Top Software Engineer Jobs in Lille

Reposted 4 Days AgoSaved
In-Office or Remote
30 Locations
135K-300K Annually
Senior level
135K-300K Annually
Senior level
Artificial Intelligence • Information Technology • Internet of Things
The role involves designing and evolving core systems at LiveKit, implementing resilient architectures, and building tools to enhance system reliability and developer speed. Strong distributed systems experience and programming skills are essential.
Top Skills: ClickhouseGoGrpcKubernetesNatsOpentelemetryPrometheusPsrpcRaft
Reposted 4 Days AgoSaved
In-Office or Remote
30 Locations
135K-300K Annually
Senior level
135K-300K Annually
Senior level
Artificial Intelligence • Information Technology • Internet of Things
Design, implement, and operate low-latency, highly available distributed control, data, and observability systems. Build region-spanning architectures, libraries, protocols, and tooling; diagnose and harden critical paths using metrics, tracing, testing, and real traffic; and shape platform capabilities around identity, scheduling, observability, and distributed state management.
Top Skills: ClickhouseEtcdGoGrpcKubernetesNatsOpentelemetryPaxosPrometheusPsrpcRaft
Reposted 4 Days AgoSaved
Remote
4 Locations
Senior level
Senior level
Information Technology • Software • Cybersecurity
The Staff Tech Lead Software Engineer will drive technical vision, mentor teams, oversee code quality, and facilitate collaboration between engineering and product teams.
Top Skills: ElasticsearchGraphQLNode.jsReact
Reposted 4 Days AgoSaved
Remote
27 Locations
Senior level
Senior level
Cloud • Software
As a Senior Software Engineer, you will develop and manage a MongoDB solution on various platforms, ensuring reliability and security while contributing to a small team focused on impactful projects.
Top Skills: MongoDBPython
6 Days AgoSaved
Remote
26 Locations
Senior level
Senior level
Digital Media
Build and improve Restream’s web interfaces and user-facing features for the AI Clips team. Design UI and business logic, collaborate with product designers, participate in code reviews, improve system reliability, and evaluate emerging technologies. The role requires strong JavaScript and TypeScript expertise, advanced React knowledge, CSS preprocessor experience, and familiarity with backend development, cloud infrastructure, containers, and continuous deployment.
Top Skills: AWSContinuous DeploymentCSSDockerEcmascriptJavaScriptKubernetesLessLinuxMobxNode.jsNosql DatabasesReactRelational DatabasesRest ApisSassTypescript
Reposted 6 Days AgoSaved
Remote
France
Senior level
Senior level
Information Technology • Software • Cybersecurity
Lead full‑stack development of OpenGRC: build correlation, verification, and quantification engines. Own end‑to‑end stack (React/TypeScript frontend, Node.js backend, PostgreSQL), define architecture, mentor the squad, and shape product direction for a data‑driven GRC platform integrated with CTI and OpenAEV.
Top Skills: Mitre Att&CkNode.jsOpenaevOpenctiPostgresReactStixTaxiiTypescriptXtmone
Reposted 6 Days AgoSaved
Remote
29 Locations
Senior level
Senior level
Information Technology • Software
Lead design and ownership of shared libraries, Spring Boot starters, and agentic frameworks. Set standards for agent orchestration, evaluations, and guardrails. Mentor teams on Python-based agents (LangChain/LangGraph), drive adoption, prototype research directions, and improve developer experience across Kotlin backend and client libraries.
Top Skills: JvmKotlinLangchainLanggraphLlmsPythonSpring Boot
Reposted 7 Days AgoSaved
Remote
27 Locations
Senior level
Senior level
Healthtech • Biotech
Senior software engineer responsible for designing, developing, and maintaining business-critical applications. Collaborate with product, QA, DevOps, and stakeholders to translate requirements, implement scalable Java/Python solutions on AWS, address technical debt, improve performance, participate in code reviews, support releases, and ensure application stability and continuous improvement.
Top Skills: AWSGitJavaPython
Reposted 17 Days AgoSaved
In-Office
6 Locations
Senior level
Senior level
Cloud • Software
Own and evolve Scaleway's managed-database platform: design and ship features, automate deployments and upgrades, optimize performance, diagnose incidents, and participate in second-level on-call rotations, working with DBAs, SREs, and product teams.
