101 to 125 of 315 Senior Software Engineer Jobs in the UK

Description Senior Software Engineer Edinburgh An innovative and well-established med tech company are seeking a Senior Software Engineer to join its R&D team basedin central Edinburgh. This is a unique opportunity to play a key role in the development of next-generation ...

Senior Software Engineer Gloucestershire or Manchester - Hybrid, 3 days a week. Security Cleared (Eligibility Required) A global company, well established and highly regarded in the UK Cyber & Intelligence space, is currently recruiting Software Engineers for their Gloucestershire or Manchester office. If you are a Software Engineer motivated by meaningful, impactful projects, then this could be an excellent opportunity for you. Tech Stack & Languages (Experience in some of the following areas will be sought and training can be provided in others) TypeScript, Java, Python React, NextJS Cloud (AWS or Azure) Containerisation (Docker, Kubernetes ...

looking for a Senior Software Engineer to join our team and take our technology and your career into new territories! MBDA is a great a place to learn about the company's entire product portfolio, whilst embracing the change to DevOps and other innovative technologies! Salary … full product lifecycle. And, in a collaborative and close-knit culture, we support each other to search for better. Join us as an Senior Software Engineer and take our technology and your career into new territories! You will be responsible for designing and developing Test equipment software ...

Description Senior Software Engineer Siemens TIA Portal Automated Warehousing Warwickshire/Hybrid £60-70k Samuel Frank is recruiting for a Senior Software Engineer to join a growing automation business delivering turnkey automated warehouse systems across the UK. Youll split your time between development ...

Description Senior Software Engineer (Java/Python/Cloud & AI) We're looking for a Senior Software Engineer to join a high-performing technology team building scalable, cloud-native applications and AI-powered solutions within a fast-paced enterprise environment. You'll work … integrations. Collaborating with engineers, product teams, and stakeholders to deliver robust technical solutions. Contributing to architectural decisions, engineering standards, and best practices across the software development lifecycle. Troubleshooting and resolving complex technical challenges across multiple systems and technologies. Mentoring engineers and promoting a collaborative, inclusive engineering culture. Evaluating ...

Senior Software Engineer - SC Cleared Location: London Salary: Up to £80,000 Clearance: Active SC Clearance and eligibility for DV To apply, email : Overview A leading organisation delivering operational cyber capabilities is looking for a Senior Software Engineer to join its growing technical team ...

Senior Software Engineer - SC Cleared Location: Manchester (Hybrid) Salary: Up to £80,000 Clearance: Active SC Clearance and eligibility for DV To apply, email : Overview A leading organisation delivering operational cyber capabilities is looking for a Senior Software Engineer to join its growing technical ...

Senior Software Engineer - Oxford (Hybrid - 2 Days Onsite Per Week) Salary: £65k + Annual Bonus We have partnered exclusively with a market-leading Manufacturing company who have an exciting opportunity for a Senior Software Engineer to join their growing team. This role will … focused on the design, development, and maintenance of their software products within a click apply for full job details ...

Senior Software Engineer Location: Near Winchester Salary: Up to £65,000 Clearance: Must hold SC Clearance and be eligible for DV To Apply: Email Overview A leading technology organisation within the defence and national security sector is seeking a Senior Software Engineer to join … opportunity to work on secure, mission-critical systems using modern cloud-native technologies within a collaborative and highly technical environment. The team delivers innovative software solutions across complex programmes supporting national security and defence operations. Key Responsibilities Design, develop, and maintain scalable software solutions Collaborate within Agile engineering ...

Senior Software Engineer looking for an interesting job opportunity? Our client, TKMS ATLAS UK, are seeking a Senior Software Engineer with skills in Java to work on the development of marine-based autonomous systems. This job will be based out of TKMS ATLAS ...

Contract Senior Software Engineer (Java or Python) | Inside IR35 Contract length: 6 months (with potential to extend) Location: London Working Environment: On-site You will be joining a private equity firm as a senior software engineer, to work across the following responsibilities: Develop ...

Contract Senior Software Engineer (Java or Python) | Inside IR35 Contract length: 6 months (with potential to extend) Location: London Working Environment: On-site You will be joining a private equity firm as a senior software engineer, to work across the following responsibilities: Develop ...

Senior Software Engineer – AI Startup – Up to 160k 🚀🧠 💰 Salary: £70,000 - £160,000 + meaningful equity 🏙️ Location : London, flexible working arrangements, ideally 2/3 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 ...

hiring a Senior Software Engineer to lead end-to-end feature development and architectural design. This role is built for a technical leader who prioritizes high-impact delivery over routine maintenance. Tech Stack Backend: Python, FastAPI, Ruby on Rails Frontend: React.js, Next.js, React Native Cloud: AWS, Terraform … Python or Ruby on Rails + React/Next.js or React Native) Prior experience liaising with product teams and business stakeholders Solid understanding of software architecture, design patterns, and automated testing Ability to design and deliver complex features from scratch and communicate them to non-technical stakeholders Excellent problem ...

