1 to 25 of 65 Senior Software Engineer Jobs in the Thames Valley

Working for an industry leading, high-growth SaaS business, the Senior Software Engineer will build innovative next-gen solutions that are at the forefront of the industry. In this role, the Senior Software Engineer will be given full autonomy, taking ownership from design phase … backend experience). This area is the future of the company (and the industry!) and as such has strong investment and visibility. The Senior Software Engineer will be responsible for leading the design, build and deployment of industry leading software solutions. You'll work in collaboration ...

Senior Software Engineer | Up to £650 Outside IR35 per day | 12-month contract Senior Software Engineer Type: Remote - UK Rate: Up to £650 per day Outside IR35 A renowned cybersecurity company is searching for a driven Senior Software Engineer to assist … hosted on public cloud platforms. You will design and deploy robust frontend client, backend services, infrastructure automation, and cloud-native solutions by utilising your software development knowledge and your DevOps proficiency across AWS and GCP. Desired Skills: Golang GCP, AWS Kubernetes (cloud-native), Terraform This is a great opportunity ...

Senior Software Engineer | Up to £650 Outside IR35 per day | 12-month contract Senior Software Engineer Type: Remote - UK Rate: Up to £650 per day Outside IR35 A renowned cybersecurity company is searching for a driven Senior Software Engineer to assist … hosted on public cloud platforms. You will design and deploy robust frontend client, backend services, infrastructure automation, and cloud-native solutions by utilising your software development knowledge and your DevOps proficiency across AWS and GCP. Desired Skills: Golang GCP, AWS Kubernetes (cloud-native), Terraform This is a great opportunity ...

Senior Software Engineer | Up to £650 Outside IR35 per day | 12-month contract Senior Software Engineer Type: Remote - UK Rate: Up to £650 per day Outside IR35 A renowned cybersecurity company is searching for a driven Senior Software Engineer to assist … hosted on public cloud platforms. You will design and deploy robust frontend client, backend services, infrastructure automation, and cloud-native solutions by utilising your software development knowledge and your DevOps proficiency across AWS and GCP. Desired Skills: Golang GCP, AWS Kubernetes (cloud-native), Terraform This is a great opportunity ...

Software Engineer - Hybrid UK - £60000 What is in it for you? As a talented Software Engineer you can expect: A supportive and adaptive culture Access to a structured training and career progression plan Opportunities to take the lead on critical projects and enhance your career Great … salary - Up to £60000 base and Package (neg for the right person) We are helping an innovative technology business scale their Software team in in the UK. Their software powers some of the worlds leading consumer brands across the banking, digital commerce and retail experience software space. ...

Senior Software Engineer - Hybrid - Salary £70K (DOE) We're currently working with a growing SaaS company based in Oxford that have an exciting job opening for a Senior Software Engineer skilled with C# .NET, Angular, and SQL. You will be guiding architectural decisions, ensuring … rolled out nationally. Part of this position will involve driving the adoption and effective use of emerging AI-assisted development tools and AI Software in the development life cycle (e.g., Cursor, v0) to enhance team productivity and innovation. Essential Experience: Proven experienced leading/mentoring software engineering teams ...

Senior Software Engineer (Golang) London – Hybrid flexible Up to £80,000 + equity We're currently partnered with a real-time sports data platform that is revolutionising how companies leverage data to empower their business. They are looking for a performance focused Senior Engineer with … stage start-up and contribute to building a company that puts its internal teams and customers first. This is an exciting opportunity for a Senior Software Engineer to help shape the future of a transformative real-time data platform. If you're passionate about building world-class ...

Senior Embedded Software Engineer Salary: Up to £100,000 Location: London - 3 days a week We're working with a rapidly growing tech for good company that is transforming how data, automation, and smart integrations shape the future of digital infrastructure. Their platform optimises real-time operations … connecting users with seamless, intelligent technology solutions. We are looking for a modern, innovative and driven Senior Embedded Software Engineer to join their growing team. They are looking for someone who has commercial experience working with C software development in an IoT, hardware or embedded solutions ...

