london, south east england, united kingdom Hybrid / WFH Options
Rightmove
to consumers, our partners and all our stakeholders across the UK property market. You'll be at the heart of a greenfield opportunity - building, deploying, and operating machine learning systems that leverage Rightmove's data at large scale. You'll have the opportunity to shape best practices, own and grow the ML Ops discipline, and help us move from … Engineer might involve; Designing, building, and maintaining ML pipelines for training, deployment, monitoring, and retraining at scale. Working with data scientists to take models from development to production-grade systems, ensuring scalability, reproducibility, and robustness. Automating feature engineering and data pipeline processes, ensuring reproducibility and auditability. Implementing monitoring and observability to detect drift, bias, and performance degradation, and setting … production and automating retraining as needed. Sharing knowledge across the data and AI community at Rightmove. We're looking for someone who; Has impactful experience deploying and maintaining ML systems in production, ideally in larger, mature organizations or teams operating at significant scale (e.g., web-scale, distributedsystems, cloud-native environments). Brings expertise in MLOps: CI More ❯
London, England, United Kingdom Hybrid / WFH Options
Investa
we’re now looking for an extremely strong Senior Software Engineer to strengthen our engineering team as we scale. You will have extensive commercial experience designing, building and maintaining systems used in critical services or those handling significant volumes of activity. You will play a crucial role in building key parts of our platform and apps, ensuring the robustness … per week in our central London office, offering the opportunity to build a new options trading platform. What the role involves Designing, building, and maintaining robust, scalable, and secure systems for critical services Continually improving system performance, reliability, and security Collaborating with cross-functional teams to build a class-leading product Mentoring and guiding engineers, fostering a culture of … Go and others Highly driven by technology with experience across multiple platforms Familiarity with serverless technologies (AWS, Azure or GCP) Strong understanding of system architecture, event-driven design and distributedsystems Product-minded and able to work to solutions that are tightly aligned with the product goals Driven and committed to helping grow the organisation Your background Proven More ❯
london, south east england, united kingdom Hybrid / WFH Options
Investa
we’re now looking for an extremely strong Senior Software Engineer to strengthen our engineering team as we scale. You will have extensive commercial experience designing, building and maintaining systems used in critical services or those handling significant volumes of activity. You will play a crucial role in building key parts of our platform and apps, ensuring the robustness … per week in our central London office, offering the opportunity to build a new options trading platform. What the role involves Designing, building, and maintaining robust, scalable, and secure systems for critical services Continually improving system performance, reliability, and security Collaborating with cross-functional teams to build a class-leading product Mentoring and guiding engineers, fostering a culture of … Go and others Highly driven by technology with experience across multiple platforms Familiarity with serverless technologies (AWS, Azure or GCP) Strong understanding of system architecture, event-driven design and distributedsystems Product-minded and able to work to solutions that are tightly aligned with the product goals Driven and committed to helping grow the organisation Your background Proven More ❯
London, South East, England, United Kingdom Hybrid / WFH Options
Client Server Ltd
quality, high-impact releases. You'll be working with a modern, cloud native tech stack using Java, Spring Boot, AWS, Kafka and CI/CD to build highly scalable, distributedsystems with 24/7 availability. Location/WFH: There's a hybrid model with two days a week work from home, when you are in the office … range of facilities including roof terrace, restaurant and break out areas. About you: You have strong technical and people leadership skills You have advanced experience of building cloud-native, distributedsystems using Java and Spring Boot You have a strong knowledge of AWS including Amazon EKS You have experience with Kafka and event driven architectures You're collaborative More ❯
London, England, United Kingdom Hybrid / WFH Options
Client Server
quality, high-impact releases. You'll be working with a modern, cloud native tech stack using Java, Spring Boot, AWS, Kafka and CI/CD to build highly scalable, distributedsystems with 24/7 availability. Location/WFH: There's a hybrid model with two days a week work from home, when you are in the office … range of facilities including roof terrace, restaurant and break out areas. About you: You have strong technical and people leadership skills You have advanced experience of building cloud-native, distributedsystems using Java and Spring Boot You have a strong knowledge of AWS including Amazon EKS You have experience with Kafka and event driven architectures You're collaborative More ❯
