Senior Backend Engineer Overview We are seeking a deeply technical and security-minded Senior Backend Engineer to join a newly-founded, high-impact AI joint venture. Backed by five of the world's leading telecommunications giants, our mission is to restore trust in global voice communication. Our mission is to restore trust in voice communication by … This product features an AI agent that screens unknown callers as they ring, provides a live transcript, and allows for mid-call user intervention. As the Senior Backend Engineer for Application & AI Orchestration, your central challenge will be solving the cumulative latency puzzle. You will be singularly responsible for orchestrating a best-in-class, buy, don't build … AI stack (STT - LLM - TTS) to deliver a seamless, natural, and responsive voice-to-voice (V2V) experience, targeting a sub-1000ms latency from the moment a caller stops speaking to the moment our AI begins its response. You won't just be integrating APIs; you will be architecting the Real Time, high-throughput nervous system of our core More ❯
City of London, London, United Kingdom Hybrid / WFH Options
Ventula Consulting Limited
Senior Backend Engineer (Application & AI Orchestration) Overview We are seeking a deeply technical and security-minded Senior Backend Engineer to join a newly-founded, high-impact AI joint venture. Backed by five of the world's leading telecommunications giants, our mission is to restore trust in global voice communication. Our mission is to restore trust in … This product features an AI agent that screens unknown callers as they ring , provides a live transcript, and allows for mid-call user intervention. As the Senior Backend Engineer for Application & AI Orchestration, your central challenge will be solving the cumulative latency puzzle. You will be singularly responsible for orchestrating a best-in-class, buy, don't build … AI stack (STT ? LLM ? TTS) to deliver a seamless, natural, and responsive voice-to-voice (V2V) experience, targeting a sub-1000ms latency from the moment a caller stops speaking to the moment our AI begins its response. You won't just be integrating APIs; you will be architecting the real-time, high-throughput nervous system of our core More ❯
sophisticated, next-generation automation platform. Their engineers utilise robotics for automation, whilst their scientists develop scalable solutions. Their software team look to interface hardware components within this technology stack as well as provide analytics and metrics. As a Software Engineer, you will join this growing team and be provided guidance from senior members of the software … of-town location of their offices (in south Cambridgeshire), being able to drive/cycle or willingness to take public transport is highly desirable. Note, only applicants with full rights to work in the UK indefinitely without the need for company sponsorship will be considered (applicants with restricted time-limited visas will not be progressed). Keywords: C++ More ❯
Manchester, Lancashire, England, United Kingdom Hybrid / WFH Options
Lorien
I'm looking for a Senior .NET Software Engineer to work on impactful, in-house platforms with a forward-thinking engineering team. My client is an established technology-driven company based in the North West of England, and are hiring a permanent .NET developer to help drive innovation and build robust software solutions that scale. The Role You … ll play a key role in developing and maintaining my clients internal software platforms, working across the full development lifecycle. The ideal candidate will have strong experience with backend technologies and a proactive approach to cloud-native development. Location This is a remote-first role, but we're ideally looking for someone based within a commutable distance of … the North West for occasional team collaboration days. Tech Stack C#/.NET (Core and Framework) Azure cloud services Kubernetes (AKS) RESTful APIs & Microservices SQL & NoSQL databases CI/CD & modern DevOps practices Experience Solid experience in .NET software engineering (C#) Strong cloud experience, ideally with Azure Familiarity with containerisation & orchestration (Kubernetes preferred) Good understanding of software architecture More ❯
