Senior .NET Developer (Banking & Capital Markets)
Offer summary

(Summary generated by AI based on the full job description)

The project focuses on the banking and capital markets sector, with emphasis on developing microservice-based applications using .NET, SQL, NoSQL, cloud, and AI. Key technologies include .NET Core, Docker, Kubernetes, Azure, RESTful web services, C#, SQL, Oracle PL/SQL. Responsibilities cover software development and maintenance, performance optimization, technical documentation, and working within Agile methodologies. Experience in investment domain and at least 5 years in .NET development are required.

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Senior .NET Developer (Banking & Capital Markets)

Company: Capgemini Polska

from: 19 June 2026
to: 19 July 2026
salary not specifiedcontract of employment (full-time)
Offer parameters
level:senior
working mode:hybrid
Poznań, Grunwald
Poznań, GrunwaldKolorowa 6View on map

Requirements

Expected technologies

SQL
.NET

Our requirements

  • You have experience in Capital Markets domain
  • You have at least 5 years of commercial experience in creating systems based on .NET;
  • Proficient in writing complex SQL queries, understanding database schemas, and data manipulation.
  • You have an engineering degree or a master's degree in computer science or similar area;
  • You speak English fluently;
  • You are committed and able to work in a team, with the willingness to develop and learn.

Your responsibilities

  • You will create applications for the financial industry, actively taking care of its development throughout its entire life cycle, based on microservice architecture created in .NET, SQL, NoSQL, Cloud, RESTful web services, AI technologies and others;
  • You will become a member of an international team working based on agile methodologies and professional software development process;
  • Create and maintain technical documentation, including design documents, functional specifications, and support guides.
  • Identify and address performance bottlenecks in both application code (C#, .NET) and database queries (SQL, Oracle PL/SQL).
  • You will develop in the areas which are of interest to you, including microservices, .NET, Big Data, Cloud, Oracle Database BDD, and TDD.
Company

About the project

A dynamic project portfolio development characterizes our company. One sector we provide services for is Banking and Capital Markets. Therefore, we are constantly looking for experienced .NET Developers with a passion for creating high-quality software and eager to gather domain knowledge in the area of Investment Banking.
We work with cutting-edge technologies, widely using a microservice approach, distributed application architecture, asynchronous communication, artificial intelligence and cloud-based solutions. We use a variety of tools tailored to the challenges we face daily. Among them, we can find: .NET Core, Docker & Kubernetes, GIT & Bitbucket, Azure & Azure DevOps, JIRA and Jenkins, and SQL & NoSQL. The work is carried out in the spirit of Agile, with a constant focus on the client’s needs.

What we offer

  • Enjoy hybrid working model that fits your life - after completing onboarding, connect work from a modern office with ergonomic work from home thanks to home office package (including laptop, monitor, and chair). Ask your recruiter about the details.
  • Access to over 70 training tracks with certification opportunities (e.g., GenAI, Architects, Google) on our NEXT platform. Dive into a world of knowledge with free access to Education First languages platform, Pluralsight, TED Talks, Coursera and Udemy Business materials and trainings.
  • Practical benefits: private medical care with Medicover with additional packages (e.g., dental, senior care, oncology) available on preferential terms, life insurance and 40+ options on our NAIS benefit platform, including Netflix, Spotify or Sports Card.

Benefits

  • sharing the costs of sports activities
  • private medical care
  • life insurance
  • no dress code
  • parking space for employees
  • extra social benefits
  • redeployment package
  • employee referral program
  • charity initiatives
  • access to courses e.g. Excel, VBA, RPA, Customer Care
  • unlimited access to Udemy Business
  • free chat/call with a therapist

Recruitment stages

  • 1.
    Interview with the recruiter
  • 2.
    Competency Tests/Language Verification
  • 3.
    Video call with a manager
  • 4.
    Final Decision

Capgemini Polska

Capgemini is a global leader in partnering with companies to transform and manage their business by harnessing the power of technology. The Group is guided everyday by its purpose of unleashing human energy through technology for an inclusive and sustainable future. It is a responsible and diverse organization of over 360,000 team members globally in more than 50 countries. With its strong 55-year heritage and deep industry expertise, Capgemini is trusted by its clients to address the entire breadth of their business needs, from strategy and design to operations, fueled by the fast evolving and innovative world of cloud, data, AI, connectivity, software, digital engineering and platforms.

This is how we work

Senior .NET Developer (Banking & Capital Markets)
I apply to:
Capgemini Polska
Poznań, Grunwald
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