12 beste Stellen als full stack developer (m/w/d) in langenfeld, nw – aktuell auf Personalsuche

.NET/Python Software Developer | Energy Sector
Etinars —Köln
- 475 € – 500 € pro Tag
- Azure
- Master
- APIs
Direkt bewerben
Full Stack Java/Kotlin-Entwickler:in (m/w/d) - im Kölner Startup
GreenPocket GmbH —Köln
- Hybrides Arbeiten
- Englisch
- Java
- JavaScript
- Weiterbildungsprogramme
- Flexible Arbeitszeiten
Direkt bewerben
Lead React Developer (m/w/d)
virtual7 GmbH —Köln
- Vollzeit
- Hybrides Arbeiten
- Englisch
- Flexible Arbeitszeiten
Direkt bewerben
6 Tage
Shopify Frontend Developer (m/f/d)
tante-e —Köln
- Vollzeit
- HTML
Direkt bewerben
Titel Senior Full Stack Developer (all genders)
Expleo Group —Köln
- Englisch
- Java
- Datenbanken
- Gleitzeit
- Homeoffice-Möglichkeit
Backend Entwickler:in (m/w/d)
aha! Agentur für Handelsmarketing GmbH —Köln
- Homeoffice-Möglichkeit
- Weiterbildungsprogramme
Mit KI in die IT: Dein Neustart als Full Stack Entwickler (m/w/d)
Syntex GmbH —Langenfeld
- Vollzeit
- Homeoffice
- SQL
- JavaScript
- APIs
- Weiterbildungsprogramme
Direkt bewerben
4 Tage
Build System & Packaging Engineer (Senior)
RooflineAI GmbH —Köln
- Vollzeit
- Informatik
- C++
- Elektrotechnik
Direkt bewerben
Quereinsteiger gesucht: Werde Frontend Developer mit KI (m/w/d)
Syntex GmbH —Meerbusch
- Vollzeit
- Homeoffice
- JavaScript
- Softwareentwicklung
- APIs
- Weiterbildungsprogramme
Direkt bewerben
4 Tage
Frontend Development mit KI – auch für Quereinsteiger (m/w/d)
Syntex GmbH —Remscheid
- Vollzeit
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Direkt bewerben
4 Tage
Starte deine Karriere in der digitalen Produktentwicklung mit KI (m/w/d)
Syntex GmbH —Dormagen
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- Softwareentwicklung
- APIs
- Weiterbildungsprogramme
Direkt bewerben
4 Tage
Quereinsteiger gesucht: Dein Neustart als Full Stack Entwickler mit KI (m/w/d)
Syntex GmbH —Düsseldorf
- Vollzeit
- Homeoffice
- JavaScript
- Softwareentwicklung
- APIs
- Weiterbildungsprogramme
Direkt bewerben
4 Tage

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.NET/Python Software Developer | Energy Sector

Etinars
Köln

Direkt bewerben

Details zur Stelle

Freie Mitarbeit
475 € – 500 € pro Tag

Qualifikationen

CI/CD
Azure
Rust
Kubernetes
.NET
Master
PostgreSQL
Verteilte Systeme
Scala
Redis
GitHub
APIs
Agile
Swift
Python

Vollständige Stellenbeschreibung

WHO WE ARE

Etinars is a values-focused company with multi-year experience, specialised in the recruitment of professionals for niche markets, managing the full life-cycle of specialist and executive-level hires.
At Etinars, we genuinely care about who you are and what you need.
We place great emphasis on fostering robust, enduring connections built upon trust and transparency.
Our approach ensures a swift journey, leading you hand in hand towards signing your next career step.

WHAT WE ARE LOOKING FOR

.NET/Python Software Developer | Energy Sector

Join our client large international organisation active in the energy sector, contributing to real-time energy management & balancing and solutions that support the energy transition. You will work on real-time software products that help balance the electric grid and connect physical assets (e.g., batteries, renewable parks) to internal systems for forecasting and optimisation.

In this role, you will work 2 days per week onsite in Brussels and the rest remotely, collaborating closely with multidisciplinary stakeholders and technical teams in an international environment.

