Senior Software Engineer Jobs in England

501 to 525 of 1,000 Senior Software Engineer Jobs in England

Senior Software Engineer C# - FLEXIBLE WORKING

London, United Kingdom
Senior Software Engineer Hybrid - 4 days a week in Central London £100k + Bonus + Equity We re working with a well funded, high-growth fintech start-up that s building the next generation of financial automation. They're building an Ai powered, fully automated financial operating system and payment platform. Fintech start-up disrupting a … from some of the industries best engineers Ownership Work closely with leadership in a flat, agile team Competitive package £100k + equity + bonus It s for an engineer who loves solving technical challenges, enjoys working directly with customers, and wants to help build something big from the ground up. More ❯
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Senior Software Engineer - FTC [UK]

Central London, London, United Kingdom
Hybrid / WFH Options
Spyrosoft Ltd
Location London Hybrid 1-2 days a week in the office eligibility to work in the UK Role Overview We are seeking a skilled Senior Developer to join a newly formed engineering team focused on removing legacy components and addressing technical debt within our Media Services products. This role will involve working closely with stakeholders to understand system requirements … component migrations. A proactive and detail-oriented approach will be vital to ensure smooth transitions from legacy systems to scalable, reliable, and future-proof solutions. In addition, experience with software testing practices, Agile methodologies (Scrum or Kanban), and defensive programming techniques will be highly desirable. We are looking for someone who thrives in collaborative, fast-paced teams, who can … Go programming experience Agile/Scrum experience Load Balancer experience Defensive programming techniques Tools and Technology Java Jira AWS TDD CI/CD Experience A degree in Computer Science, Software Engineering, or a related field or similar work based experience. Proven experience as a Senior Software Engineer ideally with a focus on media-related projects. Very More ❯
Employment Type: Contract
Rate: £70,000
Posted:

Senior Software Engineer

Loughborough, Leicestershire, East Midlands, United Kingdom
Hybrid / WFH Options
Previsico Limited
Role: As a Senior Software Engineer a t Previsico, you will be a key technical leader within the engineering team, driving the design, delivery, and evolution of our flood forecasting and prevention systems. You will take ownership of complex, high-impact projects across teams or domain areas, ensuring that our systems are scalable, reliable, and secure. You More ❯
Employment Type: Permanent, Work From Home
Salary: £80,000
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Senior Software Engineer - C# - (Hybrid Remote)

London, United Kingdom
Hybrid / WFH Options
By combining data science, algorithmic precision, and intuitive design, we develop cutting-edge tools that enable users to analyze, interpret, and act on market dynamics with confidence. As a Senior Software Engineer in the Product Engineering team you will build and evolve a data and content dissemination platform (Web, App, APIs, messaging) and corresponding data pipelines, ensuring … actively help in business requirement analysis and specification to improve not only the tools but also processes and information flow throughout the company. Design, plan and implement new efficient software solutions in Python and Go Maintain and enhance our Airflow data pipelines Build and extend knowledge of financial instruments in Computer Science or similar field involving coding (e.g. physics … or applied mathematics) Algorithms, data structures, complexity analysis and software design Hands-on senior level experience in Python programming Unix based systems, containerized environments and Kubernetes Working experience with databases: relational, NoSQL and time series Proficient written and verbal communication in English Team player, strong sense for quality, reliability and innate curiosity to learn new things Background in More ❯
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Senior Software Engineer

London Area, United Kingdom
Hybrid / WFH Options
Swissblock Technologies AG
data science, algorithmic precision, and intuitive design, we develop cutting-edge tools that enable users to analyze, interpret, and act on market dynamics with confidence. Your role As a Senior Software Engineer in the Product Engineering team you will build and evolve a data and content dissemination platform (Web, App, APIs, messaging) and corresponding data pipelines, ensuring … direct contact with business and technical stakeholders Work with product management to analyze and improve our business processes Conduct workload and complexity assessments Design, plan and implement new efficient software solutions in Python and Go Maintain and enhance our Airflow data pipelines Improve observability and scalability to support our constantly growing client base Continuously adapt to changing requirements in … Build and extend knowledge of financial instruments Minimum qualifications B.Sc. in Computer Science or similar field involving coding (e.g. physics or applied mathematics) Algorithms, data structures, complexity analysis and software design Hands-on senior level experience in Python programming Unix based systems, containerized environments and Kubernetes Working experience with databases: relational, NoSQL and time series Websocket, REST API More ❯
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Senior Software Engineer

