26 to 50 of 126 Senior Software Engineer Jobs in Slough

Senior Software Engineer II – Cloud-Native & AI Solutions | Global Fintech Innovator We’re partnering with a cutting-edge global fintech company at the forefront of AI-powered decisioning and analytics to find a talented Senior Software Engineer II . This company has recently been … how financial institutions leverage data, AI, and cloud technologies to accelerate smarter decision-making. This is a high-impact role ideal for an experienced engineer who thrives on innovation and is passionate about cloud-native applications, AI/ML product development, and technical leadership within high-performing teams What More ❯

Role: Senior Software Engineer Location: Remote Day Rate: £600.00 - £700.00 (Outside IR35) Contract Duration: 6 Months We are currently recruiting for a Senior Software Engineer for a client in the e-commerce space, you will be responsible for the tech behind everything from scheduling … and CI/CD workflows Improve system documentation and knowledge sharing Ensure secure and reliable data handling (GDPR-compliant) Key Skills: 5+ years in software engineering, ideally with PHP and MySQL/MariaDB Strong AWS experience (EC2, RDS, S3) Comfortable working with legacy and bespoke systems Skilled in security More ❯

Title : Senior Software Engineer Company : HPC R&D Location : London (very flexible hybrid) Pay : Up to £160,000 + bonus and benefits Company : An advanced HPC R&D firm, looking to expand their Driver team. Most of the team are ex-Big-Tech, ex-FAANG or ex … technical leadership. If you want to work alongside some of the brightest, most enthusiastic people in the industry, this may be worth exploring. Role : Senior Software Engineer position. You will be a significant hire spearheading much of their 2025 development. Much of the team will be built … stack, focusing on the performance and efficiency of graphics and compute workloads on cutting-edge GPU architectures. About you: 6 years+ as a driver engineer Strong C++ or C programming skills Experience with OpenCL or Vulkan (other graphics APIs are also fine) Strong knowledge of GPU development Full details More ❯

Title : Senior Software Engineer Company : HPC R&D Location : London (very flexible hybrid) Pay : Up to £170,000 + bonus + benefits Company : An advanced HPC R&D firm, looking to expand the UK compiler team. Most of the team are ex-Big-Tech, ex-FAANG or … technical leadership. If you want to work alongside some of the brightest, most enthusiastic people in the industry, this may be worth exploring. Role : Senior Software Engineer position with an emphasis on AI Compiler development in the context of AI. You will be working with Triton, but … edge compiler development project. Significant hires have already been made in the team to support this role. About you: 6 years+ as a compiler engineer Strong C++ programming skills Experience with Triton, LLVM, MLIR or other compilers Experience with GPU architectures Full details are available. Please don't hesitate More ❯

Senior Software Engineer - Client Identity We are seeking a Senior Software Engineer to join a newly formed cybersecurity team based in Europe. This role is pivotal in shaping secure and seamless digital experiences for hundreds of thousands of clients across the UK and Europe. More ❯

Senior Embedded Software Engineer Linlithgow (Hybrid - 2 days per week in office) Very Competitive Salary + 5% Pension + 32 days holiday + Performance Bonus + Share Incentive Plan + Healthcare Scheme + Income Protection + Life Assurance + Flexible Working Hours + Sponsorship available Excellent opportunity … for an Embedded Software engineer looking to join a stock market listed business, renowned for their supportive culture and award winning training opportunities. This company are a well-established, international and industry leading Networking Solutions specialist that develops, manufactures, and supports complex and innovative products for a range … of telecoms and network providers. In this role you will work alongside product owners to turn high level system requirements into software features. You will complete the full development lifecycle for embedded software through to integration and testing. You will also be responsible for debugging of system level More ❯