We are looking for a Software Developer with 3+ years of experience, strong skills in .NET or Python (interest in both), and exposure to event-driven architectures, distributed systems, and Kubernetes.

For this role, relocation to Brussels (Belgium) is mandatory for candidates living far from the area, or the ability to commute regularly.

Languages required: English (B2+) due to daily interactions with teams and stakeholders. French is a plus.

YOUR TASKS

Clarify needs with functional analysts and domain experts.
Produce technical designs and architectural proposals documented with diagrams, including APIs, services, and interactions.
Break down solutions into agile progressive upgrades.
Implement builds and associated testing and maintenance tools.
Develop back-end services and APIs.
Write tests in collaboration with business colleagues; contribute to production validation.
Create documentation and user manuals; provide user assistance and support.
Monitor systems and provide L2 support, incident resolution, troubleshooting and root-cause analysis for recurring incidents.

YOUR SKILLS AND EXPERIENCE

Must-have

3+ years of software engineering experience.
Proficiency in .NET or Python (incl. async programming and performance-oriented design), with interest in both.
Hands-on experience with event-driven architectures and distributed systems (e.g., Kafka, Azure Event Hub, or MQTT).
Hands-on experience with Kubernetes in production (deployments, autoscaling).
Experience with stateful systems such as Redis (caching use cases).
Strong testing culture: unit tests, integration tests, production validation.
Familiarity with Agile practices.

Nice-to-have

Exposure to Azure and Infrastructure as Code (e.g., Bicep).
Familiarity with parts of the stack: AKS / Azure Functions, Azure Service Bus, PostgreSQL, GitHub Actions / CI/CD.
Experience with Scala or Rust is a plus.
Master’s degree (polytechnic engineering) is a strong plus.

Soft skills

Proactive mindset, collaborative spirit, willingness to support team delivery.
Ability to break down complex problems and propose pragmatic, scalable solutions.
Ownership, accountability, empathy and humility.
Strong communication skills (written and oral).

EXTRA INFORMATION

Location: Brussels, Belgium (relocation mandatory if living far / or ability to commute regularly)
Work model: Hybrid - 2 days onsite / 3 days remote
Start: ASAP, ideally by 02/03/2026
Contract duration: 1 year, extendable by +1 +1 years (max 3 years)
Contract type: Freelance
Languages: English (B2+), French is a plus
Daily rate range: €475–€500/day (all-in; depending on profile/experience, within the project budget cap)
Eligibility: EU Citizens, or Non-EU citizens already based in the EU with a valid work permit

Once we receive your CV, we will take the time to evaluate it carefully. Should there be a match for this or any other position at Etinars, we will be in touch.

Etinars is committed to supporting a Diverse and Inclusive Community. If you meet the minimum criteria for the job, you will be given the opportunity to demonstrate your abilities at an interview.

Direkt bewerben

Erweiterte Suche

full stack developer (m/w/d) Jobs in langenfeld, nw

.NET/Python Software Developer | Energy Sector

Full Stack Java/Kotlin-Entwickler:in (m/w/d) - im Kölner Startup

Lead React Developer (m/w/d)

Shopify Frontend Developer (m/f/d)

Titel Senior Full Stack Developer (all genders)

Backend Entwickler:in (m/w/d)

Mit KI in die IT: Dein Neustart als Full Stack Entwickler (m/w/d)

Build System & Packaging Engineer (Senior)

Quereinsteiger gesucht: Werde Frontend Developer mit KI (m/w/d)

Frontend Development mit KI – auch für Quereinsteiger (m/w/d)

Starte deine Karriere in der digitalen Produktentwicklung mit KI (m/w/d)

Quereinsteiger gesucht: Dein Neustart als Full Stack Entwickler mit KI (m/w/d)

Ich möchte aktuelle Job-E-Mails für Stellen als full stack developer (m/w/d) in langenfeld, nw erhalten

Weitere Job-Standorte erkunden

WHO WE ARE

WHAT WE ARE LOOKING FOR

.NET/Python Software Developer | Energy Sector

YOUR TASKS

YOUR SKILLS AND EXPERIENCE

Must-have

Nice-to-have

Soft skills

EXTRA INFORMATION

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