Développeur Full Stack (C# / Javascript /English)
Mission.dev · Paris, Île-de-France, France
- Hybrid
- Full-time
- $85,000 / year
- Paris, Île-de-France, France
Job highlights
- Fullstack Engineer role with C# and Javascript.
- Build scalable systems for AI insurance platform.
- Design UIs and robust APIs.
- Manage full software development lifecycle.
- Collaborate with cross-functional teams.
About the role
Fullstack Engineer C# Javascript
About Mission.dev:
Mission.dev is the next-gen staffing platform for software talent. We help you find, evaluate, and manage top software talent (contractors or direct hires) faster, smarter, and more efficiently. Powered by AI. Backed by real humans.
About the Client:
This global technology firm provides an AI-native platform designed for the insurance industry. The platform automates and optimizes decision-making across the policy lifecycle, focusing on risk assessment, fraud management, and compliance. By leveraging specialized data science expertise, the company delivers explainable AI solutions that help major insurers and associations worldwide improve operational efficiency and payment integrity.
About the Role
As a Fullstack Engineer, you will take ownership of the end-to-end design and implementation of core application features. You will be responsible for building scalable systems that automate complex decision-making processes within a high-performance environment. Working alongside data scientists, product managers, and designers, you will influence the technical evolution of the platform. This role offers the opportunity to drive architectural improvements and modernization efforts while ensuring the delivery of high-quality, maintainable code that directly impacts global industry operations.
What You'll Do
- Design and implement intuitive user interfaces to facilitate data collection and review.
- Build and maintain robust APIs that automate complex decision-making workflows.
- Write, test, and deliver clean, maintainable code using automated testing frameworks from unit to end-to-end.
- Manage the full software development lifecycle, including releases, deployments, and production monitoring.
- Execute technical migrations and architectural improvements to modernize evolving platforms.
- Collaborate with cross-functional teams to refine agile development processes through continuous feedback.
- Optimize system performance and scalability to handle high-volume data and user interactions.
What You Bring
- 2 to 5 years of professional experience in software development.
- Strong proficiency in backend development with C#.
- Hands-on experience with frontend JavaScript frameworks.
- Proven ability to deliver clean, well-architected code.
- Professional fluency in English.
- Based in a EU company.
Nice to Have
- Experience with React, Redux, and TypeScript.
- Knowledge of ASP.NET and Microsoft Azure cloud environments.
- Familiarity with MSSQL and Elasticsearch.
- Experience using CI/CD tools such as GitHub Actions, TeamCity, or Octopus.
- Exposure to Cypress for end-to-end testing.
Key skills/competency
- Fullstack Engineer
- C#
- Javascript
- API Development
- Frontend Development
- Backend Development
- Software Development Lifecycle
- System Performance Optimization
- Agile Methodologies
- Technical Architecture
Skills & topics
- Fullstack Engineer
- C#
- Javascript
- Software Development
- API
- Frontend
- Backend
- Remote
- EU
- Contractor
How to get hired
- Tailor your resume: Highlight C# backend and Javascript frontend skills. Quantify achievements in software development and API creation.
- Craft a compelling cover letter: Express your enthusiasm for AI in the insurance industry and Mission.dev's mission.
- Prepare for technical interviews: Review C#, Javascript, API design, and system architecture concepts. Be ready to discuss your experience with automated testing.
- Showcase your EU base: Ensure your application clearly indicates your EU residency and professional English fluency.
Technical preparation
Behavioral questions
Frequently asked questions
- What are the key technologies for the Fullstack Engineer role at Mission.dev?
- The key technologies for this Fullstack Engineer position at Mission.dev are C# for backend development and Javascript frameworks for the frontend. Experience with React, Redux, and TypeScript is also beneficial.
- Is this a remote position for a Fullstack Engineer?
- Yes, this is a remote, full-time contractor role for a Fullstack Engineer at Mission.dev, with a preference for candidates based in Paris, France, or another EU country.
- What is the expected experience level for the Fullstack Engineer role?
- The Fullstack Engineer role requires 2 to 5 years of professional experience in software development, with strong proficiency in C# and frontend JavaScript frameworks.
- What are the responsibilities of the Fullstack Engineer at Mission.dev?
- The Fullstack Engineer will be responsible for designing and implementing core application features, building scalable systems, developing APIs, writing clean code, managing the software development lifecycle, and optimizing system performance.
- What are the 'nice to have' skills for this Fullstack Engineer job?
- Nice-to-have skills for this Fullstack Engineer position include experience with React, Redux, TypeScript, ASP.NET, Microsoft Azure, MSSQL, Elasticsearch, CI/CD tools (GitHub Actions, TeamCity, Octopus), and Cypress.
- Does Mission.dev hire contractors or only direct hires?
- Mission.dev helps clients find and manage both contractors and direct hires for software talent.
- What industry does the client company operate in?
- The client company operates in the insurance industry, providing an AI-native platform to automate and optimize decision-making across the policy lifecycle.