11 beste vacatures voor de functie van javascript developer in sassenheim, zh (nieuwe medewerkers gezocht)

Senior Software Engineer
Syntho —Amsterdam
- Fulltime
- Informatica
- DevOps
- Master
Snel solliciteren
Integratiespecialist
Lefebvre Sdu —Den Haag
- € 4.190 - € 5.230 per maand
- Fulltime
- Hybride werken
- SQL
- Analytisch vermogen
- Bachelor
- Winstdeling
- Reiskostenvergoeding
Snel solliciteren
Senior Mendix Ontwikkelaar
CBR —Rijswijk
- € 4.747,81 - € 6.431,61 per maand
- Parttime
- Azure
- Oracle
- DevOps
- Zorgverzekering
Tester / Test Automatiseerder Detachering (medior/senior)
ITIS —Randstad
- € 4.000 - € 6.000 per maand
- Parttime
- Hybride werken
- Java
- SQL
- JavaScript
- Werk vanuit huis
- Budget voor professionele ontwikkeling
Senior Agent - Software Developer - .NET and Python, Solution Delivery Unit (FGIV)
Europol —Den Haag
- Weekendbeschikbaarheid
- Microsoft Powerpoint
- Microsoft Word
- Microsoft Excel
AFSTUDEERSTAGE MARKETING (HBO/WO)
Qualogy —Rijswijk
- € 500 per maand
- E-mail
- Hybride werken
- Azure
- Marketing
- Socialemediabeheer
Senior Software Engineer - Oracle
MSTS Tolls —Rijswijk
- Fulltime
- Informatica
- Oracle
- Informatica
Senior DevOps Engineer
Leidos —Den Haag
- € 107.900 - € 195.050 per jaar
- Fulltime
- Informatica
- Troubleshooting
- DevOps
ServiceNow Consultant
Devoteam Netherlands —Amsterdam
- Hybride werken
- Engels
- Analytisch vermogen
- JavaScript
Snel solliciteren
Senior QA Analyst
Konecranes —Rijswijk
- Fulltime
- Hybride werken
- Informatica
- Java
- Analytisch vermogen
Snel solliciteren
Senior Consultant Mendix - Digital Proces Excellence
KPMG Nederland —Amstelveen
- € 3.965 - € 5.050 per maand
- Hybride werken
- Kantoor
- Projectmanagement
- Bachelor
- Bedrijfsfitness
Snel solliciteren

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SAP Integratiespecialist - Utrecht
NS —Utrecht Binnenstad
Hbo- of wo-diploma en minimaal 5 jaar ervaring met SAP-integraties. Een salaris in de range van €4.357,- tot €7.515,- bruto per maand (gebaseerd op een 36-urige…
Integratiespecialist
Lefebvre Sdu —Den Haag
Ruimte voor professionele ontwikkeling via opleidingen, trainingen en leergangen. Vertalen van businesswensen naar technische oplossingen en regie voeren bij…
€ 4.190 - € 5.230 per maand
Snel solliciteren

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Senior Software Engineer

Syntho
Amsterdam

Snel solliciteren

Vacaturegegevens

Fulltime

Kwalificaties

CI/CD
Authenticatie
Informatica
React
Kubernetes
DevOps
Gegevensstructuren
Master
Databases
Docker
JavaScript
PostgreSQL
Continuous integration
Redis
Begeleiding
Django
Schaalbaarheid
Kafka
TypeScript
Python
Debuggen

Volledige vacaturetekst

Company Information

Syntho is a data technology organization with a strong expertise in synthetic data, headquartered in Amsterdam, Netherlands. It was founded in 2020 with the goal of solving the global privacy dilemma and enable the open data economy, where data can be used and shared freely and privacy guaranteed. We offer privacy-preserving synthetic data to unlock your data and take away legitimate privacy concerns. As a startup, Syntho has ambitious plans in the upcoming years and is growing really fast. Want to grow your career and be at the forefront of data-driven innovation? Then we’re looking for you!

Role Description

We are looking for a Senior Software Engineer to join our team and help improve our rapidly growing application. You will work across all layers of our technology stack, solving complex challenges related to distributed computing, performance optimization, and software maintainability. Your contributions will directly impact the scalability, reliability, and efficiency of our platform.

What’s in it for you

Opportunity to work on a cutting-edge distributed computing platform.
Solve real-world challenges related to performance, scalability, and maintainability.
Working with a young & ambitious team that values software engineering best practices.
Work with state-of-the-art technologies and become front-runner with the latest (AI) developments.
Doing good – contribute in solving one of the key global challenges: the data / privacy dilemma.
Regular team outings and Friday company catch-ups and drinks.
An awesome startup culture of responsibility and freedom to turn your ambition into reality.

Key Responsibilities

Design, develop, and optimize both frontend and backend components, ensuring clean, maintainable, and efficient code.
Capable of developing production-ready features from front to back
Address technical debt, refactor inefficient code, and resolve memory overflow issues.
Implement software engineering best practices (SOLID, DRY, Clean Code, Design Patterns, etc.).
Write and maintain unit and integration tests for all application layers.
Improve system observability, monitoring, and debugging tools.
Collaborate with other engineers and stakeholders to define best practices and architectural improvements
Our technology stack consists of: Ray.io, FastAPI, Celery/Redis, Alembic, Django (being discontinued), and NextJs, the person for this position should be capable of engineering solutions using this technology stack with least friction, or in similar ones.
Usual tasks to be performed within the technology stack:
- Enhance and maintain our FastAPI-based web API and help discontinue our Django authentication and authorization layer by adding this support to FastAPI itself.
- Improve and extend our Next.js/ReactJS frontend, ensuring a smooth user experience.
- Work with Ray.io to optimize and scale our distributed computing tasks.
- Optimize PostgreSQL database queries and indexing for high performance.

Requirements

Strong knowledge of computer science fundamentals, including algorithms, data structures, concurrency, and distributed computing.
Proficiency in Python for backend development.
Experience with FastAPI and Django (authentication & authorization).
Proficiency in JavaScript/TypeScript, particularly with ReactJS and Next.js.
Strong experience with databases and PostgreSQL, including query optimization.
Familiarity with Ray.io or similar distributed computing frameworks.
Solid understanding of asynchronous programming and parallel processing.
Experience in designing scalable and maintainable software architectures.
Strong problem-solving skills and ability to work on complex technical challenges.
Excellent communication and collaboration skills.
Experience refactoring large-scale applications and resolving performance bottlenecks.
Knowledge of containerization (Docker, Kubernetes).
Experience with CI/CD pipelines and DevOps practices.

Preferred Qualifications

Familiarity with message queues (e.g., Redis, RabbitMQ, Kafka).
Experience leading engineering teams or mentoring junior developers.

Snel solliciteren

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javascript developer vacatures in sassenheim, zh

Senior Software Engineer

Integratiespecialist

Senior Mendix Ontwikkelaar

Tester / Test Automatiseerder Detachering (medior/senior)

Senior Agent - Software Developer - .NET and Python, Solution Delivery Unit (FGIV)

AFSTUDEERSTAGE MARKETING (HBO/WO)

Senior Software Engineer - Oracle

Senior DevOps Engineer

ServiceNow Consultant

Senior QA Analyst

Senior Consultant Mendix - Digital Proces Excellence

More jobs to discover

Ik wil de nieuwste vacature-alerts ontvangen voor de functie van javascript developer in sassenheim, zh

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