On-site Ruby, C#, Java, Rust, PHP and JavaScript jobs in Europe
Last sniff: 26 Aug 2026 14:47 · next sniff in ~22 min · each company re-checked every ~6h · Skill radar · RSS
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On the scent
107 matching jobs
| Role | Company | Where | Level | Salary | Technologies | Sniffed | |
|---|---|---|---|---|---|---|---|
| Senior Software Engineer - Customer Success New | Feedzai | Portugal | Senior | — | JavaJVMKafkaSQLAWS+3 | 50m ago | |
| Staff Software Engineer (Java) New | Sonar | Geneva | Staff | — | JavaPostgreSQLSQLAWS | 51m ago | |
| Senior Software Engineer (Java) - Remediation Agent New | Sonar | Geneva | Senior | — | JavaPythonAWSEvent-driven | 51m ago | |
| Marketing AI Engineer New | Sonar | London | — | — | PythonJavaScript | 51m ago | |
| Marketing AI Engineer New | Sonar | Geneva | — | — | PythonJavaScript | 51m ago | |
| Graduate Software Engineer New | Sonar | Geneva | Junior | — | JavaPythonTypeScriptAWSAzure+2 | 51m ago | |
| Full Stack Engineer - Remediation Agent New | Sonar | Geneva | — | — | JavaPythonTypeScriptAWSGCP | 51m ago | |
| AI Researcher - Post-Training (f/m/d) New | Sonar | Bochum | — | €90k–167k | JavaPythonRustC#C++ | 51m ago | |
| AI Researcher - Post-Training New | Sonar | London | — | — | JavaPythonRustC#C++ | 51m ago | |
| AI Researcher - Post-Training New | Sonar | Geneva | — | — | JavaPythonRustC#C++ | 51m ago | |
| AI Research Scientist/Engineer (f/m/d) New | Sonar | Bochum | — | €90k–160k | JavaPythonAWS | 51m ago | |
| AI Research Scientist/Engineer New | Sonar | Geneva | — | — | JavaPythonAWS | 51m ago | |
| Agentic Software Engineer (f/m/d) New | Sonar | Bochum | — | €80k–110k | JavaJVMSpringHexagonal | 51m ago | |
| Software Engineer, Windows (VPN) New | Proton | Barcelona; Vilnius | — | — | RustC#.NET | 52m ago | |
| Software Engineer (Linux) New | Proton | London UK, Geneva CH | — | — | Rust | 52m ago | |
| Software Engineer - Back-End (Storage) New | Proton | Geneva; Paris | — | — | RustPHPC++ | 52m ago | |
| Senior Software Engineer (Inbox Desktop) New | Proton | London; Geneva | Senior | — | TypeScriptGoRustC++ | 52m ago | |
| Senior Rust Engineer - Proton Drive New | Proton | London; Geneva; | Senior | — | KotlinTypeScriptRustC# | 52m ago | |
| Senior R&D Engineer New | Proton | Barcelona; Geneva; Vilnius; | Senior | — | PythonRustC++Distributed systems | 52m ago | |
| Senior iOS Software Engineer - Vilnius New | Proton | Vilnius | Senior | €55k–110k | Rust | 52m ago | |
| Senior iOS Software Engineer - Paris New | Proton | Paris | Senior | €60k–115k | Rust | 52m ago | |
| Senior iOS Software Engineer - London New | Proton | London | Senior | — | Rust | 52m ago | |
| Senior iOS Software Engineer - Geneva New | Proton | Geneva | Senior | — | Rust | 52m ago | |
| Senior iOS Software Engineer - Barcelona New | Proton | Barcelona | Senior | €60k–110k | Rust | 52m ago | |
| Senior Frontend Engineer (Pass) New | Proton | Paris; Barcelona | Senior | — | TypeScriptJavaScriptRustEvent-driven | 52m ago | |
| Senior Foundation Engineer (Drive) New | Proton | Geneva; London; | Senior | — | KotlinTypeScriptRustC# | 52m ago | |
| Senior DevOps Engineer - Platform New | Proton | Paris;Geneva | Senior | €51k–76k | PythonGoRustKubernetesTerraform | 52m ago | |
