1 to 25 of 368 Senior Software Engineer Jobs in the UK

CONTRACT SENIOR SOFTWARE ENGINEER - eDV CLEARED NEW CONTRACT JOB OPPORTUNITY AVAILABLE WITHIN A LEADING NATIONAL SECURITY COMPANY FOR A SENIOR SOFTWARE ENGINEER WITH eDV CLEARANCE Contract job opportunity for a Senior Software Engineer Globally leading defence/cyber security company £500 - £750 per day (inside and outside IR35 roles available) London … based organisation in an easily accessible location Contract Senior Software Engineer To apply please call or email WHO WE ARE? We are recruiting multiple contract Senior Software Engineers to work with various clients in London ranging from R&D companies, Multi-National Consultancies to SME's and product based companies. Due to the nature of … the work these clients do, you must hold enhanced DV Security Clearance. WHAT WILL THE SENIOR SOFTWARE ENGINEER BE DOING? As a Senior Software Engineer, you will work with an experienced agile team to design and deliver packages of bespoke work, work development teams and liaise with customers. You will work through the entire More ❯

SENIOR SOFTWARE ENGINEER - eDV CLEARED NEW PERMANENT JOB OPPORTUNITY AVAILABLE WITHIN A GLOBALLY LEADING NATIONAL SECURITY COMPANY FOR A SENIOR SOFTWARE ENGINEER WITH eDV CLEARANCE Permanent job opportunity for a Senior Software Engineer Globally leading defence/cyber security company Salary up to £100,000 plus clearance bonus London based organisation … in an easily accessible location Permanent Software Engineer To apply please call/or email WHO WE ARE? We are recruiting Senior and Lead Software Engineers to work with a multi-national, industry leading National Security client in central London. Due to the nature of the work you must hold enhanced DV Security Clearance. WHAT WILL … THE SENIOR SOFTWARE ENGINEER BE DOING? As a Senior Software Engineer, you will work with an experienced agile team to design and deliver packages of bespoke work, work development teams and liaise with customers. You will work through the entire software development life cycle from requirements capture to R&D, implementation to automation. More ❯

SENIOR SOFTWARE ENGINEER - eDV CLEARED NEW PERMANENT JOB OPPORTUNITY AVAILABLE WITHIN A GLOBALLY LEADING NATIONAL SECURITY COMPANY FOR A SENIOR SOFTWARE ENGINEER WITH eDV CLEARANCE Permanent job opportunity for a Senior Software Engineer Globally leading defence/cyber security company Salary up to £100,000 plus clearance bonus London based organisation … in an easily accessible location Permanent Software Engineer To apply please call 07704 152 640/0203 854 0120 or email WHO WE ARE? We are recruiting Senior and Lead Software Engineers to work with a multi-national, industry leading National Security client in central London. Due to the nature of the work you must hold … enhanced DV Security Clearance. WHAT WILL THE SENIOR SOFTWARE ENGINEER BE DOING? As a Senior Software Engineer, you will work with an experienced agile team to design and deliver packages of bespoke work, work development teams and liaise with customers. You will work through the entire software development life cycle from requirements capture More ❯

Senior Software Engineer Tech : AWS, NodeJS, TypeScript, JavaScript, ReactJS Why? scaling FinTech, revolutionising the industry Location : Hybrid - 1-2 days in the office (Central London) Our Client A new UK-based financial services provider is launching credit card, personal loans and insurance offerings aimed at delivering fair, flexible, and user-friendly financial products to consumers. The organisation … is committed to empowering individuals by enhancing their understanding and control of personal finance through clarity, intelligence, and technology. Senior Software Engineer - Responsibilities Design, develop, and maintain advanced applications. Collaborate with cross-functional teams to define, design, and ship new features. Optimize components for maximum performance across a vast array of web- capable devices and browsers. Maintain … the highest quality. Troubleshoot and debug to optimize performance. Provide code reviews, feedback, and mentorship to junior developers. Stay up-to-date with new technology trends, applications, and protocols Senior Software Engineer - Experience Required Proven experience as a Full Stack Engineer or similar role with a strong portfolio of projects. Expertise in Node.js and AWS Lambda More ❯

