Senior Fullstack Software Engineer

GigsEurope

On-site Full-time €85K/yr - €120K/yr

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Experience Level

Senior

Qualifications

Advanced experience in building web applications using React. You are proficient in TypeScript, well-versed in Next.js, and capable of implementing both standard and advanced React patterns. You have a minimum of 5 years of experience in this field.

About the job

About Gigs

At Gigs, we are pioneering the operating system for mobile services, a transformative platform that allows tech companies to seamlessly integrate global connectivity into their products.

Much like how Stripe enables businesses to add payment solutions in an instant, Gigs facilitates the integration of connectivity, bridging traditional telecom with modern technology. From fintech firms launching mobile services to HR platforms providing work phone solutions, we streamline provisioning and eliminate telecom complexities.

Our diverse team of around 100 professionals across Europe and the US is supported by nearly $100 million in funding from renowned investors such as Ribbit Capital, Google, and Y Combinator. As one of the rapidly expanding tech companies, we unite early-stage engineers, product developers, and business innovators from leading firms like Stripe, Airbnb, and Shopify. We are committed to overcoming significant technical and regulatory challenges to ensure truly seamless connectivity.

If you are fueled by curiosity, creativity, and the opportunity to revolutionize the future of telecom, we would love to connect with you.

The Role

You will contribute to the development of Connect, our consumer-oriented hosted checkout and subscription management service, and related projects aimed at enhancing customer experiences.
You will introduce innovative ideas that directly influence our app development and expand our product offerings.
You will utilize a modern tech stack including Next.js, React, TypeScript, and Tailwind CSS.
You will leverage your expertise in both Frontend and Backend technologies based on Next.js.
You will take full ownership of features from conceptualization to implementation, shipping, and continuous optimization.
You will collaborate closely with our UI/UX team to craft exceptional user experiences.
You will assist in designing maintainable and scalable software architectures.
You will provide constructive feedback, insights, and code reviews to fellow engineers.
You will engage with colleagues across the engineering organization through cross-functional teams and our RFC process.

Salary range: €85k - €120k.

About Gigs

Gigs is at the forefront of innovation in mobile connectivity, providing a cutting-edge platform that empowers tech companies to integrate global telecom solutions seamlessly into their offerings. With significant backing and a talented team, we are dedicated to simplifying the complexities of telecom for our customers.

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Full-time|On-site|Europe

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Feb 9, 2026

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Full-time|On-site|Europe

About the Project nix partners with leading insurers, brokers, fleet managers, and automotive manufacturers worldwide. With 3,300 employees in ten countries, the company supports over 1,200 clients and helps the global insurance market manage millions of claims each year. The current focus is a major transformation program, where software solutions play a central role. This effort emphasizes cloud computing, modern design patterns, and an AI First approach that brings AI-driven practices into daily work. What You Will Do Build automated test scripts to verify new software meets business needs. Develop a strong understanding of business operations and workflows. Track, monitor, and document QA test results. Improve and extend automation frameworks for both backend and frontend systems. Mentor and support other QA team members. Estimate QA effort during work refinement sessions. Help define and improve the overall test automation strategy. Run performance tests and compare results to set criteria. Support User Acceptance Testing (UAT) and guide end users on software usage. Participate in test planning and take ownership of assigned streams. Maintain an AI-driven mindset and stay ready to apply AI practices. Work closely with the Scrum team to improve processes and meet commitments. Role Details Title: Senior Automation QA Engineer (C#) Location: Europe (remote or onsite, as specified by nix) Key technologies: C#, automation frameworks, cloud computing, AI-driven tools

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