Top Skills: AnsibleBashCi/CdDockerGitGoLinuxMySQLPostgresPrometheusPythonTerraform
Reposted 8 Days AgoSaved
In-Office or Remote
43 Locations
50K-75K Annually
Senior level
50K-75K Annually
Senior level
Angel or VC Firm • Artificial Intelligence • Software
Build core components of a diagnostic and personalization platform: backend data pipelines, frontends, services for genomic data ingestion, ML model integration, APIs, and cloud infrastructure. Collaborate with product and ML teams, iterate on prototypes and MVPs, and make architectural decisions supporting scalability and reliability.
Top Skills: AIAPIsAWSCloud InfrastructureData PipelinesFastaGCPMachine LearningVcf
Reposted 8 Days AgoSaved
In-Office or Remote
45 Locations
50K-75K Annually
Senior level
50K-75K Annually
Senior level
Angel or VC Firm • Artificial Intelligence • Software
Design and build the on-prem software stack for ModelVault appliances: containerized inference engines, model integration (LLMs/vision), deployment tooling, CLIs/GUI/APIs, OS and GPU setup, remote updates, telemetry, and collaborate with customers and founding team to iterate and scale the engineering org.
Top Skills: AnsibleAPIsAuto-Update AgentsClisContainerizationContainerized Inference EnginesCudaFine-TuningGpu ComputingGuisInference RuntimesLangchainLlamaMistralNvidia DriversOllamaRemote Update PipelinesSdxlSshTelemetryTriton Inference ServerUbuntuVllm
Reposted 8 Days AgoSaved
Remote
4 Locations
Senior level
Senior level
Artificial Intelligence • Machine Learning • Software • Database
Design, implement, and operate a cloud-native platform: build and maintain Kubernetes clusters and custom operators, write production Go code for platform services and automation, optimize multi-cloud infrastructure for cost and reliability, improve observability and CI/CD/IaC automation, support incident response and system hardening, and collaborate with engineering teams to improve developer experience and reliability at scale.
Top Skills: AWSAzureCi/CdGCPGoGrafanaInfrastructure-As-CodeIstioKubernetesKubernetes OperatorsLinkerdOpentelemetryPrometheusPython
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Reposted 9 Days AgoSaved
Remote
5 Locations
293K-650K Annually
Senior level
293K-650K Annually
Senior level
Artificial Intelligence • Computer Vision • Hardware • Robotics • Metaverse
Seeking a Senior Software Engineer to build AI inference systems. Responsibilities include optimizing GPU kernels, architecting inference stacks, and defining benchmarking methodologies. Requires strong programming skills and experience in ML systems.
Top Skills: AWSAzureC/C++CudaDockerGCPGoKubernetesPythonRustSlurm
9 Days AgoSaved
Remote
France
53K-71K Annually
Senior level
53K-71K Annually
Senior level
Internet of Things
Design, implement, and maintain Firefox security architecture and cryptography stack (WebPKI, cryptographic protocols). Build web platform security features, debug multi-threaded cross-platform native code, improve performance and memory usage, collaborate across teams, and contribute to technical design and standards-based implementations.
Top Skills: CC++Cryptographic ProtocolsMulti-Threaded Native ApplicationsRustWeb Platform SecurityWebpki
Reposted 10 Days AgoSaved
Remote
27 Locations
Senior level
Senior level
Healthtech • Biotech
Build and ship browser-based 3D interactive features using React, Three.js, and WebGL; integrate frontend with a C++ computational backend on AWS; use AI tools (Claude Code) to accelerate development; prototype AI-powered product features; and collaborate with clinical scientists, UX, ML engineers, and QA.
Top Skills: AWSC++Claude CodeCopilotCursorReactThree.JsWebgl
Reposted 10 Days AgoSaved
Remote
41 Locations
Senior level
Senior level
Fintech • Mobile • Payments • Software
Build foundational agent infrastructure for an AI assistant: orchestration, tool execution, context management, evaluation, and trust/permissions. Ship reliable, observable, and secure backend systems, launch agentic features, own core infrastructure, participate in on-call, and mentor others.
Top Skills: Anthropic ApiAPIsLangchainLangfuseLlmsObservability ToolsOpenai ApiSlack
Reposted 10 Days AgoSaved
Remote
41 Locations
Senior level
Senior level
Fintech • Mobile • Payments • Software
Design, build, ship, and maintain end-to-end product features across frontend, backend, and data layers. Own projects from definition through production, improve reliability and scalability, collaborate with product and design, mentor engineers, and engage with customers to solve real user problems.