Senior Software Engineer/Developer (Data) London/WFH to £115k Global-leading FinTech is seeking a Senior Software Engineer to take ownership of a new team responsible for data focussed strategic enhancements on their core platform. The organisation is a pioneer in the field of cross-asset securities and derivatives post-trade processing … technology and have created ground-breaking, adaptable software that produces secure and scalable solutions for peak operational efficiency and optimum business performance for their clients. This is a great opportunity to accelerate your career alongside established business and technology leaders and deepen your finance experience. As a Senior Software Engineer, you'll work on strategic initiatives … You'll join colleagues in the London office three days a week with flexibility to work from home the other two days. About you: You're a data centric, Senior Software Engineer with a strong knowledge of modern software engineering best practices You have strong development experience with C#, C++ or Python You have advanced SQL More ❯

Senior Software Engineer, C++, COR7263 This is a rare opportunity for an experienced, Senior Software Engineer with skills in C++ and Rust, to join an historic British icon at the forefront of Engineering. The Role Ideally with a background in aerodynamics, data science, vehicle dynamics or computer simulations, the Senior Software Engineer will work closely with Design Engineers, Mechanical Engineers and other technical users, to gather and understand the requirements necessary to ultimately design, develop and maintain the software and computational tools they use - a variety of applications across both web and desktop, such as state-of-the-art simulations, real time data and bespoke analysis tools. Benefits include: Bonus … within Engineering, or other technical environments would be of benefit I want to do that! If you have any questions or would simply welcome a chat about this excellent Senior Software Engineer position and company, just call me or drop me an email, as I'd love to hear from you! If, though, you think this role More ❯

Job Description - Senior Software Engineer () Senior Software Engineer - Job Title: Senior Software Engineer Salary: £48,098+ depending on skills and experience What you'll be doing Completion of allocated software requirements, detailed design and implementation. Testing of completed functionality, both at desktop and target hardware level. Generation of software … of own and others' work products. Robust configuration of completed work. Use of extensive domain knowledge to troubleshoot issues efficiently, and embed technical and process improvements. Securing a formal software technical authority delegation, in order to authorise design and certification artefacts Your skills and experiences Degree or equivalent in Software Engineering/Computer Science. Excellent Software Engineering … skills, with a solid foundation in one of C/C C#/Ada Practical experience of developing embedded software Demonstrated understanding of the full software development lifecycle One or more of the following key skills: - Experience of requirements capture and traceability e.g. DOORS - Experience of Software designs using an appropriate design tool/methodology e.g. UML More ❯

Senior Software Engineer Location: London (Hybrid 2 Days a week) Salary: £70,000 - £90,000 TypeScript - Node - React - GraphQL - AWS - CI/CD - The Opportunity We're working with a fast-growing technology business that is looking to add a Senior Software Engineer to their high-performing, cross-functional engineering team. This is a … seeking someone who thrives on solving complex challenges, loves collaborating in a modern engineering environment, and has a passion for writing clean, well-tested code. The Role As a Senior Software Engineer, you will: Build & Deliver - Design, develop, and maintain full-stack solutions using TypeScript, AWS, GraphQL, and more. Take Ownership - Work across frontend, backend, and infrastructure … Help integrate AI and automation into the product suite to tackle problems in smarter ways. Collaborate - Contribute to code reviews, pair programming, and technical discussions within a talented team. Engineer with Quality - Apply TDD practices, ensuring robust automated testing and CI/CD pipelines. Keep Systems Running Smoothly - Ensure applications are secure, scalable, observable, and performant in production (tools More ❯

Senior Software Engineer – North Yorkshire Competitive salary + great benefits A global market-leader with annual revenues of almost $1bn are looking to grow their Software Engineering team by bringing in a proven Senior Software Engineer. This is an excellent opportunity an experienced Senior Engineer that is looking for a new challenge … and to broaden their skill set within a business that develops world-class and exciting products.As a Senior Software Engineer, it will be your responsibility to plan supervise mid-level Software Engineers, as well as team tasks and responsibilities. This is still very much a hands-on position, but you will be the technical lead on … software design projects. You will become an expert with internal software, systems and procedures in order to effectively perform the duties of the role. Presenting new ideas for improving team effectiveness and efficiency is encouraged.This role will be on site in Kirkbymoorside with the possibility to work one day per week from home. Candidate’s hoping to work More ❯

Senior Software Engineer North Yorkshire Competitive salary + great benefits A global market-leader with annual revenues of almost $1bn are looking to grow their Software Engineering team by bringing in a proven Senior Software Engineer. This is an excellent opportunity an experienced Senior Engineer that is looking for a new challenge … and to broaden their skill set within a business that develops world-class and exciting products. As a Senior Software Engineer, it will be your responsibility to plan supervise mid-level Software Engineers, as well as team tasks and responsibilities. This is still very much a hands-on position, but you will be the technical lead … on software design projects. You will become an expert with internal software, systems and procedures in order to effectively perform the duties of the role. Presenting new ideas for improving team effectiveness and efficiency is encouraged. This role will be on site in Kirkbymoorside with the possibility to work one day per week from home. Candidates hoping to More ❯

