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Senior Full Stack Web Developer (JavaScript/TypeScript)

  • Company: At 100mentors, we help organizations embrace Generative AI with confidence — unlocking human potential, driving innovation, and keeping people at the heart of every decision. Meetings today are broken — too many, too long, and often unproductive. That’s why we’re building Wiserwork, an AI-powered solution that transforms how teams prepare, run, and follow up on meetings — making every interaction more focused, efficient, and impactful. Alongside GenAI Academy and GenAI Summit, Wiserwork is at the core of our mission to help organizations navigate the Generative AI era with clarity and confidence.
  • Location: Athens, Greece, with flexible remote or hybrid work options.
  • Role: Senior JavaScript/TypeScript Engineer, responsible for developing and maintaining robust, scalable web applications.

Key Responsibilities

  • Development: Architect and implement high-performance web applications utilizing TypeScript, Node.js.and React.js
  • AI Integration: Integrate cutting-edge AI technologies, including Large Language Models (LLMs)
  • Database Architecture: Design and optimize database schemas using Postgres, with Prisma as an Object-Relational Mapper (ORM).
  • Caching: Implement and manage efficient data caching strategies using Redis.
  • API Development: Build and maintain GraphQL APIs, ensuring high code quality through rigorous testing and performance tuning.
  • Collaboration: Work closely with cross-functional teams to define, design, and deploy new features.
  • Mentorship: Mentor junior developers and participate actively in code reviews and knowledge sharing.

Required Qualifications

  • Experience: Extensive experience as a Senior Software Engineer or in a comparable role, with deep expertise in JavaScript, TypeScript, Node.js and React.js.
  • Database Proficiency: Strong proficiency in Postgres, and Redis.
  • API Expertise: Proven experience in developing and maintaining APIs.
  • Software Engineering Principles: Comprehensive understanding of software development principles, design patterns, and best practices.
  • Problem-Solving: Excellent problem-solving and debugging skills to address complex technical issues.

Familiarity with the following is not required but will be considered a plus

  • GraphQL: Apollo
  • Postgres Node ORMs: Prisma ORM, Drizzle, et al
  • AI Knowledge: LangChain, Llamaindex, OpenAI APIs
  • Compensation: Competitive salary commensurate with skills and experience.
  • Work Flexibility: Flexible work arrangements, including hybrid options.
  • Health Benefits: Private health insurance plan.
  • Professional Growth: Opportunities for continuous professional development.
  • Location: Centrally located office in Athens.

Application

If you are passionate about technology and AI and are driven to contribute to the future of Generative AI-powered collaboration, we encourage you to apply here: https://100mentors.peopleforce.io/careers/v/105944...

What You Should Know About Senior Full Stack Web Developer (JavaScript/TypeScript), 100 MENTORS

At 100mentors, we're on a mission to redefine meetings with our innovative AI-powered platform, Wiserwork. We're looking for a Senior Full Stack Web Developer specializing in JavaScript and TypeScript to join our dynamic team. If you're excited about developing scalable web applications and integrating cutting-edge AI technologies, this role is perfect for you! In this position, you'll be designing high-performance applications using Node.js and React.js while optimizing database architectures with Postgres. Your experience will be key in implementing data caching strategies using Redis and building robust GraphQL APIs. We're not just looking for a coder; we want someone who enjoys collaboration and mentoring junior developers. You'll be part of a creative space in Athens, Greece, but we also offer flexible remote or hybrid work options—because we understand the need for work-life balance. Bring your extensive experience in software engineering and your passion for problem-solving, and let's transform how teams collaborate in the AI era together. With competitive compensation and a commitment to your professional growth, joining 100mentors is a step towards a meaningful career in technology and innovation. Let’s innovate the future of meetings, one line of code at a time!

Frequently Asked Questions (FAQs) for Senior Full Stack Web Developer (JavaScript/TypeScript) Role at 100 MENTORS
What are the main responsibilities of a Senior Full Stack Web Developer at 100mentors?

As a Senior Full Stack Web Developer at 100mentors, your key responsibilities include architecting and implementing high-performance web applications using TypeScript, Node.js, and React.js. You will also integrate AI technologies, design database architectures using Postgres, manage caching with Redis, and build GraphQL APIs, ensuring high code quality through rigorous testing. Collaboration with cross-functional teams and mentoring junior developers will also be part of your role.