Senior Software Engineers + Software Engineer] [Python/AWS] [Fully Remote from within Northern Ireland/ROI] The way software is built is constantly evolving. This platform makes it easy for companies—especially big enterprises with hundreds of teams and thousands of developers—to securely … update and share software, using the cloud. You'll get to help developers, security, platform engineers, to work smarter and safer. This is by developers, for developers. They've just raised Series B and you'll have direct impact on further success. Every team member has experienced significant personal … are open across different squads : Platform - SSE [Responsible for lots of core platform] Webapp - SSE [API Heavy/3rd Party Integrations] Artifact mgmt SaaS - Software Engineer [Core product/Python+Django) It's a Python house with everything hosted on AWS, so you will need to come strong in More ❯

Senior Software Developer Location: Bristol (Hybrid – 2/3 Days Onsite) Job Type: Permanent Clearance Requirement: SC Eligible The Opportunity We’re working with a leading defence organisation on a key hire for a Senior Software Developer to join their embedded systems team. This is a … hands-on, high-impact role developing real-time software for next-generation systems where performance and reliability are critical. Whether leading delivery or solving complex low-level challenges in C/C++ or Ada, you'll be at the core of safety-critical defence technologies—offering both deep technical … engagement and long-term career growth. What You’ll Do • Lead or support the design, development, and integration of embedded software for advanced real-time platforms • Collaborate with systems, hardware, and safety teams to deliver certified software solutions that meet strict performance and security standards • Engage directly with More ❯

Senior Software Engineer - £100k+ London – Hybrid/3 days a week onsite This spectacular company are revolutionising their industry by building software platform in the healthcare industry. Utilising AI, this platform is acting as a central ecosystem for health professionals and patients. Your work will be … will thrive in small team environments and contribute to building an application from the ground up in Elixir utilising modern cloud architecture. As a Senior Software Engineer, you will formulate and champion best development practices and contribute to the building of a world-class team and business … this technology - the legacy fluff. You will focus on high-reliability engineering and assist with architecting an integration to interface millions of hardware infrastructures. Software within the healthcare system is being left behind - and they are here to change this. Skills: You will ideally have strong experience in Elixir More ❯

Senior Software Engineer – AI Startup – Up to 120k 🚀🧠 💰 Salary: £70,000 - £120,000 + meaningful equity 🏙️ Location : London, flexible working arrangements, ideally 1/2 days in office 💻 Tech Stack : Python, Flask, FastAPI, React, TypeScript, GCP (Backend Leaning) Our y-combinator backend client are building an elite … world problems with the latest in AI and LLMs, this role is for you. In this role, you’ll: 🔧 Build and ship high-impact software 🧠 Work on AI/LLM-powered automation tools used in production 🏗️ Help shape scalable systems and infrastructure 🌍 Work collectively across teams to push the … their stack ✅ Understand the working dynamics of a fast paced start-up If this role sounds like it could be of interest, apply now! Senior Software Engineer – AI Startup – Up to 120k More ❯

Senior Software Engineer – AI-Enabled Projects | Remote (UK) | £70,000–£90,000 Want to future-proof your career while shaping the next era of software delivery? Are you a seasoned software engineer who thrives on building clean, modern solutions to replace outdated systems? Do … for growing UK and international businesses, replacing outdated architectures with modern, scalable solutions. What You’ll Be Doing: Working end-to-end on greenfield software projects that replace legacy systems or building end-to-end solutions for startups. Taking the lead on architecture, development, deployment, and testing - no hand … value. Flat structure, high trust: Small teams, high autonomy, zero micromanagement. Future-focused: You’ll be at the forefront of a new model for software delivery, combining engineering best practices with cutting-edge AI capabilities. Ready to lead the charge in AI-enabled software engineering? Apply now and More ❯

Senior Software Engineer Fully Remote, excellent package and incredible opportunity We're looking for a Senior Software Engineer to join a fast-moving team building tools used by thousands of real-world users. You'll collaborate closely with Product, Design, and Customer Success to … and engage directly with customers to make sure what you're building actually works for them. What You’ll Be Doing Writing production-grade software in Ruby on Rails and React Native Leading on technical and architectural decisions across the stack Collaborating cross-functionally with Product, Design, and Customer More ❯

