Mendix Frontend Developer – Low-Code Apps
Offer summary

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

The project focuses on building low-code solutions using the Mendix platform within the financial sector. Key technologies include Mendix, REST, SOAP, JSON, XML, SQL, PostgreSQL. Responsibilities cover UI design, data modeling, API integrations, performance optimization, and documentation. Accountability involves independent task execution and maintaining solution quality with continuous improvement.

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Mendix Frontend Developer – Low-Code Apps

Company: ITDS Polska Sp. z o.o.

from: 23 June 2026
to: 23 July 2026
18 900 - 24 150net (+ VAT)/ mth.B2B contract (full-time)
Offer parameters
level:mid • senior
working mode:remote
location:Wrocław, Lower Silesia
Wrocław, Lower Silesia

Requirements

Expected technologies

Mendix
SQL
PostgreSQL
SoapUI
Postman
XML

Operating system

Windows

Our requirements

  • At least 4 years of commercial experience with the Mendix Low-Code platform.
  • Proven ability to independently design data models (entities, relationships, and normalization techniques).
  • Strong knowledge of relational databases such as SQL and PostgreSQL, with a focus on performance optimization.
  • Hands-on experience integrating REST and SOAP services using tools like Postman or SoapUI.
  • Proficiency in data mapping and transformation (JSON/XML).
  • Experience developing custom web interface components.
  • Technical independence and a strong sense of responsibility for solution quality.
  • Excellent time management to ensure timely project delivery.

Optional

  • Experience working with web and mobile applications.
  • Mendix certification.

Your responsibilities

  • Design and develop user interfaces in Mendix Low-Code based on provided mockups.
  • Lead the creation and maintenance of application documentation to ensure high-quality deliverables.
  • Build and optimize APIs and integrate with external systems using REST and SOAP protocols.
  • Implement and modify functionalities using data mapping and transformation techniques (JSON/XML).
  • Independently model and structure data in Mendix, including database normalization and index creation.
  • Collaborate with analysts and team members to deliver solutions on time and with strong ownership.
  • Ensure solution quality through responsible, independent delivery and continuous improvement.
  • Participate in training sessions organized by PSE Innowacje (up to 4 hours annually).

About the project

As a Mid-Level / Senior Mendix Frontend Developer, you will be working for our client, a leader in digital transformation and custom application development. You will help craft state-of-the-art low-code solutions by building intuitive user interfaces and enabling seamless integrations that elevate business processes. Turn ideas into impactful applications—while growing your expertise in a hands-on, technology-driven environment.
Build low-code experiences that move business forward—design, integrate, and innovate with Mendix!
Location & work model Wroclaw-based opportunity with a flexible hybrid work model (remote up to 4 days per week).
Only candidates with an existing legal right to work in the European Union will be considered for this role.

This is how we organize our work

This is how we work

at the client's siteagilescrum

#GETREADY to meet with us!

ITDS Business Consultants is involved in many various, innovative and professional IT projects for international companies in the financial industry in Europe. We offer an environment for professional, ambitious, and driven people.
We would like to meet you. If you are interested please apply and attach your CV in English or Polish, including a statement that you agree to our processing and storing of your personal data.

ITDS’s Whistleblower Procedure

📌 You can report violations in accordance with ITDS’s Whistleblower Procedure available here: https://itds.pl/wp-content/uploads/2025/03/INFORMATION-ON-PROCEDURE-FOR-REPORTING-BREACHES-AND-PROTECTION-OF-WHISTLEBLOWERS-AT-ITDS-POLSKA.pdf
Company

What we offer

  • Stable and long-term cooperation with very good conditions
  • Enhance your skills and develop your expertise in the financial industry
  • Work on the most strategic projects available in the market
  • Define your career roadmap and develop yourself in the best and fastest possible way by delivering strategic projects for different clients of ITDS over several years
  • Participate in Social Events, training, and work in an international environment
  • Access to attractive Medical Package
  • Access to Multisport Program
  • Access to Pluralsight
  • Flexible hours

Benefits

  • sharing the costs of sports activities
  • private medical care
  • flexible working time
  • fruits
  • integration events
  • corporate gym
  • saving & investment scheme
  • no dress code
  • coffee / tea
  • drinks
  • christmas gifts
  • birthday celebration
  • sharing the costs of a streaming platform subscription
  • access to +100 projects
  • access to Pluralsight

Recruitment stages

  • 1.
    online interview
  • 2.
    online interview

ITDS Polska Sp. z o.o.

ITDS supports financial service providers to take the next steps.
We identify what’s possible, every day. Opportunities in the areas of technology, organization, and digitization.
We see where banks, insurers, payment companies, or fintech can go and how they can get there.
That’s why we want to stimulate you to ramp up your ambition. Forget what you perceive as restraints and step towards the new reality.
ITDS in Poland - Pure player in new Technologies & Financial Industry
+300 IT implementation professionals
+20 clients in the Banking, Insurance, Payment & Fintech Industry
ITDS excels in digital strategy delivery and implementation of best-of-breed lending solutions. ITDS has delivered successful strategic projects throughout Europe since 1998. We combine the experience we’ve accumulated with in-depth knowledge of technologies, business processes, and EU legislation to unlock new business opportunities.

This is how we work

Mendix Frontend Developer – Low-Code Apps
18.9k–24.1k zł / mth. (B2B)
I apply to:
ITDS Polska Sp. z o.o.
Wrocław, Lower Silesia
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