1,176 to 1,200 of 1,262 Senior Software Engineer Jobs in the UK

Code Wizards are one of the world's leaders in Game and Esports Tech. We're in a period of growth and looking to bolster our software engineering capabilities. We are on the lookout for an experienced Unreal Engine Engineer to join our team on a freelance/contract basis. This role is all about multiplayer, networking, and More ❯

digital foundations that will define how humans and AI learn from each other pioneering technology that is set to transform the way intelligent systems evolve. The Role Were seeking Senior Software Engineers with a product builder mindset to help shape and scale a cutting-edge platform. Youll work across a modern tech stack (Python, TypeScript, Vue.js, AWS/ More ❯

foundations that will define how humans and AI learn from each other — pioneering technology that is set to transform the way intelligent systems evolve. The Role We’re seeking Senior Software Engineers with a product builder mindset to help shape and scale a cutting-edge platform. You’ll work across a modern tech stack (Python, TypeScript, Vue.js, AWS More ❯

My client is a tech-focused market-maker with groundbreaking success in the high frequency trading space. They're looking for Software Engineers to join their core team where your focus will be ensuring the infrastructure provides a stable, performant and trusted foundation upon which their systems and applications can be built. You'll own projects that push the More ❯

with winning are paramount. Our interview process involves several technical interviews and we aim to complete them within 1 week. Overview As Speechify expands, our AI team seeks a Senior Backend Engineer. This role is central to ensuring our infrastructure scales efficiently, optimizing key product flows, and constructing resilient end-to-end systems. If you are passionate about strategizing More ❯

with winning are paramount. Our interview process involves several technical interviews and we aim to complete them within 1 week. Overview As Speechify expands, our AI team seeks a Senior Backend Engineer. This role is central to ensuring our infrastructure scales efficiently, optimizing key product flows, and constructing resilient end-to-end systems. If you are passionate about strategizing More ❯

with winning are paramount. Our interview process involves several technical interviews and we aim to complete them within 1 week. Overview As Speechify expands, our AI team seeks a Senior Backend Engineer. This role is central to ensuring our infrastructure scales efficiently, optimizing key product flows, and constructing resilient end-to-end systems. If you are passionate about strategizing More ❯

with winning are paramount. Our interview process involves several technical interviews and we aim to complete them within 1 week. Overview As Speechify expands, our AI team seeks a Senior Backend Engineer. This role is central to ensuring our infrastructure scales efficiently, optimizing key product flows, and constructing resilient end-to-end systems. If you are passionate about strategizing More ❯

working environment Experience in the financial markets, especially in delta one, store of value, and/or FICC options trading Experience with Linux-based, concurrent, high-throughput, low-latency software systems Experience with pipeline orchestration frameworks (e.g. Airflow, Dagster) Experience with streaming platforms (e.g. Kafka), data lake platforms (e.g. Delta Lake, Apache Iceberg), and relational databases Have a Bachelor More ❯

countries, markets, and clients. Abstract specific problems into generic building blocks that clients can use to build and modify their systems. You will be working in a multi-disciplinary software engineering team; solving design challenges; domain modeling; solving technical problems; engineering solutions for smart meters; writing robust fault-tolerant software primarily in Python, Celery, and async processing. We More ❯

Responsibilities In this hands-on role, you will develop cloud-native applications using C#, TypeScript, and modern JavaScript frameworks. You will take ownership of end-to-end build and release pipelines using Azure DevOps and implement Infrastructure as Code. Salary More ❯

Espire Infolabs is hiring for Front End Developer(React.js) for London, UK location. Role : Front End Developer(React.js) Location: London, UK(3 Days/Week onsite) Desired Industry Experience: 5+ years Relevant Experience: React.Js, Typescript, Azure Job Description: Proven experience More ❯

Golang experience, who is an expert in another language, i.e. Python, Java, C# etc., who can work autonomously and make a fast impact in a dynamic environment. 10+ years software engineering experience in enterprise environments 1+ years golang experience and understanding of its unique applications Strong background in multiple other major programming languages Financial markets experience is preferred but More ❯

We are a highly technical company who pride ourselves in the quality of our people and the projects we deliver. The successful candidate will have a strong interest in software engineering and a good work ethic as well as the ability to work well in a team and with customers. In return we can offer a good variety of … projects, an environment where we explore new and better ways of delivering software systems and a good work/life balance. Essential skills and proven expertise in the following: Degree level qualified in a computer science/software development discipline or STEM related subject Strong problem-solving skills Experience of languages such as Python would be an advantage More ❯

