20 beste vacatures voor de functie van back end developer in zuid holland (nieuwe medewerkers gezocht)

.NET/Python Software Developer | Energy Sector
Etinars —Den Haag
- € 475 - € 500 per dag
- Azure
- Engineering
- Engels
Snel solliciteren
Medior/Senior Full Stack Developer
Momo Medical B.V. —Delft
- € 4.300 - € 6.200 per maand
- Fulltime
- Hybride werken
- Engels
- JavaScript
- Reiskostenvergoeding
Snel solliciteren
Senior Python Developer
Stedin —Rotterdam
- € 5.106,43 - € 7.124,60 per maand
- Online sollicitatie
- DevOps
- Kantoor
- JavaScript
- Budget voor professionele ontwikkeling
Fullstack Developer
DotControl —Rotterdam
- € 3.500 - € 4.800 per maand
- Parttime
- Engels
- JavaScript
- HTML
Developer Port Call Management
Port of Rotterdam —Rotterdam
- Tot € 5.881 per maand
- Fulltime
- Kantoor
- Java
- Analytisch vermogen
- Reiskostenvergoeding
- Bedrijfsfitness
12 dagen
FULLSTACK SOFTWARE DEVELOPER
Webeasy —Sliedrecht
- Fulltime
- Engels
- Java
- JavaScript
12 dagen
Team Lead TypeScript
Coolblue —Rotterdam
- Fulltime
- Managementervaring
- Communicatieve vaardigheden
- Reiskostenvergoeding
Software Engineer C#/.NET
Prime Vision —Delft
- Fulltime
- Informatica
- Engels
- Master
- Winstdeling
- Flexibele werkuren
Senior Full Stack Developer
Priva —De Lier
- € 4.500 - € 6.200 per maand
- Fulltime
- Hybride werken
- Azure
- Bachelor
- APIs
- Reiskostenvergoeding
- Budget voor professionele ontwikkeling
Snel solliciteren
Mobile App Developer (Kotlin) Trust Smarthome
Trust International B.V. —Dordrecht
- Parttime
- Hybride werken
- Informatica
- Engels
- Kantoor
- Reiskostenvergoeding
6 dagen
Team Lead C#
Coolblue —Rotterdam
- Fulltime
- Oracle
- Reiskostenvergoeding
Business Informatie Analist Business Intelligence
Rijksvastgoedbedrijf (Ministerie van BZK) —Den Haag
- € 4.691 - € 6.907 per maand
- Parttime
- Master
- Analytisch vermogen
- Communicatieve vaardigheden
- Reiskostenvergoeding
- Bedrijfsfitness
Lead .Net Developer
Unica —Moordrecht
- € 6.000 - € 7.500 per maand
- Fulltime
- Analytisch vermogen
Medior End to End Test Engineer
Priva —De Lier
- € 3.500 - € 5.500 per maand
- Fulltime
- Hybride werken
- Engels
- Analytisch vermogen
- C++
- Reiskostenvergoeding
- Budget voor professionele ontwikkeling
Snel solliciteren
Full Stack Engineer - Platform Team
Yuki online boekhouden —Rotterdam
- Engels
- AWS
- JavaScript
- Budget voor professionele ontwikkeling
Fullstack Developer
ndus3 —Rotterdam
- € 3.175 - € 4.530 per maand
- Online sollicitatie
- Java
- Master
- Databases
- Budget voor professionele ontwikkeling
Senior Full Stack .NET Developer met keuze
Ranshuijsen Van Loon —Rotterdam
- € 4.000 - € 5.000 per maand
- Fulltime
- Analytisch vermogen
Software Engineer .NET - Enterprise sociaal domein - Gouda
Blauwtand —Gouda
- € 3.500 - € 4.500 per maand
- Fulltime
- Hybride werken
- Kantoor
- SQL
- Agile
- Flexibele werkuren
PHP Developer (Dutch Speaker) | E-commerce
BizzSurfer —Dordrecht
- Hybride werken
- Analytisch vermogen
- Linux
- Communicatieve vaardigheden
- Reiskostenvergoeding
Snel solliciteren
Full Stack Engineer - Platform Team
The Yuki Company —Rotterdam
- Hybride werken
- Engels
- AWS
- JavaScript
- Budget voor professionele ontwikkeling

Ik wil de nieuwste vacature-alerts ontvangen voor de functie van back end developer in zuid holland

Door in te loggen op je account, ga je akkoord met de Algemene voorwaarden van SimplyHired en stem je in met ons Cookie- en Privacybeleid.

.NET/Python Software Developer | Energy Sector

Etinars
Den Haag

Snel solliciteren

Vacaturegegevens

Freelance / zzp
€ 475 - € 500 per dag

Kwalificaties

Frans
CI/CD
Azure
Rust
Kubernetes
Engineering
Engels
.NET
Master
PostgreSQL
Gedistribueerde systemen
Scala
Continuous integration
Redis
GitHub
Agile
Budgettering
Kafka
Communicatieve vaardigheden
Python
Tijdmanagement

Volledige vacaturetekst

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.

Snel solliciteren

Verfijn je zoekopdracht

back end developer vacatures in zuid holland

.NET/Python Software Developer | Energy Sector

Medior/Senior Full Stack Developer

Senior Python Developer

Fullstack Developer

Developer Port Call Management

FULLSTACK SOFTWARE DEVELOPER

Team Lead TypeScript

Software Engineer C#/.NET

Senior Full Stack Developer

Mobile App Developer (Kotlin) Trust Smarthome

Team Lead C#

Business Informatie Analist Business Intelligence

Lead .Net Developer

Medior End to End Test Engineer

Full Stack Engineer - Platform Team

Fullstack Developer

Senior Full Stack .NET Developer met keuze

Software Engineer .NET - Enterprise sociaal domein - Gouda

PHP Developer (Dutch Speaker) | E-commerce

Full Stack Engineer - Platform Team

Ik wil de nieuwste vacature-alerts ontvangen voor de functie van back end developer in zuid holland

Related Searches

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

Job Seeker-tools

Werkgeverstools

Bladeren

Blijf verbonden