City of London, London, United Kingdom
Hybrid / WFH Options
Swissblock Technologies AG
data science, algorithmic precision, and intuitive design, we develop cutting-edge tools that enable users to analyze, interpret, and act on market dynamics with confidence. Your role As a Senior Software Engineer in the Product Engineering team you will build and evolve a data and content dissemination platform (Web, App, APIs, messaging) and corresponding data pipelines, ensuring … direct contact with business and technical stakeholders Work with product management to analyze and improve our business processes Conduct workload and complexity assessments Design, plan and implement new efficient software solutions in Python and Go Maintain and enhance our Airflow data pipelines Improve observability and scalability to support our constantly growing client base Continuously adapt to changing requirements in … Build and extend knowledge of financial instruments Minimum qualifications B.Sc. in Computer Science or similar field involving coding (e.g. physics or applied mathematics) Algorithms, data structures, complexity analysis and software design Hands-on senior level experience in Python programming Unix based systems, containerized environments and Kubernetes Working experience with databases: relational, NoSQL and time series Websocket, REST API More ❯
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Senior Software Engineer

slough, south east england, united kingdom
Hybrid / WFH Options
Swissblock Technologies AG
data science, algorithmic precision, and intuitive design, we develop cutting-edge tools that enable users to analyze, interpret, and act on market dynamics with confidence. Your role As a Senior Software Engineer in the Product Engineering team you will build and evolve a data and content dissemination platform (Web, App, APIs, messaging) and corresponding data pipelines, ensuring … direct contact with business and technical stakeholders Work with product management to analyze and improve our business processes Conduct workload and complexity assessments Design, plan and implement new efficient software solutions in Python and Go Maintain and enhance our Airflow data pipelines Improve observability and scalability to support our constantly growing client base Continuously adapt to changing requirements in … Build and extend knowledge of financial instruments Minimum qualifications B.Sc. in Computer Science or similar field involving coding (e.g. physics or applied mathematics) Algorithms, data structures, complexity analysis and software design Hands-on senior level experience in Python programming Unix based systems, containerized environments and Kubernetes Working experience with databases: relational, NoSQL and time series Websocket, REST API More ❯
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Senior Software Engineer

london, south east england, united kingdom
Hybrid / WFH Options
Swissblock Technologies AG
data science, algorithmic precision, and intuitive design, we develop cutting-edge tools that enable users to analyze, interpret, and act on market dynamics with confidence. Your role As a Senior Software Engineer in the Product Engineering team you will build and evolve a data and content dissemination platform (Web, App, APIs, messaging) and corresponding data pipelines, ensuring … direct contact with business and technical stakeholders Work with product management to analyze and improve our business processes Conduct workload and complexity assessments Design, plan and implement new efficient software solutions in Python and Go Maintain and enhance our Airflow data pipelines Improve observability and scalability to support our constantly growing client base Continuously adapt to changing requirements in … Build and extend knowledge of financial instruments Minimum qualifications B.Sc. in Computer Science or similar field involving coding (e.g. physics or applied mathematics) Algorithms, data structures, complexity analysis and software design Hands-on senior level experience in Python programming Unix based systems, containerized environments and Kubernetes Working experience with databases: relational, NoSQL and time series Websocket, REST API More ❯
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Senior Software Engineer

london (city of london), south east england, united kingdom
Hybrid / WFH Options
Swissblock Technologies AG
data science, algorithmic precision, and intuitive design, we develop cutting-edge tools that enable users to analyze, interpret, and act on market dynamics with confidence. Your role As a Senior Software Engineer in the Product Engineering team you will build and evolve a data and content dissemination platform (Web, App, APIs, messaging) and corresponding data pipelines, ensuring … direct contact with business and technical stakeholders Work with product management to analyze and improve our business processes Conduct workload and complexity assessments Design, plan and implement new efficient software solutions in Python and Go Maintain and enhance our Airflow data pipelines Improve observability and scalability to support our constantly growing client base Continuously adapt to changing requirements in … Build and extend knowledge of financial instruments Minimum qualifications B.Sc. in Computer Science or similar field involving coding (e.g. physics or applied mathematics) Algorithms, data structures, complexity analysis and software design Hands-on senior level experience in Python programming Unix based systems, containerized environments and Kubernetes Working experience with databases: relational, NoSQL and time series Websocket, REST API More ❯
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Senior Software Engineer

