city application. Collaborate with surveyors, architects, and engineers to transform complex data into immersive visualisations and scalable tools . Work with modern technologies such as Unity 2022+, C#, PostgreSQL / PostGIS, Azure DevOps, and Cesium for Unity , delivering solutions that support smarter, more sustainable cities. The Role This position offers the opportunity to design and develop advanced applications that … web applications. Building and maintaining RESTful APIs and microservices. Writing clean, efficient, and scalable code in Unity, C#, JavaScript, and TypeScript. Developing spatial databases and optimised queries using PostgreSQL / PostGIS. Supporting full testing cycles, product upgrades, and change management processes. Collaborating with cross-functional teams to deliver robust, future-ready solutions. What They're Looking For Strong Unity … development experience, including URP / HDRP pipelines, Addressables, and Job System . Skills in C# (.NET 6 / 8), Cesium for Unity, PostgreSQL / PostGIS, and Entity Framework Core . Familiarity with modern frontend frameworks such as React with TypeScript . Strong Agile, DevOps, and CI/CD experience. An interest in More ❯
City of London, London, United Kingdom Hybrid / WFH Options
Reed Technology
delivery of features, ensuring the software is scalable, speedy, and of high quality. Architect, develop, and maintain core components of our SaaS platform: Backend: Python, PostgreSQL Frontend: TypeScript, NextJS / NodeJS Integrate AI tools, APIs, and data pipelines to enhance platform intelligence. Promote engineering best practices such as testing, CI/CD, and secure … years in a lead developer role. Proven track record in leading small, high-performing engineering teams in fast-paced environments. Deep expertise in full-stack development, including: TypeScript / JavaScript (NextJS, NodeJS, Tailwind) Python (Django, Flask, or FastAPI) PostgreSQL Experience with building and scaling SaaS platforms in production. Strong background in software architecture, microservices, and API design. Hands-on … experience with cloud platforms (AWS, Azure, or GCP). Excellent communication skills, capable of motivating and aligning technical teams. Desirable: Experience with AI tools, APIs, ML pipelines, containerisation (Docker / Kubernetes), event-driven architecture (Kafka / RabbitMQ). Benefits: Hybrid working model (minimum 3 days a week in office) 25 days annual leave plus bank holidays Flexible holiday More ❯
projects from PoC through to mission-critical deployments serving 100s–1000s of users. What You’ll Do Design agentic systems – Own the agent loop (plan → act → reflect), orchestration (DAG / state machine), and memory management. Build robust tooling – Create schemas, retries, rate limits, and SDKs for safe extensibility. Engineer memory & knowledge services – Implement episodic / semantic memory, retrieval … APIs, deduping, and summarisation agents. Productionise at scale – Deploy containerised systems (K8s, serverless, GPU pools), implement CI/CD, observability, and auto-scaling. Ensure robustness – Apply guardrails, cost / latency budgets, checkpointing, and critic / reviewer patterns. Evaluate rigorously – Build automated evaluation harnesses, use golden sets, retriever validation, and drift monitoring. Engage stakeholders … Run workshops, roadmap sessions, and maturity assessments, translating complex AI concepts into actionable strategies. What We’re Looking For Required: Proven track record building and deploying LLM / agentic systems into production. Strong software engineering foundations: orchestration, memory, deployment, monitoring. Familiarity with agentic architectures (e.g. LangGraph, ReAct, CoT loops) and / or ability to build without frameworks. Confident More ❯
Firefox developers to do their best work. What you'll do: Improve Firefox development workflows to reduce time spent testing and debugging test failures as well as more integration / automation of workflows Work with a geographically-distributed development team Mentor other team members and be mentored by more senior team members Collaborate with other teams by providing code … you'll bring: Experience with Python frameworks (e.g., FastAPI, Flask, Django), Cloud Services (e.g., GCP, AWS) and REST Solid understanding of databases and SQL Experience with CI/CD systems (e.g., GitHub Actions, CircleCI) and test harnesses Comfortable working cross-platform, familiar with at least 2 of: Windows, Linux, Mac, Android Commitment to our values … Being relationship-minded Having grit A deep understanding of version control systems Experience with containerization and continuous delivery / deployment, particularly with Docker Experience with CI of large scale projects Comfortable with data analysis What you'll get: Generous performance-based bonus plans to all eligible employees - we share in our success as one team Rich medical More ❯
features. Collaborate with the Senior Backend Engineer (Telco Integration) to consume and orchestrate the proprietary network signals that power our Security Shield. Work with the Product Manager and UX / UI Designer to translate complex product requirements and the 1000ms UX flow into a concrete technical reality. Collaborate with the DevOps Engineer on CI/CD … with distributed systems, 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 APIs (eg, LLMs, STT / TTS, or other complex services) into production systems. Experience with containerization (Docker, Kubernetes) and deploying / managing services on a major More ❯