| Senior DevOps Engineer New | Proton | Paris;Geneva | Senior | €51k–76k | PythonGoRustKubernetesTerraform | 52m ago | |
| Senior Backend Engineer - Platform (Inbox) New | Proton | Paris;Geneva | Senior | — | PythonRustPHPMySQLSQL+2 | 52m ago | |
| Senior Backend Engineer (Payments) New | Proton | Barcelona; London | Senior | — | KotlinRustPHPMySQLSQL+3 | 52m ago | |
| Senior Backend Engineer (Foundation) New | Proton | London; Paris | Senior | — | RustPHPMicroservicesDDD | 52m ago | |
| Senior Android Software Engineer - Vilnius New | Proton | Vilnius | Senior | €55k–110k | KotlinRust | 52m ago | |
| Senior Android Software Engineer - Paris New | Proton | Paris | Senior | €60k–115k | KotlinRust | 52m ago | |
| Senior Android Software Engineer - London New | Proton | London | Senior | — | KotlinRust | 52m ago | |
| Senior Android Software Engineer - Geneva New | Proton | Geneva | Senior | — | KotlinRust | 52m ago | |
| Senior Android Software Engineer - Barcelona New | Proton | Barcelona | Senior | €60k–110k | KotlinRust | 52m ago | |
| Network Reliability Engineer New | Proton | Geneva;Paris | — | — | PythonRustKubernetesTerraform | 52m ago | |
| Fullstack Software Engineer (Email Security & Anti-Abuse) New | Proton | Geneva; Taipei; Skopje | — | — | PythonTypeScriptJavaScriptPHPKafka+3 | 52m ago | |
| Frontend Engineer (Real-Time Streaming Platform) New | Proton | Taipei; Geneva | — | — | TypeScriptRustPHPKubernetes | 52m ago | |
| Frontend Engineer (B2B Products) New | Proton | Taipei; Geneva; Skopje | — | — | TypeScriptPHPKubernetes | 52m ago | |
| Backend Engineer - Marketing Technology New | Proton | London; Paris; Prague | — | — | PythonPHPSQLREST | 52m ago | |
| Developer – Front or Bank End – Equities – Investment Banking New | Atrium Workforce Solutions Ltd | London, UK | — | — | JavaSpring | 9h ago | |
| Software Engineer New | one2one Recruitment | Rushden, Northamptonshire | — | £35k–40k | PythonJavaScriptC#SQL | 9h ago | |
| Solution Architect - Hands on - Java / Kafka - Outside IR35 New | Sanderson | London, UK | Architect | — | JavaKafka | 9h ago | |
| Java Developer New | Randstad Technologies | London, UK | Senior | £65k–70k | Java | 9h ago | |
| Senior Java Backend Engineer — iGaming Payments (Madrid) New | Pentasia | Madrid, Comunidad de Madrid | Senior | €70k–110k | JavaEvent-driven | 9h ago | |
| Senior Software Architect — Cloud-Native Microservices Lead New | SentinelOne | Bellprat, Barcelona | Architect | €134k–164k | JavaPythonKubernetesMicroservices | 9h ago | |
| Fullstack Java developer New | ThinkUPC | Barcelona | — | — | Java | 9h ago | |
| Mid Level Backend Engineer (Java/Kotlin) New | Parser Limited | Madrid | Mid | — | JavaKotlin | 9h ago | |
| Lead Software Developer C# - Finance New | Client Server | Shieldfield, Newcastle Upon Tyne | — | £100k–100k | C#.NET | 9h ago | |
| Systems Engineer, R2 Gateway New | Cloudflare | In-Office | — | — | TypeScriptRustKubernetesDistributed systems | 11h ago | |
| Senior Backend Engineer - IAM & APIs, Barcelona Hub, Equity | Q-tech | Barcelona, Cataluña | Senior | €70k–100k | TypeScriptRubyPostgreSQLAWSKubernetes+1 | 1d ago | |
| Senior Software Engineer | Q-tech | Barcelona, Cataluña | Senior | €70k–100k | Ruby | 1d ago | |
| Backend Developer - AI Trainer (Spain) | Anyone AI | Madrid | — | €94k–166k | JavaPythonTypeScriptJavaScriptC# | 1d ago | |