Tech Stack: React, NestJS, cloud platforms, Docker, Kubernetes, modern frontend/mobile tools. Location: Fully remote Salary: up to £84,000 Benefits: Share/bonus scheme, 6% matched pension and other Contract type: Full time, permanent Sanderson Recruitment are exclusively supporting a FTSE 100 Financial Services and Insurance business in the search for a Staff Software … opportunity to provide technical leadership, drive engineering best practices, and deliver scalable, high-quality solutions that support the organisation’s long-term technology goals. As a Staff Software Engineer, you will provide technical direction across multiple teams, mentor engineers, and play a key role in shaping the technical roadmap. You’ll collaborate with senior leadership to ensure engineering … facilitate clear communication and knowledge sharing. Identify and address technical debt, ensuring sustainability and continuous improvement. Required Skills and Experience Significant experience as a Senior or Staff Software Engineer Expertise in React and NestJS, including server-side rendering, state management, and API development. Strong background in designing micro frontend (MFE) architectures and optimising CI/CD, automation, and More ❯
Sheffield, South Yorkshire, England, United Kingdom Hybrid / WFH Options
Adria Solutions
Senior C# Software Engineer Are you a talented C# and Azure developer ready to take ownership of innovative projects across Web, Desktop, and Cloud environments Our client, a well-established and forward-thinking software development company, is expanding its team and seeking an exceptional Senior C# Software Engineer to help shape the next generation of their … it’s a chance to lead projects, influence architecture, and make a measurable impact on the products you help deliver. About the Role As a Senior C# Software Engineer, you’ll play a key role in delivering high-quality, scalable, and performant software across a range of cutting-edge systems - from cloud-based platforms to on-premise solutions.You … ll work closely with a team of talented developers and stakeholders, contributing to technical decisions and ensuring best practices are followed throughout the development lifecycle. Tech Stack You’ll Work With Languages & Frameworks: C#, .NET Core, ASP.NET Core MVC, Web API Cloud & Data: Azure Functions, Azure Storage, Cosmos DB, Azure SQL UI & Front-End: WPF, Blazor, SignalR, Skia More ❯
by industry investors, ID5 operates as a remote-first company with a commitment to innovation, inclusion, and global collaboration. Role Overview: We are looking for a versatile Data Engineer with a strong relation to Java backend engineering to join our Graph Delivery team and help build, extend, and maintain customer-facing graph solutions. You will work on large … Collaborate with Product, Solution Consulting, and Sales Engineering to deliver solutions for our most strategic customers—whether next-generation innovations or custom-tailored adaptations. Take ownership of the full problem space, spanning data storage and pipelines through to APIs, metadata, and UIs Improve and extend existing products with new features, cost optimizations, and reliability enhancements, while addressing technical … pipelines, monitoring, and observability tools (Grafana or equivalent). Exposure to analytics, reporting, and BI tools such as Apache Superset, Lightdash or OpenSearch Willingness to work across the stack by contributing to API development and, at times, UI components (Vue.js, Zoho, or similar). Excellent communication and collaboration skills, with the ability to work independently and adapt quickly More ❯
Process 3 Stage Interview Stage 1 - Discussion with our Hiring Manager (30mins): A chance to talk with our Hiring Manager in more detail about the role, our tech stack and some of the problems we solve every day. Here, we'll dig a bit more into some of your experiences, understand the processes you're familiar with and … in the office to connect, collaborate, and enjoy everything the space has to offer. Remote flexibility for deep focus, work-life balance, and personal productivity. This is a full-time role , working 37.5 hours per week , Monday to Friday. More ❯
Stage Interview Stage 1 - Discussion with our Hiring Manager (30 mins): A chance to talk with our Hiring Manager in more detail about the role, our tech stack and some of the problems we solve every day. Here, we'll dig a bit more into some of your experiences, understand the processes you're familiar with and the … in the office to connect, collaborate, and enjoy everything the space has to offer. Remote flexibility for deep focus, work-life balance, and personal productivity. This is a full-time role , working 37.5 hours per week , Monday to Friday. More ❯
