Senior Backend .Net Core Developer

Thaumatec

Wrocław

Hybrid

PLN 60,000 - 80,000

Full time

14 days+
Application generator

Stand out for this role — generate a tailored resume and cover letter in about a minute.

Get past ATS filters

Job summary

Thaumatec Tech Group in Wrocław is on the lookout for experienced Backend developers to enhance their IoMT cloud services and solutions for HealthTech companies. You will be integral to building software for Smart Cities and Internet of Things.

The ideal candidates should have a strong understanding of .Net Core, Azure technologies, and Agile development. Additional roles available include Quality Assurance Engineers and Project Managers for long-term cooperation and high-quality engineering.

Qualifications

  • 5+ years of professional experience in backend development.
  • Proven knowledge of .Net Core and Microsoft Azure technologies.
  • Strong understanding of Agile methodologies.

Responsibilities

  • Design and implement backend software for smart IoT solutions.
  • Drive technical delivery in project management.
  • Collaborate with development teams in Agile environments.

Skills

Backend software design
.Net Core
Microsoft Azure
Microservices architecture
Agile methodologies
GoLang
GraphQL or RESTful APIs
SQL
Test automation
Project management

Job description

When you join Thaumatec, you are embarking on an adventure. Our mission is to use technical skills and knowledge to enhance life‑supporting products for HealthTech companies across the globe.

We specialize in IoMT cloud services, quality assurance, AI, and embedded software development for international medium‑sized companies and innovative start‑ups.

We work with highly specialized HealthTech companies from the US and Western Europe. The HealthTech market is one of the fastest growing markets worldwide.

Backend Developer – Smart IoT Solutions

In order to strengthen our Cloud applications development team, we are looking for experienced Backend developers. Our project portfolio covers the fields of Smart Cities and Internet of Things. We deliver solutions from chip to cloud and build gateways and cloud applications based on .Net technologies.

You will
  • Design and implement backend software for smart IoT solutions
  • Interact with Product Owners and Architects to facilitate the specification of projects
  • Be open to research and learn missing know‑how as you go
  • Work efficiently and effectively in an Agile development team
  • Be responsible and accountable for consistency with the specification, quality, and performance
Must haves
  • At least five years of professional experience
  • Proven knowledge of .Net Core
  • Experience with Microsoft Azure Cloud technologies (e.g., Web Apps, Azure Functions, CosmosDB, Key Vaults, Service Bus, Storage Accounts)
  • Understanding of Microservices architecture
  • Familiarity with Azure DevOps environment
  • Experience with Unit, Application, and Integration testing
  • Understanding of full‑platform solutions – backend to frontend
  • Team work, curiosity, and willingness to ask questions
  • Very good command of English
Nice‑to‑haves
  • Experience with Azure IoT Edge
  • Experience with CI/CD Pipelines
  • Understanding of IoT communication protocols
  • Frontend experience with Angular/React
Backend / Platform Developer – Go (Golang)

We are looking for an experienced Backend / Platform Developer with Go (Golang) and strong software engineering skills. If you enjoy building scalable platforms, working with modern cloud‑native technologies, and taking ownership from design to production, we would like to hear from you.

Experience
  • Developed, put into production, and maintained platforms for at least 5 years
  • Can work from and set up a DTAP environment
  • Experience with data warehouses
  • Extensive experience with code reviews and giving constructive feedback
Must haves
  • GoLang
  • GraphQL or RESTful APIs
  • SQL – preferably PostgreSQL
  • OSX and Linux environments
  • CI/CD experience
  • Infrastructure as Code knowledge
  • Version control – preferably with GitHub
  • Test‑Driven Development
  • Professional level English
Nice‑to‑haves
  • CDN usage (especially audio and video)
  • Java experience
Quality Assurance Engineer

As our Quality Assurance Engineer, you’ll be the guardian of quality for next‑generation embedded and web‑based software solutions, across IoT, healthcare, and consumer technology domains.

Responsibilities
  • Design test plans and test cases according to customer requirements
  • Partner with Product Owners to refine Acceptance Test specifications
  • Run functional, integration, and acceptance tests to perfection
  • Identify bugs and ensure they are fixed
  • Set up test environments
  • Collaborate with development team to deliver working software
  • Support continuous delivery, integration, and releases
  • Own the consistency, quality, and performance of our products
What you’ll bring to the table
  • 3+ years of hands‑on experience in software testing
  • Solid grasp of testing principles and methods
  • Strong Python skills and familiarity with the PyTest framework
  • Experience with test automation tools (Selenium, Appium, Cypress, Playwright)
  • ISTQB certification or equivalent know‑how
  • Strong ability to stay organized and work well in a team
Extra skills that will impress us
  • Knowledge of embedded systems and firmware
  • Comfortable working with Linux and Windows
  • Experience with CI tools and version control systems
  • Agile methodology know‑how
  • Understanding of authentication standards (e.g., FIDO/FIDO2)
  • Background in security or penetration testing
  • Experience with IEC62304 norm
  • Automating tests (HIL, SIL) to improve efficiency
Project Manager

We value long‑term cooperation, high‑quality engineering, and creative problem‑solving. The Project Manager will manage projects from initiation through handover and closure, analyze customer needs, define deliverables, drive technical delivery, and maintain stakeholder relationships.

