17 beste vacatures voor de functie van software developer in leidschendam, zh (nieuwe medewerkers gezocht)

Python Developer (ZZP)
Utilus —Rotterdam
- Fulltime
- Engels
- Master
- SQL
7 dagen
Backend Developer
Lely —Maassluis
- € 5.000 - € 7.100 per maand
- Fulltime
- Hybride werken
- Azure
- Informatica
- Master
- Flexibele werkuren
Snel solliciteren
12 dagen
Java CMS developer
Finalist —Rotterdam
- Hybride werken
- Java
- Analytisch vermogen
- Agile
- Flexibele werkuren
Frontend React Developer | e-commerce
MatchMatters BV —Rotterdam
- € 37 - € 47 per maand
- Fulltime
- JavaScript
- Reiskostenvergoeding
- Flexibele werkuren
Snel solliciteren
Java Developer
Cavero —Rijswijk
- Maandag t/m vrijdag
- Oracle
- Java
- Agile
- Reiskostenvergoeding
- Bedrijfsfitness
Snel solliciteren
Java Developer
Capgemini —Rotterdam
- Hybride werken
- Azure
- DevOps
- Java
Full-Stack Developer
Portbase —Rotterdam
- Fulltime
- Hybride werken
- Java
- Master
- AWS
Snel solliciteren
Front end Project Manager
Diamond Flower Information (NL) B.V. —Rotterdam
- Fulltime
- Engineering
- Engels
- Projectmanagement
Snel solliciteren
11 dagen
Lead Java Developer
Immigratie- en Naturalisatiedienst —Den Haag
- € 4.691 - € 6.907 per maand
- Fulltime
- Hybride werken
- Informatica
- DevOps
- Kantoor
- Reiskostenvergoeding
- Budget voor professionele ontwikkeling
Java Fullstack ontwikkelaar
Finalist —Rotterdam
- E-mail
- Hybride werken
- Kantoor
- Java
- Databases
- Flexibele werkuren
Principal Back-end Developer (.NET/ C#)
JEX Nederland B.V. —Rotterdam
- € 6.000 - € 7.000 per maand
- Fulltime
- Hybride werken
- Azure
- Analytisch vermogen
- Bachelor
- Reiskostenvergoeding
Snel solliciteren
Magento developer met focus op front-end en Hyvä
Accent Interactive —Alphen aan den Rijn
- E-mail
Java Developer in Gouda
Topicus —Gouda
- Fulltime
- Kantoor
- Java
- Werk vanuit huis
Snel solliciteren
Java Developers - diverse branches
CGI —Den Haag
- Java
- Bachelor
- APIs
Snel solliciteren
Java Developer (Team Lading)
Portbase —Rotterdam
- Fulltime
- Hybride werken
- Java
- AWS
- Bachelor
- Reiskostenvergoeding
Snel solliciteren
Backend Developer | Magento | e-commerce
MatchMatters BV —Rotterdam
- € 38 - € 48 per maand
- Fulltime
- Linux
- Reiskostenvergoeding
Snel solliciteren
Java Developer (Platform Team)
Portbase —Rotterdam
- Fulltime
- Hybride werken
- DevOps
- Java
- AWS
- Reiskostenvergoeding
Snel solliciteren

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Python Developer (ZZP)

Utilus
Rotterdam

Nu solliciteren

Vacaturegegevens

Fulltime
7 dagen geleden

Kwalificaties

CI/CD
Datamodellering
Relationele databases
Engels
Master
SQL
Pandas
Docker
Bachelor
Scrum
Schaalbaarheid
Agile
ICT
Communicatieve vaardigheden
Python

Volledige vacaturetekst

At Utilus we're looking for a Python Developer (ZZP) to join our team.

Full-time · Hybrid

What We Do

Utilus is a fast growing and highly ambitious software delivery company. We design, build, manage and operate highly scalable and complex software projects in the heart of the primary business processes of our clients, including Tennet, Eneco, Dura Vermeer and Nederlandse Loterij.

