Senior .NET Developer (Banking)
Confirmed on the employer's own hiring board on Oct 5, 2026. First seen by Alion on Jun 17, 2026. Capgemini scores B on the Alion truth index.
Choosing Capgemini means choosing a company where you will be empowered to shape your career in the way you’d like, where you’ll be supported and inspired by a collaborative community of colleagues around the world, and where you’ll be able to reimagine what’s possible. Join us and help the world’s leading organizations unlock the value of technology and build a more sustainable, more inclusive world.
YOUR ROLE
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.
YOUR TASKS
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.
YOUR PROFILE
You have experience in Capital Markets domain
You have at least 5 years of commercial experience in creating systems based on .NET;
You have experience and understanding of frontend technologies - Angular / React;
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.
WHAT YOU’LL LOVE ABOUT WORKING HERE
- 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.
GET TO KNOW US
Capgemini is committed to diversity and inclusion, ensuring fairness in all employment practices. We evaluate individuals based on qualifications and performance, not personal characteristics, striving to create a workplace where everyone can succeed and feel valued.
Do you want to get to know us better? Check our Instagram - @capgeminipl or visit our Facebook profile - Capgemini Polska. You can also find us on YouTube.
ABOUT CAPGEMINI
Capgemini is the business transformation partner for enterprises in the age of AI. We help organizations imagine and build an intelligent, sustainable future, combining AI, technology and human ingenuity to transform how they operate, innovate and grow. With unique end-to-end capabilities spanning strategy, technology, engineering and intelligent operations, we bring together deep industry expertise and market-leading capabilities in AI, cloud and data to turn ambition into measurable business outcomes at scale. Supported by a robust ecosystem of partners and nearly 60 years of expertise, Capgemini is a responsible and diverse global organization of over 410,000 team members in more than 50 countries. The Group reported 2025 revenues of €22.5 billion.