London, United Kingdom
Just Group plc
brilliant time to join our business. We are on an exciting growth journey to become the UK's most loved retirement expert. The Role We're looking for a Senior Software Engineer to join one of our multidisciplinary, cross-functional, lean delivery squads, focused on rapidly delivering value to our customers through our mobile app and website. … right way. You will lead by example; getting your hands dirty in the code, inspiring your peers & helping to educate your stakeholders. You are passionate about the craft of software development and contribute to technical and non-technical discussions that help shape the direction of digital product delivery. You are able to work independently, as well as collaboratively, on … user stories within an agile delivery environment and are versed in modern software delivery practices. You care about creating quality software that delivers value to consumers, in a thoughtfully pragmatic way. As well as contributing to production-grade code bases, you will also be keen to help shape the vision for the product, happy to mentor and upskill More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Senior Software Engineer - CIAM XDP

London, United Kingdom
Barclays
Join us as a Senior Software Engineer for CIAM at Barclays, where you will bring to life a new digital platform capability, transforming and modernising our digital estate to build a market-leading digital offering with customer experience at its heart. This is an exciting and key role, partnering with business aligned engineering and product teams, to … ensure a collaborative team culture is at the heart of what we do. To be successful in this role you should have: Strong hands-on IAM engineer background with broad expertise across the IAM domain, including tooling, products, protocols, taxonomy, identity management, authentication, authorization and identity federation. Expertise with single sign on, OAuth2, OIDC, PKI, PSD2 SCA knowledge and … digital and technology, as well as job-specific technical skills. This role will be based out of our London office. Purpose of the role To design, develop and improve software, utilising various engineering methodologies, that provides business, platform, and technology capabilities for our customers and colleagues. Accountabilities Development and delivery of high-quality software solutions by using industry More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Senior Software Engineer

England, United Kingdom
Hybrid / WFH Options
First Achieve
We’re Hiring: Fullstack Software Engineer 🌍 Fully Remote | Full-Time | HealthTech | TypeScript Stack Salary Range: Up to 100.000 GROSS annually (depends on experience). Are you passionate about building seamless, high-impact systems that power real-world change? Do you thrive at the intersection of backend and frontend development? We’re looking for a versatile Fullstack Software Engineer to help scale the core systems of our HIPAA-compliant no-code automation platform that’s transforming healthcare operations. 🛠 What You’ll Do Design and scale core systems like our workflow engine, AI Copilot, and APIs Build end-to-end features across a fullstack TypeScript environment (React frontend + Node backend) Enhance automation and AI-driven capabilities … Bring Strong coding skills (ideally in TypeScript, but we value adaptability over stack-specific experience) Proven experience across both frontend and backend in production systems A deep understanding of software engineering principles (testing, scalability, performance) A track record of owning features or products end-to-end Clear, fluent communication in English—written and spoken A mission-driven mindset —we More ❯
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Senior Software Engineer

England, United Kingdom
Legend
you're looking for a company with momentum and the opportunity to progress at pace, Legend has it. Unlock the Legend in you. The Role Legend is hiring a Senior Software Engineer reporting directly to our Senior Engineering Manager. This is an opportunity to shape the technical foundation of a high-growth product in the competitive … Ensure application security, implementing safeguards against vulnerabilities. What You'll Bring Proven experience delivering large-scale systems in production. Strong grounding in Domain-Driven Design, API-first architecture, and software design patterns. Proficiency in JavaScript (React/Next) or another backend language, with knowledge of Ruby as a plus. Experience with Pub/Sub, websockets, and Server-Sent Events More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Senior C++ Software Engineer

London Area, United Kingdom
83zero
Senior C++ Software Engineer Salary: £100,000 – £135,000 Key Responsibilities Design, develop, and optimize software in C++ and/or Rust for control and orchestration systems. Build low-latency interfaces between hardware and classical compute systems. Collaborate with hardware teams to integrate software with FPGAs and high-speed digital electronics. Develop and maintain firmware … platforms. Analyze and optimize system performance including latency, throughput, and resource utilization. Participate in system architecture design and technical decision-making. Conduct code reviews , mentor junior engineers, and promote software best practices. Work with cross-functional teams to ensure seamless integration of hardware and software components for robust, production-ready systems. Ensure system reliability , fault tolerance , and performance … in data centre environments. Required Qualifications Bachelor’s or Master’s degree in Computer Engineering , Electrical Engineering , Physics , or a related field. 5+ years of professional experience in software development, with a focus on C++ and/or Rust . Strong understanding of FPGA architectures , toolchains (e.g., Xilinx Vivado, Intel Quartus), and hardware description languages ( VHDL/Verilog ). More ❯
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Senior C++ Software Engineer

