Senior Full Stack Engineer

🕒 il y a 1 mois

🇵🇱 Pologne – Télétravail

⏰ Temps Plein

🟠 Senior

🧑‍💻 Développeur Full-Stack

👻 Score fantôme 37%

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🗣️🇺🇸🇬🇧 Anglais requis

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MWDN

51 - 200 employés

💼 Conseil

📦 Logistique

🏥 Santé

Consulting • Logistics • Healthcare

MWDN est une entreprise de services IT complète, spécialisée dans le développement logiciel, la conception web, le développement mobile (iOS et Android) et le développement desktop. Avec plus de 200 software engineers en interne, MWDN propose différents services, notamment le renforcement d'équipes, les équipes dédiées et le recrutement IT à l'international. Présente dans le monde entier grâce à ses delivery centers en Europe centrale et orientale, MWDN met en relation les entreprises des États-Unis, d'Europe et d'Israël avec des talents tech de premier plan, en privilégiant des solutions économiques et des services personnalisés, adaptés aux besoins de chaque client.

Description

• Build secure, scalable full-stack product features • Design data models, APIs, integrations, and backend architecture • Create reliable data pipelines with strong validation and observability • Ship high-value, high-trust AI/LLM-powered features • Build safe agentic workflows with scoped tools, permissions, logging, evals, and failure handling • Debug issues across ingestion, transformation, database, API, UI, and AI context • Design systems with security, privacy, auditability, and observability • Work across data ingestion, transformation, storage, APIs, product surfaces, AI workflows, agentic systems, and observability

🎯 Exigences

• 8+ years building production software • Strong experience with TypeScript, React, and SQL • Deep backend architecture, API, data modeling, and production debugging skills • Significant experience with data pipelines, integrations, or data-heavy systems • Experience building systems handling sensitive, regulated, and high-trust data • Production experience shipping robust AI/LLM-powered features • Strong understanding of evals, hallucinations, malformed outputs, retrieval quality, latency, cost, model drift, and provider risk • Good judgment about when to use LLMs, retrieval, improved data foundations, or deterministic code • Excellent written and verbal communication in English • High ownership, high agency, and low ego • Understanding of prompt injection, permission boundaries, data exfiltration risk, secrets handling, audit logs, and human-in-the-loop review • Comfort with access control, Postgres RLS, PII handling, secrets management, audit trails, least privilege, secure integrations, and safe third-party API usage • Experience with sturdy data pipelines, data validation, reconciliation, lineage, observability, audit systems, AI evals, AI observability, agent testing, or AI red-teaming • Experience in high-trust data environments such as finance, investment, legal, healthcare, or enterprise SaaS • Experience with Supabase, Postgres RLS, Deno, Modal, embeddings, vector search, transcription, GPU workloads, or similar infrastructure

🏖️ Avantages

• Security through careful client vetting to minimize risks and ensure reliable, timely payments • Career support and assistance finding new opportunities • Legal assistance with independent contractor or sole proprietorship status, taxes, and related processes • English courses and professional growth opportunities • Team-building events • Flexible working hours • 29 days of PTO (18 working days per year plus all national holidays) • 10 paid recovery days • Full financial and legal support for independent contractors • Free English classes with native speakers or Ukrainian teachers • Dedicated HR support

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