Software Engineer (Sr.)

Tekst; Belgique; On-site; EUR 90,000 - 140,000; Full time

Job summary

Tekst is seeking a senior software engineer to mentor teams, design scalable systems, and deliver high-quality solutions. You will shape architecture, establish best practices, and align with cross-functional product teams.

Ideal candidates have 5+ years in modern web stacks, Node.js, TypeScript, Python, HTML/CSS/JS, APIs, and cloud platforms. Join a collaborative office culture with a unicorn-dream team.

Qualifications

• 5+ years of practical software engineering experience.
• Proficiency in HTML/CSS/JavaScript, Python, and SQL.
• Experience with Cloud platforms (AWS) and Node.js/TypeScript.
• Strong system design, scalability, and performance focus.
• Mentorship and excellent communication skills.

Responsibilities

• Mentor at all levels with feedback, code reviews, and guidance.
• Help with System Design, implement scalable solutions.
• Champion best practices, testing, and efficient processes.
• Contribute to project roadmaps and risk assessment.
• Collaborate with cross-functional product teams to translate requirements.

Skills

Node.js

TypeScript

HTML/CSS/JavaScript

Python

SQL

HTTP-based API consumption

System design

Software development methodologies

Mentorship & communication

Tools

AWS

Job description

About Tekst & Our Mission

At Tekst, we believe in a world where enterprise processes run themselves, and people get to do the work they love. Our mission is to make enterprise processes self-improving. To get there, we’re building the context layer that lets AI agents work at scale on the back-office processes that actually matter. With enterprise customers like Daikin, Colruyt, Mitsubishi and Nokia and $13.5M in Series A funding, we cut through the AI hype to deliver real, measurable automation.

What will you be doing?

• Mentor at all levels: provide constructive feedback, conduct code reviews, and offer technical guidance to junior engineers and peers
• Help with System Design: participate in designing and implementing systems, and optimize current ones for performance and cost efficiency
• Bring your best practices: champion software development standards, testing methodologies, and efficient development processes
• Strategic vision: participate in defining project roadmaps, contribute to risk assessment and execution, and ensure quality and on-time delivery
• Collaboration: work closely with cross-functional product teams to understand and translate requirements into solutions

What's in it for you?

• Attractive compensation and benefits
• Learning and development opportunities
• Fun team-building, social and sports activities
• Being surrounded by an all-star team with a unicorn dream and a strong on office culture

What skills and experience do you need?

• At least 5 years of practical software engineering experience, preferably across companies at different stages
• Proficiency in HTML/CSS/JavaScript, Python, and SQL
• Experience with Cloud platforms (AWS)
• Deep experience in Nodejs and TypeScript
• Deep knowledge of HTTP-based API consumption
• Deep system design experience with a focus on scalability and performance
• Proficiency in software development methodologies
• Excellent mentorship and communication skills