| Fullstack Developer (Java / Vue.js) (all genders) | GK Software | Barcelona, Cataluña | — | €60k–90k | Java | 1d ago | |
| Desarrollador Java | Amaris Consulting | Madrid, Comunidad de Madrid | — | €55k–85k | Java | 1d ago | |
| Senior Backend Engineer (Java) | Wizeline | Barcelona | Senior | — | Java | 1d ago | |
| Semi Senior Java/C++ Developer | Talan | Málaga | Senior | — | JavaC++ | 1d ago | |
| Java / C++ Developer – Riesgos de Mercado | Rawson BPO | Madrid | — | — | JavaC++ | 1d ago | |
| Java Spring Boot Camunda 8 Developer | Rawson BPO | Madrid | — | — | JavaSpring BootSpring | 1d ago | |
| Software Engineer (Java) | Lynx | Madrid | — | — | Java | 1d ago | |
| Marketing Engineer | Creativefabrica | Amsterdam, North Holland, Netherla… | — | — | TypeScriptJavaScript | 1d ago | |
| Staff Forward Deployed Engineer – AI-Native Software Development | Jetbrains | Amsterdam, Netherlands; Berlin, Ge… | Staff | — | JavaPython | 1d ago | |
| Senior Solutions Engineer | Onetrust | Amsterdam, Netherlands | Senior | — | JavaScriptC#.NETREST | 1d ago | |
| Senior Solutions Engineer | Onetrust | London, United Kingdom | Senior | — | JavaScriptC#.NETDockerKubernetes+1 | 1d ago | |
| Senior Solution Engineer | Onetrust | Munich, Germany | Senior | — | JavaScriptC#.NETREST | 1d ago | |
| Staff/Principal DevOps Engineer, AI Inference | Lilasciences | Cambridge, MA USA | Principal | — | PythonRustAWSKubernetesTerraform | 1d ago | |
| Software Engineer I, Instrument Software | Lilasciences | Cambridge, MA USA | — | — | PythonC#.NET | 1d ago | |
| Principal Software Engineer, Instrument Simulations | Lilasciences | Cambridge, MA USA | Principal | — | JavaPythonC++ | 1d ago | |
| Forward Deployed Engineer - Software | Chaosindustries | London, England, United Kingdom | — | — | PythonTypeScriptJavaScript | 1d ago | |
| Senior Software Engineer: Data Infrastructure | Flexport | Amsterdam, Netherlands | Senior | — | JavaPythonRubyKafkaAWS+2 | 1d ago | |
| Product Security Engineer II | Flexport | Amsterdam, Netherlands | — | — | JavaKotlinPythonTypeScriptJavaScript+4 | 1d ago | |
| Senior .NET Azure AI Developer - Baltimore, MD | Accenturefederalservices | Baltimore, MD | Senior | — | PythonNode.jsC#.NETPostgreSQL+6 | 1d ago | |
| SCON Java Developer | Accenturefederalservices | Columbia, MD | — | — | JavaJavaScriptSpringREST | 1d ago | |
| Cyber R&D Engineer | Accenturefederalservices | Fort Meade, MD | — | — | JavaPythonJavaScriptRustC++ | 1d ago | |
| Noida, India (Delhi NCR) | Stpkr Technologies | ONSITE | Multiple roles Stpkr Tech… | — | — | JavaC++REST | 2d ago | |
| System Engineer, Cloudflare Hyperdrive | Cloudflare | In-Office | — | $150k–206k | TypeScriptRustC++PostgreSQLMySQL+1 | 2d ago | |
| Senior Systems Engineer, Workers Runtime | Cloudflare | In-Office | Senior | — | JavaScriptRustC++Distributed systems | 2d ago | |
| Senior Systems Engineer, Workers AI | Cloudflare | In-Office | Senior | — | RustKubernetesDistributed systems | 2d ago | |
| Senior Systems Engineer, Pipelines | Cloudflare | In-Office | Senior | $185k–254k | TypeScriptJavaScriptRustC++Kafka+1 | 2d ago | |
| Senior Systems Engineer, Cloudflare Data Platform | Cloudflare | In-Office | Senior | $185k–254k | TypeScriptJavaScriptRustC++SQL+1 | 2d ago | |
