Job description

Summa Linguae Technologies is seeking a talented Full-Stack JavaScript Developer to join our team and contribute to building high-performing, user-friendly applications. This role focuses on leveraging modern JavaScript frameworks and tools, including React, Node.js, and related libraries, to create seamless front-end and back-end solutions. The ideal candidate is well-versed in asynchronous programming, state management, API integrations, and responsive design. If you are passionate about delivering exceptional digital experiences and thrive in a collaborative environment, we want to hear from you!

Work location and timezone: Europe - CET

Core Technical Skills

Proficiency in JavaScript
Understanding of asynchronous programming and event-driven architecture.
Knowledge of RESTful APIs and (GraphQL).
Proficiency in Node Package Manager (npm)
Understanding of file systems, streams, and buffers.
Strong understanding of React hooks (useState, useEffect, useReducer).
Knowledge of Context API, or other state management tools.
Familiarity with React Router for navigation and routing.
Experience with component libraries.
Proficiency in building and styling components with CSS modules, SASS, or Styled Components.
Knowledge of server-side rendering (SSR)
Experience with React Testing Library, Enzyme...

General Frontend Skills

Solid grasp of HTML5, CSS3, and responsive design principles.
Knowledge of modern CSS frameworks (e.g. Bootstrap).
Experience with cross-browser compatibility issues and solutions.

Database Skills

Experience with SQL databases (e.g., MySQL, SQLite).

Nice to have skills

Experience with real-time frameworks like Socket.IO or WebSockets.
Familiarity with security best practices (e.g., OAuth).
Experience with performance optimization and scalability in backend applications.
Familiarity with tools like Webpack, Babel, and ESLint.
Understanding of progressive web applications (PWAs).
Experience with CI/CD pipelines (e.g. GitHub Actions).
Familiarity with containerization (Docker) and orchestration (Kubernetes).
Knowledge of cloud platforms (Digital Ocean, AWS, Azure, Google Cloud) for deployment.
Understanding of database performance optimization.
Knowledge of microservices architecture.
Understanding of AI/ML integration in applications.
Familiar with Python and how to use it with various LLM frameworks.
know how to process excel, csv/tsv, json (filtering data, or converting from one format to another, or merging different files together, etc).
xml processing (DOM and SAX), do transformations
web scraping (selenium, beautifulsoup, or others)
working with sqlite3
ETL, text-2-sql
AWS S3, boto3, EC2 & Athena
Knowing the open source localization data formats, especially TMX and XLIFF.
Knowing how to build data processing pipelines for localization used in the AI and data world
Having played with all kind of LLMs
Familiar with Snowflake or similar

Soft Skills

Ability to collaborate in cross-functional teams using tools like JIRA, Microsoft Teams, Slack…
Strong problem-solving skills and attention to detail.
Excellent communication skills to explain technical concepts.
Ability to write clean, maintainable, and well-documented code and knowing how to automate this.
Experience working in Agile/Scrum development environments.

Goes without saying

Good communicator (listening & speaking)
Fluent in English – any other language is a win!
Flexible: sometimes we will need work to be done early in the morning, late at night or in the weekend.
Smart & open minded, responsive on feedback
Self-employed: we work with contractors. You can work from home but you may be asked to travel if needed.
An entrepreneurial mindset, see work, see opportunity