Role: Senior Software Engineer – Trading Systems 🌍 Location: London - hybrid (meet once a month) 💰 Salary: £150,000 to £200,000 + Guaranteed and Performance Bonus' 🛠 Key Skills: Rust, Trading Systems/Exchanges, Crypto/Blockchain An innovative fintech start-up, backed by significant private investment, is looking for … an exceptional Senior Software Engineer to build its next-generation trading platform from scratch. Combining traditional finance expertise with blockchain innovation, the company offers a unique opportunity to shape critical financial infrastructure at the earliest stage. You will need hands-on experience in trading system engineering, ideally More ❯

with an extra emphasis on expansion of our capabilities and capacity in helping solve unique client challenges. Summary: Beazley Security is seeking an experienced Senior Software Engineer to design innovative, secure scalable solutions that support our cybersecurity mission. As a key member of our global team, you … role will play a critical part in the continued improvement, scalable development, and support of products used to deliver Beazley Security services. As a Senior Software Engineer, this role will provide technical guidance around architecture and development, as well as mentor members of the Engineering team. This … test, and deployment processes. Create Infrastructure-as-Code. Collaboration: Work closely with product managers, other engineers, and stakeholders to define and deliver high-quality software solutions. Balance: Ensure feature development speed and reliability with well-defined service-level objectives. Improve: Continually update the deployment process to ensure only robust More ❯

Senior Software Engineer Fundment is a fast-growing wealth infrastructure company, building on our success in transforming the £3 trillion UK wealth management market with our cutting-edge digital investment system. We are passionate about revolutionising the investment experience for financial advisers and their clients by combining … innovative proprietary technology with exceptional customer service. Purpose of Role: As a Senior Engineer, you will play a critical role in designing, developing, and optimising our innovative solutions. You’ll be responsible for driving the technical execution of projects, mentoring other developers, and ensuring our platform remains scalable … within the team. Share technical insights and solutions to promote a learning culture. Continuous Learning: Stay current with the latest technologies and trends in software development. Proactively seek out opportunities for personal and team development to improve technical expertise and maintain Fundment’s competitive edge. Person Specification/Requirements More ❯

I am supporting a FinTech AI Product Company who are on the hunt for an experienced Senior Software Engineer to join their FULLY REMOTE engineering team! They are a heavily tech driven Product Company who put a huge emphasis on quality engineering, innovation and forward thinking. As … a Senior Software Engineer, you will work closely with their CTO and play a very important role on the direction of the product! You'll support with key tech decisions, architecture, project delivery and mentoring other Engineers in the team. Requirements: Deep experience with Python, TypeScript, React More ❯

A leading company in the Renewable Energy space are on the hunt for a Senior Software Engineer to join their highly skilled engineering team! They are a company who are HUGE on innovation and quality engineering and require an experienced set of hands to join their diverse … Engineers really grow & excel. They heavily promote a collaborative, open & team orientated culture that promotes innovation and forward thinking! They are looking for a Senior Software Engineer who comes with a solid engineering background using Vue/TypeScript on the Frontend & Kotlin on the backend. Experience working More ❯

and Albatross to the team. From TravelCare, to FlexiPerk and of course GreenPerk we are shaping the future of the industry. Are you a Senior Software Engineer with extensive programming experience? We’re not looking for stack experts. We’re looking for smart people who can bring … architect and implement our product. TravelPerk is a next-generation platform to take the pain out of booking and managing business travel. As a Senior Software Engineer, this position involves: Product development in Python/Django and/or React of a travel-related web-based product More ❯

