Senior Software Engineer (C#, .Net)

fnz    Brno - Czech Republic    2024-02-11

Job posting number: #88967 (Ref:REQ-10227)

Job Description

Senior Software Developer - C# .Net

Brno - Czechia

About Us

FNZ is a global organization with over 4500 employees based in over 25 countries worldwide. We operate in the Fin-Tech and Wealth-Tech markets. Many of the world's largest financial brands and their millions of customers use the FNZ platform. We currently have over 1.5 trillion USD in assets under management on our platform.

We are looking for Senior Software Developers to join our talented teams. We operate a flexible working model and are seeking people to join us in Brno - Czech Republic.

About the job

We have the opportunity for Developers to work on back-end or full stack. It is important to mention that here in FNZ, we do not necessarily require people who know all our stack, far from it. If you have some of the technical skills mentioned or even have the appetite to learn a new programming language, we do provide training. We look to invest in people and talent who can grow with the company on our exciting journey.

Developers at FNZ are all-rounders who analyze required system changes, design databases, write complex financial business logic, and create slick web applications. They also work closely with analyst testers and other members of the project team to produce world-class software.   Our solutions are delivered through .NET, C#, React, SQL, and many other technologies; we’re passionate about exploring the newest technologies and incorporating them into our development. 

JOB IS FROM: italents.netVIEW


  • Bachelor's degree or higher and/or equivalent experience;

  • Expert in Microsoft .NET development products, including .NET, C# and SQL Server;

  • Understanding of web services;

  • Familiar with code analysis or automated testing tools

  • Experience in working on large-scale technology delivery projects and successfully delivering technology change as part of these projects;

  • Confident, and able to take a lead role in a delivery-focused environment;

  • Experience in working with different levels of stakeholders within a project environment;

  • Independent, self-directing working style;

  • Ability to learn quickly in a dynamic fast-paced industry;

  • Enjoy working as part of a high-performance team;

  • Hard-working, innovative, and takes pride in their work; and

  • Passionate about creating innovative solutions for customers.

Role Responsibilities


  • Keep abreast of the latest and/or relevant technologies, tools, and methods. Identify adoption of technology, tools, and methods best suited to FNZ;

  • Proactively resolve technical (environmental, coding, and testing) issues that impede development progress. Assist in the resolution of technical issues when requested by other developers; and

  • Create novel solutions to problems by incorporating cutting-edge technology or generic concepts.

Analysis & Design

  • Assist the analyst tester in the creation of user story definitions and acceptance criteria

  • Work within the constraints of the feature/user story to define the underlying design required to deliver these changes

  • Ensure the solution is well-defined and fit for purpose.  It must meet the requirements and work end-to-end.  This will require a solid understanding of the underlying business processes involved in and surrounding the change

  • Provide solutions and recommendations for the resolution of technical issues that arise and ensure solutions meet the technical specs and design requirements;

  • Help design and build APIs and external system interfaces for integration into core FNZ products and third-party vendor applications;


  • Interpret complex financial business requirements and translate them into high-transactional, high-availability, secure, working systems;

  • Design and build the highly intuitive user interface and interactive financial tools required by financial advisers and investors;

  • Develop real-time transaction processing systems that support millions of trades every day in investment securities in multiple world markets;

  • Work closely with our Solution Consultants and Analyst Testers to design and implement new functionality for our major institutional customers around the world.

  • Collaborate with other developers to make sure that the solutions developed are robust and in line with the requirements;

  • Ensure code is designed and built in a reusable manner.

  • Able to build high-complexity features end-to-end

  • Expert in multiple system/technical areas of the FNZ platform

  • Contributor to global non-client-specific projects to advance key technical strategies across FNZ.


  • Adhere to the defined procedures for code management, code reviews, coding standards, naming conventions, and security standards;

  • Write automated unit tests for any newly created code; and

  • Perform manual testing to ensure any changes made to the system are of a high standard and the system hasn’t regressed.

  • Perform code reviews for developers on their own and different projects, inside the solution center, to ensure that proposed changes meet quality and best practice standards.

  • Able to design new core system functionality or completely redesign existing ones.

Collaboration / Communication

  • Promote the development team both internally and externally. Ensure that creative solutions, tight code, and tough problems are called out appropriately to the developer community, and where they lead to visible outcomes, to the broader FNZ teams and clients; and
  • Collaborate with other developers to share knowledge, best practices, useful technology, and opportunities for cross-project system design/solutions.
  • Mentor new starters to ensure they understand both the platform and SDLC.
  • Provide solution centre-wide training, as required, on topics of personal expertise.
  • Perform the role of Lead Developer for client projects, if required.


If this sounds like you then please apply!  

At FNZ, we recognize that diversity, inclusion, and accessibility are important factors for our success. We embrace the unique perspective and capabilities of our current and future employees, which will help us continue to drive innovation and achieve our business goals. Recruitment decisions at FNZ are made in a non-discriminatory manner where all employees are valued and respected. In particular, we want to ensure accessibility needs are well supported thus, ensuring our recruitment process is fair and equitable for all applicants.

Please let us know if there is any support we can provide to ensure FNZ’s recruitment process is fully accessible to you. You can contact us at to discuss specific requirements.

About FNZ

FNZ is committed to opening up wealth so that everyone, everywhere can invest in their future on their terms. We know the foundation to do that already exists in the wealth management industry, but complexity holds firms back. 

We created wealth’s growth platform to help. We provide a global, end-to-end wealth management platform that integrates modern technology with business and investment operations. All in a regulated financial institution. 

We partner with over 650 financial institutions and 12,000 wealth managers, with US$1.5 trillion in assets under administration (AUA).

Together with our customers, we help over 20 million people from all wealth segments to invest in their future.

Employer Info

Job posting number:#88967 (Ref:REQ-10227)
Application Deadline:2024-03-12
Employer Location:fnz
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