City of London, London, United Kingdom Hybrid / WFH Options
Ventula Consulting Limited
features. Collaborate with the Senior Backend Engineer (Telco Integration) to consume and orchestrate the proprietary network signals that power our Security Shield. Work with the Product Manager and UX / UI Designer to translate complex product requirements and the 1000ms UX flow into a concrete technical reality. Collaborate with the DevOps Engineer on CI/CD … with distributed systems, 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 APIs (e.g., LLMs, STT / TTS, or other complex services) into production systems. Experience with containerization (Docker, Kubernetes) and deploying / managing services on a major More ❯
City of London, London, United Kingdom Hybrid / WFH Options
Ventula Consulting Limited
features. Collaborate with the Senior Backend Engineer (Telco Integration) to consume and orchestrate the proprietary network signals that power our Security Shield. Work with the Product Manager and UX / UI Designer to translate complex product requirements and the 1000ms UX flow into a concrete technical reality. Collaborate with the DevOps Engineer on CI/CD … with distributed systems, 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 APIs (e.g., LLMs, STT / TTS, or other complex services) into production systems. Experience with containerization (Docker, Kubernetes) and deploying / managing services on a major More ❯
features. Collaborate with the Senior Backend Engineer (Telco Integration) to consume and orchestrate the proprietary network signals that power our Security Shield. Work with the Product Manager and UX / UI Designer to translate complex product requirements and the “1000ms UX flow” into a concrete technical reality. Collaborate with the DevOps Engineer on CI/CD … with distributed systems, 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 APIs (e.g., LLMs, STT / TTS, or other complex services) into production systems. Experience with containerization (Docker, Kubernetes) and deploying / managing services on a major More ❯
features. Collaborate with the Senior Backend Engineer (Telco Integration) to consume and orchestrate the proprietary network signals that power our Security Shield. Work with the Product Manager and UX / UI Designer to translate complex product requirements and the "1000ms UX flow" into a concrete technical reality. Collaborate with the DevOps Engineer on CI/CD … with distributed systems, 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 APIs (e.g., LLMs, STT / TTS, or other complex services) into production systems. Experience with containerization (Docker, Kubernetes) and deploying / managing services on a major More ❯
buckinghamshire, south east england, united kingdom Hybrid / WFH Options
Rightmove
thrives in environments where reliability, scale, and impact truly matter. At Rightmove, you'll join a close-knit, collaborative AI team that's developing, shipping and operating live ML / AI services that help Rightmove deliver exceptional experiences and value to consumers, our partners and all our stakeholders across the UK property market. You'll be at the heart … 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 up rollback / recovery processes. Using MLOps tools (e.g., Vertex Pipelines, Kubeflow, Weights & Biases) for experiment tracking, model registry, and automated deployment. Leveraging Docker / Kubernetes and workflow orchestration tools (Airflow … Prefect, Dagster). Collaborating with product, design, and engineering teams to deliver ML features that directly impact customer experience. Translating model performance into business metrics (e.g., accuracy vs cost / latency trade-offs). Monitoring deployed solutions in production and automating retraining as needed. Sharing knowledge across the data and AI community at Rightmove. We're looking for someone More ❯
Senior Data Engineer | Up to £110,000 | Remote (2 days / quarter in London) We’re partnering with a fast-growing, product-led organisation building industry-leading digital platforms used globally. They’re scaling their data function and seeking a Senior Data Engineer to help shape the next generation of their data products and infrastructure. You’ll work in … a modern, cloud-first environment with real autonomy — designing and building data pipelines, improving infrastructure, and driving innovation across the data platform. Tech Stack: 🔹 Snowflake 🔹 Python (FastAPI, Pydantic) 🔹 Airflow / Dagster 🔹 AWS + Terraform 🔹 CI/CD (GitHub Actions) (Bonus: Kafka, dbt / SQLMesh, data quality & governance tools) What’s on Offer: 💰 Up More ❯
Senior Data Engineer | Up to £110,000 | Remote (2 days / quarter in London) Ensure you read the information regarding this opportunity thoroughly before making an application. We're partnering with a fast-growing, product-led organisation building industry-leading digital platforms used globally. They're scaling their data function and seeking a Senior Data Engineer to help shape … a modern, cloud-first environment with real autonomy — designing and building data pipelines, improving infrastructure, and driving innovation across the data platform. Tech Stack: Snowflake Python (FastAPI, Pydantic) Airflow / Dagster AWS + Terraform CI/CD (GitHub Actions) (Bonus: Kafka, dbt / SQLMesh, data quality & governance tools) What's on Offer: Up More ❯
