20 of 20 Remote/Hybrid Memory Management Jobs in London

Lead Java Developer (VP)

Location
Greater London, England, United Kingdom
users globally. Unified FITP, built on state of the art technology stack processes around 200,000 transactions daily and provides real time position , risk management capabilities. It has connectivity to 100+ electronic trading venues and 20+ regulatory bodies globally.We are looking for a talented and passionate individual to join … continue to evolve our architecture roadmap beyond near term objectives* Impact the Applications Development area through monitoring delivery of end results, participate in budget management, and handling day-to-day staff management issues, including resource management and allocation of work within the team/project* Ensure essential ...

Senior Software Engineer – Ultra Low Latency Risk Engine Developer

Location
Greater London, England, United Kingdom
throughput market data feed handlers.* Design and implement low-latency messaging and IPC architectures using technologies such as Aeron and Solace, along with shared-memory/IPC mechanisms, to enable fast, reliable communication between distributed risk, execution, and position components.* Apply deep expertise in JVM performance tuning, memory management, garbage collection avoidance, and/or native (C++/Rust) performance engineering to eliminate latency outliers (\"jitter\") in the risk path.* Perform system-level performance tuning including NUMA-aware application design and memory allocation, CPU core isolation/pinning and affinity tuning, interrupt/IRQ tuning ...

Fixed Income & SFT Tech Delivery Lead (VP)

Hiring Organisation
Citigroup
Location
London, UK
Employment Type
Full-time
users globally. Unified FITP, built on state of the art technology stack processes around 200,000 transactions daily and provides real time position , risk management capabilities. It has connectivity to 100+ electronic trading venues and 20+ regulatory bodies globally. We are looking for a talented and passionate individual … continue to evolve our architecture roadmap beyond near term objectivesImpact the Applications Development area through monitoring delivery of end results, participate in budget management, and handling day-to-day staff management issues, including resource management and allocation of work within the team/projectEnsure essential procedures ...

Senior Full Stack Engineer (Javascript)

Location
City Of London, England, United Kingdom
incorporate end-user feedback Strong UI/UX instincts and an eye for visual design Understanding of client-side performance, including rendering optimizations, memory management, and state management Positive attitude, sense of humor and creativity Strong analytical, project leadership and communication skills Team leadership and management skills You should have a strong interest in web-based software development and additional experience in the financial services technology/asset management space would be a bonus. What we offer Competitive compensation (fixed base salary + performance incentives) 20 days of holiday per year + bank holidays ...

Senior Java Software Engineer – FX Options Risk (VP)

Location
Greater London, England, United Kingdom
clients, and assets. Hands-on Development Contribute hands-on as a primary engineer utilizing our modern tech stack: Core Java (multi-threading, concurrency, memory optimization), CouchbaseDB, Kafka, and Apache Storm. Solve complex real-time risk calculation requirements, handling heavy stream processing and highly concurrent data flows. Required Experience extensive … high-performing Individual Contributor (IC) delivering complex, high-throughput distributed systems in production environments. Deep hands-on expertise in Core Java, including multi-threading, memory management, garbage collection tuning, and concurrency utilities. Solid experience with real-time stream processing and distributed data architectures (e.g., Kafka, Apache Storm, CouchbaseDB ...

Java Developer Contract

Location
Greater London, England, United Kingdom
legacy components to improve latency and system throughput. Required Experience Core Java: 7+ years of deep expertise in Java (Java 17/21 features, memory management, multithreading, and concurrency). Frameworks: Extensive experience with Spring Boot, Spring Cloud, and Hibernate/JPA. Architecture: Proven track record with microservices ...

Software Engineer – Query Engines

Location
Greater London, England, United Kingdom
Java, Scala, Rust, and Python Apache Spark, Apache DataFusion, Apache Comet, and Velox for data processing and query execution Apache Iceberg for table management and catalog interoperability Apache Arrow and Apache Parquet for in-memory data processing and columnar storage Industry-standard build tooling, including Gradle, Cargo … query planning and optimization capabilities that turn complex computations into efficient execution plans Extending execution engines with new capabilities and improving query operators, parallelism, memory management, and data movement Developing Foundry’s Iceberg catalog and engine integrations, including table metadata, transactions, and efficient reads and writes Building shared ...

Staff Software Engineer

Location
Greater London, England, United Kingdom
62304. Collaborate with electronics and FPGA teams on hardware-software interfaces, supporting hardware bring-up, system integration, and complex debug. Contribute to risk management and design documentation activities, including software hazard analysis and traceability in line with ISO 14971 and CoMind’s QMS. Participate in design reviews, sprint planning … years of experience in software engineering, with a strong focus on systems-level software architecture Deep expertise in modern C++ (C++17 or later), including memory management, concurrency, real-time constraints, and performance optimisation Hands‐on experience developing software for embedded Linux environments, including device driver development and hardware ...

VP Lead Engineer

Hiring Organisation
INTEC SELECT LIMITED
Location
London, South East England, United Kingdom
Employment Type
Full-Time
Salary
£120,000 - £130,000 per annum
technical leader with a passion for building high-performance systems in complex environments. You will bring: Deep expertise in modern Java, including concurrency, memory management, and reactive programming Strong experience building real-time, event-driven systems Advanced front-end experience with modern tooling (React, Vite, NX, Playwright) Strong ...

Senior Java Systems Engineer - Platform Exchange / Matching Engine

Hiring Organisation
Adaptive Financial Consulting Ltd
Location
Greater London, United Kingdom
Employment Type
Full Time
collaborative Agile environment, rather than being siloed into a single technology stack. YOU HAVE: Strong server-side, low-latency Java expertise (concurrency, memory management, I/O, and performance profiling). Solid exchange, risk, or matching-engine experience. Hands-on experience building automated testing strategies, running performance benchmarks ...