London, South East, England, United Kingdom Hybrid / WFH Options
Client Server Ltd
quality, high-impact releases. You'll be working with a modern, cloud native tech stack using Java, Spring Boot, AWS, Kafka and CI/CD to build highly scalable, distributedsystems with 24/7 availability. Location/WFH: There's a hybrid model with two days a week work from home, when you are in the office … range of facilities including roof terrace, restaurant and break out areas. About you: You have strong technical and people leadership skills You have advanced experience of building cloud-native, distributedsystems using Java and Spring Boot You have a strong knowledge of AWS including Amazon EKS You have experience with Kafka and event driven architectures You're collaborative More ❯
City of London, London, United Kingdom Hybrid / WFH Options
Paradigm Talent
pushing the boundaries of computational biology, combining machine learning, cloud infrastructure, and scientific research to accelerate discoveries in life sciences. As a Staff Backend Engineer , you’ll build the distributedsystems and data infrastructure that power the lab’s next-generation biology platform. From model serving to real-time data processing, your work will form the backbone of … Collaborate across disciplines , working with ML engineers, biologists, and platform teams to ensure seamless integration between computation, data, and science. You should have Deep experience building and scaling backend systems and distributed applications . Strong coding skills in Python , with an understanding of performance tuning and concurrency. Hands-on experience with Kubernetes , AWS , and modern cloud infrastructure . … systems. Knowledge of scientific or biological computing environments . This is a rare opportunity to join a deep-tech AI lab where backend engineering meets scientific discovery, building the systems that let machine learning models and experimental biology evolve together. If you want to design the infrastructure behind a platform that could change how we understand life itself, we More ❯
pushing the boundaries of computational biology, combining machine learning, cloud infrastructure, and scientific research to accelerate discoveries in life sciences. As a Staff Backend Engineer , you’ll build the distributedsystems and data infrastructure that power the lab’s next-generation biology platform. From model serving to real-time data processing, your work will form the backbone of … Collaborate across disciplines , working with ML engineers, biologists, and platform teams to ensure seamless integration between computation, data, and science. You should have Deep experience building and scaling backend systems and distributed applications . Strong coding skills in Python , with an understanding of performance tuning and concurrency. Hands-on experience with Kubernetes , AWS , and modern cloud infrastructure . … systems. Knowledge of scientific or biological computing environments . This is a rare opportunity to join a deep-tech AI lab where backend engineering meets scientific discovery, building the systems that let machine learning models and experimental biology evolve together. If you want to design the infrastructure behind a platform that could change how we understand life itself, we More ❯
london, south east england, united kingdom Hybrid / WFH Options
Paradigm Talent
pushing the boundaries of computational biology, combining machine learning, cloud infrastructure, and scientific research to accelerate discoveries in life sciences. As a Staff Backend Engineer , you’ll build the distributedsystems and data infrastructure that power the lab’s next-generation biology platform. From model serving to real-time data processing, your work will form the backbone of … Collaborate across disciplines , working with ML engineers, biologists, and platform teams to ensure seamless integration between computation, data, and science. You should have Deep experience building and scaling backend systems and distributed applications . Strong coding skills in Python , with an understanding of performance tuning and concurrency. Hands-on experience with Kubernetes , AWS , and modern cloud infrastructure . … systems. Knowledge of scientific or biological computing environments . This is a rare opportunity to join a deep-tech AI lab where backend engineering meets scientific discovery, building the systems that let machine learning models and experimental biology evolve together. If you want to design the infrastructure behind a platform that could change how we understand life itself, we More ❯
london (city of london), south east england, united kingdom Hybrid / WFH Options
Paradigm Talent
