Backend Engineering internships in London
• 1000+ rolesBrowse Backend Engineering internships in London and apply directly to active openings.
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Senior & Staff Product Engineers - Tech agnostic, TS, Python, Rust, Go | YC-Backed HealthTech AI start-up, Seed stage | Salary £100-150K base + Equity | London, Hybrid
Owen Thomas | B Corp™
London, England, United Kingdom
Full-time
GBP100,000 - GBP150,000
1 day ago
Product EngineeringBackend EngineeringFull-Stack EngineeringPythonGoRustTypeScriptJavaKotlinAPI DesignDistributed SystemsSystem ArchitectureAI IntegrationScalabilityReliabilityObservability
Senior & Staff Product Engineers - Tech agnostic, TS, Python, Rust, Go | YC-Backed HealthTech AI start-up, Seed stage | Salary £100-150K base + Equity | London, Hybrid
Owen Thomas | B Corp™
London, England, United Kingdom
Full-time
GBP100,000 - GBP150,000
18 hours ago
Product EngineeringBackend EngineeringFull-Stack EngineeringPythonGoRustTypeScriptJavaKotlinAPI DesignDistributed SystemsSystem DesignAI and LLM IntegrationScalabilityReliabilityObservability
Senior & Staff Product Engineers - Tech agnostic, TS, Python, Rust, Go | YC-Backed HealthTech AI start-up, Seed stage | Salary £100-150K base + Equity | London, Hybrid
Owen Thomas | B Corp™
London, England, United Kingdom
Full-time
GBP100,000 - GBP150,000
11 hours ago
Software EngineeringProduct EngineeringBackend DevelopmentFull-Stack DevelopmentPythonGoRustTypeScriptJavaKotlinAPI DesignDistributed SystemsSystem ArchitectureAI/LLM IntegrationScalabilityObservability
Forward Deployed Engineer | Early-Stage AI Start-Up
Oho Group
London, England, United Kingdom
Full-time
Salary not specified
3 days ago
Backend EngineeringFull-Stack EngineeringScalable System DesignProduction SystemsCustomer CommunicationStakeholder CommunicationProblem SolvingProduct DevelopmentCustomer ImpactAdaptability
Senior & Staff Product Engineers - Tech agnostic, TS, Python, Rust, Go | YC-Backed HealthTech AI start-up, Seed stage | Salary £100-150K base + Equity | London, Hybrid
Owen Thomas | B Corp™
London, England, United Kingdom
Full-time
GBP100,000 - GBP150,000
6 days ago
Software EngineeringProduct EngineeringPythonGoRustTypeScriptJavaKotlinBackend DevelopmentDistributed SystemsAPI DesignSystem ArchitectureAILLMsScalabilityObservability
Senior Backend Engineer - Early-stage Start-up - London
Oliver Bernard
London, England, United Kingdom
Full-time
GBP60,000 - GBP90,000
3 weeks ago
C#PythonLLMAgentic WorkflowsFintechReactAPI DesignBackend EngineeringEvent-driven SystemsMulti-tenant SystemsInfrastructure DesignData Modeling
Forward Deployed Engineer | Early-Stage AI Start-Up
Oho Group
London, England, United Kingdom
Full-time
Salary not specified
2 months ago
Backend EngineeringFull-stack EngineeringSystem DesignScalable Production SystemsStakeholder CommunicationCustomer Relationship ManagementApplied AI
Founding Engineer | Early-Stage Start-Up | Physical AI | London
Oho Group
London, England, United Kingdom
Full-time
Salary not specified
3 days ago
Software EngineeringBackend EngineeringSoftware Engineering FundamentalsScalable SystemsProduction-Grade SystemsArtificial IntelligencePhysical AIProblem-SolvingModern TechnologiesTechnical OwnershipProduct DevelopmentTechnical Direction
Senior & Staff Product Engineers - Tech agnostic, TS, Python, Rust, Go | YC-Backed HealthTech AI start-up, Seed stage | Salary £100-150K base + Equity | London, Hybrid
Owen Thomas | B Corp™
London, England, United Kingdom
Full-time
GBP100,000 - GBP150,000
1 day ago
Product EngineeringSoftware EngineeringBackend DevelopmentFull-Stack DevelopmentPythonGoRustTypeScriptJavaKotlinAPI DesignDistributed SystemsSystem ArchitectureAI/LLM IntegrationScalabilityObservability
Member of Technical Staff (£100k+ + Equity) at seed-stage industrial AI startup
Jack & Jill
London, England, United Kingdom
Full-time
