Senior Software Engineer

Zefir
Paris
Workplace: HybridFull timeEUR 70,500 - 85,500 annuallyFunction: Software EngineeringSkills: ["Communication","Problem-solving","Teamwork","Leadership"]

Senior Software Engineer responsible for designing and delivering high-performance APIs and front-end features within a fast-growing AI real estate platform. You’ll own features end-to-end, collaborate with cross-functional teams, implement robust tests, and apply LLM-based AI workflows using Pinecone and Langchain to drive product impact.

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Zefir
Zefir
1 year ago

Senior Software Engineer

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Canonical indexed version, validated from employer's careers page.

Source: Company careers pageValidated by: Fursa AI
Last checked: 12 hours agoStatus: Live

Job Summary

Senior Software Engineer responsible for designing and delivering high-performance APIs and front-end features within a fast-growing AI real estate platform. You’ll own features end-to-end, collaborate with cross-functional teams, implement robust tests, and apply LLM-based AI workflows using Pinecone and Langchain to drive product impact.
Location: Paris
Workplace: Hybrid
Employment Type: Full time
Job Function: Software Engineering
Seniority: Manager level

Key Responsibilities

  • •Develop and deploy robust, high-performance APIs using Node.js (TypeScript), Nest.js, and GraphQL.
  • •Build intuitive frontend applications with React.js and Next.js, delivering outstanding user experiences.
  • •Collaborate closely with Product Managers and cross-functional teams (Operations, Growth, Brand) to prioritize features and deliver key objectives.
  • •Own the full lifecycle of features from ideation and design through implementation, deployment, and performance monitoring.
  • •Write clean, maintainable, thoroughly-tested code to ensure fast deployments and continuous improvement.

Pay and Benefits

Salary: EUR 70,500 - 85,500 annually
Equity and Bonus:Equity
Perks:EquityHealth InsuranceOfficeMeal CardMobility Card

Key Requirements

  • •Entrepreneurial mindset with a demonstrated ability to turn ambitious ideas into practical solutions.
  • •Excellent problem-solving skills with the ability to quickly evaluate and recommend effective technological solutions.
  • •Highly collaborative, open-minded, and comfortable working closely with diverse teams.
  • •Ambitious, performance-oriented, and maintains a positive attitude.
  • •Fluent in English for clear and effective communication.
Experience:Real estateAISaaS
Skills:CommunicationProblem-solvingTeamworkLeadership
Languages:English
Tech Stack:Node.jsTypeScriptNest.jsGraphQLReact.jsNext.jsLangchainPineconeLLMTesting

Company Brief

Zefir
Provides online payment and installment financing solutions that enable merchants to offer Buy Now, Pay Later and flexible payment options to customers, integrating via APIs and plugins to simplify checkout and improve conversion.
Industry: Payments
Headquarters: France
Website