Software Engineer | Front End - React | London - Hybrid Take the next step in your career now, scroll down to read the full role description and make your application. Our client is a forward-thinking global firm that's redefining the future of finance through technology. They are looking for a Front-End React Engineer who … join a dynamic development team, responsible for building the tools, platforms, and applications that empower investment professionals across the business. The team is currently re-architecting its technology stack to become fully cloud-native (AWS), using React for front-end development and Python for backend services. You'll be working in a culture that values craftsmanship, test-driven … Curious, collaborative, and always eager to improve. Someone who values diversity of thought and thrives in an inclusive, forward-thinking workplace. If you are interested in this Software Engineer role, please apply directly with your updated CV or email it to chantelle.smith@sourcegroupinternational.com More ❯
Senior Software Engineer - Reporting & Delivery Engineering page is loaded Senior Software Engineer - Reporting & Delivery Engineeringlocations: London, GBRtime type: Full timeposted on: Posted Todaytime left to apply: End Date: November 30, 2025 (30+ days left to apply)job requisition id: R29828FactSet creates flexible, open data and software solutions for over 200,000 investment professionals worldwide … anyone, anywhere, at any time, and that curiosity is the key to anticipating our clients' needs and exceeding their expectations.The Analytics Reporting group is seeking a Senior Software Engineer to join the Publisher Infrastructure team.This team is primarily responsible for the design and development of the Publisher Service, FactSet's premier cloud-based reporting platform. This service drives … components, and interactive data, and these services are critical to that functionality.The team: 2 Software engineers based in the USA and 4 Software Engineers based in the UKTechnical stack: AWS, .NET, Docker, SQL, NoSQL, WPF, Terraform, Jira, Confluence Responsibilities: Contribute new features, fixes, and refactors to the team's services. Perform code reviews and coach engineers on best More ❯
Yarnton, Kidlington, Oxfordshire, England, United Kingdom Hybrid / WFH Options
Noir
Machine Learning Engineer Machine Learning Engineer - AI for Advanced Materials - Oxford/Remote (UK) (Tech stack: Python, PyTorch, TensorFlow, Scikit-learn, MLflow, Airflow, Docker, Kubernetes, AWS, Azure, GCP, Pandas, NumPy, SciPy, CI/CD, MLOps, Data Visualization, Bayesian Modelling, Probabilistic Programming, Terraform) We're looking for a Machine Learning Engineer to join … where every model could change an industry, you'll fit right in. Our client is seeking Machine Learning Engineers with experience in some or all of the following (full training provided to fill any gaps): Python, PyTorch, TensorFlow, Scikit-learn, MLflow, Airflow, Docker, Kubernetes, Pandas, NumPy, SciPy, CI/CD, Data Visualization, Bayesian Modelling, Probabilistic Programming, Terraform, Azure … AWS, GCP, Git, and Agile methodologies. Join a team that's fusing AI, science, and engineering to push the boundaries of what's possible. All Machine Learning Engineer positions come with the following benefits: * Competitive salary with annual performance-based bonuses * Equity options - share in the company's long-term success * Private healthcare and comprehensive wellbeing package * Generous More ❯
Senior C# Software Engineer Are you a talented C# and Azure developer ready to take ownership of innovative projects across Web, Desktop, and Cloud environments? Our client, a well-established and forward-thinking software development company, is expanding its team and seeking an exceptional Senior C# Software Engineer to help shape the next generation of their … it's a chance to lead projects, influence architecture, and make a measurable impact on the products you help deliver. About the Role As a Senior C# Software Engineer, you'll play a key role in delivering high-quality, scalable, and performant software across a range of cutting-edge systems - from cloud-based platforms to on-premise solutions. … You'll work closely with a team of talented developers and stakeholders, contributing to technical decisions and ensuring best practices are followed throughout the development lifecycle. T ech Stack You'll Work With Languages & Frameworks: C#, .NET Core, ASP.NET Core MVC, Web API Cloud & Data: Azure Functions, Azure Storage, Cosmos DB, Azure SQL UI & Front-End: WPF, Blazor More ❯
