Permanent 'Senior Software Engineer' Job Vacancies

251 to 275 of 899 Permanent Senior Software Engineer Jobs

Senior Software Engineer

England, United Kingdom
OVO Group
Everything we do here spins around Plan Zero. So, naturally, the team you'll be joining plays a gigantic role in making that happen. Here's how: As a Senior Software Engineer, you'll own the end-to-end development of complex systems and features that are core to our business. This role in a nutshell: You … technical initiatives, make critical design decisions, and mentor engineers to elevate the team's capabilities. Your expertise will be the driving force that ensures we build scalable, high-quality software that pushes our company forward. Your key outcomes will be: Technical Leadership & Architecture: Drive the architectural vision for key features, designing robust, scalable systems and contributing to the technical … Sharing: Actively contribute to the wider engineering community by leading discussions, sharing expertise through documentation and workshops, and driving the exchange of best practices. You'll be a successful Senior Software Engineer at OVO if you Professional Experience: Significant hands-on experience developing software in an agile environment, with a proven track record of delivering high More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Senior Software Engineer (Go)

Amsterdam, Noord-Holland, Netherlands
Hybrid/Remote Options
Huxley
Overview Huxley Amsterdam, North Holland, Netherlands Join to apply for the Senior Software Engineer (Go) role at Huxley. Our client is a dynamic and forward-thinking organization overseeing a diverse portfolio of consumer internet companies. They are seeking a Senior Software Engineer to join their team in Amsterdam. In this role, you'll be … stakeholders to test and improve services. Apply analytical approaches to solve complex problems. Troubleshoot and resolve technical issues. Develop back-end components and integrate with external web services. Translate software requirements into functional products. Basic Qualifications Bachelor's degree in Computer Science or a related technical field, or equivalent practical experience. 6+ years of professional software development experience. More ❯
Employment Type: Permanent
Salary: EUR 6,000 - 9,500 Monthly
Posted:

Senior Software Engineer (Java, AWS ECS, DynamoDB, Lambda, Terraform, Docker)

England, United Kingdom
ScriptRunner
Join Our ScriptRunner Platform Team as a Senior Software Engineer! Are you passionate about developing innovative solutions that enhance user experiences for millions? Do you have a knack for leading and mentoring teams to success? If so, ScriptRunner is looking for a dynamic Senior Software Engineer to join our talented ScriptRunner Cloud team. About … and fostering an engineering culture that thrives on innovation and collaboration. What You’ll Do: Help build the platform that powers ScriptRunner Cloud. We’re looking for an experienced engineer who loves solving complex problems at scale, thrives in a DevOps-minded team, and enjoys shipping continuously. You’ll shape the core technology that underpins our ScriptRunner Cloud products … level and be part of something big, we'd love to hear from you! Apply today to join the ScriptRunner Cloud team and help us create the future of software engineering. More ❯
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Senior Software Engineer

South East, United Kingdom
MBDA
We're 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! Job Title: Senior Software Engineer Salary More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Senior Software Engineer

Stevenage, Hertfordshire, United Kingdom
MBDA
We're 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! Job Title: Senior Software Engineer Salary More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Senior Software Engineer - B-Corp Net-Zero Carbon

England, United Kingdom
Burns Sheehan
Overview Senior Full Stack Software Engineer B-Corp Start-Up Net-Zero Carbon Up to £100,000 plus stock London - Hybrid (2 days a week in the office) Typescript, Rust & React We are working with an amazing Carbon Neutral, B-Corp certified start-up to find them a Senior Full Stack Software Engineer to … and, as reach break-even in the original market, they have some exciting tech challenges in scaling their sustainable platform as they look to expand their reach. As a Senior Full Stack Software Engineer in a start-up your role will be multi-faceted: Designing and building new features to improve the lives of everyone who uses More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Senior Software Engineer

Gloucestershire, England, United Kingdom
Hybrid/Remote Options
Spectrum IT Recruitment
Senior Software Engineer - £70-£90k + Benefits Flexible Hybrid working options A Front-end Software Engineer opportunity for a business developing innovative and highly sensitive products for a range of external clients. This opportunity would best match candidates with 5 years+ software engineering backgrounds with a preference for Java or Python but any experience … years+ commercial experience with some of the following: Java, Python, VueJS or ReactJS Cloud deployment or automation experience with Ansible, Kubernetes, or similar (AWS preferred) Follow Agile processes and software engineering best practices, TDD, SOLID, Unit testing, etc Full stack development is beneficial but not essential All candidates must be DV or Advanced SC cleared and able to commute More ❯
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Senior Software Engineer