Lead Java Engineer – London | £140k + Shares Java 21, Spring Boot, Microservices, TDD, BDD, REST, AWS, React You know that feeling when you’re not just writing code, you’re building the engine behind something that moves money, manages risk, and scales globally? That’s exactly what this team is doing. They’re a fast-growing FinTech tackling cross … all high-impact. No legacy systems or old fluff to get through. Just clean architecture, smart engineering, and a product already making serious waves. You’ll join a small, senior team building real-time financial infrastructure from the ground up, card payments, transaction booking, FX flows, the kind of systems that need to be fast, secure, and bulletproof. Tech … stack: Java 21 (you’ll need experience with Java 17+, must), Spring Boot, PostgreSQL, AWS, TDD, CI/CD, React. As a Lead Engineer, you’ll have the freedom to shape the team, influence architecture, and build things the right way. They’re in-office just 1–2 days a week in London, backed by serious investors, and scaling More ❯

Lead Java Engineer – London | £140k + Shares Java 21, Spring Boot, Microservices, TDD, BDD, REST, AWS, React You know that feeling when you’re not just writing code, you’re building the engine behind something that moves money, manages risk, and scales globally? That’s exactly what this team is doing. They’re a fast-growing FinTech tackling cross … all high-impact. No legacy systems or old fluff to get through. Just clean architecture, smart engineering, and a product already making serious waves. You’ll join a small, senior team building real-time financial infrastructure from the ground up, card payments, transaction booking, FX flows, the kind of systems that need to be fast, secure, and bulletproof. Tech … stack: Java 21 (you’ll need experience with Java 17+, must), Spring Boot, PostgreSQL, AWS, TDD, CI/CD, React. As a Lead Engineer, you’ll have the freedom to shape the team, influence architecture, and build things the right way. They’re in-office just 1–2 days a week in London, backed by serious investors, and scaling More ❯

to be at the heart of the energy transition. The aim is to enable customers to release £30bn of value per annum from distributed energy resources (DERs) through a Software as a Service (SaaS) subscription model with a global addressable market of £2.4 billion per year, by digitally connecting hundreds of thousands of DERs with energy markets. KrakenFlex is … to have experience/expertise in the following (in rough priority order): Python Django (or equiv. web framework) Domain modelling HTTP and REST APIs Writing robust and fault-tolerant software Celery and async processing Postgres Plus experience in the following would be a bonus: AWS Terraform, Packer, Consul Why else you'll love it here Wondering what the salary More ❯

be joining a small, high-impact team, shaping the daily lives of our 50,000 engineers globally by building the platform where engineers can see all parts of the software development life cycle , such as code reviews, JIRAS and deployments, all tied together into a workflow in near real-time . This is a n exciting technical challenge for More ❯

Requirements: 5+ years of professional Python development experience including 3+ years of strong experience in FastAPI Experience with REST APIs, async programming , and API lifecycle management. Solid understanding of software engineering best practices (testing, CI/CD, version control, design patterns). Familiarity with NumPy, Pandas, and PyTorch/TensorFlow is a plus. Good to have : Exposure to Reinforcement More ❯

to have experience/expertise in the following (in rough priority order): Python Django (or equiv. web framework) Domain modelling HTTP and REST APIs Writing robust and fault-tolerant software Celery and async processing Postgres Plus experience in the following would be a bonus AWS Terraform, Packer, Consul Why else you'll love it here Wondering what the salary More ❯

Plexus has partnered with a next-generation blockchain infrastructure provider that helps protect users from front-running attacks, recover excess gas costs, and unlock additional value within transaction flows. Their platform supports multiple chains, is built for resilience and scale More ❯

Plexus has partnered with a next-generation blockchain infrastructure provider that helps protect users from front-running attacks, recover excess gas costs, and unlock additional value within transaction flows. Their platform supports multiple chains, is built for resilience and scale More ❯

Plexus has partnered with a next-generation blockchain infrastructure provider that helps protect users from front-running attacks, recover excess gas costs, and unlock additional value within transaction flows. Their platform supports multiple chains, is built for resilience and scale More ❯

Plexus has partnered with a next-generation blockchain infrastructure provider that helps protect users from front-running attacks, recover excess gas costs, and unlock additional value within transaction flows. Their platform supports multiple chains, is built for resilience and scale More ❯

Plexus has partnered with a next-generation blockchain infrastructure provider that helps protect users from front-running attacks, recover excess gas costs, and unlock additional value within transaction flows. Their platform supports multiple chains, is built for resilience and scale More ❯