Full job description: Senior Software Engineer - k6 Core About k6 At k6, we build next-generation reliability testing tools for developers and DevOps engineers. We are pushing forward the state-of-the-art in our industry, creating open-source tools that have great developer experience and enable engineers to build reliable systems. k6 is an open … source tool that we built to reinvent the engineering principles around performance testing and enable engineers to build systems that scale. About the role: Senior Software Engineer - k6 Core You will be one of five developers and maintainers of k6, a modern open-source tool for performance testing, written in Go. k6 was released publicly in early … and the Tour de France. Grafana Labs also helps more than 3,000 companies - including Bloomberg, JPMorgan Chase, and eBay - manage their observability strategies with the Grafana LGTM Stack, which can be run fully managed with Grafana Cloud or self-managed with the Grafana Enterprise Stack, both featuring scalable metrics (Grafana Mimir), logs (Grafana Loki), and More ❯
Senior Software Engineer (Python/AWS) 📍 Location: London or Manchester 💼 Employment Type: Full-time, Permanent About the Role We’re looking for a Senior Software Engineer with deep experience in Python and AWS to help design, build, and scale distributed, data-driven Ad-Tech systems. You’ll lead the delivery of cross-service features … technical capability across the team. Contribute to technical roadmap: Collaborate with Product, Design, and Data teams to align on priorities and ensure value is delivered incrementally. Core Tech Stack Languages: Python (FastAPI, Flask, or Django) Cloud: AWS (Lambda, ECS/Fargate, S3, DynamoDB, CloudWatch, API Gateway) Data & Messaging: PostgreSQL, Redis, Kafka or SQS CI/CD & Infrastructure: Docker … logging, and performance optimisation. Familiarity with modern security and data-privacy best practices. Excellent communicator who can document and articulate technical trade-offs clearly. Behaviours & Attributes Ownership: Takes full responsibility for systems from design to operation. Pragmatism: Balances long-term architecture with delivery velocity. Influence: Raises standards and mentors others across engineering disciplines. Growth Mindset: Continuously improves processes More ❯
Senior Software Engineer (Python/AWS) 📍 Location: London or Manchester 💼 Employment Type: Full-time, Permanent About the Role We’re looking for a Senior Software Engineer with deep experience in Python and AWS to help design, build, and scale distributed, data-driven Ad-Tech systems. You’ll lead the delivery of cross-service features … technical capability across the team. Contribute to technical roadmap: Collaborate with Product, Design, and Data teams to align on priorities and ensure value is delivered incrementally. Core Tech Stack Languages: Python (FastAPI, Flask, or Django) Cloud: AWS (Lambda, ECS/Fargate, S3, DynamoDB, CloudWatch, API Gateway) Data & Messaging: PostgreSQL, Redis, Kafka or SQS CI/CD & Infrastructure: Docker … logging, and performance optimisation. Familiarity with modern security and data-privacy best practices. Excellent communicator who can document and articulate technical trade-offs clearly. Behaviours & Attributes Ownership: Takes full responsibility for systems from design to operation. Pragmatism: Balances long-term architecture with delivery velocity. Influence: Raises standards and mentors others across engineering disciplines. Growth Mindset: Continuously improves processes More ❯
Senior Software Engineer (Python/AWS) Location: London or Manchester Employment Type: Full-time, Permanent About the Role We're looking for a Senior Software Engineer with deep experience in Python and AWS to help design, build, and scale distributed, data-driven Ad-Tech systems. You'll lead the delivery of cross-service features … technical capability across the team. Contribute to technical roadmap: Collaborate with Product, Design, and Data teams to align on priorities and ensure value is delivered incrementally. Core Tech Stack Languages: Python (FastAPI, Flask, or Django) Cloud: AWS (Lambda, ECS/Fargate, S3, DynamoDB, CloudWatch, API Gateway) Data & Messaging: PostgreSQL, Redis, Kafka or SQS CI/CD & Infrastructure: Docker … logging, and performance optimisation. Familiarity with modern security and data-privacy best practices. Excellent communicator who can document and articulate technical trade-offs clearly. Behaviours & Attributes Ownership: Takes full responsibility for systems from design to operation. Pragmatism: Balances long-term architecture with delivery velocity. Influence: Raises standards and mentors others across engineering disciplines. Growth Mindset: Continuously improves processes More ❯
