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    Senior Python Backend Engineer – FastAPI, AWS, Hybrid (London)

    Client Server is seeking a Senior Python Developer/Software Engineer to join their London office in a hands-on role. The successful candidate will build backend services and FastAPIs using Python, as well as integrate LLMs and payment systems. You'll collaborate with a talented team while enjoying flexibility ...

    Senior Backend Engineer Remote UK, API First Cloud Native

    Ocho is seeking a Senior Software Engineer with a strong background in Node.js to work remotely from anywhere in the UK. This role involves building and maintaining scalable server-side systems that support high-traffic digital commerce experiences, with a focus on API design, integrations, and data pipelines ...

    Senior Platform Engineer – Infrastructure (Hybrid/Remote)

    A leading beauty and wellness platform in London is seeking a Senior Platform Engineer to enhance their engineering department. You will focus on defining infrastructure architecture for multi-region deployments and improve processes through automation. The ideal candidate will demonstrate strong software develo ...

    Low Latency Electronic Trading Engineer — Hybrid Role

    Citigroup Inc. is seeking a Software Engineer to join their Equities Electronic-Execution technology team in Greater London. This role focuses on the design and delivery of Citi's low-latency execution platform. You will collaborate with cross-functional teams, improve testing frameworks, and leverage AI tools t ...

    Senior Frontend Engineer, Payments API & Security (Equity)

    A fintech infrastructure company is looking for a Senior Frontend Engineer to join its Cards team. You will design and build robust APIs and UI components for secure card data tokenization. The role involves working with customers to understand complex payment stacks and shipping features end-to-end using Rust a ...

    Lead Architect, Unity Catalog Runtime Enforcement

    A leading data and AI company in London is seeking a Senior Staff Software Engineer to lead the Unity Catalog Runtime Enforcement team. This role involves growing an engineering team, establishing operational models, and driving complex technical projects across the organization. The ideal candidate should have ...

    Senior Java Backend Engineer – Pricing API (London)

    Salt is seeking a Senior Java Software Engineer in Greater London for a 6-month stint focused on designing and scaling a high-performance pricing API. This role involves tackling engineering challenges and contributing to a solution that serves over 28 million UK customers weekly. The ideal candidate w ...

    FPGA DevOps Engineer — Automate Images & CI/CD

    Arm in Cambridge is looking for an enthusiastic DevOps Engineer skilled in FPGA processes and automation. You will work with software and hardware teams to shape DevOps strategies, focusing on image creation, runtime automation, and CI/CD pipeline development. The role requires strong programming skill ...

    Principal Globalization Engineer | Lead Localization

    Anaplan is seeking a Principal Software Engineer in Manchester who will be the technical leader for their internationalization efforts. This role involves defining the long-term technical vision for Anaplan’s platform, leading the design of scalable systems, and mentoring senior engineers. As part of a commitmen ...

    Senior Algo Trading Engineer: Low Latency & SOR

    Citi, located in Greater London, is seeking a Senior Software Engineer to focus on the development of their next-gen Algorithmic Trading platform. You will work closely with traders, quants, and development teams to design and optimize solutions that enhance trading efficiency. The ideal candidate will ...

    Senior Frontend Engineer: Angular & TypeScript, End to End

    Principle is seeking a Senior Front End Software Engineer to join their well-established engineering team in Central London. You will work on a mature internal platform critical for global sales and marketing events. The ideal candidate will have 5 years of experience, with Angular and TypeScript being ...

    Production Grade AI Doctor Agent Architect

    A pioneering health technology company in Greater London seeks an experienced AI Engineer to lead the development of AI agents for preventive health. In this pivotal role, you will own the reasoning engine, design the multi-agent architecture, and ensure production reliability. The ideal candidate has over 8 yea ...

    Hybrid Backend Engineer — Cloud Security (Golang/Java)

    Upwind Security, Inc. in Belfast is seeking an experienced Software Engineer to join our Backend Engineering team. The role involves tackling complex engineering challenges, focusing on the lifecycle of short-life projects using cutting-edge technologies such as Golang, Java, Kubernetes, and Docker. You'll co ...