Senior Software Engineer page is loaded Senior Software Engineerlocations: UK - London (20 Fenchurch)time type: Full timeposted on: Posted Todayjob requisition id: 2025-811 Job Title: Senior Software Engineer (Python) Reporting to: Lead Software Engineer Direct Reports: N/A Position Type: PermanentStanding still is not an option in the … solutions which delight underwritersAbout the OpportunityThe London Market Underwriting & Reinsurance Performance team consists of Actuaries, Reinsurance Specialists and Engineers reporting into the Chief Underwriting Officer (London Market).As a Senior Software Engineer with experience of Agile and DevOps working within the Underwriting Performance Innovation team, you will research, design, test, develop and support software solutions to … an Actuarial Model Management platform, working closely with the central Innovation & Analytics function to define our developing Data Platform and identify opportunities to demonstrate its value.Core Responsibilities Collaborate with software engineers, data engineers, and underwriters to define and deliver the future of Property & Casualty underwriting at TMHCC International Continually improve ways of working, responding to change and maintaining focus More ❯

Senior Software Engineer/Developer (Full Stack JavaScript) London to £100k Opportunity to progress your career in a senior, hands-on Software Engineer role at a scale-up tech company, that enables smart matching for commercial van drivers and consumers, via job bidding and route optimisation, streamlining processes and delivering CO2 carbon neutral targets … established 10 years, with recent funding of £125 million. You'll be working on complex and interesting systems and can enjoy a range of benefits and perks. As a Senior Software Engineer you'll collaborate as part of an Agile technology team to design and develop, troubleshoot and solve complex software issues to help scale and … understanding of web development practices, tools and technologies You enjoy learning and picking up new things You're flexible and able to adapt to changing priorities You have full software development lifecycle experience including CI/CD and testing You're collaborative with Agile team experience, happy to mentor more junior developers You're likely to be degree educated More ❯

Senior Software Engineer/Developer (Full Stack JavaScript) London to £100k Opportunity to progress your career in a senior, hands-on Software Engineer role at a scale-up tech company, that enables smart matching for commercial van drivers and consumers, via job bidding and route optimisation, streamlining processes and delivering CO2 carbon neutral targets … established 10 years, with recent funding of £125 million. You'll be working on complex and interesting systems and can enjoy a range of benefits and perks. As a Senior Software Engineer you'll collaborate as part of an Agile technology team to design and develop, troubleshoot and solve complex software issues to help scale and … understanding of web development practices, tools and technologies You enjoy learning and picking up new things You're flexible and able to adapt to changing priorities You have full software development lifecycle experience including CI/CD and testing You're collaborative with Agile team experience, happy to mentor more junior developers You're likely to be degree educated More ❯

Senior Software Engineer/Developer (Python FastAPI Data) London to £90k Are you a data centric Software Engineer with strong Python and SQL skills? You could be progressing your career in a senior, hands-on role at a fast growing, global Insurance Underwriting technology provider that focusses on developing a complex SaaS calculation platform … for rapidly growing Cybersecurity insurance markets. As a Senior Software Engineer you will design and develop data centric backend services for the core platform with a focus on Python coding and building FastAPIs within an Azure environment with Databricks. You'll participate in the design and implementation of advanced mechanisms for data ingestion, transformation, mass parallel orchestration … s a hybrid work from home model with three days a week in the high spec London, City office with rooftop bar. About you: You have strong Python backend software engineering skills You have experience of building FastAPIs You have a good knowledge of public cloud services, they're using Azure but experience with AWS or GCP is fine More ❯

Senior Software Engineer/Developer (Python FastAPI Data) London to £90k Are you a data centric Software Engineer with strong Python and SQL skills? You could be progressing your career in a senior, hands-on role at a fast growing, global Insurance Underwriting technology provider that focusses on developing a complex SaaS calculation platform … for rapidly growing Cybersecurity insurance markets. As a Senior Software Engineer you will design and develop data centric backend services for the core platform with a focus on Python coding and building FastAPIs within an Azure environment with Databricks. You'll participate in the design and implementation of advanced mechanisms for data ingestion, transformation, mass parallel orchestration … s a hybrid work from home model with three days a week in the high spec London, City office with rooftop bar. About you: You have strong Python backend software engineering skills You have experience of building FastAPIs You have a good knowledge of public cloud services, they're using Azure but experience with AWS or GCP is fine More ❯

