Senior Full Stack Engineer

Cognism is a market leader in international sales intelligence. Access to our premium data, has helped a wide variety of global revenue teams change their approach to prospecting, resulting in predictable and prosperous outcomes.

Following multiple successful funding rounds and the acquisition of Mailtastic (2020), an email signature solution provider, and Kaspr (2022), a Paris-based sales prospecting tool, there has never been a more exciting time to join us.

As we grow, one of our main objectives is to continue hiring individuals, who are both a professional and cultural fit for our Company. Our values are at the core of everything we do!

Our people;

• Are Nice!
• Are Collaborative. We’re in this together!
• Are Solution-Focused. For every problem, we’ve got a solution!
• Are Understanding.
• Celebrate Individual Contributors.

We are committed to creating a diverse and inclusive global workplace, which encourages you to achieve any goals you may have, while having fun along the way!

The Company

Kaspr.io, part of the Cognism Group, is at the forefront of revolutionizing how businesses connect with their ideal prospects. As an innovative leader in data enrichment and sales enablement, we’re building exciting new features in a fast-paced, tech-driven environment. If you’re excited about working in a dynamic team that thrives on innovation, Kaspr.io offers the perfect stage to make an impact.

Role Overview

You’re a proactive problem solver with strong product sense and a passion for building scalable web applications. You have proven expertise in both frontend and backend web development, with hands-on experience in modern frameworks and technologies. You collaborate seamlessly with Product Managers and Designers, turning concepts into powerful, user-friendly features. You’re comfortable managing multiple challenges simultaneously and thrive on creating efficient, well-structured code that delivers real impact. You are not afraid to manage technical debt and while maintaining rigorous testing standards to ensure that our systems remain robust, maintainable, and adaptable to future needs.

Responsibilities

Fullstack Development: Lead the design and implementation of robust, scalable, and secure systems across both backend and frontend.

Mentorship: Mentor and guide the engineering team on best development practices across both backend and frontend technologies.

Technical Debt Management: Proactively identify, prioritize, and address technical debt to ensure long-term code quality and maintainability.

Testing: Develop and maintain automated tests to ensure code quality, reliability, and performance.

Problem Solving: Troubleshoot complex fullstack issues and guide the team in finding and implementing effective solutions.

Collaboration: Work closely with our engineering team, Engineering Manager, and Product Manager to drive the technology vision and strategy.

Continuous Improvement: Advocate for continuous improvement practices within the team, ensuring our codebase and infrastructure evolve with our business needs.

Our Tech Stack

Backend: NodeJS, Javascript, TypeScript, MongoDB, RabbitMQ

Frontend: ReactJS

API: REST, GraphQL

Infrastructure: AWS

Requirements

Experience: Proven experience (minimum 6 years) as a Fullstack Engineer or in a similar senior role, focusing on high-level architecture, strategy, and vision.

Technical Skills: Proficiency in NodeJS, TypeScript, MongoDB, RabbitMQ, and ReactJS. Experience with GraphQL is a plus.

Testing Skills: Strong experience in developing and maintaining automated tests (unit, integration, end-to-end) to ensure code quality and reliability.

Leadership: Strong leadership and mentorship skills.

Strategic Thinking: Exceptional ability to translate business requirements into scalable technical solutions.

Technical Debt Management: Experience in identifying and managing technical debt, ensuring long-term maintainability of codebases.

Being an ex-founder or having startup experience is a huge plus.

SaaS Industry: Understanding of the Software as a Service (SaaS) industry is a plus.

We look forward to hearing from you!