Senior Software Engineer Location: Onsite, London, United Kingdom Type: Full-time Compensation: Negotiable (Competitive salary + equity) About Ontik Ontik is an ambitious, early-stage B2B financial operations platform designed to streamline and simplify complex financial workflows for heavy duty industries. We're scaling rapidly and looking … high-performance, ownership-driven environment, where you can make a direct impact on the product and help shape its future. Role overview As a Software Engineer (Full-Stack) at Ontik, you'll play a pivotal role in building and scaling our financial operations platform. This is a hands ...

Senior Software Engineer Lead complex engineering work | Azure | .NET | Distributed Systems At GTreasury, we build software that sits at the heart of the CFO's office. Our SaaS platform handles complex financial workflows at global scale - and we're investing heavily in the next phase … growth. We're hiring a Senior Software Engineer who enjoys solving hard problems, influencing technical direction, and mentoring others while staying close to the code. Core Tech Stack C#/ASP.NET Core Azure (cloud architecture & services) Microsoft SQL Server Modern JavaScript frameworks (Angular experience a plus ...

Senior Software Engineer (Python - FastAPI) This fast-growing consultancy is pushing the boundaries of AI and data science, helping clients turn complex challenges into scalable, production-ready solutions. They're now hiring a Senior Software Engineer who can blend deep technical expertise with … above What You'll Be Doing: Leading the end-to-end design and build of applications that utilise advanced AI and data-led software solutions. Developing scalable data pipelines and backend services that support complex modelling work. Setting standards for clean, efficient engineering across Python(FastAPI), SQL and cloud ...

Senior Software Engineer Location: London (4 days on site) We're looking for a Senior Software Engineer to play a key role in designing, building, and maintaining critical parts of a modern, user-facing platform. This is a hands-on role where ...

Senior Software Engineer (Robotics) London (On-site, 5 days/week) Permanent role with excellent on-site benefits We're looking for a Senior Software Engineer to help turn our advanced robotics stack into a dependable, real-world product. This is a hands … write production code, integrate subsystems, and work directly with robots in both simulation and hardware environments . You'll build application-level software that connects control, navigation, perception, learning, and platform systems—ensuring they operate as a seamless, reliable whole. Expect cross-disciplinary collaboration, rapid iteration, and solving practical ...

Senior Software Engineer (.Net & Angular) - £70,000 – £85,000 pa + 25% Bonus + Benefits I am working with a leading professional services client in London that are looking for a Senior Software Engineer with full stack capabilities to join a small but talented ...

Senior Software Engineer - Hybrid - Salary £70K (DOE) We're currently working with a growing SaaS company based in Oxford that have an exciting job opening for a Senior Software Engineer skilled with C# .NET, Angular, and SQL. You will be guiding architectural decisions, ensuring ...

Senior Python software engineer - with strong Maths background Are you a software engineer who thrives on building robust, scalable products with a strong foundation in mathematics and analytics? We're specifically looking for an engineer—not a data scientist—to join ScanmarQED … Senior Python Software Engineer and play a key role in developing the core technology behind our Pulse platform—a product used by leading companies worldwide to solve complex optimization and modeling challenges. You'll collaborate with an international team, take ownership of product modules, and help drive ...

Senior Software Engineer (.NET) Financial Services Consultancy | Payments & Gateways ?? Oxford area (Hybrid - 3 days in office) ?? £70,000 base + discretionary bonus I'm currently working with a well-established financial services technology consultancy based in the Oxford area . The business specialises in delivering complex, high … banks, FinTech's, and payment providers, with projects heavily focused on payment integrations and gateway platforms . They're looking to hire a Senior Software Engineer to join their engineering team, someone who can combine hands-on development with mentoring and technical leadership. The Opportunity This ...

build real world value. Are you ready to elevate your career? At Ripple Labs Inc., we offer an outstanding opportunity for a Senior Software Engineer to join our top-tier team in London. As a part of our dynamic and ambitious group, you will play … role in crafting and developing groundbreaking software solutions that drive innovation and success! Responsibilities As a Senior Software Engineer, you will: Design, develop, and implement software systems that meet meticulous quality standards. Work with diverse teams to define technical needs and deliver impeccable solutions. Lead ...