    Senior Compute Platform Engineer HPC & Cloud

    GlaxoSmithKline is seeking a Senior Compute Platform Engineer to lead the development of a hybrid on-prem/cloud compute platform, enhancing data analysis capabilities for scientists and engineers. Ideal candidates will utilize their expertise in Python, cloud services, and high-performance computing (H ...

    Senior C++ Engineer – High Performance ML & Trading

    Hunter Bond is seeking a C++ 20/23 Software Engineer to join an elite tech-driven trading firm in London. This role offers the chance to build high-performance solutions and work on cutting-edge projects with top technologists in a collaborative environment. With up to £200k compensation and a hybrid w ...

    Senior Low Latency Trading Systems Engineer (Hybrid)

    Citibank (Switzerland) AG in Greater London is seeking a Software Engineer for its Equities Electronic Execution technology team. The role focuses on designing and developing a next-generation low-latency execution platform essential for algorithmic trading and high-throughput market data processing. Candidates ...

    Senior ML Inference & Compiler Engineer

    NVIDIA is seeking a software engineer with a focus on compiler development to join their team in Cambridge, UK. You will be responsible for building and optimizing high-performance runtime and compiler components while collaborating closely with hardware and design teams. The ideal candidate should hol ...

    Senior Java Engineer Scalable Fulfilment Platform

    Tesco UK is seeking a Software Development Engineer (SDE) to join their team in Welwyn Garden City. This role focuses on designing, developing, and implementing a next-generation customer fulfillment system using Java and Spring Boot, aimed at optimizing warehouse operations. Ideal candidates will possess hands- ...

    Lead Power Platform Engineer — Drive Low Code Solutions & Team Growth

    Kainos is seeking a Lead Power Platform Engineer (Consultant) based in Belfast, Northern Ireland. In this role, you will manage teams that develop customer-centric Power Platform solutions. You will be responsible for coaching employees and making key technical decisions while maintaining a focus on user needs. ...

    Cloud Backend Engineer (Golang/Java) – Hybrid AWS

    Upwind Security, Inc. is seeking an experienced Software Engineer to join their Backend Engineering team. This role involves solving complex engineering challenges and continuously improving solutions while working with all major cloud providers (AWS, GCP, Azure). The position operates on a hybrid mode ...

    Linux & Networking Systems Engineer — CI/CD & Hybrid Work

    Elvis Eckardt Recruitment is seeking a Developer/Systems Engineer in Redhill. This permanent role requires a strong software engineering background and experience in CI/CD management. Candidates must hold a NATO passport and have lived in the UK for 5 years. Responsibilities include developing bespoke Linux-base ...

    Senior Platform Engineer (GCP) – Build, Scale & Lead

    Kainos is seeking a Senior Platform Engineer - GCP (Senior Associate) in Birmingham. In this role, you will lead the design of the digital service platform, focusing on automation, deployment, and support. Collaborating with cross-functional teams, you'll employ best practices to ensure high-quality software ...

    Senior Infrastructure Engineer End User Tech

    A prominent technology firm in Warwick is seeking a Senior Engineer to drive strategic and engineering solutions within the Digital Workplace team. This role involves working closely with stakeholders and vendors to implement improvements in user experience and manage complex software and hardware issues. The id ...

    Forward Deployed AI Engineer for Production Solutions

    慨正橡扯 is looking for a Senior Consultant – Forward Deployed Engineer, focusing on AI-enabled systems. This position offers hybrid working, requiring travel to client sites across the UK. The ideal candidate will help design and deliver solutions, collaborating with clients and internal teams to meet pro ...

    Senior Backend Engineer Remote/Hybrid (Scala)

    DEPOP is seeking an experienced Senior Backend Software Engineer to join our team in Greater London. In this role, you will collaborate within a product engineering team to develop services enhancing customer interaction. Your responsibilities include producing high-quality code, taking ownership of pr ...