London Area, United Kingdom
Hybrid/Remote Options
Tiro Partners Limited
Software Engineer – Python/FastAPI/React/Functional programming/Typescript Location: London, UK (Hybrid) Type: Full-time Level: Mid to Senior Salary: £70,000 to £100,000 About the Role: This startup is building a cutting-edge platform to transform how engineers design physical products. Instead of creating one solution at a time, this system … is a spin-out from one of the UK’s most successful startups, built by top-tier engineers and developers from industry leading teams. We’re looking for a software engineer who enjoys writing clean, functional code and is genuinely passionate about real-world engineering not just building software, but helping change how things are designed and … Python for geometry, simulation, and data workflows Develop responsive, performant frontends using React and TypeScript Work closely with domain experts (engineers, designers) to translate complex physical problems into usable software features Follow functional programming practices to write testable, composable code Own features from idea to implementation to deployment Contribute to architectural decisions in a fast-moving, early-stage product More ❯
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Senior Software Engineer

City of London, London, United Kingdom
Hybrid/Remote Options
Tiro Partners Limited
Software Engineer – Python/FastAPI/React/Functional programming/Typescript Location: London, UK (Hybrid) Type: Full-time Level: Mid to Senior Salary: £70,000 to £100,000 About the Role: This startup is building a cutting-edge platform to transform how engineers design physical products. Instead of creating one solution at a time, this system … is a spin-out from one of the UK’s most successful startups, built by top-tier engineers and developers from industry leading teams. We’re looking for a software engineer who enjoys writing clean, functional code and is genuinely passionate about real-world engineering not just building software, but helping change how things are designed and … Python for geometry, simulation, and data workflows Develop responsive, performant frontends using React and TypeScript Work closely with domain experts (engineers, designers) to translate complex physical problems into usable software features Follow functional programming practices to write testable, composable code Own features from idea to implementation to deployment Contribute to architectural decisions in a fast-moving, early-stage product More ❯
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Senior Software Engineer

City of London, London, United Kingdom
Hybrid/Remote Options
Intec Select
Senior Software Developer | £100,000 | London | Financial Services Overview: A leading financial services organisation is seeking a Senior Software Developer to drive the design, development, and delivery of critical technology solutions across its operations. This high-impact role sits at the heart of business transformation, focused on building scalable systems to support reporting, compliance, and operational … patterns, development standards, and quality controls Lead and mentor developers, managing performance and growth Contribute to technology strategy, promoting innovation and best practices Essential Skills & Experience: 8+ years in software development within financial services or other complex enterprise environments is a must have Skilled in C#, .NET Core, Angular (v17+), SQL Server, Azure, microservices, and Power BI Experience in … unit testing, test automation, and Agile delivery Knowledge of compliance, regulatory reporting, and enterprise operational processes Proven experience delivering complex software solutions Strong leadership and stakeholder management skills Bonus: Python, Azure Data Factory/Databricks, data analysis, and COTS platforms Package: £100,000 15% non-contributory pension Hybrid working (3 days per week) Performance-based bonus scheme Comprehensive benefits More ❯
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Senior Software Engineer

London Area, United Kingdom
Hybrid/Remote Options
Intec Select
Senior Software Developer | £100,000 | London | Financial Services Overview: A leading financial services organisation is seeking a Senior Software Developer to drive the design, development, and delivery of critical technology solutions across its operations. This high-impact role sits at the heart of business transformation, focused on building scalable systems to support reporting, compliance, and operational … patterns, development standards, and quality controls Lead and mentor developers, managing performance and growth Contribute to technology strategy, promoting innovation and best practices Essential Skills & Experience: 8+ years in software development within financial services or other complex enterprise environments is a must have Skilled in C#, .NET Core, Angular (v17+), SQL Server, Azure, microservices, and Power BI Experience in … unit testing, test automation, and Agile delivery Knowledge of compliance, regulatory reporting, and enterprise operational processes Proven experience delivering complex software solutions Strong leadership and stakeholder management skills Bonus: Python, Azure Data Factory/Databricks, data analysis, and COTS platforms Package: £100,000 15% non-contributory pension Hybrid working (3 days per week) Performance-based bonus scheme Comprehensive benefits More ❯
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Senior Software Engineer

