Lead Software Engineer

W Talent; Köln; Vor Ort; EUR 80.000 - 100.000; Vollzeit

Zusammenfassung

A leading company is seeking an experienced Tech Team Lead to guide their engineering teams in developing scalable services for the ZONOS IoT platform. This role focuses on delivering secure, distributed, and real-time data systems in critical infrastructure. The ideal candidate will have strong leadership skills, a solid background in software development, and proficiency in Kotlin or Java. Join a diverse team to impact global energy and sustainability efforts.

Leistungen

Competitive salary

Relocation support

Flexible working models

Flat hierarchies

Open feedback culture

Qualifikationen

• 5+ years of software development experience, with at least 2 years in a leadership role.
• Strong proficiency in Kotlin or Java, and experience with Spring Boot.

Aufgaben

• Lead and mentor a cross-functional development team.
• Design, develop, and maintain critical components of the ZONOS platform.
• Oversee and improve CI / CD pipelines.

Kenntnisse

Kotlin

Java

Communication

Tools

Spring Boot

PostgreSQL

Oracle

Docker

Kubernetes

Angular

TypeScript

Jobbeschreibung

Reports to : Head of Software Development / CTO

Role Overview

My client is looking for an experienced and hands-on Tech Team Lead to guide one of our cross-functional engineering teams. You will lead the design and development of scalable services in their ZONOS IoT platform, contribute to architecture decisions, and mentor a talented team of backend and frontend developers. This is a high-impact role focused on delivering secure, distributed, and real-time data systems in critical infrastructure.

Key Responsibilities

• Lead and mentor a cross-functional development team (backend, frontend, QA)
• Design, develop, and maintain critical components of our ZONOS platform using Kotlin, Spring Boot, Kafka, PostgreSQL, and Oracle
• Drive architectural decisions and ensure best practices in scalability, performance, and maintainability
• Collaborate with product owners, DevOps, and QA to deliver high-quality features from concept to production
• Oversee and improve CI / CD pipelines (Docker, Kubernetes, GitLab CI)
• Conduct code reviews and pair programming sessions to foster a high-quality engineering culture
• Manage sprint planning, estimation, and delivery timelines in coordination with the product team
• Support a culture of ownership, continuous improvement, and learning

Your Profile

• 5+ years of software development experience, with at least 2 years in a leadership or senior engineering role
• Strong proficiency in Kotlin or Java, and experience with Spring Boot
• Experience with Apache Kafka, PostgreSQL, and/or Oracle
• Familiarity with containerization (Docker) and orchestration (Kubernetes)
• Experience with Angular and TypeScript is a plus
• Solid understanding of scalable system design, distributed systems, and IoT / edge computing concepts
• Excellent communication skills and a collaborative leadership style
• Fluent in English (German is a plus)

Why Join Us?

• Work on technology that impacts global energy, water, and sustainability efforts
• Flat hierarchies, open feedback culture, and flexible working models
• International, purpose-driven team with 20+ nationalities
• Opportunity to shape critical infrastructure in a high-growth environment
• Competitive salary and relocation support if needed