City of London, London, United Kingdom
83zero Limited
Senior C++ Software Engineer Salary: £75,000 - £135,000 Key Responsibilities Design, develop, and optimize software in C++ and/or Rust for control and orchestration systems. Build low-latency interfaces between hardware and classical compute systems. Collaborate with hardware teams to integrate software with FPGAs and high-speed digital electronics. Develop and maintain firmware … platforms. Analyze and optimize system performance including latency, throughput, and resource utilization. Participate in system architecture design and technical decision-making. Conduct code reviews , mentor junior engineers, and promote software best practices. Work with cross-functional teams to ensure seamless integration of hardware and software components for robust, production-ready systems. Ensure system reliability , fault tolerance , and performance … in data centre environments. Required Qualifications Bachelor's or Master's degree in Computer Engineering , Electrical Engineering , Physics , or a related field. 5+ years of professional experience in software development, with a focus on C++ and/or Rust . Strong understanding of FPGA architectures , toolchains (e.g., Xilinx Vivado, Intel Quartus), and hardware description languages ( VHDL/Verilog ). More ❯
Employment Type: Permanent
Posted:

Senior C++ Software Engineer

london, south east england, united kingdom
83zero
Senior C++ Software Engineer Salary: £100,000 – £135,000 Key Responsibilities Design, develop, and optimize software in C++ and/or Rust for control and orchestration systems. Build low-latency interfaces between hardware and classical compute systems. Collaborate with hardware teams to integrate software with FPGAs and high-speed digital electronics. Develop and maintain firmware … platforms. Analyze and optimize system performance including latency, throughput, and resource utilization. Participate in system architecture design and technical decision-making. Conduct code reviews , mentor junior engineers, and promote software best practices. Work with cross-functional teams to ensure seamless integration of hardware and software components for robust, production-ready systems. Ensure system reliability , fault tolerance , and performance … in data centre environments. Required Qualifications Bachelor’s or Master’s degree in Computer Engineering , Electrical Engineering , Physics , or a related field. 5+ years of professional experience in software development, with a focus on C++ and/or Rust . Strong understanding of FPGA architectures , toolchains (e.g., Xilinx Vivado, Intel Quartus), and hardware description languages ( VHDL/Verilog ). More ❯
Posted:

Senior C++ Software Engineer

slough, south east england, united kingdom
83zero
Senior C++ Software Engineer Salary: £100,000 – £135,000 Key Responsibilities Design, develop, and optimize software in C++ and/or Rust for control and orchestration systems. Build low-latency interfaces between hardware and classical compute systems. Collaborate with hardware teams to integrate software with FPGAs and high-speed digital electronics. Develop and maintain firmware … platforms. Analyze and optimize system performance including latency, throughput, and resource utilization. Participate in system architecture design and technical decision-making. Conduct code reviews , mentor junior engineers, and promote software best practices. Work with cross-functional teams to ensure seamless integration of hardware and software components for robust, production-ready systems. Ensure system reliability , fault tolerance , and performance … in data centre environments. Required Qualifications Bachelor’s or Master’s degree in Computer Engineering , Electrical Engineering , Physics , or a related field. 5+ years of professional experience in software development, with a focus on C++ and/or Rust . Strong understanding of FPGA architectures , toolchains (e.g., Xilinx Vivado, Intel Quartus), and hardware description languages ( VHDL/Verilog ). More ❯
Posted:

Senior C++ Software Engineer

london (city of london), south east england, united kingdom
83zero
Senior C++ Software Engineer Salary: £100,000 – £135,000 Key Responsibilities Design, develop, and optimize software in C++ and/or Rust for control and orchestration systems. Build low-latency interfaces between hardware and classical compute systems. Collaborate with hardware teams to integrate software with FPGAs and high-speed digital electronics. Develop and maintain firmware … platforms. Analyze and optimize system performance including latency, throughput, and resource utilization. Participate in system architecture design and technical decision-making. Conduct code reviews , mentor junior engineers, and promote software best practices. Work with cross-functional teams to ensure seamless integration of hardware and software components for robust, production-ready systems. Ensure system reliability , fault tolerance , and performance … in data centre environments. Required Qualifications Bachelor’s or Master’s degree in Computer Engineering , Electrical Engineering , Physics , or a related field. 5+ years of professional experience in software development, with a focus on C++ and/or Rust . Strong understanding of FPGA architectures , toolchains (e.g., Xilinx Vivado, Intel Quartus), and hardware description languages ( VHDL/Verilog ). More ❯
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Senior Software Engineer (C# / SQL Server)