North West, England, United Kingdom
Hybrid/Remote Options
Perch Group
an ethical and manageable way. As we continue our growth journey, we are committed to delivering world-class digital experiences for our customers, partners, and stakeholders. Are you a Senior Software Engineer with a passion for building high-performing, scalable systems and solving complex technical challenges? We’re looking for a talented engineer with strong expertise … across .NET and SQL Server to join our team during an exciting period of data and platform transformation. About the Role As a Senior Software Engineer, you’ll work across both application and data layers, with a strong focus on SQL, ETL, data pipelines, performance tuning, and system integrations. You’ll play a key role in shaping … pipelines and integrations using Azure Data Factory/DataBricks Implement clean, maintainable code using SOLID principles and design patterns Collaborate with architecture and product teams to deliver high-quality software at pace Refactor and re-platform legacy data centric components into modern, cloud-first services Data Engineering Drive ETL development, data ingestion, and transformation pipelines Improve database performance and More ❯
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Senior Software Engineer

City of London, London, United Kingdom
Fruition Group
Senior Software Engineer Location: London 1x a month Salary: £75,000 - £95,000 + equity + benefits An established, global technology business within the hospitality-tech industry is seeking a talented Backend Software Engineer to help build and scale cutting-edge digital solutions. This is a chance to work on greenfield projects - building new, scalable … the ground up. What will I be doing? Design, develop, test, and maintain high-performance backend systems supporting real-time hospitality operations. Take ownership of key features throughout the software development lifecycle - from technical design through to deployment and ongoing optimisation. Collaborate with cross-functional teams including product, design, and data science to deliver innovative, customer-focused solutions. Work … reviews, mentoring, and knowledge sharing to maintain engineering excellence. What do I need to be successful: Degree in Computer Science or equivalent industry experience. 3+ years' experience in backend software development within a fast-paced, agile environment. Strong proficiency in Python (or similar modern backend language) and experience building RESTful APIs or microservices. Solid understanding of data structures, algorithms More ❯
Employment Type: Permanent
Salary: £95,000
Posted:

Senior Software Engineer

Amsterdam, Noord-Holland, Netherlands
P2P
we work together to solve complex problems, challenge consensus and deliver meaningful results. It's a place of high expectations, deep curiosity and thoughtful collaboration. We are seeking a Senior Software Engineer to join our Unified Platform (UP) organization. UP consolidates data and technologies into a comprehensive solution, accelerating time to market. Optimizing decision-making and research … our platform simplifies implementing new ideas, enhancing our competitive edge. As a Senior Software Engineer on one of the Unified Platform teams, you'll be part of a tight knit team of software engineers working closely with internal users (analysts, quants, traders) to develop innovative systems that enable research and trading. You'll experiment with emerging … tools to enable the business to rapidly embrace new opportunities in global markets Partner closely with internal customers to understand their needs and build intuitive self-service tools Develop software for large scale data acquisition, storage, accessibility, and visualization Work with a team to maintain and extend our global markets reach Learn about market microstructure, financial instruments, and markets More ❯
Employment Type: Permanent
Salary: EUR 65,000 - 85,000 Monthly
Posted:

Senior Software Engineer

London Area, United Kingdom
Anson McCade
Senior Software Engineer We’re hiring a Full-Stack Software Engineer specialising in full stack .Net Development for an emerging start up. It’s early days as this business builds it’s development team as it aims to transform how B2B businesses manage payments. The role is suited to someone that’s experienced but still More ❯
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Senior Software Engineer

City of London, London, United Kingdom
Anson McCade
Senior Software Engineer We’re hiring a Full-Stack Software Engineer specialising in full stack .Net Development for an emerging start up. It’s early days as this business builds it’s development team as it aims to transform how B2B businesses manage payments. The role is suited to someone that’s experienced but still More ❯
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Senior Software Engineer

London Area, United Kingdom
Paradigm Tech
Senior Software Engineer | Rust/C++ | TypeScript | Web SDK | WebAssembly/WASM | Remote | £90,000 + 10% bonus & shares I am currently working with a brilliant company specialised in creating technology products within the cyber security space, they have been incredibly successful and have relationships with global tech companies such as Meta utilising their product. Currently they … are looking for a Senior Engineer to join their highly specialised team focused on creating technology to support their customers use of their products, comprised of all senior level developers and above this team tackles the toughest tech challenges in the business. Key Skills Strong understanding of either JavaScript or TypeScript Good experience with C++ and/ More ❯
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Senior Software Engineer

City of London, London, United Kingdom
Paradigm Tech
Senior Software Engineer | Rust/C++ | TypeScript | Web SDK | WebAssembly/WASM | Remote | £90,000 + 10% bonus & shares I am currently working with a brilliant company specialised in creating technology products within the cyber security space, they have been incredibly successful and have relationships with global tech companies such as Meta utilising their product. Currently they … are looking for a Senior Engineer to join their highly specialised team focused on creating technology to support their customers use of their products, comprised of all senior level developers and above this team tackles the toughest tech challenges in the business. Key Skills Strong understanding of either JavaScript or TypeScript Good experience with C++ and/ More ❯
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Senior Software Engineer

