Internet & Online Diensten Vacatures in Dronten

Over de vacature

Salary: €55.000 - 75.000 per year Requirements:

• What We’re Looking For

• At least 8 years of backend development experience, with a strong focus on Go.

• Expertise in concurrency, memory management, and performance tuning in Go.

• Hands-on experience with Google Cloud Platform (GCP), Kubernetes, and scalable cloud-based architectures.

• Strong experience in designing and maintaining high-performance APIs and microservices.

• Proficiency in working with relational and NoSQL databases, optimizing queries and schemas for scalability.

• Familiarity with CI/CD pipelines, automated testing, and deployment strategies.

• Experience with monitoring and logging tools like Prometheus, Grafana, and Stackdriver.

• Has perfect command of the English language, both verbally and in writing. Dutch is a plus.

• Is comfortable working at least 4 days in-office in Haarlem, reduced to 3 days if living more than 45 km away.

• We have flexible office hours; our office is open from 7am till 6pm. You can start your day early!

  Responsibilities: - Backend Developer Go

• Fulltime | Haarlem

• Want to be part of an advanced service-oriented architecture?

• We're looking for a highly skilled Experienced Go Developer to join our backend team.

• We're currently transitioning from a PHP monolith to a scalable, service-oriented architecture in Go. We need a hands-on expert to refine and optimize our existing backend systems, while also building new services during this ongoing transition.

• If you’re passionate about designing high-performance backend services and enjoy transforming evolving infrastructures, we’d love to hear from you!

• What you'll do?

• As an Experienced Go Developer, you’ll be responsible for architecting and implementing backend services that support our global platform. You’ll work closely with a cross-functional team that includes frontend, QA, DevOps, and backend engineers to build scalable, secure, and high-performing solutions. Your work will directly contribute to the expansion of our platform, ensuring smooth operations for millions of users worldwide.

• Your responsibilities as an Experienced Go Developer

• Design, develop, and optimize (micro)services using Go, ensuring scalability, maintainability, and efficiency.

• Deploy and manage applications on Google Cloud Platform (GCP) using Cloud Run, Pub/Sub, Firestore, and Kubernetes for containerized deployments.

• Work with AlloyDB, Meilisearch, multiple MySQL databases, and Google Datastore, optimizing database performance, indexing, and query execution.

• Build and maintain robust RESTful and gRPC APIs, ensuring authentication, authorization, and efficient data exchange.

• Improve system performance with caching strategies, optimized query execution, and effective request handling.

• Promote best practices through code reviews, documentation, and knowledge sharing, ensuring high code quality and team collaboration.

  Technologies: - AI

• Backend

• CI/CD

• Cloud

• DevOps

• Frontend

• GCP

• Grafana

• Support

• Kubernetes

• MacBook

• MySQL

• NoSQL

• PHP

• Prometheus

• Web

• gRPC

• microservices

More:

About Harlem Next
As part of our team you will continuously develop the online entertainment industry. Harlem Next is creating high-traffic web applications used by millions of unique users every day across all continents. With the volumes running through our applications we rank among the top users of Google Cloud Services worldwide.

We offer you a challenging and rewarding work environment with team members holding extensive experience in multiple different technologies, which gives you the opportunity to expand your knowledge on various levels. On top of our current applications, we are also watching the explosive growth of AI closely to ensure we are part of a revolutionary change in the online entertainment landscape. Are you ready to revamp the online entertainment industry together? What do we offer you?
-Competitive salary: Between €4923 - €5979 gross per month, based on experience.
-The latest gen MacBook
-A stimulating and dynamic work environment with team outings and fun events.
-Excellent employment conditions including pension, 8% holiday allowance, annual bonus based on performance, travel expenses.
-Access to perks like incentive trip, office sports lessons, bicycle plan, healthy snacks, plenty of relaxation options including table tennis, and a delicious lunch.
-The opportunity to work on exciting projects and further develop your skills.
-An informal company culture where your ideas matter. Apply for the job
Are you drawn to this role and possess the required experience? Do you have a perfect command of English and preferably Dutch? If so, apply now to join our exceptional team at Harlem Next in Haarlem. Do you have any questions about the vacancy? Please contact Martine Bunschoten (recruiter) at +31 650747481. Acquisition due to this vacancy is not appreciated. last updated 41 week of 2026

Over de vacature

Salary: €45.000 - 55.000 per year Requirements:

• Je bent een ervaren full stack developer met meerdere jaren ervaring in het bouwen van moderne webapplicaties, op HBO- of WO-niveau. Je hebt een stevige basis in PHP (Laravel) en bent thuis in minimaal één JavaScript-framework zoals Vue.js, React of Angular. CI/CD-processen zijn voor jou dagelijkse kost, en je hebt affiniteit met Test Driven Development. Ervaring met hostingomgevingen als Docker, Kubernetes, Linux of Azure is een mooie pré. Je communiceert vlot in Nederlands en/of Engels.

  Responsibilities: - Als Full Stack Developer bij IJsfontein ben je verantwoordelijk voor de ontwikkeling en optimalisatie van onze digitale applicaties, van backend tot frontend. Je vertaalt inhoudelijke en functionele wensen naar schaalbare, veilige en gebruiksvriendelijke oplossingen, en zorgt dat zowel de backend als de frontend goed onderhoudbaar en uitbreidbaar blijft. Samen met het team en onze klanten schat je werkzaamheden in en bewaak je structuur en kwaliteit. Je geeft technisch advies, denkt mee over architectuur en bent een volwaardige sparringpartner. Dat doe je in een multidisciplinair team met interactieontwerpers, frontend developers, vormgevers en projectmanagers.

  Technologies: - Angular

• Azure

• Backend

• CI/CD

• Docker

• ELK

• Frontend

• JavaScript

• Kubernetes

• Laravel

• Linux

• PHP

• React

• Vue

• TDD

• Cloud

• Fullstack

More:

IJsfontein en educatie zijn onlosmakelijk met elkaar verbonden. Spelend leren is bij ons een vanzelfsprekend onderdeel van elk project. Spel en serieuze inhoud zijn niet met elkaar in tegenspraak, maar versterken elkaar. Gaming en interactie veranderen de manier waarop we als maatschappij kijken naar leren en motivatie. Vanuit onze expertise en visie op educatie levert IJsfontein een belangrijke bijdrage aan deze ontwikkeling.

Bij IJsfontein werken betekent dat je werkt aan maatschappelijk relevante projecten. Wij zijn een bureau waarbij het maken van kwaliteit bovenaan staat. De lijnen zijn kort, de werksfeer is informeel, warm en betrokken. Bij IJsfontein geloven we dat de beste ideeën ontstaan als mensen met verschillende achtergronden, perspectieven en ervaringen samenwerken. We verwelkomen iedereen, ongeacht gender, afkomst, leeftijd, beperking of seksuele oriëntatie. Kom zoals je bent, dat is precies wat we zoeken. last updated 41 week of 2026