pushing the boundaries of computational biology, combining machine learning, cloud infrastructure, and scientific research to accelerate discoveries in life sciences. As a Staff Backend Engineer , you’ll build the distributedsystems and data infrastructure that power the lab’s next-generation biology platform. From model serving to real-time data processing, your work will form the backbone of … Collaborate across disciplines , working with ML engineers, biologists, and platform teams to ensure seamless integration between computation, data, and science. You should have Deep experience building and scaling backend systems and distributed applications . Strong coding skills in Python , with an understanding of performance tuning and concurrency. Hands-on experience with Kubernetes , AWS , and modern cloud infrastructure . … systems. Knowledge of scientific or biological computing environments . This is a rare opportunity to join a deep-tech AI lab where backend engineering meets scientific discovery, building the systems that let machine learning models and experimental biology evolve together. If you want to design the infrastructure behind a platform that could change how we understand life itself, we More ❯
On-site) Location: London, UK Type: Full-time | Permanent Salary: Competitive + equity + benefits Are you a seasoned Rust Engineer with a passion for building high-performance, reliable systems? We’re looking for an experienced Senior Rust Engineer to join our London team and take ownership of critical backend components that power our next-generation platform. What You … ll Do Architect, design, and implement core systems in Rust Lead by example — write clean, efficient, and idiomatic Rust code Mentor junior and mid-level engineers, sharing best practices in systems design and Rust development Collaborate with cross-functional teams to deliver scalable, secure, and fault-tolerant applications Drive performance tuning, code reviews, and architectural improvements across the … stack What We’re Looking For 5–8+ years of professional software engineering experience 3–5+ years of hands-on experience with Rust in production environments Strong understanding of systems programming , concurrency , networking , and low-level performance optimisation Experience with microservices , distributedsystems , or blockchain technologies is highly desirable Familiarity with Linux systems , CI/CD More ❯
City of London, London, United Kingdom Hybrid / WFH Options
NonStop Consulting
On-site) Location: London, UK Type: Full-time | Permanent Salary: Competitive + equity + benefits Are you a seasoned Rust Engineer with a passion for building high-performance, reliable systems? We’re looking for an experienced Senior Rust Engineer to join our London team and take ownership of critical backend components that power our next-generation platform. What You … ll Do Architect, design, and implement core systems in Rust Lead by example — write clean, efficient, and idiomatic Rust code Mentor junior and mid-level engineers, sharing best practices in systems design and Rust development Collaborate with cross-functional teams to deliver scalable, secure, and fault-tolerant applications Drive performance tuning, code reviews, and architectural improvements across the … stack What We’re Looking For 5–8+ years of professional software engineering experience 3–5+ years of hands-on experience with Rust in production environments Strong understanding of systems programming , concurrency , networking , and low-level performance optimisation Experience with microservices , distributedsystems , or blockchain technologies is highly desirable Familiarity with Linux systems , CI/CD More ❯
london, south east england, united kingdom Hybrid / WFH Options
NonStop Consulting
On-site) Location: London, UK Type: Full-time | Permanent Salary: Competitive + equity + benefits Are you a seasoned Rust Engineer with a passion for building high-performance, reliable systems? We’re looking for an experienced Senior Rust Engineer to join our London team and take ownership of critical backend components that power our next-generation platform. What You … ll Do Architect, design, and implement core systems in Rust Lead by example — write clean, efficient, and idiomatic Rust code Mentor junior and mid-level engineers, sharing best practices in systems design and Rust development Collaborate with cross-functional teams to deliver scalable, secure, and fault-tolerant applications Drive performance tuning, code reviews, and architectural improvements across the … stack What We’re Looking For 5–8+ years of professional software engineering experience 3–5+ years of hands-on experience with Rust in production environments Strong understanding of systems programming , concurrency , networking , and low-level performance optimisation Experience with microservices , distributedsystems , or blockchain technologies is highly desirable Familiarity with Linux systems , CI/CD More ❯
london (city of london), south east england, united kingdom Hybrid / WFH Options
NonStop Consulting