We work on sustainability by focusing mainly on assignments in the heart of the energy transition. We believe in the universal truth that true transformation is only attainable if our clients are prepared to Do the work. That’s why at Utilus, we help our clients to Do the work: by developing an approach to improve and renew essential IT, all while keeping the clients business running smoothly.

We take an honest and constructive approach, our two core values, to renewing and enhancing essential IT systems.

About The Job

The Python Developer works on external client projects to design and deliver robust software and data-processing solutions that support the client’s business vision.
The role includes developing, testing, and maintaining Python-based applications, services, integrations, and data workflows, with a focus on scalable, reliable, and high-quality solutions.

While the engineer should have experience working with data platforms and pipelines, the role also involves broader Python engineering tasks such as API development, backend services, automation, system integrations, and application optimization.

Working closely with architects, platform teams, and clients from early design stages, the engineer contributes to scalable software platforms and enables reliable, maintainable solutions across systems and business domains.

Key Responsibilities Python Developer

Backend Services & APIs: Design, develop, and maintain scalable Python-based backend services, APIs, integrations, and automation solutions, with a focus on reliability, performance, security, and maintainability.

Service, Data & Database Integration: Integrate backend services with databases, external systems, and data-processing components, including support for high-volume or time-series workflows where required. Design and optimize relational database schemas, queries, indexes, and data models to ensure scalability and reliability.

Data Processing & Performance: Develop and maintain data-ingestion, transformation, validation, and processing workflows for analytics and operational use cases. Monitor, troubleshoot, and improve application, service, and database performance and operational reliability.

Delivery & Collaboration: Contribute to CI/CD pipelines, deployments, testing, code reviews, monitoring, and operational excellence. Collaborate closely with other developers, platform teams, and stakeholders to deliver reliable, maintainable solutions.

What We Are Looking For

Bachelor's/Master degree in IT (or related) field
Strong experience in Python development (5–8 years)
Expert-level Python development for backend systems, including API design, testing, data processing and Clean Code practices.
Strong SQL skills with a solid understanding of relational data modeling and performance optimization.
Experience working with cloud-based data platforms and data pipelines.
Your communication skills are excellent. You communicate the architectural design and technical solution with the client and the team and set clear goals to work towards
You have a strong problem-solving and ownership mindset.
You have experience with Agile/Scrum methodologies
Your communication skills in English are excellent (Dutch is plus)

Nice-to-Have:

Experience with containerization and deployment workflows (e.g., Docker).
Experience with ORMs and database migration tooling.
Familiarity with data pipelines, analytics workflows, or data-intensive systems.
Experience in the energy domain

What We Offer

Challenging project in the energy sector
Start date: As soon as possible
Work week: 40 hours
Duration of the project: December 31, 2026 (with an option to extend)
Location: Hybrid (office in Rotterdam)

Please note that a take-home case study is part of the recruitment process (after a 30 min online pre-interview). The take-home case study requires 1–2 hours of your effort. It encourages the use of higher-level tools (e.g., pandas) and focuses on system design, abstraction, correctness of business logic, and testing. The outcome of the take-home case study, if positive, will be discussed during the 1st interview.

Utilus is an equal opportunity employer. We celebrate diversity and are committed to creating an inclusive environment for all employees.

Please note that we only accept applicants that are located in the Netherlands at time of application.

Apply for the job

Do you want to join our team as our new Python Developer? Then we'd love to hear about you!

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software developer vacatures in leidschendam, zh

Python Developer (ZZP)

Backend Developer

Java CMS developer

Frontend React Developer | e-commerce

Java Developer

Java Developer

Full-Stack Developer

Front end Project Manager

Lead Java Developer

Java Fullstack ontwikkelaar

Principal Back-end Developer (.NET/ C#)

Magento developer met focus op front-end en Hyvä

Java Developer in Gouda

Java Developers - diverse branches

Java Developer (Team Lading)

Backend Developer | Magento | e-commerce

Java Developer (Platform Team)

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