London Area, United Kingdom
Anson McCade
Senior Software Engineer (Early-Stage SaaS | .NET & React) 📍 London | 🏢 On-site | 💼 Full-time | 💰 Up to £100k + equity The Role A fast-growing startup is building a financial operations platform and is looking for a hands-on Senior Software Engineer. You’ll help build the product from the ground up, own key features, and have … used internally) Help shape the architecture as the platform scales Work closely with founders, engineers and product teams Take ideas from concept to production What You Need Experience building software with .NET or another modern backend language Experience with JavaScript/TypeScript on the frontend Comfortable working with APIs and databases Good problem-solving skills and ability to take More ❯
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Senior Software Engineer

City of London, London, United Kingdom
Anson McCade
Senior Software Engineer (Early-Stage SaaS | .NET & React) 📍 London | 🏢 On-site | 💼 Full-time | 💰 Up to £100k + equity The Role A fast-growing startup is building a financial operations platform and is looking for a hands-on Senior Software Engineer. You’ll help build the product from the ground up, own key features, and have … used internally) Help shape the architecture as the platform scales Work closely with founders, engineers and product teams Take ideas from concept to production What You Need Experience building software with .NET or another modern backend language Experience with JavaScript/TypeScript on the frontend Comfortable working with APIs and databases Good problem-solving skills and ability to take More ❯
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Senior Software Engineer

London Area, United Kingdom
Hybrid/Remote Options
Maxwell Bond
Senior Software Engineer – Python/Vue/TypeScript/AWS or GCP - 99% Remote A growing tech business is expanding its engineering team and hiring Senior Software Engineers to help drive product evolution and technical strategy. What you will do: Lead development in cross-functional teams Stay hands-on with Python, Vue/TypeScript and More ❯
Posted:

Senior Software Engineer

City of London, London, United Kingdom
Hybrid/Remote Options
Maxwell Bond
Senior Software Engineer – Python/Vue/TypeScript/AWS or GCP - 99% Remote A growing tech business is expanding its engineering team and hiring Senior Software Engineers to help drive product evolution and technical strategy. What you will do: Lead development in cross-functional teams Stay hands-on with Python, Vue/TypeScript and More ❯
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Senior Network Software Engineer

Edinburgh, Midlothian, United Kingdom
Saxon Recruitment Solutions
Senior Network Software Engineer C Linux - Remote or Hybrid Edinburgh Stuck ? Frustrated ? Know youre better than this ? Career goals not being met ? As a Senior Software Engineer in this Networking Technology company youll have the opportunity to work on innovative, challenging projects where youll learn something new in emerging Network technologies click apply for More ❯
Employment Type: Permanent
Salary: GBP 95,000 Annual
Posted:

Senior Software Engineer

London Area, United Kingdom
Matchtech
Senior Software Engineer | £120K | AI Video Platform | London (On-site 5 days) *Can offer sponsorship and relocation for the right person* I’m partnered with an AI company founded by serial entrepreneurs and ex-Lyft, Google, and Zoox engineers, a team with serious technical pedigree across robotics, computer vision, and large-scale ML systems. They’ve built … AI-driven video intelligence platforms on the market, used by hospitals, schools, logistics firms, and enterprises globally, turning static video into actionable insights. Now, they’re looking for a Software Engineer who can own their web experience end-to-end, setting best practices, shaping architecture, and delivering truly intuitive interfaces that bring AI to life. You’ll join More ❯
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Senior Software Engineer

City of London, London, United Kingdom
Matchtech
Senior Software Engineer | £120K | AI Video Platform | London (On-site 5 days) *Can offer sponsorship and relocation for the right person* I’m partnered with an AI company founded by serial entrepreneurs and ex-Lyft, Google, and Zoox engineers, a team with serious technical pedigree across robotics, computer vision, and large-scale ML systems. They’ve built … AI-driven video intelligence platforms on the market, used by hospitals, schools, logistics firms, and enterprises globally, turning static video into actionable insights. Now, they’re looking for a Software Engineer who can own their web experience end-to-end, setting best practices, shaping architecture, and delivering truly intuitive interfaces that bring AI to life. You’ll join More ❯
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Senior Software Engineer
10th Percentile
£60,000
25th Percentile
£65,000
Median
£80,000
75th Percentile
£105,000
90th Percentile
£122,500