On-site) Location: London, UK Type: Full-time | Permanent Salary: Competitive + equity + benefits Are you a seasoned Rust Engineer with a passion for building high-performance, reliable systems? We’re looking for an experienced Senior Rust Engineer to join our London team and take ownership of critical backend components that power our next-generation platform. What You … ll Do Architect, design, and implement core systems in Rust Lead by example — write clean, efficient, and idiomatic Rust code Mentor junior and mid-level engineers, sharing best practices in systems design and Rust development Collaborate with cross-functional teams to deliver scalable, secure, and fault-tolerant applications Drive performance tuning, code reviews, and architectural improvements across the … stack What We’re Looking For 5–8+ years of professional software engineering experience 3–5+ years of hands-on experience with Rust in production environments Strong understanding of systems programming , concurrency , networking , and low-level performance optimisation Experience with microservices , distributedsystems , or blockchain technologies is highly desirable Familiarity with Linux systems , CI/CD More ❯
for you. Responsibilities Scaling Expertise: Design and implement strategies to efficiently scale machine learning models across diverse hardware platforms (GPU/TPU). Performance Optimisation: Analyse and profile ML systems under heavy load, pinpointing bottlenecks, and implementing targeted optimisations. DistributedSystems Architecture: Create robust distributed training and inference solutions for maximum computational efficiency. Algorithmic Optimisation: Research … and performance. Low-Level Mastery: Write high-quality Python, C/C++, XLA, Pallas, Triton, and/or CUDA code to achieve performance breakthroughs. Required Skills Understanding of Linux systems, performance analysis tools, and hardware optimisation techniques Experience with distributed training frameworks (Ray, Dask, PyTorch Lightning, etc.) Expertise with Python and/or C/C++ Development with … traces, identifying opportunities for custom XLA operations and CUDA kernel development. Implement and apply SOTA architectures (MAMBA, Griffin, Hyena) to research and applied projects. Adapt algorithms for large-scale distributed architectures across HPC clusters. Employ memory-efficient techniques within models for increased parameter counts and longer context lengths. What We Offer: Real-World Impact: Directly contribute to the performance More ❯
London, South East, England, United Kingdom Hybrid / WFH Options
Salt Search
performing engineering team within retail banking. This is a fantastic opportunity for a technically minded individual who's passionate about building fast, reliable, and scalable software within a complex distributed environment. You'll play a key role in designing, developing, testing, and implementing modern microservices-based applications running in the public cloud. This is a hands-on position within … and deliver well-tested, production-ready software with strong focus on functional and non-functional requirements Deep understanding of microservices architecture , cloud-native applications, and API development Experience with distributedsystems - managing workloads at scale using modern practices for availability, performance, and observability Knowledge and experience with Test-Driven Development (TDD) and automated testing frameworks Excellent collaboration and More ❯
data analytics. Our platform is starting to replace a set of the existing risk applications with new generation ones with web-based UI, server-side computing and grid technology, distributed in-memory solutions. The new application is going to serve traders, sales and external clients. Solution is scalable to cover multiple locations and meet latency requirements. Team is growing … processes What we want from you Strong hands-on experience with Core Java and multithreading in high load system Practice with JVM performance optimization and memory profiling Familiarity with distributedsystems architecture and in-memory computing concepts Proven experience with in-memory caching solution Apache Ignite in production environment Solid experience with MongoDB (CRUD, indexing, performance tuning) Deep … maintaining applications in cloud platforms (AWS, Azure, etc.) Passion to write code using TDD and be ready for L3 support and production release activities English B1 Qualifications Experience in systems analysis and programming of software applications Experience in managing and implementing successful projects Working knowledge of consulting/project management techniques/methods Ability to work independently, multi-task More ❯
in Computer Science or a related technical field, or equivalent practical experience. 7+ years of hands-on experience in Back End development, building and maintaining high-availability, high-throughput systems in production. Technical & Backend Skills Expert-level proficiency and at least 5 years of production experience with Go (Golang) . This role is centered on Go, and we require … deep experience with its concurrency patterns and performance tuning. Strong, proven experience designing, building, and scaling high-availability RESTful APIs for mobile or web clients. Deep experience with distributedsystems, microservices architecture, and event-driven patterns. Demonstrated experience with Real Time applications and data streaming technologies (eg, WebSockets, gRPC, Kafka). Experience integrating third-party AI/ML More ❯
