calibre engineering team and looking for Software Engineers who thrive on building elegant, scalable systems from the ground up. Youll be joining a small, world-class team working on distributed backend platforms, data-driven AI tools, and core infrastructure supporting advanced medical technologies. This is a true software engineering role where you'll be designing, building, and scaling complex … systems that solve real problems in healthcare. Role Design and build production-grade backend systems using Python and FastAPI Develop distributed, high-performance services and APIs for AI-driven platforms Contribute to architecture decisions, scalability planning, and system optimisation Implement best practices in testing, CI/CD, and performance monitoring Collaborate closely with product, AI, and data teams … 5+ years of experience as a Software Engineer building modern backend systems Strong Python skills (FastAPI preferred; Flask or Django also considered) Knowledge of system design, data modelling, and distributedarchitecture Familiarity with cloud technologies (AWS, Azure, or GCP) and containerisation Understanding of software engineering best practices testing, CI/CD, clean code A genuine interest in AI More ❯
calibre engineering team and looking for Software Engineers who thrive on building elegant, scalable systems from the ground up. Youll be joining a small, world-class team working on distributed backend platforms, data-driven AI tools, and core infrastructure supporting advanced medical technologies. This is a true software engineering role where you'll be designing, building, and scaling complex … systems that solve real problems in healthcare. Role Design and build production-grade backend systems using Python and FastAPI Develop distributed, high-performance services and APIs for AI-driven platforms Contribute to architecture decisions, scalability planning, and system optimisation Implement best practices in testing, CI/CD, and performance monitoring Collaborate closely with product, AI, and data teams … 5+ years of experience as a Software Engineer building modern backend systems Strong Python skills (FastAPI preferred; Flask or Django also considered) Knowledge of system design, data modelling, and distributedarchitecture Familiarity with cloud technologies (AWS, Azure, or GCP) and containerisation Understanding of software engineering best practices testing, CI/CD, clean code A genuine interest in AI More ❯
East London, London, United Kingdom Hybrid / WFH Options
Hunter Bond
engineering team and looking for Software Engineers who thrive on building elegant, scalable systems from the ground up. You’ll be joining a small, world-class team working on distributed backend platforms, data-driven AI tools, and core infrastructure supporting advanced medical technologies. This is a true software engineering role where you'll be designing, building, and scaling complex … systems that solve real problems in healthcare. Role Design and build production-grade backend systems using Python and FastAPI Develop distributed, high-performance services and APIs for AI-driven platforms Contribute to architecture decisions, scalability planning, and system optimisation Implement best practices in testing, CI/CD, and performance monitoring Collaborate closely with product, AI, and data teams … 5+ years of experience as a Software Engineer building modern backend systems Strong Python skills (FastAPI preferred; Flask or Django also considered) Knowledge of system design, data modelling, and distributedarchitecture Familiarity with cloud technologies (AWS, Azure, or GCP) and containerisation Understanding of software engineering best practices — testing, CI/CD, clean code A genuine interest in AI More ❯
City of London, London, United Kingdom Hybrid / WFH Options
Hunter Bond
engineering team and looking for Software Engineers who thrive on building elegant, scalable systems from the ground up. You’ll be joining a small, world-class team working on distributed backend platforms, data-driven AI tools, and core infrastructure supporting advanced medical technologies. This is a true software engineering role where you'll be designing, building, and scaling complex … systems that solve real problems in healthcare. Role Design and build production-grade backend systems using Python and FastAPI Develop distributed, high-performance services and APIs for AI-driven platforms Contribute to architecture decisions, scalability planning, and system optimisation Implement best practices in testing, CI/CD, and performance monitoring Collaborate closely with product, AI, and data teams … 5+ years of experience as a Software Engineer building modern backend systems Strong Python skills (FastAPI preferred; Flask or Django also considered) Knowledge of system design, data modelling, and distributedarchitecture Familiarity with cloud technologies (AWS, Azure, or GCP) and containerisation Understanding of software engineering best practices — testing, CI/CD, clean code A genuine interest in AI More ❯
Central London / West End, London, United Kingdom Hybrid / WFH Options
Hunter Bond
engineering team and looking for Software Engineers who thrive on building elegant, scalable systems from the ground up. You’ll be joining a small, world-class team working on distributed backend platforms, data-driven AI tools, and core infrastructure supporting advanced medical technologies. This is a true software engineering role where you'll be designing, building, and scaling complex … systems that solve real problems in healthcare. Role Design and build production-grade backend systems using Python and FastAPI Develop distributed, high-performance services and APIs for AI-driven platforms Contribute to architecture decisions, scalability planning, and system optimisation Implement best practices in testing, CI/CD, and performance monitoring Collaborate closely with product, AI, and data teams … 5+ years of experience as a Software Engineer building modern backend systems Strong Python skills (FastAPI preferred; Flask or Django also considered) Knowledge of system design, data modelling, and distributedarchitecture Familiarity with cloud technologies (AWS, Azure, or GCP) and containerisation Understanding of software engineering best practices — testing, CI/CD, clean code A genuine interest in AI More ❯