Senior Software Engineer (Python/AWS) 📍 Location: London or Manchester 💼 Employment Type: Full-time, Permanent About the Role We’re looking for a Senior Software Engineer with deep experience in Python and AWS to help design, build, and scale distributed, data-driven Ad-Tech systems. You’ll lead the delivery of cross-service features … technical capability across the team. Contribute to technical roadmap: Collaborate with Product, Design, and Data teams to align on priorities and ensure value is delivered incrementally. Core Tech Stack Languages: Python (FastAPI, Flask, or Django) Cloud: AWS (Lambda, ECS/Fargate, S3, DynamoDB, CloudWatch, API Gateway) Data & Messaging: PostgreSQL, Redis, Kafka or SQS CI/CD & Infrastructure: Docker … logging, and performance optimisation. Familiarity with modern security and data-privacy best practices. Excellent communicator who can document and articulate technical trade-offs clearly. Behaviours & Attributes Ownership: Takes full responsibility for systems from design to operation. Pragmatism: Balances long-term architecture with delivery velocity. Influence: Raises standards and mentors others across engineering disciplines. Growth Mindset: Continuously improves processes More ❯
Senior Software Engineer (Python/AWS) 📍 Location: London or Manchester 💼 Employment Type: Full-time, Permanent About the Role We’re looking for a Senior Software Engineer with deep experience in Python and AWS to help design, build, and scale distributed, data-driven Ad-Tech systems. You’ll lead the delivery of cross-service features … technical capability across the team. Contribute to technical roadmap: Collaborate with Product, Design, and Data teams to align on priorities and ensure value is delivered incrementally. Core Tech Stack Languages: Python (FastAPI, Flask, or Django) Cloud: AWS (Lambda, ECS/Fargate, S3, DynamoDB, CloudWatch, API Gateway) Data & Messaging: PostgreSQL, Redis, Kafka or SQS CI/CD & Infrastructure: Docker … logging, and performance optimisation. Familiarity with modern security and data-privacy best practices. Excellent communicator who can document and articulate technical trade-offs clearly. Behaviours & Attributes Ownership: Takes full responsibility for systems from design to operation. Pragmatism: Balances long-term architecture with delivery velocity. Influence: Raises standards and mentors others across engineering disciplines. Growth Mindset: Continuously improves processes More ❯
london (city of london), south east england, united kingdom
Creo Recruitment
Senior Software Engineer (Python/AWS) 📍 Location: London or Manchester 💼 Employment Type: Full-time, Permanent About the Role We’re looking for a Senior Software Engineer with deep experience in Python and AWS to help design, build, and scale distributed, data-driven Ad-Tech systems. You’ll lead the delivery of cross-service features … technical capability across the team. Contribute to technical roadmap: Collaborate with Product, Design, and Data teams to align on priorities and ensure value is delivered incrementally. Core Tech Stack Languages: Python (FastAPI, Flask, or Django) Cloud: AWS (Lambda, ECS/Fargate, S3, DynamoDB, CloudWatch, API Gateway) Data & Messaging: PostgreSQL, Redis, Kafka or SQS CI/CD & Infrastructure: Docker … logging, and performance optimisation. Familiarity with modern security and data-privacy best practices. Excellent communicator who can document and articulate technical trade-offs clearly. Behaviours & Attributes Ownership: Takes full responsibility for systems from design to operation. Pragmatism: Balances long-term architecture with delivery velocity. Influence: Raises standards and mentors others across engineering disciplines. Growth Mindset: Continuously improves processes More ❯