City of London, London, United Kingdom Hybrid / WFH Options
Ventula Consulting Limited
degree in Computer Science or a related technical field, or equivalent practical experience. ? 7+ years of hands-on experience in backend development, building and maintaining high-availability, high-throughput systems in production. Technical & Backend Skills ? Expert-level proficiency and at least 5 years of production experience with Go (Golang) . This role is centered on Go, and we require … deep experience with its concurrency patterns and performance tuning. ? Strong, proven experience designing, building, and scaling high-availability RESTful APIs for mobile or web clients. ? Deep experience with distributedsystems, microservices architecture, and event-driven patterns. ? Demonstrated experience with real-time applications and data streaming technologies (e.g., WebSockets, gRPC, Kafka). ? Experience integrating third-party AI/ML More ❯
build, scale, and run modern applications by helping them modernize legacy workloads, embrace innovation, and unleash AI. Our industry-leading developer data platform, MongoDB Atlas, is the only globally distributed, multi-cloud database and is available in more than 115 regions across AWS, Google Cloud, and Microsoft Azure. Atlas allows customers to build and run applications anywhere-on premises … alignment with our platform and the needs of our customers. MongoDB Pre-Sales Solution Architects are responsible for guiding our customers and users to design and build reliable, scalable systems using our data platform. Our team is made up of seasoned technical sales professionals, software architects, entrepreneurs, and developers who take direct responsibility for customer success, including the design … scripting languages (e.g. Python, Node.js, SQL) and/or popular programming languages (e.g. C/C++, Java, C#) in a professional capacity Experience designing with scalable and highly available distributedsystems in the cloud and on-prem Demonstrated ability to work with customers to review complex architecture of existing applications, providing guidance on how to improve by leveraging More ❯
in Computer Science, Engineering, or a related field. 7+ years of hands-on experience in Back End engineering, with a proven track record of building and maintaining high-performance, distributedsystems in production. Required Technical Skills A minimum of 5 years of production experience with Go (Golang). Experience in other languages (eg, Python, Node.js) is valued, but More ❯
london, south east england, united kingdom Hybrid / WFH Options
BondAval
approaches, whether it's a different data stack, AI toolkit, or a creative way to apply LLMs in production. Responsibilities: Lead by example: design and ship high-quality, scalable systems across our frontend and microservice stack. Shape the roadmap: define architecture, set standards, and guide technical direction alongside the CTO. Drive innovation: explore AI, LLMs, and data-driven features … experience, including leading projects and small teams. You're highly proficient in a server-side language (Go preferred; Python or Java also valuable). You've built and designed distributedsystems and scalable architectures. You're comfortable across the stack, with experience in modern front-end frameworks (VueJS, React, or Angular). You have strong experience with relational More ❯
support growth and best practices. The Candidate 5+ years’ software engineering experience , ideally in fintech, banking, or payments. Strong backend skills with Node.js (NestJS a plus), TypeScript, SQL, and distributed systems. Experience with event-driven architecture (Kafka, Google Pub/Sub) and modern CI/CD pipelines. Frontend development expertise with Angular or similar frameworks. At least an understanding More ❯
City of London, London, United Kingdom Hybrid / WFH Options
Axiom Recruit
support growth and best practices. The Candidate 5+ years’ software engineering experience , ideally in fintech, banking, or payments. Strong backend skills with Node.js (NestJS a plus), TypeScript, SQL, and distributed systems. Experience with event-driven architecture (Kafka, Google Pub/Sub) and modern CI/CD pipelines. Frontend development expertise with Angular or similar frameworks. At least an understanding More ❯
london, south east england, united kingdom Hybrid / WFH Options
Axiom Recruit
support growth and best practices. The Candidate 5+ years’ software engineering experience , ideally in fintech, banking, or payments. Strong backend skills with Node.js (NestJS a plus), TypeScript, SQL, and distributed systems. Experience with event-driven architecture (Kafka, Google Pub/Sub) and modern CI/CD pipelines. Frontend development expertise with Angular or similar frameworks. At least an understanding More ❯