Fullstack Engineer

Huzzle.com

. Architect, build, and maintain complete web applications and backend services from concept through to production.

Posted 9/24/2026full-timeBerlin • GermanyMid-LevelSeniorWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates expertise in architecting and building web applications and backend services, with advanced proficiency in JavaScript, TypeScript, and modern frameworks like React and Next.js. Capable of managing cloud infrastructure, optimizing performance, and integrating AI-powered solutions while effectively communicating technical concepts to diverse stakeholders.

Highest-signal resume keywords

JavaScript / TypeScript ProficiencyReact / Next.js DevelopmentPython / Node.js Backend ExperienceCloud Platform Experience (AWS, GCP, Azure)Relational Database Design (PostgreSQL)

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

Web Application ArchitectureAPI DevelopmentResponsive Frontend DesignEvent-Driven ArchitectureLoad TestingData Processing PipelinesContainerization (Docker)Browser AutomationData ExtractionSaaS Application Development

Soft Skills

Excellent Communication SkillsIndependent Problem Solving

Tools & Technologies

RedisElasticsearchOpenSearchCI/CD Pipelines

Industry Keywords

AI-Powered ProductsHigh-Volume Search ToolsMarketplace DevelopmentNoSQL Environments

Tech Stack

Tools & technologies

AWSAzureCloudDockerElasticSearchGoogle Cloud PlatformJavaScriptNext.jsNode.jsNoSQLPostgresPythonReactRedisTypeScript

About the role

Key responsibilities & impact

Architect, build, and maintain complete web applications and backend services from concept through to production.
Design and implement responsive frontend interfaces, complex user flows, and internal dashboards.
Develop and manage APIs, background workers, scheduled jobs, and automated processing pipelines.
Integrate third-party APIs, LLMs (agentic workflows, tool calling), and data-ingestion systems, including authorized scraping.
Oversee cloud deployment, infrastructure monitoring, and CI/CD pipelines to ensure high system resilience.
Perform load-testing and stress-testing to preemptively address bottlenecks and scaling issues.
Optimize cloud, database, and AI token consumption for cost-conscious engineering.

Requirements

What you’ll need

Proven track record of end-to-end ownership, having personally built and shipped complete applications.
Advanced proficiency in JavaScript / TypeScript and modern frontend frameworks (React, Next.js).
Strong backend experience with Python, Node.js, or similar technologies.
Deep understanding of relational database design (PostgreSQL) and event-driven architectures (Redis, Queues).
Experience with major cloud platforms (AWS, GCP, or Azure) and containerization (Docker).
Ability to work independently in a fast-paced environment, identifying the simplest viable technical approach to solve complex problems.
Excellent communication skills with the ability to explain technical tradeoffs and risks to non-technical stakeholders.
Experience building AI-powered products or sophisticated data platforms.
Familiarity with vector databases (Elasticsearch/OpenSearch) and NoSQL environments.
Background in developing SaaS applications, marketplaces, or high-volume search tools.
Experience with browser automation and large-scale data extraction

Benefits

Comp & perks

Competitive salary
Fully remote work environment
Career growth opportunities
Long-term stability
Collaborative and supportive team culture