Senior Software Engineer/Developer (C# .Net) London onsite to £150k Are you an experienced C#, backend focussed Software Engineer? You could be progressing your career in a senior, hands-on role at a global Asset Manager with c$3 million under management. As a Senior Software Engineer within the trading … You are collaborative with excellent communication and stakeholder management skills You are degree educated in Computer Science or similar technical discipline What's in it for you: As a Senior Software Engineer/Developer you will receive a competitive package: Salary to £150k Bonus paid every six months based on personal performance (10-25%) Professional development Pension … Health Insurance Gym membership Social events, free fruit, snacks, coffee etc. Apply now to find out more about this Senior Software Engineer/Developer (C# .Net) opportunity. At Client Server we believe in a diverse workplace that allows people to play to their strengths and continually learn. We're an equal opportunities employer whose people come from More ❯

Senior Software Engineer - C#/Agile/Digital Solutions Bournemouth (Hybrid - 2 days per week on-site) £45,000 - £65,000 + Excellent Benefits Are you an experienced Senior Software Engineer looking to take on a role where you can shape solutions, mentor others, and deliver impactful software? This is a fantastic opportunity … to join a forward-thinking organisation at the heart of digital transformation . The role As a Senior Software Engineer, you will: Design, build, test, and maintain scalable software solutions with a focus on quality, performance, and security. Take ownership of the full development lifecycle, from concept to release. Act as a technical authority, mentoring junior … or tools (e.g. Spring Boot, Microservices, Kubernetes). A solid understanding of Agile environments and delivery. Experience mentoring and coaching less experienced engineers. A focus on secure, user-centric software design. A proactive mindset, thriving in fast-paced, collaborative environments. What's on offer £45,000 - £65,000 salary depending on experience. Generous holiday allowance and excellent pension scheme More ❯

Senior Software Engineer (Fullstack Node.js, React, C#) Birmingham, West Midlands Hybrid (2 days onsite per week) Salary: to 60k + Excellent Benefits We are working with a leading software house specialising in enterprise solutions that is seeking a talented Senior Software Engineer to join their Birmingham-based team. This hybrid role offers the … perfect balance between flexibility and collaboration, with 1-2 days a week spent onsite. As a Senior Software Engineer, youll play a key role in the design, development, and delivery of scalable, high-performance software solutions. Youll work across the full stack, focusing on Node.js and React, while collaborating closely with other developers, architects, and stakeholders … to deliver robust applications that meet enterprise-level demands. Key Responsibilities Design, develop, test, and deploy high-quality software solutions. Work across the full stack with Node.js, React , and C#. Build and maintain RESTful APIs for large-scale enterprise systems. Collaborate effectively with stakeholders to define technical requirements and priorities. Implement and maintain automated testing to ensure reliability and More ❯

Senior Software Engineer (Fullstack – Node.js, React, C#)Birmingham, West Midlands – Hybrid (2 days onsite per week)Salary: to 60k + Excellent BenefitsWe are working with a leading software house specialising in enterprise solutions that is seeking a talented Senior Software Engineer to join their Birmingham-based team. This hybrid role offers the perfect … balance between flexibility and collaboration, with 1-2 days a week spent onsite.As a Senior Software Engineer, you’ll play a key role in the design, development, and delivery of scalable, high-performance software solutions. You’ll work across the full stack, focusing on Node.js and React, while collaborating closely with other developers, architects, and stakeholders … to deliver robust applications that meet enterprise-level demands. Key Responsibilities Design, develop, test, and deploy high-quality software solutions. Work across the full stack with Node.js, React , and C#. Build and maintain RESTful APIs for large-scale enterprise systems. Collaborate effectively with stakeholders to define technical requirements and priorities. Implement and maintain automated testing to ensure reliability and More ❯

Taboola, Connexity, and Shopyourlikes) are constantly iterating on products, solving problems for retailers, content creators & influencers, and publishers, building interest in new solutions. We are actively seeking an experienced Senior Software Engineer for our Skimlinks brand, to help us advance our technology stack and product development endeavours. The Senior Software Engineer is based in … London, reports to the Sr. Principal Software Engineer Team Lead, and is a part of the Skimlink's UK Engineering team. This position is a senior-level role responsible for providing technical leadership, guiding and implementing the architecture and design of complex software systems, and driving innovation by combining strong technical expertise with effective communication and … leadership skills to drive success in software development projects. The position will play a pivotal role in designing, building, and implementing systems across all facets of our intricate platform. From managing high-volume data collection and enrichment to automated analysis, and backend services alongside RESTful APIs, your contributions will be fundamental to our success. Additionally, the Senior Software More ❯

