816 backend developer English-speaking jobs in Île-de-France

Build high-performance backend systems in the JVM ecosystem Design and implement backend services using ... What We’re Looking For 5–10+ years of software engineering experience Strong experience building backend ... Java within the JVM ecosystem Optimize performance, memory usage, and computation efficiency Ensure backend ... datasets or heavy calculation systems Experience optimizing performance, memory usage, or large-scale backend

problems.Must-have SkillsAdaptability in a fast‑changing contextMoves comfortably between frontend, backend ... Identify quick wins on performance or developer experience.By Month 4–6Lead the delivery of a major initiative

in either frontend or backend development Deep knowledge of high‑level programming language like Python ... features as to any other part of the product Qualifications 5+ years of experience as a software developer

Act as a technical mentor for backend and frontend engineers, providing guidance on architecture, design

Rezolve India team onboarding started 2026-01-05)Current code base surface area (from GitHub READMEs):Backend

Homa is a global mobile game developer and publisher creating games people love. ... technical knowledge multiplier: identify automation opportunities, expand the team’s understanding of backend ... Experience shipping and maintaining live, revenue-generating mobile games, especially puzzle games at scale Backend

Kubernetes to deliver scalable, secure instance management for companies Improve platform reliability and developer ... stack may differ from an internship to another but the global stack of Dataiku is Python/Java for the backend ... with respect, kindness, and honesty Fluent in English  An interest in navigating both frontend and backend

and client-side development.Your day-to-day will include:Develop and maintain backend services (Rust ... with production systems, learning cross-platform infrastructure, and building foundational skills in backend ... production experience.Your Skills & Experience Required:Solid foundations in low-level programming or backend ... haves:Proficiency or strong experience with Rust.Experience with Kotlin or Swift.Ability to work across backend

Purpose of the role As a Backend Engineer in Marketing Technology you will be responsible for building ... If you’re a self starter and results-driven backend engineer, and you thrive in a fast-paced environment

Design developer-facing tools and APIs to simplify workflows across the development lifecycle, from coding ... Build and operate highly available, secure, and scalable services supporting Criteo’s private cloud developer

above and beyond–in large and small ways–to move the insurance industry forward.NewSenior Fullstack Developer ... any JS framework (ideally React)You are a true fullstack: frontend is part of your job, as much as backend ... with our Talent Acquisition Specialist1-hour online test2x 1-hour technical interviews, one with a Backend

A B2B SaaS or developer-tool environment is a plus.Experience coordinating with or briefing an external ... Prior hands-on experience with LinkedIn Sales Navigator, HubSpot and developer intent tools is a welcome ... marketing or SEO agency is a strong asset.Prior exposure to a product-led growth (PLG) or developer-facing ... point of contact with the external agency managing SEO and paid acquisition (LinkedIn Ads, Google Ads, developer ... community-driven acquisition initiatives tied to the scikit-learn ecosystem ; including event presence, developer

Strengthen collaboration between mobile, backend, and frontend teams. ... study with our Mobile Engineering Manager and a Product Manager Clarification Meeting with a Mobile Developer

Work hands-on across backend and frontend systems, stepping in wherever the problem lives. ... able to explain and defend design decisions to senior engineers and non-engineers alike Expert PHP developer

We are seeking a Senior / Lead Backend Engineer (Staff-level mindset) with strong expertise in Go and ... technical, hands-on role focused on distributed systems, cloud infrastructure, and production-grade backend ... implement APIs and control plane services for vCPU resource management Build scalable, distributed backend ... distributed systems, platform engineering, and cloud-native architecture What You Bring 4+ years of backend ... Kubernetes experience and deep understanding of container orchestration Proficiency in Golang for production backend

Experience with microservices or modular backend architectures. ... Strong experience with Node.js backend development and API design. ... Define and enforce frontend and backend architecture, patterns, and best practices. ... Design and maintain backend services and APIs (REST/GraphQL) with a focus on performance, reliability

Backend Collaboration & API Contracts Work closely with backend teams to design API-level data contracts ... Backend engineers designing APIs and distributed services. ... Validate and standardize data structures produced by probes, sensors, and backend services.

Whether you've built APIs, pipelines, or backend tooling, this role is a chance to grow your impact ... We’re looking for experienced backend engineers who want to take ownership of critical services and deepen ... What You’ll Do Design and build reliable backend services that handle high-throughput, globally distributed ... and mentorship of peers and junior engineers Who You Are You have 5+ years of experience building backend ... using languages like Go, Python, Java, C++, or Rust You’ve contributed to the design and development of backend

Overview As a Principal Software Developer with expertise in software development and applied mathematics

Overview As a Principal Software Developer with expertise in software development and applied mathematics