UP

Software Developer 1694

Hiring from
Belgium
Work type
Hybrid
Posted
Oct 2, 2026
Is this job info correct?

We are looking for an experienced Software Developer to join a specialist technology team working on secure, data-driven applications in a highly controlled and security-sensitive environment, in hybrid working model.


The role combines modern web development, Python-based data processing, ETL, SQL, dashboard development and data integration. You will work with both classified and unclassified data sources and collaborate closely with technical teams, stakeholders and senior leadership to deliver reliable, secure and user-focused solutions.


The successful candidate will have strong hands-on experience in JavaScript/HTML and modern frontend frameworks, together with solid Python, .NET and Microsoft SQL capabilities.


Key Responsibilities:

  • Develop, configure and maintain web applications using modern web development frameworks.
  • Transform, integrate and process data from both classified and unclassified sources into secure web-based systems.
  • Perform data conversion, preprocessing and transformation using Python APIs and ETL technologies.
  • Develop and enhance data collection tools in line with stakeholder requirements.
  • Build and maintain backend services and data-processing pipelines.
  • Develop data-driven dashboards and visualisations for senior stakeholders using Python and/or Power BI.
  • Work with large and complex datasets using Python libraries such as Pandas, NumPy and Matplotlib.
  • Design and implement data-processing and automation solutions.
  • Develop and maintain high-quality technical documentation covering code, APIs, service endpoints and system architecture.
  • Prepare user and training materials to support adoption of developed solutions.
  • Support security testing, verification and approval activities.
  • Conduct functional and user acceptance testing with stakeholders to ensure that solutions meet agreed requirements.
  • Work closely with the Lead Point of Contact and relevant stakeholders to understand requirements and priorities.
  • Regularly report on project progress, technical issues, risks and potential impacts on delivery timelines.
  • Provide technical input into project planning and risk management.
  • Present and brief technical progress, achievements and potential issues to senior technical and organisational stakeholders.
  • Collaborate effectively with other developers, engineers and project stakeholders throughout the delivery lifecycle.


Essential Skills & Experience

  • Minimum 5 years of professional experience in web development.
  • Strong experience with JavaScript and HTML.
  • Hands-on experience with modern frontend frameworks such as:

React

Vue.js

Angular

  • Extensive practical experience with Microsoft SQL Server.
  • Strong practical experience with Python for:
  • Automation
  • Data processing
  • ETL
  • Data analysis
  • Experience with Python data libraries such as Pandas, NumPy and Matplotlib.
  • Experience developing data-driven dashboards for business or senior stakeholders using Python and/or Power BI.
  • Experience building and maintaining backend services, APIs or data-processing pipelines.
  • Ability to work with data originating from multiple systems and sources.
  • Familiarity with Git/version control.
  • Understanding of Agile development methodologies and project delivery practices.
  • Excellent analytical and problem-solving skills.
  • Strong written and verbal communication skills.
  • Ability to work independently while also contributing effectively to a multidisciplinary team.
  • Advanced level of English.


Desirable Skills

  • Practical experience with .NET / ASP.NET.
  • Experience developing RESTful APIs.
  • Experience with enterprise ETL and data integration technologies.
  • Experience working with secure or highly regulated environments.
  • Experience supporting security testing and system accreditation/approval processes.
  • Experience working with both classified and unclassified information environments.
  • Experience presenting technical information and project status to senior stakeholders.


Education

  • Bachelor's degree in Computer Science, Data Science, Information Technology or a related technical discipline.


Key Technologies

Frontend: JavaScript, HTML, React, Vue.js, Angular

Backend & Data Processing: Python, APIs, ETL

Data: Microsoft SQL Server, Pandas, NumPy

Visualisation: Power BI, Matplotlib

Development: Git, Agile methodologies

Additional: .NET / ASP.NET


What We're Looking For

The ideal candidate combines strong software development skills with practical data engineering and analytics experience. You should be comfortable moving between frontend development, backend/data processing and stakeholder-facing delivery.

You will need to be able to take a requirement, understand the underlying data and technical constraints, develop an appropriate solution, test it with stakeholders and clearly communicate progress, risks and outcomes.


Because the role operates in a security-sensitive environment, attention to detail, discretion, structured working practices and a strong understanding of secure development principles are essential.


Security Requirements

Due to the nature of the systems and information involved, the successful candidate must be eligible to obtain and maintain the required security clearance.


Benefits:

  • Competitive Remuneration Package.
  • Unlimited access to a workplace wellness and support platform.
  • Continuous learning and career growth opportunities.
  • Opportunity to work on large-scale core banking systems using modern technologies.
  • Friendly, collaborative, and professional working environment.


UpcoMinds is a dynamic IT company with 28 years of experience that provides end-to-end web and mobile solutions helping businesses to reinvent themselves in the digital world. Our team’s skills and expertise will ensure the holistic digital transformation of any organization, which will considerably improve both business operations and customer’s experience.

Our goal is to always have our end products and services reflect our deep engineering skills and elegant progressive design aesthetic. We fundamentally believe deeply in developing long term strategic partnerships with our clients by exceeding expectations and maintaining a high level of transparency.

Find out more about us at www.upcominds.com

We commit to promote Inclusion & Diversity by creating a working environment where all employees are treated with dignity and respect and where individual differences are valued. We offer equal opportunity in all aspects of employment.

Our recruitment consultants will go through your Curriculum Vitae as soon as possible and get back to you to discuss the opportunity for which you apply. If you don’t hear from us in the coming ten (10) working days, you may consider that you have not been selected for the particular job. Your CV will be retained for two years in accord

Similar jobs

Apply on LinkedIn