Bournemouth, Dorset, United Kingdom
Hybrid / WFH Options
Senior Software Engineer Hybrid/Remote working flexibility. Offices based in Bournemouth, Dorset. OOP, PHP, LAMP, MVC Symfony, HTML, CSS, JavaScript/TypeScript Salary circa £60,000 - £65,000 plus benefits including remote working, pension scheme, private medical cover My client are at the forefront of delivering technology to the transport sector which helps people More ❯
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Senior Software Engineer

London, Cathedrals, United Kingdom
The Portfolio Group
We're looking for a Senior Software Engineer to join a growing team building smart, scalable tools used by professionals across a range of industries. You'll work onsite in London, helping shape robust backend services and responsive user experiences using Node.js and Python. What You'll Do Build and maintain scalable, secure applications using Node.js, Python More ❯
Employment Type: Permanent
Salary: £65000 - £70000/annum
Posted:

Senior Software Engineer

Caldecotte, Milton Keynes, Buckinghamshire, England, United Kingdom
Hybrid / WFH Options
Connells Group HQ
Job Description We are seeking a skilled and motivated Senior Software Engineer to join our Group Technology team in Milton Keynes. In this role, you will help develop, support and enhance business systems and applications using .NET technologies and SQL Server.We offer a hybrid working arrangement with one or two days per week in our Milton Keynes … office. Key Responsibilities: Be up to date regarding best practices in software development and deployment Implement best practice coding in relation to development coding standards Use operational data to improve the stability and performance of the applications Maintain documentation and release notes Have awareness of application security considerations Identify dependencies across the organization and work with teams to resolve … them before they become an issue, and install preventative measures to mitigate repeat occurrences Effectively handle risk, change, and uncertainty across the organization Work alone or alongside other Software Engineers on projects where necessary Create secure and high performing n-tier applications utilising best practices in the development of database applications using SQL Contribute to improve the overall processes More ❯
Employment Type: Full-Time
Salary: Competitive salary
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Senior Software Engineer

South West, United Kingdom
Hybrid / WFH Options
Sanderson Recruitment
going through a period of impressive growth across their technology team, creating opportunity to work on challenging projects and contribute to the development of its digital platforms. As a Senior Software Engineer, you will be involved in the full lifecycle of software development; from small front-end changes to developing APIs supporting new functionality across multiple More ❯
Employment Type: Permanent
Salary: £80,000
Posted:

Senior Software Engineer

England, United Kingdom
Hybrid / WFH Options
Converge
Converge is hiring for a senior software engineer to help explore new product areas, scale up existing products, and build our underlying concrete data service. You will be working at the leading edge of our new products, interfacing directly with customers, and collaborating closely with other engineers, designers, product managers, and commercial/CX team members. You More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Senior Software Engineer

london, south east england, united kingdom
Hybrid / WFH Options
Aibidia
Aibidia is looking for a skilled Senior Software Engineer to work on the Research and Development team to create and expand Aibidia's range of solutions. We are revolutionising cross-border business management with our SaaS platform, and need top-tier talent to contribute to the success in transforming how the large multinational companies manage transfer pricing More ❯
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Senior Software Engineer - £400 per day Outside IR35

London Area, United Kingdom
Oliver Bernard
Senior Software Engineer - £400 per day Outside IR35 We're partnered with a scale-up business who have recently raised ~£80m in funding and are looking for Backend Engineers to join an initial 3 month project with extensions very likely. 2 days per week onsite in Hammersmith (you choose which days) Outside IR35 - up to £400 per … be able to start within 2 weeks Requirements Minimum of 4 years of advanced experience working with Python and Django Hands-on experience with SQL databases Strong expertise in software design principles and building REST APIs Proficient in Git, with the ability to troubleshoot and resolve technical issues effectively Deep expertise in a core functional area of the business More ❯
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Senior Software Engineer
England
10th Percentile
£60,000
25th Percentile
£68,750
Median
£85,000
75th Percentile
£111,250
90th Percentile
£135,000