Apply, CiTRON and AroTRON products. Our long-lasting partnership with a number of international software vendors such as SAP, Informatica, BMC, and Atlassian allows us to also offer Business Service Management, Analytics and Data Governance solutions.

As your strategic partner, we are committed to offer you the best tools to grow your business and excel. And we are there for you along the way.

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