Senior Software Engineer (Full-stack) - Permanent | On-Site | London Join a rapidly scaling US-backed startup at a pivotal moment. With significant funding secured and strong momentum, they are establishing their UK presence and offering exceptional equity opportunities for early team members. As a Senior Software Engineer, you'll work across our Python and TypeScript stack, contributing wherever the team needs you most. What You'll Be Doing: Develop and maintain FastAPI (Python) and Next.js (TypeScript) applications. Own features end-to-end - from user interface through to infrastructure and internal tooling. Navigate and contribute ...

Software Engineer (C++) – Media Infrastructure A leading organisation in live video production systems is seeking an experienced Software Engineer to join their engineering team. This company powers major global sporting events, news studios, and broadcast operations around the world, delivering high‐performance technology relied upon … broadcast control platform responsible for orchestrating complex media workflows across SDI, IP, and hybrid environments. It’s a chance to work on mission‐critical software with a business recognised globally for excellence in live production technology. The Role As a Software Engineer, you will design and develop ...

Senior Software Engineer Location: London (x3 days a week onsite) Salary: Up to £80k DOE Type: Perm Job Description We are looking for a passionate Senior Java Engineer in London to lead the design and development of core product features and services that power … used by thousands of travellers on a daily basis. As a Senior Java Engineer for an loyalty program team, you will have the opportunity to make a massive impact on traveller's behaviour and booking experience. Specifically, you'll be responsible for driving improvements to loyalty offerings that ...

next generation of AI models to assist artist workflows. See the result yourself Passcode: scaneverything About the role We are looking for a Senior Software Engineer to own the 3D asset processing and rendering infrastructure in Marso Measure, our desktop material capture application for Windows. …/game workflows and wants to work at a startup connecting frontier AI to 3D asset creation. Where you will have impact As a Senior Software Engineer you will own the 3D rendering and asset processing systems that power our material estimation technology and ship Marso Measure ...

Senior Software Engineer experienced in C, C#, XAML, C# .NET (Framework & Core), WPF, MVVM, C CLI and C++, with experience using .NET/.NET Core frameworks and cloud-based architectures such as AWS. Software Engineers will develop project applications, graphical software, developing cross-platform, graphical … data analysis and device-configuration for software applications. Software Engineers will have experience of leading major projects involving Web client/server applications. Software Engineers with coding experience in C, C++, C#, C# .NET (Framework & Core), WPF, MVVM, C CLI will have some of the following experience ...

Senior Software Engineer (Python) Up to £130,000 + excellent benefits (including work from abroad) Hybrid - 2 days onsite in Central London (London Bridge) Are you a Senior Python Engineer who loves solving deep technical challenges? Want to help reinvent how future hardware is created … building a revolutionary platform that turns high-level hardware requirements into complete circuit designs. You'll work on complex problems at the crossroads of software, data and engineering, collaborating with experts across multiple disciplines. What You'll Do Own and evolve backend systems across data models, algorithms, infrastructure ...

Senior Software Development Engineer in Test (SDET) with expertise in building modern .NET automation frameworks (Playwright/xUnit/NUnit) will take ownership of automation framework design and engineering led test strategy for a pioneering technology company.Hybrid working and a competitive salary to C£60K. Requirements … Senior Software Development Engineer in Test/QA Engineer include: Proven experience working in a Senior QA/SDET/Test Automation Engineer role. Expertise in .NET/C# test automation framework development including Playwright, xUnit, NUnit. Experience testing RESTful APIs and distributed systems. ...