Excellent written and verbal communication in English. Understanding of non-functional testing: performance, scalability, resilience. Demonstrable track record in operational reliability and automation. Desirable Familiarity with DataMesh principles and distributed data architecture. Experience in fast-paced, technically complex environments. Understanding of telecoms industry technologies and standards. Experience mentoring and supporting engineers. Why You'll Love It Here : Our client More ❯
Collaborate with a talented team on impactful blockchain projects. What We’re Looking For Expertise in programming languages like Go, Rust, Python, Java MEV Experience Experience with APIs and distributed system architectures. A drive to innovate and build in the Web3 space. What we offering Competitive Salary: £100k - £180k Hybrid Working: 4 days in office Equity! Elite Team If More ❯
City of London, London, United Kingdom Hybrid / WFH Options
Plexus Resource Solutions
Collaborate with a talented team on impactful blockchain projects. What We’re Looking For Expertise in programming languages like Go, Rust, Python, Java MEV Experience Experience with APIs and distributed system architectures. A drive to innovate and build in the Web3 space. What we offering Competitive Salary: £100k - £180k Hybrid Working: 4 days in office Equity! Elite Team If More ❯
london, south east england, united kingdom Hybrid / WFH Options
Plexus Resource Solutions
Collaborate with a talented team on impactful blockchain projects. What We’re Looking For Expertise in programming languages like Go, Rust, Python, Java MEV Experience Experience with APIs and distributed system architectures. A drive to innovate and build in the Web3 space. What we offering Competitive Salary: £100k - £180k Hybrid Working: 4 days in office Equity! Elite Team If More ❯
london (city of london), south east england, united kingdom Hybrid / WFH Options
Plexus Resource Solutions
Collaborate with a talented team on impactful blockchain projects. What We’re Looking For Expertise in programming languages like Go, Rust, Python, Java MEV Experience Experience with APIs and distributed system architectures. A drive to innovate and build in the Web3 space. What we offering Competitive Salary: £100k - £180k Hybrid Working: 4 days in office Equity! Elite Team If 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 … cloud-hosted Linux based environment Collaborate with DevOps to containerize services and deploy using CI/CD pipelines Conduct performance tuning, code reviews, and troubleshooting production issues Document system architecture, design decisions, and development 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 distributed systems 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 SQL knowledge and query optimization in Oracle database Solid understanding of messaging technologies Apache Kafka/Solace Proficiency in working with Linux environment and scripting More ❯
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. Distributed Systems Architecture: Create robust distributed training and inference solutions for maximum computational efficiency. Algorithmic Optimisation: Research and understand the latest deep learning literature to implement and optimise …/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 machine learning frameworks (JAX, Tensorflow, PyTorch etc.) Passion for profiling, identifying … 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 ❯
a rapidly scaling Series A DeepTech start-up thats quickly earning a reputation for its AI-driven product, trusted by global customers. Their technology sits at the intersection of distributed systems, AI/ML, and unstructured data helping organisations make sense of complex, multilingual information to deliver insights people can actually trust. This is a business solving genuinely hard … and Ruby , and the platform is hosted on AWS (with migration to GCP underway). What Youll Do Design and build scalable microservices in Go , contributing to a growing distributed architecture. Develop intuitive, performant React components that enhance the user experience. Collaborate with Product and Design teams to turn complex requirements into elegant technical solutions. Write clean, testable, and More ❯
City of London, Greater London, UK Hybrid / WFH Options
WeDo
a rapidly scaling Series A DeepTech start-up thats quickly earning a reputation for its AI-driven product, trusted by global customers. Their technology sits at the intersection of distributed systems, AI/ML, and unstructured data helping organisations make sense of complex, multilingual information to deliver insights people can actually trust. This is a business solving genuinely hard … and Ruby , and the platform is hosted on AWS (with migration to GCP underway). What Youll Do Design and build scalable microservices in Go , contributing to a growing distributed architecture. Develop intuitive, performant React components that enhance the user experience. Collaborate with Product and Design teams to turn complex requirements into elegant technical solutions. Write clean, testable, and More ❯
London, South East, England, United Kingdom Hybrid / WFH Options
Salt Search
wants to deepen their expertise in Java microservices , cloud technologies, and Agile delivery . What You'll Be Doing Designing, developing, testing, and deploying Java-based microservices within a distributed, cloud-native environment Working as part of a dedicated feature team , collaborating closely with engineers, architects, and business analysts Producing high-quality, maintainable software that meets both functional and … What We're Looking For Proven experience developing Java software with a strong understanding of object-oriented principles and design patterns Hands-on experience delivering microservices and working within distributed system architectures Knowledge of Agile delivery methods , including CI/CD pipelines and test automation frameworks Strong understanding of programming best practices around security, availability, performance, and observability Excellent More ❯