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Keystone Solutions

Back-End Developer (Node.js)

Keystone Solutions
Belgium · Full-time · Mid-Senior

Mission Overview:

Keystone Solutions is seeking a skilled Back-End Engineer to join our consultancy team. This position focuses on delivering robust, scalable back-end systems for our clients while working on-site at their locations as a Keystone Solutions consultant. The successful candidate will have the opportunity to engage in a variety of diverse projects that enhance digital experiences and support global events.

Key Responsibilities:

  • Architect and build robust, scalable back-end systems to support a variety of digital experiences and global events.
  • Design and implement high-performance APIs, microservices, and data-driven applications.
  • Work with front-end developers to integrate user-facing elements with back-end logic.
  • Optimize back-end services to ensure speed, scalability, and reliability, even during peak traffic events.
  • Drive technical decisions, code reviews, and mentor junior developers to build a high-performing team.
  • Collaborate with other teams to design and implement data models, API structures, and workflows that support business objectives.


Must Haves:

  • At least 3 years of experience as a back-end engineer building applications with a large user base.
  • Strong experience with Node.js, cloud platforms (AWS), and containerization (Docker).
  • Proficiency in designing and building RESTful APIs and microservices architectures.
  • Deep understanding of databases (SQL and NoSQL) and data modeling.
  • Familiarity with CI/CD pipelines, version control (Git), and deployment processes.
  • Experience with performance optimization techniques and ensuring system reliability at scale.
  • You are fluent in Dutch and English.


Nice-to-Haves:

  • Experience with GraphQL and event-driven architectures.
  • Previously worked with other programming languages like PHP or Python.
  • Familiarity with caching technologies (Redis, etc.).
  • Knowledge of container orchestration and infrastructure-as-code tools (e.g., Terraform, Ansible).
  • Familiarity with message queues and event-streaming platforms (Kafka, RabbitMQ).
  • Experience with monitoring and logging tools (Prometheus, ELK stack, etc.).


Consultancy Nature of Work:

As a Keystone Solutions consultant, you will engage directly with our clients, providing solutions that adapt to their specific needs. This role promises dynamic on-site work, allowing you to experience various environments and drive real impact.

Dynamic Projects:

You will have the chance to work on diverse challenges across various client projects, which will not only enrich your skill set but also expand your professional network.

Turbo-Charged Learning and Development:

At Keystone Solutions, we prioritize your professional growth through broad learning experiences and ongoing development support, ensuring you're always learning from both your projects and your peers.

Ambition Skyrocketing within a Consultancy Framework:

Our consultancy model fosters career growth through varied client engagements, empowering you to reach your professional aspirations faster.

Emphasizing Keystone Solutions’ Values in a Consultancy Context:

Being a “K-Stone” means embodying our core values in every consulting engagement, ensuring our clients receive not just expertise, but also a commitment to quality and collaboration.

If you are ready to tackle technical and strategic challenges in a dynamic consultancy environment, apply today at Keystone Solutions Career Portal.

Key Skills

Ranked by relevance

microservices containerization message queues restful apis prometheus terraform graphql nosql redis kafka cloud cicd git sql aws php elk
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Posted
Feb 28, 2025
Type
Full-time
Level
Mid-Senior
Location
Antwerp

Industries

Information Technology & Services

Categories

Engineering Information Technology

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