Senior .NET Developer
Offer summary

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

The project focuses on international IT solutions that support business performance. Work includes developing and maintaining applications and participating across the full software delivery lifecycle. The stack includes C#, .NET (modern versions), MS SQL, MySQL, PostgreSQL, NoSQL, Azure DevOps (CI/CD), AWS serverless and Git. Main responsibilities are architecture design, implementing REST APIs and event-driven systems, refactoring legacy code, conducting PoCs, applying CI/CD practices, troubleshooting and performance improvements, and mentoring plus technical support for the team. Compensation includes performance bonuses.

new

Senior .NET Developer

Company: PROVIDENT Polska

from: 24 September 2026
to: 24 October 2026
salary not specifiedcontract of employment (full-time)
Salary details
basic salary
performance bonus
Offer parameters
level:senior
working mode:hybrid
location:Warszawa, Masovian
Warszawa, Masovian

Requirements

Expected technologies

C#
.NET
MySQL
PostgreSQL

Our requirements

  • Strong experience in software development in C#/NET and application design.) With modern .NET versions
  • Expertise in CI/CD tools and practices in Azure Devops
  • Experience with creating serverless solution on AWS
  • Experience with version control systems, particularly Git
  • Knowledge of design patterns and SOLID principles
  • Designing, developing, and maintaining REST APIs and event-driven systems
  • Working heavly on MS SQL, MYSQL, Postgres Databases , NoSQL databases
  • Experience with AI powered programming tools
  • Experience creating technical and system design documentation.
  • Excellent collaboration and communication skills in an international environment.

Optional

  • Hands-on experience with modern front-end technologies and frameworks, including React
  • Experience with ETL processes and data integrations solutions (SSIS)

Your responsibilities

  • Delivering end-to-end software development projects in an Agile/SCRUM environment.
  • Designing, developing, coding, testing, debugging, and maintaining applications
  • Analyzing business requirements and transforming them into effective technical solutions.
  • Collaborating with Solution Architects on solution planning and application design.
  • Building future-proof, reusable code and driving development efficiencies.
  • Implementing and promoting development best practices, standards, and CI/CD methodologies.
  • Working on development of new projects as well as evaluating existing and legacy codebases and recommending the best approach for ongoing development.
  • Conducting technical analyses, prototypes, and Proof of Concepts (PoCs), and presenting recommendations to stakeholders.
  • Troubleshooting issues, delivering timely bug fixes, and continuously improving application performance.
  • Providing expert advice and guidance on the development and implementation of IT solutions.
  • Communicating development progress and key updates to stakeholders.
  • Working on both local and international projects.
  • Mentor and support other developers, helping to grow technical capabilities within the team.
  • Contribute to high-level design decisions for application components.
  • Provide technical guidance during solution design activities.
  • Act as deputy for the Lead Developer when required.

About the project

Join our international IT team and play a key role in delivering innovative software solutions that drive business performance. We are looking for an experienced Senior .NET Developer who will combine hands-on development with technical leadership, mentoring, and architectural collaboration.
As a Senior .NET Developer, you will translate business requirements into robust, scalable software solutions and contribute across the entire software development lifecycle. You will work closely with Solution Architects, System Analysts, Testers, and other IT teams to design, develop, test, and maintain business-critical applications.

Tak pracujemy

BUILDING A BETTER WORLD THROUGH FINANCIAL INCLUSION
Cel firmy, czyli Building a better world through financial inclusion, zobowiązuje nas do działań wpływających na dobrostan wszystkich naszych interesariuszy:
* Tysiącom Doradców Klienta oferujemy możliwość zarobku i budowania relacji z innymi w dogodnym dla siebie czasie.
* Naszym klientom proponujemy produkty, dopasowane do ich możliwości i potrzeb, dzięki którym mogą realizować swoje plany.
* Dbamy o naszych pracowników, proponując im liczne programy rozwojowe i wellbeingowe.
* Edukujemy rynek, bo zależy nam by konsumenci byli świadomi swoich praw i obowiązków oraz bezpiecznie poruszali się po rynku finansowym.
* Wspieramy również lokalne społeczności poprzez przeróżne działania wolontariackie.
* Uchodźczyniom z Ukrainy zapewniliśmy kompleksowe wsparcie i ochronę.

W Providencie możesz pracować w takich obszarach, jak:

  • Administracja (Centrum Operacyjne w Katowicach)
  • Analityka (business intelligence, hurtownia danych, ryzyko kredytowe)
  • Finanse, księgowość, HR
  • IT (service delivery, architecture, change&transformation, infrastructure, security )
  • Komunikacja, corporate affairs
  • Marketing, PR
  • Obsługa klienta (call centre, windykacja)
  • Prawo, bezpieczeństwo informacji
  • Rozwój produktu, rozwój sprzedaży
  • Sprzedaż
  • Zarządzanie projektami
Company

What we offer

  • Stable employment – 93% of people are employed under an employment contract for an indefinite period.
  • Safety – we have been on the Polish market for 29 years.
  • Friendly work environment – we have received the Top Employer award 13 times in a row.
  • Hybrid work – we usually meet in the office twice a week (Dworzec Gdański metro station).
  • Extra 3 days of paid leave – if you use all your leave in a given calendar year.
  • Private medical care with appointment guarantee service (Medicover).
  • Full implementation under the supervision of a mentor, including a package of professional implementation training.
  • Access to the development platform, including e-learning training, podcasts and webinars.
  • Activities supporting development in the organization, e.g. the "Effective Manager" training series for people holding managerial positions.
  • Business telephone (also for private use).
  • Access to the ProviBenefity cafeteria platform, which is supplied with a monthly amount to be used, or subsidies for your Multisport card - you choose from 5 types of cards.
  • Life insurance (UNUM Życie TUiR S.A.) on preferential terms.
  • Christmas benefits and co-financing for the "Holidays under the pear tree" holiday for you and your children.
  • Psychological support for employees, including: care of a psychologist (including children's), psychotherapist, dietician, coaching.

Benefits

  • private medical care
  • life insurance
  • flexible working time
  • mobile phone available for private use
  • video games at work
  • coffee / tea
  • parking space for employees
  • extra social benefits
  • holiday funds
  • charity initiatives
  • extra leave

This is how we work

Senior .NET Developer
I apply to:
PROVIDENT Polska
Warszawa, Masovian
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