| Senior Systems Engineer, AI Gateway | Cloudflare | In-Office | Senior | $194k–266k | TypeScriptRustDistributed systems | 2d ago | |
| Senior Systems Engineer | Cloudflare | In-Office | Senior | — | RustC++PostgreSQLKubernetesREST+2 | 2d ago | |
| Senior Distributed Systems Engineer | Cloudflare | In-Office | Senior | — | RustC++PostgreSQLKubernetesREST+2 | 2d ago | |
| Research Engineer Intern (Fall 2026) | Cloudflare | In-Office | Junior | — | PythonRustDistributed systems | 2d ago | |
| Google Cloud Presales AI Engineer | Devoteam | Madrid, MD, Spain | — | — | JavaGCP | 2d ago | |
| Systems Engineer, Data Intelligence & Analytics Team | Cloudflare | In-Office | — | — | JavaPythonTypeScriptJavaScriptGo+6 | 2d ago | |
| Systems Engineer (Data Intelligence & Analytics Team) | Cloudflare | In-Office | — | — | JavaPythonTypeScriptJavaScriptGo+6 | 2d ago | |
| Software Engineer, Workers Deploy & Config | Cloudflare | In-Office | — | $150k–206k | TypeScriptJavaScriptPostgreSQLSQLKubernetes+3 | 2d ago | |
| Software Engineer Intern (Fall 2026) - Austin, TX | Cloudflare | In-Office | Junior | — | PythonTypeScriptJavaScriptRustC+++1 | 2d ago | |
| Software Engineer Intern (Fall 2026) | Cloudflare | In-Office | Junior | — | PythonTypeScriptJavaScriptRustC+++1 | 2d ago | |
| Software Engineer, AI Agents | Cloudflare | In-Office | — | — | TypeScriptRustPostgreSQL | 2d ago | |
| Senior Software Engineer, Workers Runtime | Cloudflare | In-Office | Senior | — | JavaScriptRustC++Distributed systems | 2d ago | |
| Senior Software Engineer, Storage Infrastructure | Cloudflare | In-Office | Senior | $185k–254k | PythonRustTerraformDistributed systems | 2d ago | |
| Senior Software Engineer, Durable Objects (DO) | Cloudflare | In-Office | Senior | — | TypeScriptJavaScriptRustC++Distributed systems | 2d ago | |
| Senior Software Engineer, Distributed Databases | Cloudflare | In-Office | Senior | $185k–254k | RustC++SQLTerraformDistributed systems+1 | 2d ago | |
| Senior Software Engineer, Cloudflare Queues | Cloudflare | In-Office | Senior | — | TypeScriptJavaScriptEvent-drivenDistributed systems | 2d ago | |
| Principal Software Engineer, Workers Deploy & Config | Cloudflare | In-Office | Principal | $220k–303k | TypeScriptJavaScriptRustC++Kubernetes+3 | 2d ago | |
| Senior Software Engineer | SumUp | Barcelona, Barcelona, Spain | Senior | — | JavaKotlinPostgreSQLSQLMicroservices+1 | 2d ago | |
| Fullstack Engineer | SumUp | Sofia, Bulgaria | — | — | JavaKotlinKafkaAWS | 2d ago | |
| Backend Engineer - Cards | SumUp | Sofia, Bulgaria | — | — | JavaKotlinDistributed systems | 2d ago | |
| Technical Services Engineer, Infrastructure - Weekend | MongoDB | Palo Alto | — | — | JavaPostgreSQLMySQLAWSAzure+4 | 2d ago | |
| Senior Solutions Architect | MongoDB | Shenzhen | Architect | — | JavaKafkaSQLAWSAzure+5 | 2d ago | |
| Cloud Operations Engineer | MongoDB | Cork, Ireland; Dublin, Ireland | — | — | JavaAWSAzureGCPKubernetes+1 | 2d ago | |
| Associate Technical Services Engineer II | MongoDB | Dublin, Ireland; Ireland | — | — | JavaAWSAzureGCPDistributed systems+1 | 2d ago | |
| Elastic Consulting Architect - Public Sector | Elastic | United Kingdom | Architect | — | JavaDistributed systemsElasticsearch | 2d ago | |
| Elastic Consultant - Public Sector | Elastic | Germany | — | — | JavaDistributed systemsElasticsearch | 2d ago |