Senior Software Engineer (.NET/C#) | Greenfield Systems Rebuild | Remote | £80,000–£100,000 This is a hands-on senior engineering role with real technical authority. You will be the lead engineer and technical decision-maker on a greenfield rebuild of a mission-critical system … working within a small, senior team and reporting directly to the Head of Technology. Once the build is delivered, the role expands into enterprise architecture responsibilities. If you are a strong .NET engineer who has been moving into architecture and wants to own the outcome rather than advise ...

Senior Software Engineer - Geospatial Data (Contract) Location: Farnborough (3 days per week onsite) Contract Length: Initial 3-month contract IR35 Status: Outside IR35 Security Clearance: All candidates must be eligible for security clearance prior to appointment. We are seeking an experienced Senior Software Engineer ...

Senior Embedded Software Engineer (Senior or Principal) — IoT & Space Systems Join a pioneering team building the next generation of space-powered IoT solutions. My client are developing a highly advanced satellite network that connects billions of devices worldwide — enabling users to sense, track … data anywhere on the planet. As a Senior Embedded Software Engineer , you’ll design and optimize software for low-power, battery-operated IoT devices that communicate through space-based systems. You’ll focus on performance, power efficiency, system reliability, and automated testing frameworks. Key Responsibilities Embedded ...

Senior Software Engineer – AI/Agentic Systems London (Hybrid) We’re partnering with a cutting-edge AI startup redefining how intelligent systems operate at scale. Their mission is ambitious: to push the boundaries of agentic AI and build platforms that automate complex, multi-step human workflows—unlocking … alongside world-class AI talent, and directly shape a platform sitting at the intersection of research and real-world deployment. The Opportunity As a Senior Software Engineer , you’ll play a key role in building and scaling an enterprise-grade AI platform. You’ll operate ...

Senior Software Engineer JavaScript, C++, Linux, IoT, Kubernetes, Microservices Southampton, Romsey, Hampshire (Onsite) £65,000 - £75,000 + pension & benefits Are you a talented Software Engineer who thrives on solving real-world problems with cutting-edge technology? This is an opportunity to join a talented … engineering team building advanced, real-time software systems used in safety-critical environments worldwide. You'll be working at the intersection of enterprise software, IoT, and data-driven decision-making; developing solutions that genuinely make a difference. Why this role is exciting This isn't just another enterprise ...

Senior Software Engineer .NET/AWS/React Manchester or Leeds Hybrid (2 days onsite) £70,000 + 10% Bonus A leading enterprise SaaS organisation is scaling its Product Engineering function and is looking for Senior Software Engineers to help build and evolve large-scale … moving enterprise IT environment. The engineering teams here are focused on modern product development, cloud-native architecture, scalable distributed systems, and building high-quality software that directly impacts real users and real-world transactions at scale. Youll join a collaborative engineering culture where software engineers are encouraged ...

Senior Software Engineer Location: Near Winchester Salary: Up to £65,000 Clearance: Must hold SC Clearance and be eligible for DV To Apply: Email Overview A leading technology organisation within the defence and national security sector is seeking a Senior Software Engineer to join ...

shapes the industry, we'd like to hear from you. UNITED KINGDOM, REMOTE/FULL-TIME Role Summary: We are looking for a Senior Software Engineer (full-stack) to develop the Logiq platform. Working closely with our Head of Product, you will be responsible for building software … safe enough for ideas to be challenged in a constructive manner. Curious. Curiosity drives improvement and innovation. Always ask why. The Role: As a Senior Software Engineer, you will be responsible for the long-term technical direction of the Logiq platform and products, which provide real-time ...

scale up our tech team with the very best engineers to supercharge our growth. We are looking for a bright, driven, full-stack Senior Software Engineer who is excited about solving complex problems and building scalable platforms. The role As a Senior Software Engineer … Understand complex business problems then propose and implement technical solutions Have input into the architecture, working closely with the Head of Technology and other senior team members Work with other engineers and the business to improve user experiences Bring your experience and enthusiasm to our engineering culture Promote excellence ...

Senior Software Engineer Tech: TypeScript/Kotlin. Back End Agnostics welcome. Office : Remote, but meet up once a month or so in London. Level : Upper Senior or Staff/Principal Level. Salary : £100-140k Eng Size : 50 We’re working with a globally recognised platform … helping organisations build more ethical practices and infrastructure. They’re looking for a very Senior Engineer who combines strong product instincts with the experience of building in fast-moving, scaling environments. This role is for someone who’s been a pivotal engineer during a scale-up phase. ...

Senior Software Engineer (.NET/AWS) Location: Manchester/Hybrid Salary: Up to £75,000 + benefits The Role We are looking to hire experienced Senior Software Engineers to join a growing engineering function. You'll play a key role in designing and building scalable ...