Senior iOS Security Engineer – ProdSec

Location
Greater London, England, United Kingdom
controls for production mobile applications or SDKs. Technical Skills Expert‐level proficiency in Swift Deep understanding of: iOS architecture and internals Entitlements Application lifecycle Memory management Mach‐O binaries Apple Security Frameworks Knowledge of cryptography, secure communications, and authentication mechanisms. Security Expertise Runtime Application Self‐Protection (RASP) Anti ...

Java Engineer - Low Latency

Location
Greater London, England, United Kingdom
optimising low-latency systems Familiarity with performance tuning and profiling tools (e.g. JMH, async-profiler, Flight Recorder) Solid understanding of multithreading, concurrency, and memory management Experience with microservice architectures and event-driven systems Linux fundamentals and comfort with performance diagnostics Clear communication skills and ability to articulate design … performance decisions Nice to have Experience with high-performance messaging (Chronicle Queue/Wire, Aeron, ZeroMQ, Kafka tuning) Familiarity with off-heap or direct memory structures (Chronicle Map, VarHandles, DirectByteBuffers) Networking/I/O frameworks such as Netty or custom FIX engines Exposure to OpenHFT, LMAX Disruptor ...

iOS Engineer

Location
Greater London, England, United Kingdom
edge cases and failure modes, with senior engineers alongside you to learn from. What we're looking for Solid commercial Swift experience. You understand memory management, concurrency (async/await, actors), and can reason about state in complex flows Experience with SwiftUI in production, or UIKit experience with ...

Machine Learning Engineer

Hiring Organisation
RedTech Recruitment Ltd
Location
City of London, London, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£75,000
autonomously and making technical decisions, while also collaborating closely with a highly technical team Experience in any of the following would be beneficial: Python memory management and performance optimisation GPU optimisation and acceleration Responsibilities for Machine Learning Engineer: Deploy and integrate new machine learning models into advanced commercial … specialists and Security Researchers Take projects from rapid prototyping and experimentation through to production implementation Optimise machine learning models for speed, scale, runtime and memory usage Help improve the performance and scalability of existing AI systems Develop innovative new features using machine learning and AI technologies Explore new technologies ...

Gen AI Architect

Location
Greater London, England, United Kingdom
Bedrock* Define reusable architecture patterns for model customization, prompt orchestration, retrieval pipelines, and agentic workflows* Design agentic AI systems incorporating tool use, workflow orchestration, memory management, and autonomous decision flows* Implement observability for prompts, model responses, vector retrieval quality, and agent execution workflows* Integrate GenAI capabilities into enterprise … applications, APIs, workflow platforms, and data ecosystems* Work with security, risk, compliance, engineering, and business teams to enable LLMOps and AgenticOps capabilities - prompt lifecycle management, model observability, caching, evaluation and governance.* Ensure compliance with enterprise governance, model risk, auditability, data privacy, and regulatory requirements in highly regulated environments* Produce ...

Forward Deployed Engineer

Hiring Organisation
Workato
Location
London, UK
Employment Type
Full-time
teams. In this role, you will also be responsible to: Implement agent-based AI solutions using the Workato Agentic AI platform. Develop advanced prompting, memory management, and behavior-planning techniques to enable LLMs and agents to reliably author and execute complex workflows. Act as a technical solutions expert ...

Payments-Focused iOS Engineer (Remote)

Location
Greater London, England, United Kingdom
UIKit-to-SwiftUI migration and collaborating with backend, product and design to deliver reliable payment experiences. We require solid Swift experience, knowledge of memory management, concurrency, and testing practices. #J-18808-Ljbffr ...

Engineering AI Engineer (Harness) London — Full time Apply →

Location
Greater London, England, United Kingdom
APIs, prompt engineering, structured outputs, function/tool calling, and retrieval systems in Python. Agent Architecture Awareness: Clear understanding of planning loops, tool orchestration, memory management, and multi-agent coordination, including their trade-offs and common failure modes. Harness & Scaffolding Contribution: Ability to write clean, maintainable Python code ...

Software Engineer – Ads & Commercial Development

Location
Greater London, England, United Kingdom
serves our commercial products at scale. Role-Related Knowledge: Browser Internals: Deep understanding of browser architecture, critical rendering paths, painting, layout engine mechanics, and memory management. Ad-Tech Ecosystem (Highly Desirable): Conceptual knowledge of digital advertising infrastructure, including header bidding, ad servers, tracking pixels, and privacy-focused sandbox APIs. … structures, algorithms, system design, and clean code architectures. Capabilities: Performance Optimisation: Ability to profile, debug, and optimize code to execute with minimal CPU and memory footprints in highly constrained environments. Tooling Leverage: Proactive adoption and strong leverage of LLM/AI coding tools (e.g., GitHub Copilot, Cursor) to accelerate ...

Staff Python Engineer (ML)

Location
City Of London, England, United Kingdom
productionising their models Being responsive to incidents regarding ML applications - including an understanding of how to triage and resolve issues relating to CPU, memory, and GPU utilisation Documenting procedures and guides to facilitate knowledge sharing and help other engineers level up through pairing and mentoring Participating in hiring … onboarding new team members; taking on end-to-end project management responsibilities as we grow. What we're looking for Strong proficiency with Python and Backend-Engineering Experience owning projects from start to finish, including speccing, architecture, development, testing, deployment, release and monitoring Strong skills in building maintainable tests ...