Salary not specified
2 months ago
PythonTypeScriptReactAWSPulumiGPU OrchestrationDistributed InfrastructureBackend EngineeringAI Model InferenceDocument Intelligence
Senior & Staff Product Engineers - Tech agnostic, TS, Python, Rust, Go | YC-Backed HealthTech AI start-up, Seed stage | Salary £100-150K base + Equity | London, Hybrid
Owen Thomas | B Corp™
London, England, United Kingdom
Full-time
GBP100,000 - GBP150,000
2 months ago
Product EngineeringBackend DevelopmentSystem DesignAPI DesignDistributed SystemsAI IntegrationLLMsPythonGoRustTypeScriptJavaKotlinScalabilityObservabilityTechnical Leadership
Software Engineer Intern (Winter 2027)
Cohere
London, England, United Kingdom
Intern
Salary not specified
2 months ago
Machine LearningNatural Language ProcessingFrontend DevelopmentBackend DevelopmentFull-stack DevelopmentInfrastructure EngineeringData Pipeline DesignCI/CDTechnical WritingAPI Development
Backend Developer Intern
Retable
London, England, United Kingdom
Intern
Salary not specified
3 months ago
REST APIRelational DatabasesPostgreSQLJavaScriptTypeScriptVersion ControlTeam CollaborationProblem-SolvingBackend DevelopmentPerformance OptimizationReliabilityDebuggingMonitoringDeployment
AI Placement - 2027 (Imperial 6 month placement, April - September 2027)
Marshall Wace Internship Programmes
London, England, United Kingdom
Type not specified
Salary not specified
2 months ago
PythonMachine LearningArtificial IntelligenceSoftware EngineeringGenerative AILLM PipelinesRAG EngineBackend ServicesData AssetsFinancial MarketsProduction CodingModel Training
Member of Technical Staff (£100k+ + Equity) at seed-stage industrial AI startup
Jack & Jill
London, England, United Kingdom
Full-time
Salary not specified
2 months ago
PythonTypeScriptReactAWSPulumiGPU OrchestrationDistributed InfrastructureBackend SystemsAI Model InferenceDocument Intelligence
Member of Technical Staff (£100k+ + Equity) at seed-stage industrial AI startup
Jack & Jill
London, England, United Kingdom
Full-time
Salary not specified
2 months ago
PythonTypeScriptAWSPulumiReactDistributed InfrastructureGPU OrchestrationBackend SystemsAI Model InferenceDocument Intelligence
Member of Technical Staff (£100k+ + Equity) at seed-stage industrial AI startup
Jack & Jill
London, England, United Kingdom
Full-time
Salary not specified
2 months ago
PythonTypeScriptAWSPulumiReactDistributed InfrastructureGPU OrchestrationBackend SystemsAI Model InferenceDocument Intelligence
Member of Technical Staff (£100k+ + Equity) at seed-stage industrial AI startup
Jack & Jill
London, England, United Kingdom
Full-time
Salary not specified
2 months ago
PythonTypeScriptReactAWSPulumiGPU OrchestrationDistributed InfrastructureBackend SystemsAI Model InferenceDocument Intelligence
Member of Technical Staff (£100k+ + Equity) at seed-stage industrial AI startup
Jack & Jill
London, England, United Kingdom
Full-time
Salary not specified
2 months ago
PythonTypeScriptReactAWSPulumiGPU OrchestrationDistributed InfrastructureBackend SystemsAI Model InferenceDocument Intelligence
Software Engineer Intern, Trading
Talos
London, England, United Kingdom
Intern
Salary not specified
2 weeks ago
GoC++JavaPostgresTrading systemsBackend systemsOrder management systemAlgorithmic tradingSoftware engineeringData structuresSystem architecturePerformance evaluationMetricsAnalyticsCommunication
Senior & Staff Product Engineers - Tech agnostic, TS, Python, Rust, Go | YC-Backed HealthTech AI start-up, Seed stage | Salary £100-150K base + Equity | London, Hybrid
• via LinkedinOwen Thomas | B Corp™
London, England, United Kingdom
Full-time
GBP100,000 - GBP150,000
1 day ago
Hybrid
Key Skills
Product EngineeringBackend EngineeringFull-Stack EngineeringPythonGoRustTypeScriptJavaKotlinAPI DesignDistributed SystemsSystem ArchitectureAI IntegrationScalabilityReliabilityObservability
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