Senior .NET Developer (Capital Markets)

Endava

Krakow, Poland

Job Description

Development is the largest discipline at Endava. Our developers design, build, and release software products using a wide range of programming languages, frameworks, and technologies. Working closely with cross-functional project teams, our developers are adaptable problem-solvers with a client-oriented mindset.

Responsibilities

Designs, estimates, and implements technical solutions for medium/high-complexity applications.
Participates actively in all phases of the application development lifecycle.
Collaborates with various project stakeholders to provide support in clarifying requirements, processes, architecture, and priorities.
Recommends and promotes IT industry standards, tools, and engineering best practices (including DevOps) to deliver high-quality software solutions.
Proposes improvements and escalates risks or issues related to development activities.
Participates in code reviews and provides constructive feedback to development team members.
Learns and applies new technologies, practices, and tools as appropriate to the project.
Participates in internal and external technology communities, knowledge-sharing sessions, and industry events.
Shares experience and technical knowledge gained from projects with colleagues.

Qualifications

6+ years of experience in software development using Microsoft technologies.
Experience working in Capital Markets, Trading, Equity Derivatives, or the broader Financial Services industry is required.
Strong understanding of common programming paradigms (Object-Oriented Programming, Functional Programming, etc.).
Strong familiarity with design and architectural patterns and clean code principles (e.g., SOLID, GoF).
Proficient in C#, .NET 6/7/8 or .NET Core, ASP.NET Core, Entity Framework Core, Visual Studio or JetBrains Rider, and NuGet.
Experience building RESTful APIs and distributed applications.
Practical experience working with relational databases and SQL (e.g., SQL Server, PostgreSQL, Oracle).
Good understanding of version control systems such as Git.
Solid experience with unit testing and mocking frameworks (e.g., xUnit, NUnit, MSTest, Moq).
Familiarity with communication protocols and standards such as HTTP, REST, JSON, TCP/IP, and messaging technologies.
Experience with Agile methodologies (e.g., Scrum, Kanban).
Knowledge of CI/CD tools and practices (e.g., Azure DevOps, GitHub Actions, Jenkins).
Good problem-solving skills and analytical thinking.
Excellent communication and teamwork abilities.
Upper-intermediate or higher English proficiency.