Senior .NET Developer at Provident Polska – Warszawa | Jobyssey

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.

What you'll do

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.

Your responsibilities will include:

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.

Additional responsibilities as a Senior .NET Developer

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.

What we're looking for

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.

NICE TO HAVE:

- Hands-on experience with modern front-end technologies and frameworks, including React

Experience with ETL processes and data integrations solutions (SSIS)

What we can 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.

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