Senior Software Engineer - Azure, AI & Integrations

The Catalyst Group; Cascais; On-site; EUR 70,000 - 100,000; Full time

Job summary

The Catalyst Group is seeking a Senior Associate – Software Development to contribute hands‑on engineering across the Microsoft technology stack, cloud services on Azure, APIs, and AI‑enabled capabilities. You will help design, build, and support enterprise‑grade, cloud‑native solutions with a focus on secure, scalable architectures.

Ideal candidates have 5–7 years of relevant experience, strong TypeScript/JavaScript and C#/.NET skills, and a proven ability to work across development,

Qualifications

• 5–7 years’ experience in software development or platform engineering roles.
• Strong experience across the Microsoft technology stack.
• Hands‑on experience with cloud development, ideally on Microsoft Azure.
• Strong understanding of application architecture, APIs, and system integrations.
• Proficient coding skills in TypeScript and JavaScript (C#/.NET advantageous).
• Experience designing, building, and supporting enterprise‑grade systems.

Responsibilities

• Design, develop, and maintain enterprise applications using Microsoft technologies.
• Apply clean code principles, solid architecture, and modern development practices.
• Contribute to both low‑code and pro‑code solutions, selecting the right approach for each use case.
• Design and build Azure‑based services supporting scalable, secure architectures.
• Design RESTful APIs and integrations with internal and third‑party systems.
• Collaborate with product stakeholders to deliver scalable, well‑designed solutions.

Skills

JavaScript/TypeScript

C#/.NET

Azure cloud

System architecture

API design

Communication

Independent work

Education

Degree in Computer Science or related field

Tools

Azure Functions

Power Platform

Dynamics 365

Git

Job description

The Catalyst Group is seeking a Senior Associate – Software Development to contribute hands‑on engineering across the Microsoft technology stack, cloud services on Azure, APIs, and AI‑enabled capabilities. You will help design, build, and support enterprise‑grade, cloud‑native solutions with a focus on secure, scalable architectures.

Ideal candidates have 5–7 years of relevant experience, strong TypeScript/JavaScript and C#/.NET skills, and a proven ability to work across development,