Responsibilities
  • Manage projects from initiation to handover and closure
  • Analyze customer needs and identify specific business requirements
  • Define project deliverables and responsibilities among the project team
  • Drive technical delivery of the project team in line with commitments to client
  • Create, manage, and track project documentation
  • Effectively communicate with internal and external stakeholders
  • Report project progress
  • Identify and manage risks and issues throughout the project
  • Build and maintain long‑term relationships with clients
Requirements
  • At least 5 years of experience in the role of Project Manager
  • Excellent knowledge of project management (planning, scope, cost, risk, time management) in software projects (front‑end, back‑end, desktop, embedded, cloud)
  • Experience in managing internal and external stakeholders, also in international projects
  • Experience with various progress tracking tools
  • Very good command of English
  • Problem‑solving attitude
  • Attention to details and desire to stay on top of project progress
Front‑End / Mobile Developer

We are seeking a skilled Front‑End / Mobile Developer with extensive experience in React, React Native, and modern web technologies.

Qualifications
  • 5+ years of commercial experience in front‑end or mobile development
  • Hands‑on experience with React Native (core mobile development skills: navigation, animations, performance tuning, debugging)
  • Practical experience with React for web applications
  • Solid understanding of mobile UI/UX patterns, responsive layout principles, and cross‑platform challenges
  • Strong knowledge of HTML5, CSS, and modern frontend practices
  • Experience integrating REST APIs, working with Swagger/OpenAPI documentation
  • Familiarity with state management tools such as Redux, Pinia, or NgRx
  • Experience with automated testing (Jest, Jasmine, Vitest, Cypress)
  • Proficiency with Git and collaborative development workflows
  • Ability to work with existing codebases, improve architecture, and support technology upgrades
  • Experience conducting or participating in code reviews
  • Strong English communication skills and ability to work in cross‑functional teams
  • Understanding of Scrum methodology; PSM I certification is a plus
Nice‑to‑haves
  • Experience building custom charts or data visualisation (e.g., D3.js)
  • Familiarity with Nx or other monorepo tools
  • Experience with design systems, reusable component libraries, or Storybook
  • Basic understanding of Node.js or Nest.js
  • Experience consulting on UI/UX design or collaborating closely with designers
  • Exposure to building AI‑powered functionalities, including chatbots
  • Experience leading or mentoring developers or student teams
  • Background working with IoT, medical, or regulated environments
Get your free, confidential resume review.

or drag and drop your file here.

Similar jobs

Similar jobs worth comparing

Senior Frontend Developer
Senior Frontend Developer

Thaumatec • Wrocław

Hybrid
Confidential
Regulatory Expert
Regulatory Expert

Thaumatec • Wrocław

Hybrid
PLN 45,000 - 75,000
Test Automation engineer /QA
Test Automation engineer /QA

Thaumatec • Wrocław

Hybrid
PLN 120,000 - 180,000
Senior .NET / Azure Integration Developer
Senior .NET / Azure Integration Developer

Thaumatec Sp. z o.o. • Wrocław

On-site
PLN 210,000 - 330,000
Senior Backend Developer (AWS)
Senior Backend Developer (AWS)

Appliscale sp. z o.o • Kraków

On-site
PLN 180,000 - 240,000
Senior Full-Stack Engineer (.Net, React)
Senior Full-Stack Engineer (.Net, React)

Software Mind • Warszawa

Hybrid
PLN 180,000 - 280,000
Flexible cooperation options
Remote cooperation options
International projects
+4
Middle Full-Stack Software Engineer (React + .NET)
Middle Full-Stack Software Engineer (React + .NET)

Symphony Solutions • Poland

On-site
PLN 120,000 - 180,000
Frontend Developer - Freelancer
Frontend Developer - Freelancer

Lingaro • Polska

On-site
PLN 180,000 - 240,000
Senior Full Stack Engineer 1669
Senior Full Stack Engineer 1669

UpcoMinds • Warszawa

On-site
PLN 32,000 - 36,000
Private health insurance
Wellness platform access
Continuous learning and career growth
+1
Senior Developer .NET core
Senior Developer .NET core

Elmos • Kraków

On-site
PLN 80,000 - 120,000