strategy with Docker and Kubernetes . Stay ahead of industry trends, conduct POCs, and deliver technical recommendations. What We’re Looking For 10+ years’ experience in Linux systems administration / platform engineering . Proven technical leadership in hardware optimisation, kernel tuning, and network / storage performance . Hands-on experience with DevOps and CI/CD tooling (Terraform, Ansible, GitLab, Jenkins). Programming / scripting knowledge in Python, Golang, or similar . Experience with metrics visualisation tools (Splunk, Prometheus, Grafana). Knowledge of containerisation and orchestration (Docker, Kubernetes). Experience in hedge funds, trading firms, or other low-latency / HPC environments is highly desirable. More ❯
City of London, London, United Kingdom Hybrid / WFH Options
Alexander Ash Consulting
strategy with Docker and Kubernetes . Stay ahead of industry trends, conduct POCs, and deliver technical recommendations. What We’re Looking For 10+ years’ experience in Linux systems administration / platform engineering . Proven technical leadership in hardware optimisation, kernel tuning, and network / storage performance . Hands-on experience with DevOps and CI/CD tooling (Terraform, Ansible, GitLab, Jenkins). Programming / scripting knowledge in Python, Golang, or similar . Experience with metrics visualisation tools (Splunk, Prometheus, Grafana). Knowledge of containerisation and orchestration (Docker, Kubernetes). Experience in hedge funds, trading firms, or other low-latency / HPC environments is highly desirable. More ❯
London, South East, England, United Kingdom Hybrid / WFH Options
Sanderson
work closely with multidisciplinary teams to deliver scalable, secure, and user-focused solutions. Key Responsibilities Develop microservices using Java (Spring Boot). Build responsive front-end applications using JavaScript / TypeScript, React, HTML, and CSS. Use Git-based version control and CI/CD pipelines (GitHub, GitLab, Jenkins). Containerize applications using Docker and More ❯
Lead Software Engineer - .NET 8 | £600 / day Outside IR35 | Manchester (Hybrid / Remote – 2x per week maximum onsite) We’re looking for a Lead Engineer (Contract) to drive the development of scalable, secure, and high-performance cloud-native applications using .NET 8 and AWS . This is a hands-on leadership role, ideal for someone who thrives … AWS, Docker, and Terraform Design and implement secure authentication and authorisation systems (OAuth, OIDC) using tools such as Okta, Auth0, Passport, or IdentityServer Promote and implement CI/CD , TDD , and DevOps methodologies to streamline delivery Collaborate closely with architects, product managers, and stakeholders to shape technical strategy Solve complex engineering challenges to enhance scalability … resilience, and performance Technical Stack Backend: .NET 8, C#, AWS Lambda, ECS Fargate, EKS Databases: DynamoDB, Aurora, DocumentDB (MongoDB experience a bonus) Auth / Identity: OAuth, OIDC, Okta, Auth0, Passport, IdentityServer DevOps & Infrastructure: Terraform, GitHub Actions, Docker Event Systems: Kafka, AWS MSK, EventBridge, SNS / SQS Frontend: React Must Have Proven track record of integrating or building authentication More ❯
Wotton-Under-Edge, Gloucestershire, South West, United Kingdom Hybrid / WFH Options
Renishaw PLC
Salary £45,000 - £55,000 depending on experience. Location Wotton-under-edge, Gloucestershire Hybrid working - min 3 days / week onsite (little to no public transport) We are seeking an enthusiastic Full Stack Software Engineer to join our team. You will be working on customer-facing web applications and associated backend systems. You will have at good commercial experience … of implementing responsive websites using modern JavaScript frameworks / libraries and backend APIs. As a member of our Agile development team, you will be initially focused on backend application development and can extend your experience and skillset across our full technology stack. You will also be expected to assist us in supporting several legacy applications as we migrate them … Development and maintenance of Azure logic apps and function apps. Build and consume RESTful APIs and manage data flow between front-end and back-end systems. Collaborate with UX / UI designers, product managers, and other developers to deliver high-quality solutions. Ensure application performance, scalability, and security. Write clean, maintainable, and well-documented code. Participate in code reviews More ❯
Server, Cosmos DB. Own mission‐critical modules such as pricing engines, itinerary or form builders, client proposal app, etc. Write clean, tested code; automate everything from CI/CD pipelines (Azure DevOps / GitHub Actions) to performance benchmarks. Investigate and diagnose issues and perform root cause analysis. Collaborate cross-functionally with Product, Design, and More ❯
Winchester, Hampshire, United Kingdom Hybrid / WFH Options
Tria
