Senior .Net/C# Developer

Job description

Senior .Net/C# Developer should be able to understand thoroughly the end-to-end application development methodology, become fully conversant with all tools to provide effective end-to-end application support.

Team: global scrum team (Poland and USA).

Challenging in this role may be:

  • Ad-hoc system analysis and investigation.

  • Understand the current applications and business processes, identify extensions and new


  • Priorities are dynamic depending on the scope objectives.


Your responsibilities

  • Design and develop enterprise applications (new application for short-term project management)
  • Familiarize with the applications, tools, feeds, databases, and batch files that are being supported by the team

  • Document, troubleshoot and isolate problems encountered in Production

  • The candidate is expected to be an extremely qualified developer of the highest caliber, capable of independently extracting requirements, deducing development tasks and delivery components.

Our requirements

  • 5+ years in developing software solutions

  • Experience in Web development, primarily with SPA Framework’s (Angular 10+, ReactJs),

    Javascript, TypeScript, MVC/WebApi, REST web services

  • Expert working knowledge of C# and .NET/.NET Core

  • Expert Database skills with any RDBMS systems (primarily SQL Server)

  • Experience developing heavy JavaScript applications (mainly Angular with TypeScript)

  • Good knowledge of HTML and CSS

  • Debugging JavaScript using the browser tools (MS Edge / Chrome)

  • Good knowledge of SOA tools (messaging, web-services)

  • Must be a self-starter and be able work well in fast paced, dynamic environment

  • Very good English skills

Nice to have:

  • Experience of working with cloud hosted applications (e.g. OpenShift)

  • Experience with messaging technologies

  • Experience with Visual Studio

  • Experience with Jira

  • Experience with multi-threading and asynchronous messaging workflows

  • Writing test using JavaScript (Jest, Mocha etc), Node.js etc.

  • DevOps Awareness, creating and managing CI/CD with TeamCity/Jenkins

  • Creating tests with Gherkin, NUnit, SpecFlow, Jest, Mocha

  • Git (Git Flow)

  • Developing windows applications

  • Knowledge of the investment banking, especially experience in Front Office trading applications would be a huge plus.


  • Attractive salary referring to your skills and experience
  • Ability to work from home (later probably hybrid model)
  • For contractors - entitlement to additional 23 days off
  • For COW employees - additional paid day off for volunteering

  • Flexible approach regarding working hours
  • Joining the company that is providing exceptional services for the biggest, international customers with recognizable worldwide brands
  • Be part of an open-minded team with strong team spirit
  • Private medical healthcare
  • Multisport Card
  • Life insurance
  • E-learning platform UDEMY access
  • Personal event bonus (i.e. wedding, childbirth, graduation)
  • Internal referral program

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