    DV Cleared Data Science Engineer | Cloud Data Platforms

    A prominent recruitment agency is searching for a Data Science Engineer to support a public sector programme in the UK. This role involves designing robust data processing systems for analytics and machine learning. Candidates should have a strong software engineering background in languages like Java, Python, o ...

    Lead Java Backend Engineer: AI & Event Driven FX Systems

    Citi is seeking an experienced software engineer to design, develop, and maintain high-performance Java services. This role will involve applying modern backend design principles, including Domain-Driven Design, while collaborating with cross-functional teams to address complex business needs. Successf ...

    Music AI Engineer: Build World Class AI Tools for Artists

    Universal Music Group UK is looking for an AI Engineer to design and implement machine learning solutions in a collaborative environment. The role focuses on automating royalty calculations and integrating AI models into products, working at the intersection of creativity and technology. The ideal cand ...

    Senior DevOps Engineer: AWS, Terraform, Kubernetes (Remote)

    A leading provider of customer care software is seeking a Senior DevOps Engineer to enhance their CI/CD capabilities and infrastructure. This is a fully remote or flexible hybrid role based in the UK, ideal for individuals with strong expertise in AWS, Kubernetes, and Terraform. The role involves developing Clou ...

    Senior Fullstack Engineer Platform & Systems Architect

    Outsmart Insight in Greater London is looking for a Senior Fullstack Software Engineer to design, build, and maintain production systems driving the company’s platform. This role provides operational responsibility and the chance to make real architectural decisions. The ideal candidate will have 8-15 ...

    Senior Identity Platform Engineer Auth, OAuth & AI Tools

    Ripple is seeking a Senior Software Engineer to join our Authentication & Authorization platform team in Greater London. In this role, you will own key components of identity management across our products, influencing our authentication flows and integrations. The ideal candidate will have strong back ...

    Backend Engineer II Java/Spring, Scale & Observability

    Tesco UK is seeking a Software Development Engineer II to join their Lists and Substitutions Team. You will develop backend APIs using Java and Spring Boot and contribute to enriching customer shopping experiences. This role offers a collaborative environment with opportunities for growth in backend engineeri ...

    IoT Engineer — Build Secure, Scalable Connected Devices

    A technology company in the energy sector is seeking an IoT Engineer to design and scale connected hardware for the Energy Network. The role encompasses connectivity, device security, and cloud integration while working closely with firmware, hardware, and software teams. The ideal candidate should have a Bachel ...

    Trading Data Platform Engineer Real Time Greenfield

    XTX Markets is looking for a Software Engineer to join their new Trading Data Technology team in London. This role involves the design and implementation of the Trading Data platform, which is in the initial stages of development. Candidates should have 3 to 5 years of experience, a solid grounding in computer s ...

    Staff Platform Engineer – Core Cloud Platform

    Fanatics is seeking a Staff Platform Engineer to join our Platform Engineering team based in the UK or Ireland. This role is essential for overseeing the platforms that power Fanatics Betting & Gaming’s software ecosystem. Responsibilities include driving technical design, architecting cloud-native platforms on ...

    Senior Backend Engineer Scalable AI Systems

    A pioneering technology start-up is seeking a Senior Backend Engineer to build and scale its innovative software infrastructure in London. The successful candidate will be responsible for designing robust web applications and managing cloud-based infrastructures on Azure. Essential skills include expertise in Ku ...

    ML Systems Engineer: RL Training & Containerized SWE Infra

    A cutting-edge AI development firm in London is seeking an ML Systems Engineer to develop and manage synthetic data generation pipelines for training Lumen models. You will design containerized services and participate in end-to-end model training. The ideal candidate has 3-5 years of software engineering experi ...

    Senior Azure DevOps Engineer: Cloud Platform & Security

    A dynamic software company in Birmingham is looking for a Senior DevOps Engineer to lead the development of a modern Azure cloud platform for a rapidly growing SaaS product. The ideal candidate will collaborate closely with diverse teams to enhance the reliability and scalability of the infrastructure. Key respo ...

