Fullstack Developer with solid C# and Javascript skills

Shift Technology; Paris; Hybride; EUR 60 000 - 85 000; Plein temps

Avantages offerts par ce poste

Flexible remote work

Hybrid working options

Competitive salary

Learning & development

Generous PTO

Mental health benefits

MAD Days

Résumé du poste

Shift Technology in Paris is seeking a Fullstack Engineer to design and implement complete designs for our applications and features. You will work across frontend and backend, building intuitive UIs and APIs for automated decision-making, with rapid delivery and high-quality code.

The role requires 2–5 years of software development experience, strong C# skills, and fluency in English. We offer flexible remote/hybrid options, a competitive salary with a variable component, and ongoing learning

Qualifications

• Between 2 and 5 years of software development experience.
• Solid C# skills – it’s a MUST.
• Frontend experience with any JS framework; ReactJS used.
• Fullstack capability: Frontend and Backend duties.
• Projects are well designed and cleanly written.
• Dynamic, curious, eager to learn and proactive.
• Impact-driven; you want your work to matter.
• Fluent in English.

Responsabilités

• Designing and implementing intuitive user interfaces to collect and review information.
• Building and maintaining robust APIs that automate decision-making processes.
• Writing, testing (unit to end-to-end), and delivering clean, maintainable code.
• Actively participating in releases, deployments, and monitoring of solutions in production.
• Contributing to migrations, modernization efforts, and architectural improvements as platforms evolve.

Description du poste

Shift delivers AI agents that transform insurers' most critical work. By combining deep industry expertise and unmatched data resources, Shift provides proven results that have earned the trust of hundreds of the world's leading insurers. Our insurance‑grade AI is accurate, explainable, and secure—empowering human experts to move with unmatched speed, total confidence, and a renewed focus on the people they serve.

Our culture is built on innovation, trust, and a drive to transform the insurance industry through our SaaS platform. We come from more than 50 different countries and cultures and together we are creating the future of insurance.

Learn more at www.shift-technology.com

WHAT YOU'LL DO

As a Fullstack Engineer, your technical knowledge and autonomy will let you build complete designs for our applications and features.

Your responsibilities include:

• Designing and implementing intuitive user interfaces to collect and review information.
• Building and maintaining robust APIs that automate decision‑making processes.
• Writing, testing (from unit to end‑to‑end), and delivering clean, maintainable code.
• Actively participating in releases, deployments, and monitoring of solutions in production.
• Contributing to technical migrations, modernization efforts, and architectural improvements as our platforms evolve.

Key challenges

Performance, scalability and quality are key challenges to solve in order to deliver and review code. You are part of a team and collaborate with your teammates (software engineers, data scientists, QA, UX, product managers) to constantly receive and give feedback and improve the agile development process.

We work with modern technologies and always encourage our team to explore what’s new in the market. Our main tools are:

• Frontend: React/Redux/TS/Vanilla Extract/LESS/Dev Container with Vite
• Backend: ASP.NET, C#, MSSQL, Elasticsearch
• IDE: your choice - Rider, VS Code, or Visual Studio + Resharper
• Cloud: Microsoft Azure
• Foundational toolchain: GitHub Enterprise, GHAS, GH Copilot + coding agent
• CI/CD: GitHub Actions / TeamCity, Cypress, GH Packages (npm, NuGet), Octopus
• Collaboration: Slack, Jira, Confluence

WHO YOU ARE

• Between 2 and 5 years of experience in software development
• Backend wise, you have solid C# skills – it’s a MUST!
• You have some Frontend experience as well – any JS framework works; we work with ReactJS!
• You are a true Fullstack: Frontend is part of your job, as much as Backend!
• Your projects are beautifully designed and cleanly written
• You are dynamic, curious and eager to learn, always looking to expand your fields of expertise
• You are proactive and take ownership of your work
• You want your work to have an impact: rather than a cog, you see yourself as the engine
• Fluency in English

RECRUITMENT PROCESS

• 30‑minute video interview with our Talent Acquisition Specialist
• 2x 1‑hour technical interviews, one with a Backend dev and one with a Frontend dev
• 1‑hour final interview with the Hiring Manager

Benefits

To support our permanent, full‑time employees at every stage of their careers and lives, we provide a competitive total rewards and benefits package. Here are the global benefits we’d like to highlight:

• Flexible remote and hybrid working options
• Competitive Salary and a variable component tied to personal and company performance
• Multiple Learning and Development opportunities, including Focus Fridays, a half‑day each month to focus on learning and personal growth
• Generous PTO and paid holidays
• Mental health benefits
• 2 MAD Days per year (Make A Difference Days for paid volunteering)

Additional benefits may be offered by country, based on your eligibility – ask your recruiter for more information. Intern and Apprentice positions may receive some of these benefits – ask your recruiter for more details.

Equal Employment Opportunity Statement

At Shift we strive to be a diverse and inclusive workforce. We welcome applications from and hire people who will contribute to the diversity of our company, without regard to race, color, religion, marital status, age, national or ethnic origin, physical or mental disability, medical condition, pregnancy, genetic information, gender identity or expression, sexual orientation, or other non‑merit criteria. Shift Technology is committed to providing reasonable accommodations for qualified individuals with disabilities in our application and employment process. Should you require accommodation, please email [e-mail] and we will work with you to meet your accessibility needs.

AI tools are used to help review applications for this role. Read our AI in Recruitment Notice for what the AI considers, how to request a human review, and our most recent bias audit. Please be aware of scammers and only trust correspondence that comes from emails ending in "shift-technology.com". We will never do initial outreach to you via Whatsapp/Text/SMS, never ask for banking information or personal identification numbers (ex. Social Security Number) as part of our recruitment process. Shift Technology does not accept unsolicited CVs from recruiters or employment agencies in response to the Shift Technology Careers page or a Shift Technology social media post. Any unsolicited CVs, including those submitted directly to hiring managers, are deemed to be the property of Shift Technology.