engineer who takes ownership, communicates clearly, and thrives in a collaborative Agile environment. Essential: 5+ years of experience in Java development Strong knowledge of SQL and web services (REST / SOAP) Solid understanding of software design principles Experience working on enterprise-scale systems Strong analytical and communication skills Desirable: Familiarity with Spring / Spring Boot and CI/CD tools Background in financial services or similar complex environments What's on Offer Salary up to £60,000 Flexible hybrid working (2 days in office) Supportive and collaborative team culture Clear technical progression pathway More ❯
Worcestershire, United Kingdom Hybrid / WFH Options
Tria
engineer who takes ownership, communicates clearly, and thrives in a collaborative Agile environment. Essential: 5+ years of experience in Java development Strong knowledge of SQL and web services (REST / SOAP) Solid understanding of software design principles Experience working on enterprise-scale systems Strong analytical and communication skills Desirable: Familiarity with Spring / Spring Boot and CI/CD tools Background in financial services or similar complex environments What's on Offer Salary up to £60,000 Flexible hybrid working (2 days in office) Supportive and collaborative team culture Clear technical progression pathway More ❯
Worcestershire, England, United Kingdom Hybrid / WFH Options
TRIA
engineer who takes ownership, communicates clearly, and thrives in a collaborative Agile environment. Essential: 5+ years of experience in Java development Strong knowledge of SQL and web services (REST / SOAP) Solid understanding of software design principles Experience working on enterprise-scale systems Strong analytical and communication skills Desirable: Familiarity with Spring / Spring Boot and CI/CD tools Background in financial services or similar complex environments What’s on Offer Salary up to £60,000 Flexible hybrid working (2 days in office) Supportive and collaborative team culture Clear technical progression pathway More ❯
Colden Common, Hampshire, United Kingdom Hybrid / WFH Options
Tria
engineer who takes ownership, communicates clearly, and thrives in a collaborative Agile environment. Essential: 5+ years of experience in Java development Strong knowledge of SQL and web services (REST / SOAP) Solid understanding of software design principles Experience working on enterprise-scale systems Strong analytical and communication skills Desirable: Familiarity with Spring / Spring Boot and CI/CD tools Background in financial services or similar complex environments What's on Offer Salary up to 60,000 Flexible hybrid working (2 days in office) Supportive and collaborative team culture Clear technical progression pathway More ❯
Central London / West End, London, United Kingdom Hybrid / WFH Options
Opus Recruitment Solutions
EdTech Frontend Developer – Vue / Nuxt (Mid-Level+) I am looking for a Frontend Developer with 2+ years' experience working with modern web technologies to join my clients team who are in the EdTech space! Core Skills: Vue.js & Nuxt 4 (Vite, Composition API, Pinia, Nuxt Plugins) TypeScript / JavaScript (ES6) – clean, maintainable, typesafe code RESTful API integration Responsive … UI using HTML, TailwindCSS, and CSS3 Bonus if you’ve worked with: NuxtUI Framework Frontend security (COOP / COEP, CORS, CSP) CI/CD pipelines (GitHub Actions) Deploying to Vercel, AWS, or similar Supabase Auth & Postgres Docker for local dev Nice-to-haves: Origin Private Filesystem & SQLite WASM for browser persistence WebWorkers for background More ❯
Backend / Infrastructure Engineer - 6-Month Contract (Inside IR35) Start Date: 1st December 2025 Location: Fully Remote Day Rate: £350 per day Clearance: BPSS required Experience: Previous NHS or Government experience essential We're seeking a mid-to-senior level Backend / Infrastructure Engineer to join a 6-month engagement focused on maintaining and upgrading a Java / … understand the system and business processes, while sharing your expertise in modern cloud-based development practices. Key Responsibilities Maintain and enhance a Java monolithic application with an Oracle PL / SQL database . Pair with current developers to transfer knowledge and improve processes. Contribute to modernisation efforts by applying TDD, Agile, and CI/CD … and automating support tasks. Ideal Candidate Profile Strong backend development experience, ideally with SQL knowledge. Passion for databases and data-driven problem-solving. Comfortable working with legacy Oracle PL / SQL code and improving it. Skilled in Test-Driven Development and collaborative Agile environments. Familiarity with Python or willingness to learn. Excellent communication and stakeholder management skills. More ❯
ideally within a SaaS, fintech, or payments environment. Strong object-oriented programming background — any OOP language (Java, C++, Python, etc.) as long as you’re comfortable working with .NET / C# . Solid full-stack capability, including experience with modern JavaScript frameworks (React preferred). Strong understanding of cloud platforms (AWS, Azure, or GCP) and familiarity with DevOps practices … CI/CD, containers, IaC). Experience designing and integrating APIs , databases (SQL / NoSQL), and distributed systems. Strong problem-solving skills with a pragmatic approach to architecture and delivery. Excellent collaboration and communication skills — able to work cross-functionally and explain technical concepts clearly. Desirable: Experience with 3rd-party integrations or event-driven More ❯