    Senior Drainage Engineer – Roads & Flood Risk (Hybrid)

    WSP in the UK & Ireland is seeking a Senior Engineer with extensive postgraduate experience in drainage design, specifically for major civil engineering schemes. This role involves delivering high-quality engineering services, preparing technical reports, and developing design solutions for transportation and ...

    Highways & Drainage Design Engineer | Project Lead

    A growing engineering consultancy in the UK is seeking a Civil Engineer to join their Transport & Infrastructure team. The role involves preparing detailed designs, managing projects, and ensuring compliance with client briefs. Candidates should have a BEng in Civil Engineering and a minimum of 3 years' experien ...

    Mechanical Design Engineer, Water & Wastewater Systems

    A critical infrastructure company in Langstone is looking for a Mechanical Design Engineer to design and deliver mechanical solutions for water treatment assets. This role involves producing detailed designs, ensuring compliance with industry standards, and providing project support. The ideal candidate will hav ...

    Senior Solutions Engineer, EMEA | AI Platform & Governance

    LaunchDarkly is hiring a Senior Solutions Engineer in Greater London to drive the transition from feature management to AI governance. This role involves engaging with enterprise clients, leading technical evaluations, and fostering internal champions for successful software delivery. Ideal candidates should hav ...

    Senior QA Automation Engineer Scale & CI/CD

    A digital business in the tech sector is seeking a Senior Test Engineer to join their Software Engineering Team in London. This role involves leading the design and development of automated testing solutions, mentoring junior engineers, and ensuring high-quality releases across applications. The ideal candidate ...

    Associate Backend Engineer Search & Retrieval Impact

    Depop Limited is looking for an Associate Backend Software Engineer to join the Search Retrieval team. In this role, you will collaborate closely with Product Managers, Data Scientists, and fellow Engineers to design and implement solutions that will support over 1 million active daily users. You will ...

    Senior AI Accelerator Simulation Engineer

    A cutting-edge AI company based in Greater London is seeking a Senior Simulation Engineer to develop innovative hardware simulations for AI accelerators. The ideal candidate will possess excellent C/C++ skills, have experience with hardware simulators like QEMU, and understand low-level hardware. This role offer ...

    BMS Controls Engineer | Install, Commission & Maintain

    VIGO Recruitment is seeking a skilled BMS Controls Engineer located in Leeds, United Kingdom. This position offers a competitive salary between £47,000 and £52,000 per annum and emphasizes professional development within a dynamic, innovative business. The successful candidate will lead the installatio ...

    Senior Controls SI Engineer — Hybrid, PLC/SCADA Lead

    NRL’s client is seeking a Lead Controls SI Engineer for a permanent position in Warrington, with a hybrid working arrangement. The role involves managing the workload of the team and working closely with the Project Manager to meet project milestones. You will create streamlined control systems from user requ ...

    Senior AI Engineer — Agent Assist & Cloud ML

    JPMorganChase is seeking a Software Engineer III to join their AI team focused on developing advanced Agent Assist platforms. You will design, build, and deploy machine learning models to automate agent workflows while collaborating with backend, Salesforce, and AWS engineers. The ideal candidate will ...

    Lead AI/ML Platform Engineer (Python, AWS)

    Fairygodboss is seeking a Lead Software Engineer in Greater London to join the Applied Artificial Intelligence and Machine Learning team. The successful candidate will be integral to transforming operations at one of the world's largest banks. Responsibilities include developing high-quality applications usin ...

    Senior Lead SRE: Reliability, Observability & Resiliency

    JPMorgan Chase & Co. is seeking a Senior Lead Site Reliability Engineer in Glasgow, Scotland. This role is pivotal for enhancing the reliability and observability of critical platforms. You will lead technical initiatives and contribute significantly to business impact through your expertise. The ideal ...

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