Top Skills: AWSCSSDjangoFlaskHTMLJavaScriptPostgresPythonReactSQLTypescript
Reposted 10 Days AgoSaved
In-Office or Remote
29 Locations
Mid level
Mid level
Artificial Intelligence • Computer Vision • Internet of Things • Machine Learning
Lead optimization of concurrent systems, scale backend microservices, and collaborate with developers and engineers on deployment for retail solutions.
Top Skills: C#DockerGoGrpcJestKubernetesMongoDBNode.jsPostgresPythonReactReact NativeRestful ApiSQLTypescript
Reposted 11 Days AgoSaved
Remote
France
Senior level
Senior level
Information Technology • Software • Cybersecurity
Design and build the XTM One core platform as a Senior Full Stack Engineer using TypeScript and Python. Define architecture for AI integrations, implement visualization flows, logging, and agent configuration, prototype rapidly, engage with the open-source community, and help create development processes and team culture.
Top Skills: AgenticGitLlmMcp ServersMitre Att&CkOpenaevOpenctiOpengrcPythonRagSlackStixTaxiiTypescript
Reposted 11 Days AgoSaved
Remote
26 Locations
Senior level
Senior level
Software • Energy
Improve reliability, observability, and scalability of Enode's connectivity layer. Build and maintain API integrations with OEMs and energy partners, reduce incidents, enhance monitoring and alerting, drive complex projects to release, uphold code quality and testing, collaborate with product, and mentor teammates while applying AI tooling strategically.
Top Skills: AWSAws CdkCloudFormationDockerNode.jsPostgresReactTypescript
Reposted 12 Days AgoSaved
Remote
27 Locations
143K-209K Annually
Junior
143K-209K Annually
Junior
Big Data • Cloud • Digital Media • Machine Learning • Mobile • Software • Industrial
Design, implement, test, deploy, and maintain cloud-native full‑stack applications. Collaborate cross-functionally, follow software engineering best practices, use event-driven patterns, leverage AWS, participate in code reviews, troubleshoot issues, and improve CI/CD workflows.
Top Skills: Ai-Assisted Development ToolsAWSC++CSSEvent-Driven ArchitectureFigmaGitGoGrommetHTMLI18NextJavaScriptJenkinsMixpanelNon-Relational DatabasesPendoProgressive Web ApplicationsReactRelational DatabasesStorybook
12 Days AgoSaved
Remote
27 Locations
Senior level
Senior level
Healthtech • Biotech
Lead design and development of scalable, user-friendly iOS applications for clinical and customer use. Define technical architecture, implement and optimize features, build modular frameworks, ensure high quality via automated tests, apply Apple design and accessibility standards, and collaborate with cross-functional teams in agile processes.
Top Skills: Accessibility StandardsApple Design GuidelinesIos FrameworksJIRAMvcMvvmStructured ConcurrencySwiftSwift 6Swiftui 2Version Control SystemsXctestXcuitest
Reposted 24 Days AgoSaved
In-Office or Remote
31 Locations
Senior level
Senior level
Artificial Intelligence • Enterprise Web • Software
As a Senior Software Engineer, you will build scalable distributed systems, improve developer experience, mentor peers, and lead incident responses.
Top Skills: GoNode.jsTypescript
Reposted 13 Days AgoSaved
Remote
27 Locations
184K-270K Annually
Senior level
184K-270K Annually
Senior level
Big Data • Cloud • Digital Media • Machine Learning • Mobile • Software • Industrial
Design, implement, test, and maintain cloud-first web applications. Build secure, maintainable code using event-driven architecture and cloud services (AWS/Azure). Collaborate with cross-functional teams, mentor junior engineers, and support CI/CD and PWA development.
Top Skills: AWSAzureC++Ci/CdCSSEvent-Driven ArchitectureHTMLJavaScriptJenkinsMongoDBMssqlOssProgressive Web ApplicationsRdsReactS3SQL
13 Days AgoSaved
Remote
27 Locations
Senior level
Senior level
Cloud • Security • Cybersecurity
Design, build, and harden Chromium-based browser components in C++ to power Menlo's AI/agent initiatives; apply networking and HTTP security expertise; integrate AI agents and MCP servers; build tooling in Python or Rust; deploy and operate cloud infrastructure (AWS/GCP, Kubernetes, Terraform); debug and optimize performance-critical systems; collaborate cross-functionally.
Top Skills: AWSAws Ec2C++ChromiumGCPHaproxyHTTPKubernetesLinuxMcp (Model Context Protocol)PythonRustSkiaTerraformTornado
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