Fullstack Developer

JavaScript

Fullstack Developer

JavaScript
-, Warszawa

Creotech

Full-time
Permanent
Mid
Hybrid

Job description

Tasks

  • Design and build internal web applications supporting security, DevOps, and AI workflows.

  • Develop frontend and backend architecture, APIs, and integrations with existing systems.

  • Build integration layers aggregating data from CI/CD, security scanners, code repositories, and ticketing tools.

  • Automate workflows such as risk approvals, project onboarding to AI platforms, and access management.

  • Develop interfaces for AI platform operations: experiment execution, model monitoring, and evaluation review.

  • Build security dashboards (alerts, vulnerability status, compliance controls) and implement RBAC and audit logging.

  • Ensure code quality through testing, technical reviews, and performance/scalability improvements.

Requirements

  • At least 3 years of experience as a Fullstack Developer.

  • Hands-on experience with modern frontend/backend frameworks and API design.

  • Experience in system integrations and multi-source data processing.

  • Ability to build internal tools and deliver rapid prototypes.

  • Knowledge of web application security fundamentals (RBAC, session security, audit logging).

  • Experience writing tests and maintaining code quality standards.

  • Strong ownership, organization, and technical communication skills.

  • Good command of English.

Nice to Have

  • Experience with cloud platforms and microservice architectures.

  • Experience integrating AI provider APIs (e.g., OpenAI) and internal inference services.

  • Experience building operational and analytics dashboards.

  • Familiarity with DevOps and cybersecurity domains.

We Offer

  • High ownership and direct impact on internal engineering tooling.

  • Work on cross-domain projects connecting software engineering, security, and AI.

  • Opportunities for growth in an automation-first, quality-focused environment.

  • Stable employment terms and a collaborative team culture.

We offer

  • Work in a friendly, well-coordinated team of enthusiasts

  • Stable employment in a modern company with an established market position

  • Attractive salary and benefits package (e.g., private medical care, sports card)

  • Opportunities for professional development and participation in innovative projects

Tech stack

    English

    B2

    Backend

    regular

    frontend

    regular

    API

    regular

    Fullstack

    regular

    Microservices

    nice to have

    Cloud Platforms

    nice to have

    OpenAI

    nice to have

Office location

Fullstack Developer

Summary of the offer

Fullstack Developer

-, Warszawa
Creotech
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