Lead Software Engineer – CDI

Wiremind

. Take the technical lead of the Business Rules squad for CAYZN, Wiremind’s revenue management solution .

Posted 9/28/2026full-timeParis • FranceSeniorWebsite

Core Competencies

Role fit

Core Competencies

Use this summary to align your resume positioning with the role.

Demonstrates expertise in backend development with Python, strong fullstack capabilities, and a solid understanding of revenue management solutions. Proven ability to lead technical decisions, mentor teams, and collaborate effectively with cross-functional stakeholders.

Highest-signal resume keywords

Python 3.15Fullstack DevelopmentNext.jsMentoring Software EngineersSaaS Experience

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

Software EngineeringBackend DevelopmentFrontend DevelopmentCode ReviewPerformance ImprovementScalabilityTechnical ArchitectureBusiness Rules EngineSQLAlchemyPostgreSQL

Soft Skills

Good Communication SkillsCollaboration

Tools & Technologies

GitLabKubernetesPrometheusGrafanaElasticsearchRedisD3.jsAngularTypeScriptRemoulade

Industry Keywords

Revenue ManagementB2B2C ProductsEvent-TechOperational QualityMonitoring

Tech Stack

Tools & technologies

AngularD3.jsElasticSearchGrafanaJavaScriptKubernetesNext.jsPostgresPrometheusPythonRedisTypeScript

About the role

Key responsibilities & impact

Take the technical lead of the Business Rules squad for CAYZN, Wiremind’s revenue management solution
Own the architecture of the business rules engine, including rule language, parsing, evaluation, and performance at scale
Design and develop efficient, maintainable code, mainly on the backend and on the frontend when needed
Own technical decisions involving refactoring, scalability, and trade-offs between new features and technical debt
Improve operational quality through monitoring, alerting, performance improvements, and incident follow-up
Understand revenue managers’ workflows to make effective implementation choices
Work with the Product Owner to plan and deliver work efficiently
Participate in roadmap decisions balancing refactoring, scaling, and new features
Review code and mentor developers in the squad
Share knowledge and introduce valuable practices, frameworks, or tools
Remain hands-on, spending around 70% of time developing challenging parts of the codebase
Collaborate with Product Experts, Data Scientists, and the Platform team to ship reliable, scalable features for international clients

Requirements

What you’ll need

5+ years of experience as a Software Engineer working with Python or a similar backend language on a large codebase with many contributors
Have already mentored or managed a small team of software engineers
Strong fullstack background with a backend-first mindset (Python)
Fully comfortable owning frontend work (Next.js or equivalent)
Good communication skills and ability to collaborate with Product and align technical decisions with business priorities
Native or fluent level in French
Bonus: Experience in SaaS, event-tech, or working on complex interfaces and operations-heavy B2B2C products
Technical stack experience: Python 3.15, SQLAlchemy, Remoulade, Angular, TypeScript, D3.js, PostgreSQL, Elasticsearch, Redis, GitLab, Kubernetes, Prometheus/Grafana, Kibana

Benefits

Comp & perks

Attractive remuneration indexed on performance
A caring and stimulating team that encourages skills development through initiative and autonomy
A learning environment with opportunities for evolution
A hybrid policy: 2 days of remote work per week and the possibility to work occasionally from abroad
Access to WellPass at a preferential rate
Monthly afterworks
Regular meetings on technology and products
Annual off-site seminars
Team-building activities