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What qualifications do I need to apply for the Senior Full Stack Web Developer position at 100mentors?

To apply for the Senior Full Stack Web Developer position at 100mentors, you should have extensive experience in software engineering, especially in JavaScript, TypeScript, Node.js, and React.js. A strong proficiency in Postgres and Redis is essential, as well as proven experience in developing and maintaining APIs. A deep understanding of software development principles and excellent problem-solving skills are also crucial for success in this role.

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How does 100mentors support professional growth for Senior Full Stack Web Developers?

At 100mentors, we believe in the continuous professional development of our team members. As a Senior Full Stack Web Developer, you will have access to various opportunities for professional growth, including mentorship programs, workshops, and exposure to latest industry trends in AI and web development. We encourage our developers to stay ahead in their skills and knowledge, ensuring they can thrive in their careers.

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What technologies will I be working with as a Senior Full Stack Web Developer at 100mentors?

In your role as a Senior Full Stack Web Developer at 100mentors, you will primarily work with TypeScript, Node.js, and React.js to build scalable applications. You'll also utilize Postgres for database architecture, Redis for data caching, and develop GraphQL APIs. Familiarity with AI tools and concepts, such as LangChain and OpenAI APIs, will be beneficial but not mandatory.

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Is remote work an option for the Senior Full Stack Web Developer role at 100mentors?

Yes, at 100mentors, we offer flexible work arrangements for the Senior Full Stack Web Developer role, including remote and hybrid options. We understand the importance of work-life balance and want to create an environment that fosters productivity and personal well-being, all while contributing to our mission of enhancing collaboration through AI.

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Common Interview Questions for Senior Full Stack Web Developer (JavaScript/TypeScript)
Can you explain your experience with Node.js and how it relates to your work as a Full Stack Developer?

In your answer, highlight specific projects where you've used Node.js, discussing your approach to building scalable web applications and your familiarity with its ecosystem. Describe how Node.js facilitates efficient server-side development and integrates well with frontend technologies like React.js.

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How do you ensure the quality and maintainability of code in your projects?

Discuss your experience with writing unit tests, conducting code reviews, and using design patterns. Explain how these practices contribute to code quality and maintainability, ensuring that your work as a Senior Full Stack Developer aligns with best practices.

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What strategies do you use for optimizing database performance?

Share specific techniques you've applied, such as indexing, query optimization, and the use of ORM tools like Prisma. Discuss how you apply these strategies in your role to ensure efficient data retrieval and management, particularly with Postgres databases.

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How do you approach integrating AI technologies into your web applications?

Describe your understanding of AI technologies and give examples of past projects where you've integrated AI features. Discuss your comfort level with tools like LLMs and how they enhance the functionality and user experience in web applications.

Join Rise to see the full answer
Can you provide an example of a complex problem you solved in a recent project?

Choose a specific project where you encountered a significant challenge. Detail your thought process, the steps you took to resolve the issue, and the results, demonstrating your problem-solving skills as a Senior Full Stack Developer.

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How do you stay updated with new technologies and industry trends?

Discuss the resources you utilize for staying informed, such as blogs, online courses, community forums, and conferences. Explain how continuous learning informs your practices and decision-making in development.

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What is your experience with GraphQL, and how do you believe it compares to REST APIs?

Share your practical experience with GraphQL, including any projects where you utilized it. Discuss the advantages of GraphQL over REST, such as flexibility in data fetching and how that benefits frontend developers.

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How do you approach collaboration with cross-functional teams?

Explain your communication style and how you ensure effective collaboration with other departments, such as design and product management. Highlight your ability to listen and integrate feedback from teams to enhance product development.

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What methods do you use for caching data, and why is it important?

Detail your experience with Redis and other caching technologies, discussing how effective caching strategies can drastically improve application performance and reduce load times.

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How have you mentored junior developers in your previous positions?

Share your approach to mentorship, including specific examples of how you've guided junior developers in their career growth. Discuss the benefits of knowledge sharing and team development in your work as a Senior Full Stack Developer.

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The problem: We take our most critical career & academic decisions quite randomly. * Our mission: To empower the world’s youth to consciously take their once in a lifetime decisions. 100mentors: On-demand access to the world's largest alumni net...

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March 13, 2025

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