20 beste vacatures voor de functie van software developer in 3145 maassluis (nieuwe medewerkers gezocht)

.NET/Python Software Developer | Energy Sector
Etinars —Rotterdam
- € 475 - € 500 per dag
- Azure
- Engineering
- Engels
Snel solliciteren
Full Stack Developer (m/w/d)
Everience Benelux —Den Haag
- Fulltime
- DevOps
- Engels
- SQL
Snel solliciteren
Medior Back-end Developer (Laravel)
The MindOffice —Vlaardingen
- Fulltime
- Databases
- SQL
- APIs
- Kosteloos parkeren
VBA developer with Python skills (Software Developer)
Vector Synergy —Den Haag
- Microsoft Excel
- Microsoft Access
- Informatica
Snel solliciteren
6 dagen
Backend Developer (PHP Symfony)
MrWork —Rotterdam
- Hybride werken
- SQL
- AI
- Tijdmanagement
- Flexibele werkuren
14 dagen
FRONT-END DEVELOPER
PANGAEA Digital Agency —Den Haag
- € 2.300 - € 4.500 per maand
- Fulltime
- Analytisch vermogen
- JavaScript
- APIs
Medior Java Developer
Float IoT —Rotterdam
- Fulltime
- Java
Front-end Technical Lead
Domaine —Delft
- Fulltime
- JavaScript
- Softwareontwikkeling
- APIs
Snel solliciteren
Cloud – Backend Developer
Corsano Health —Den Haag
- Fulltime
- Engels
- Databases
- AWS
Full stack developer
Topsite —Brielle
- E-mail
- SQL
- JavaScript
Front-End Project Planner
APM Terminals —Den Haag
- Fulltime
- Microsoft Excel
- Engineering
- Microsoft Office
Python Developer
ParaPy —Delft
- Informatica
- Informatica
- Java
Backend .Net Developer
Gamebasics —Zoetermeer
- DevOps
- SQL
- Analytisch vermogen
Full Stack Developer | 52K-78K | Rotterdam | IT Services / IT Consulting
Guidewell —Rotterdam
- € 4.000 - € 5.000 per maand
- Fulltime
- Hybride werken
- SQL
- JavaScript
- HTML
- Flexibele werkuren
Snel solliciteren
Backend Developer Golang
Payter B.V. —Rotterdam
- Fulltime
- Hybride werken
- Engels
- Java
- Databases
- Reiskostenvergoeding
Snel solliciteren
Full Stack Developer
Valicare —Den Haag
- € 3.250 - € 5.350 per maand
- Fulltime
- Kantoor
- JavaScript
- Reiskostenvergoeding
- Budget voor professionele ontwikkeling
3 dagen
Starter Software Developer
CityGIS —Den Haag
- E-mail
- Engels
- Bachelor
- JavaScript
Medior Front-End Developer
DotControl —Rotterdam
- € 3.500 - € 4.500 per maand
- Parttime
- Engels
- JavaScript
- HTML
Full stack developer
Officebooking —Rotterdam
- Fulltime
- Informatica
- Engels
- Java
Front end developer
Officebooking —Rotterdam
- JavaScript
- HTML

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.NET/Python Software Developer | Energy Sector

Etinars
Rotterdam

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

software developer vacatures in 3145 maassluis

.NET/Python Software Developer | Energy Sector

Full Stack Developer (m/w/d)

Medior Back-end Developer (Laravel)

VBA developer with Python skills (Software Developer)

Backend Developer (PHP Symfony)

FRONT-END DEVELOPER

Medior Java Developer

Front-end Technical Lead

Cloud – Backend Developer

Full stack developer

Front-End Project Planner

Python Developer

Backend .Net Developer

Full Stack Developer | 52K-78K | Rotterdam | IT Services / IT Consulting

Backend Developer Golang

Full Stack Developer

Starter Software Developer

Medior Front-End Developer

Full stack developer

Front end developer

Ik wil de nieuwste vacature-alerts ontvangen voor de functie van software developer in 3145 maassluis

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WHAT WE ARE LOOKING FOR

.NET/Python Software Developer | Energy Sector

YOUR TASKS

YOUR SKILLS AND EXPERIENCE

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Soft skills

EXTRA INFORMATION

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