Senior Software Engineer – DV Clearance | London| £60k-£90k Our client provides mission-critical systems engineering, software development, training solutions, and complex program management for global defence & security, government, and commercial organisations. They deliver advanced innovation across Cyber and Electromagnetic Activities, undersea systems, sensors, radar systems, command … and control, combat simulation, and training. As a Software Engineer with DV Clearance, you’ll play a pivotal role in developing cutting-edge DevSecOps software systems and applications. You’ll be at the forefront of driving innovation and safeguarding digital infrastructures in the UK. Skills and Experience More ❯

Senior C++ Software Engineer Up to £140,000 base + 50% bonus Exciting Role in Cutting-Edge Financial Data Technology Innovating High-Performance Data Storage in Finance I’m working with a client who has developed a state-of-the-art serverless database technology that serves as … engineering team drives the development of a critical technology that supports complex data workflows at scale. What You’ll Do and Gain As a Senior C++ Software Engineer, you will: Develop and optimize high-performance C++20 code that powers a serverless database running entirely on users’ machines More ❯

Senior C++ Software Engineer Global FinTech Remote (NI & RoI) Permanent | Full-time Market based salary + bonus & excellent benefits package IT Search is proud to partner with a global FinTech leader expanding its UK engineering presence. We're looking for a Senior C++ Software Engineer More ❯

Senior Software Engineer Tech Stack: C#, .NET, Microservices, Docker, Kubernetes, AWS/Azure United Kingdom Full Remote: Perm Role Salary: £85,000 - £110,000 Harrington Starr has partnered with an innovative start up FinTech who specialise in providing market access and data from their ultra low-latency … platform to financial service firms, leading exchanges and single dealers across digital assets, FIX and more. They are looking to hire a Senior C#, .NET Engineer with strong experience in start-up/scale up firms, able to take ownership of developing new applications, adding features to existing More ❯

provider of Network Security solutions specializing in automatic detection and mitigation, network visibility, analytics, and reporting tools. About the Role Are you a seasoned software engineer with a passion for designing and developing cloud-native Infrastructure-as-Code (IaC) solutions from the ground up? Our client is seeking … a talented and motivated Senior Software Engineer to lead the development of our next-generation observability platform. THIS IS NOT A DEVOPS ROLE. Responsibilities Collaborate within a dynamic software engineering team to architect and build a new cloud-native IaC platform. Develop software using technologies … or on-premises setups. Engage in the full development lifecycle: design, define work, document, debate, code, debug, and support features from inception. Qualifications A software developer experienced in designing and delivering complex IaC capabilities from scratch, not merely operating existing environments. A background in developing cloud-native systems software More ❯

Senior Software Engineer – C/C++ Global FinTech Remote (NI & RoI) Permanent | Full-time £60K + bonus & excellent benefits package IT Search has partnered with a global fintech that’s growing its UK engineering team. They’re looking for a Senior C/C++ Engineer … maintain secure, high-performance systems that power real-time payments on a global scale. In this role, you’ll design and develop core backend software, working closely with a talented team to integrate with partner APIs and tackle challenges around performance, scalability, and reliability. It’s a product-focused … in a collaborative environment with strong technical standards. What you need: Solid experience with C or C++ in a production environment Familiarity with modern software engineering practices: version control, testing, code reviews Comfortable working with structured data (e.g. XML, JSON) and API interactions Strong analytical and problem-solving skills More ❯

Exciting Opportunity: Senior Embedded Software Engineer We are working with a pioneering client at the forefront of innovation in the telecoms and technology space. They are seeking a talented Senior Embedded Software Engineer to join their growing R&D team. If you're passionate … be the perfect role for you! The Role This is a unique chance to work with a highly skilled, multidisciplinary team, designing and developing software for market-leading test and measurement products. You'll contribute to delivering solutions that meet the latest telecom standards, focusing on precise timing synchronization. … Your Responsibilities End-to-end embedded software development: from requirements analysis to integration and testing. Collaborate with product owners to turn high-level requirements into innovative software solutions. Work alongside hardware engineers and high-level software developers to optimize system interfaces. Deliver projects on time, maintaining exceptional More ❯