FullStack Engineer

At Mindbox we connect top IT talents with technology projects for leading enterprises across Europe.

You’ll work in Agile sprints, contributing across multiple apps and shared libraries in a hands-on role. Expect to move between feature delivery and infrastructure automation, making this a true full-stack position that touches all layers of the stack.

Sounds like your kind of challenge?

What you’ll be doing

Design and implement backend services and APIs in .NET 9, applying Clean Architecture principles
Build and maintain React + TypeScript microfrontends using a shared UI library with Module Federation
Manage MSSQL / Azure SQL schemas, write/tune T-SQL and EF Core queries
Author Terraform IaC templates (modules, state, multi-environment provisioning) for Azure resources
Implement and optimize Azure DevOps CI/CD pipelines (YAML-based)
Secure APIs using OAuth2/JWT, Azure AD (Entra ID), and Key Vault for secrets management
Instrument services for observability (Application Insights, Serilog structured logs), add health checks and alerts
Read and refactor legacy .NET and T-SQL logic for incremental migration
Write automated tests: unit, integration, API, and end-to-end coverage
Troubleshoot and fix production incidents, enhancing operational stability
Actively participate in Agile ceremonies, estimate stories, review PRs, and contribute to best practices

Note: Detailed project information will be shared during the recruitment process.

What you get in return

Flexible cooperation model
Hybrid work setup – remote days available depending on the client’s arrangements – 2 days a week from the office in Kraków
Collaborative team culture – work alongside experienced professionals eager to share knowledge
Continuous development – access to training platforms and growth opportunities
Comprehensive benefits – including Interpolska Health Care, Multisport card, Warta Insurance, and more
High quality equipment – laptop and essential software provided

Who we’re looking for

5+ years of commercial full-stack experience with .NET (6+/9), ASP.NET Core, and C#
Strong EF Core and SQL (Azure SQL / MSSQL) skills (query tuning, indexing, transactions, stored procedures)
Hands-on Azure experience – App Service, Azure SQL, Storage Account, Key Vault, Service Bus / Functions
Solid Infrastructure-as-Code expertise with Terraform
CI/CD pipelines experience in Azure DevOps (YAML build/release, environment promotion)
In-depth understanding of REST API design and security (OAuth2, JWT, OIDC)
Automated testing (xUnit, Playwright, Jest/Vitest) and TDD practices
Observability and logging tools: Application Insights, Serilog
Good Git practices, PR reviews, and agile team collaboration
Fluent English (B2+) proficiency for technical collaboration

Nice to Have:

Production experience with React + TypeScript
Knowledge of Azure Data Factory, Databricks, Power BI
Familiarity with microfrontends / Module Federation
Event-driven integrations (Service Bus, Event Hubs)
Docker/Kubernetes (AKS), ARM/Bicep templates
Experience modernizing monolithic UIs (e.g., Razor, WinForms)
Azure Certifications (AZ-204, AZ-400) or HashiCorp Terraform Associate

Joining this project you’ll become part of Mindbox – a tech-driven company where consulting, engineering, and talent meet to build meaningful digital solutions. We’ll back you up every step of the way, accelerate your development, and ensure your skills make a difference.

FullStack Engineer

Kraków

B2B

1200 - 1400 pln/md netto + VAT

Apply for position

I will handle your recruitment

Karolina Kuśmierczyk-Pazdro

SUPPORT & BENEFITS

Private healthcare

Fast access to doctors and medical tests.

Mindbox fully covers the individual package. You can extend the coverage to your partner and family on preferential terms. A wide network of medical providers and clear rules for everyday use.

Multisport

Energy that pays off.

We cover 50% of the card cost. You get access to thousands of sports facilities across Poland, plus a convenient mobile app. Additional cards for family members are available.

Training & development

Practical support for your career growth.

We co‑fund courses, certifications and conferences under a clear Training Policy. You also get access to a library of recorded webinars and trainings – available whenever you need them.

Eyewear or contact lenses co‑funding

Clear vision means comfortable work.

Up to PLN 500 every two years, with an additional PLN 300 available in justified cases. Simple reimbursement, regardless of your form of cooperation.

Group life insurance

Real protection from day one.

Option I is fully funded by Mindbox, Option II is co‑funded. You can include your partner and adult children, with coverage that also applies to treatment and hospitalisation abroad.

Ongoing support from the Talent Network Development

You’re not on your own in a project.

Regular contact, quick response and a partnership‑based approach. You focus on your work — we help take care of the rest.

Regular integration meet‑ups

Relationships that work beyond the project.

Cyclical meet‑ups for contractors in major cities across Poland. A space to talk, exchange experience and stay in real contact with the Mindbox team.

Annual company‑wide integration

One event. The whole community.

A two‑day company gathering with accommodation, transport and a full activity programme. Time to connect teams from across Poland and build shared experiences.