Senior Software Engineer (OS) page is loaded Senior Software Engineer (OS)locations: England - Great Abington: England - Remote: Scotland - Remotetime type: Full timeposted on: Posted Todayjob requisition id: 40674-JOB At Illumina, we are expanding access to genomic technology to realize health equity for billions of people around the world. Our efforts enable life-changing … has the opportunity to make a difference. Surrounded by extraordinary people, inspiring leaders, and world changing projects, you will do more and become more than you ever thought possible. Senior Software Engineer - Remote or Cambridge, UK Hybrid working available from our Cambridge office or fully remote within the UKAs Senior Software Engineer here at … the team that powers our industry-leading DNA sequencing and genotyping instruments. Working within Agile scrum teams, you'll design, implement, and test the operating system (OS) and control software that drives our cutting-edge biotech devices. This role is pivotal in ensuring the reliability and performance of our instruments across development, manufacturing, and field environments. You'll collaborate More ❯

Are you an experienced Senior Software Engineer - C# actively looking for a new role? Do you live in the Hertfordshire area or would love the opportunity to relocate and work in one of the UK's most exciting tech hubs? If so, my client has a superb role available to strengthen their R&D team. You will … play a key role in in all aspects of design, implementation and debugging of software to bespoke robotic applications. In this experienced Senior Software Engineer - C# job based in Royston you will be responsible for the following: Design user interfaces that are both intuitive and easy to navigate. Oversee the complete software development lifecycle for … new projects, taking accountability for the software aspects of assigned responsibilities. The successful applicant for this Senior Software Engineer - C# job based in Royston you must be: Proficient in C# and .NET. Have a 2:1 or above degree in electronic engineering, software engineering, or a comparable technical field. Provable professional experience in a related More ❯

Are you an experienced Senior Software Engineer - C# actively looking for a new role? Do you live in the Hertfordshire area or would love the opportunity to relocate and work in one of the UK's most exciting tech hubs? If so, my client has a superb role available to strengthen their R&D team. You will … play a key role in in all aspects of design, implementation and debugging of software to bespoke robotic applications. In this experienced Senior Software Engineer - C# job based in Royston you will be responsible for the following: Design user interfaces that are both intuitive and easy to navigate. Oversee the complete software development lifecycle for … new projects, taking accountability for the software aspects of assigned responsibilities. The successful applicant for this Senior Software Engineer - C# job based in Royston you must be: Proficient in C# and .NET. Have a 2:1 or above degree in electronic engineering, software engineering, or a comparable technical field. Provable professional experience in a related More ❯

Senior Software Engineer (TypeScript Full Stack) London/WFH to £100k Do you enjoy problem solving and working with a range of technologies including functional programming languages such as Elixir, using the right tool for the job? You could be progressing your career in a senior, hands-on Software Engineer role at a successful … office per week) Vitality Healthcare Continuous career development and learning opportunities Influential role as part of a small, close knit team Complex and interesting work Your role: As a Senior Software Engineer you will take ownership, working on technically challenging Greenfield development projects. You'll be working on complex problems with scalability and reliability in mind, across … educated in Computer Science or similar STEM discipline, having achieved a 2.1 or above from a Russel Group/Oxbridge or top 100 global university You are an experienced software engineer with a strong knowledge of best practices and Computer Science fundamentals and experience of delivering complex, data centric software You have advanced analytical and problem solving More ❯

Are you looking for a Senior Embedded Software Engineer C/C++ role working for a global leading engineering business specialising in complex satellite communications systems? If so, my client is currently recruiting for a Senior Embedded Software Engineer C/C++ to join their R&D site based in Chelmsford, Essex. My client … is looking for a Software Engineer to join their Team. They are seeking a key individual to join the existing software team engaged in the development of advanced electronics systems for the satellite modems markets. The purpose of this role is to design, develop and support software within the engineering department. Main responsibilities for the Senior Embedded Engineer C/C++ job will be: - Strong Embedded C and C++ programming for PowerPC or high-performance ARM processors. - Experience programming hardware devices at register level. - Developing low-level embedded software for Linux operating system, Linux kernel development & Linux network programming. Requirements for the Senior Embedded Software Engineer C/C++ job More ❯