period of impressive growth across their technology team, creating opportunity to work on challenging projects and contribute to the development of its digital platforms. As a Senior Software Engineer, you will play a pivotal role in the development, maintenance, and evolution of key digital platforms, working across the full technology stack to deliver secure … clear verbal and written communication. Proactive, pragmatic, and focused on delivery, with a growth mindset and willingness to coach and share knowledge within the team. This is a full-time, permanent role offering a starting salary up to £65,000 (DOE) and a remote-first working model. Please Note: You must be a UK resident to apply for More ❯
Java Engineer 1st Floor, Centre House, Chichester Street, Belfast, County Antrim, BT1 4JR, United Kingdom, Belfast, Full-time Company Description We believe in the power of ingenuity to build a positive human future. As strategies, technologies, and innovation collide, we create opportunity from complexity. Our teams of interdisciplinary experts combine innovative thinking and breakthrough technologies to … Deepen your expertise through our a culture of learning and growth - you'll have budget to take courses (technical and non-technical training), plus gain certifications Our tech stack While we advocate for using the right tech for the right task, you can expect to work with the following technologies to ensure scalable, high-performance applications: .NET (including More ❯
Backend Engineer Remote, UK 6 Month Contract An incredible opportunity for an experienced Backend Engineer with advanced Go skills to join a prestigious tech client on a contract basis. This company is renowned for its engineering excellence - and it's not just the tech stack or the day rate that stands out. Contractors here … regularly speak highly of the fast-moving, collaborative culture where autonomy, impact, and smart decision-making are front and centre. As a Backend Engineer, you'll be working on mission-critical, data-intensive applications that push the boundaries of technology, taking ownership of the full software engineering lifecycle, including design, development, and implementation. You'll join … to leave things better than they found them, whether it's a piece of code, a flaky test, or a README. Reporting into an Engineering Manager, the Backend Engineer will leverage modern technologies like AWS, Kubernetes, Docker, and Kafka, while also architecting and implementing microservices-based solutions in collaboration with cross-functional teams. You won't just be More ❯
Backend Engineer Remote, UK 6 Month Contract An incredible opportunity for an experienced Backend Engineer with advanced Go skills to join a prestigious tech client on a contract basis. This company is renowned for its engineering excellence - and it's not just the tech stack or the day rate that stands out. Contractors here … regularly speak highly of the fast-moving, collaborative culture where autonomy, impact, and smart decision-making are front and centre. As a Backend Engineer, you'll be working on mission-critical, data-intensive applications that push the boundaries of technology, taking ownership of the full software engineering lifecycle, including design, development, and implementation. You'll join … to leave things better than they found them, whether it's a piece of code, a flaky test, or a README. Reporting into an Engineering Manager, the Backend Engineer will leverage modern technologies like AWS, Kubernetes, Docker, and Kafka, while also architecting and implementing microservices-based solutions in collaboration with cross-functional teams. You won't just be More ❯
London, England, United Kingdom Hybrid / WFH Options
Cint
countries who consent to sharing their opinions, motivations, and behaviours. We are feeding the world’s curiosity! Job Description The Opportunity Cint seeks a Cloud Infrastructure (DevOps) Engineer to join our Infrastructure team, reporting to the Infrastructure Engineering Manager. As a Cloud Infrastructure (DevOps) Engineer at Cint, you will be an efficient problem solver, learn on … the next decade. We are compulsive about infrastructure as code (nothing in our platform is created or deployed unless via a code change) and driven to achieve a full end to end continuous deployment pipeline. What We Are Looking For You will be someone that shares our values and ambitions and can bring something to the team that … we can benefit from. It might be prior experience of the journey, architectural insight into cloud native systems, specific technology expertise in parts of our stack or a combination of them all. Whatever it is, you will be the kind of person that is energised by complex challenges, teamwork and problem solving. Qualifications Required qualifications: You have experience More ❯