76 to 100 of 748 Permanent Senior Software Engineer Jobs

LocationSheffield (priority), Birmingham, Edinburgh., United Kingdom# Senior Software Engineer - GCP Focus at N Consulting LtdLocationSheffield (priority), Birmingham, Edinburgh., United KingdomSalary£300 - £400/dayJob TypeContractDate PostedSeptember 7th, 2025Apply Now Job Opportunity: Senior Software Engineer - GCP Focus Locations (priority order): Sheffield > Birmingham > Edinburgh Contract Duration: 6+ months (extensions possible based on performance) Work Model: Hybrid … days/week onsite from one of the offices) Important: Candidates must be open and comfortable with FTE conversion . Role Overview We are looking for a highly motivated Senior Software Engineer with strong expertise in Google Cloud Platform (GCP) and modern software engineering practices. This role involves designing, developing, and maintaining resilient backend services, frontend … and risk standards.Support live systems, conduct root-cause analysis, and resolve performance issues. Qualifications & Experience Bachelor's/Master's in Computer Science or equivalent professional experience. 5+ years' software engineering experience with distributed systems.Proficiency in Golang and Python .Strong hands-on experience with GCP cloud-native services (AWS exposure desirable).Infrastructure as Code (Terraform/Ansible) and DevOps More ❯

Senior Software Engineer - Analytics Front Office Senior Software Engineer - Analytics Front Office Job Location London Employment type Regular Department Technology Targeted Start Date Immediate DRW is a diversified trading firm with over 3 decades of experience bringing sophisticated technology and exceptional people together to operate in markets around the world. We value autonomy and … how we do it. DRW is a place of high expectations, integrity, innovation and a willingness to challenge consensus. The UP - Analytics Front Office team is looking for a Senior Software Engineer who relishes working in challenging time-critical environments solving complex problems alongside highly capable peers . Our team operates services providing real-time PnL and … of trading desks each with varying degrees of portfolio and model complexity . While previous experience in the trading and finance industry is beneficial, we're looking for talented software engineers with or without industry-specific expertise . UP - Analytics Front Office primarily operates C# services heavily utilizing RX for LINQ-style composition and asynchronous dispatch. We often reach More ❯

Senior Software Engineer -Llama Stack Operator- (Ireland) page is loaded Senior Software Engineer -Llama Stack Operator- (Ireland)remote type: Hybridlocations: Waterford City: Dublin - MSO: Cork: Remote Irelandtime type: Full timeposted on: Posted Todayjob requisition id: R-050489 Job Summary At Red Hat, our commitment to open source innovation extends beyond our products - it's … our associates to focus on higher-impact work, creating smart, more innovative solutions that solve our customers' most pressing challenges.Red Hat's Global Engineering team is looking for a Senior Software Engineer to join the Agentic and AI Engineering Tools team to develop a Kubernetes/OpenShift Operator and associated software for orchestrating deployment of Llama … this role, you'll contribute directly to Red Hat's rapidly growing AI/ML family of products and will be responsible for the design, development, and refinement of software adding features that enables Llama Stack to achieve Enterprise readiness.The ideal candidate will have a proven background in developing robust and scalable code. As part of your responsibilities, you More ❯

Overview Commify is on a mission to revolutionise business communications, and we are looking for an experienced Senior Software Engineer to join our passionate team. In this role, you will lead the development and enhancement of our cutting-edge messaging platform, ensuring it meets the evolving needs of businesses around the world. Your expertise will help shape … our product vision, drive innovation, and create exceptional user experiences. As a Senior Software Engineer, you will collaborate closely with product managers, designers, and fellow engineers to deliver high-quality software solutions. We value creativity, critical thinking, and a proactive approach to problem-solving. If you have a strong technical background and want to work in … a fast-paced environment, Commify is the perfect place for you. The Senior Software Engineer will Responsibilities Architect, design, develop, and deploy software solutions across our products. Engage in all phases of the software development lifecycle in an agile environment. Collaborate with cross functional teams to refine requirements into actionable tasks. Contribute to continuous improvement More ❯

Senior Software Engineer Key Technologies: C#, .NET, React, AWS, Docker, Kubernetes City of London, United Kingdom Perm Role: £80,000 - £120,000 Harrington Starr has partnered with a Global Financial Services Vendor and they are looking for a Senior C#, .NET Software Engineer to join their growing team! This role provides the perfect opportunity … communication skills. Unrestricted right to work in the UK. This role offers hybrid working, with an office location based in the City of London. This role will suit a Senior Software Engineer, with expert C#, .NET experience and commercial use of React having a direct impact from the get-go. Apply below and if you have any More ❯

Senior Software Engineer Key Technologies: C#, .NET, React, AWS, Docker, Kubernetes City of London, United Kingdom Perm Role: £80,000 - £120,000 Harrington Starr has partnered with a Global Financial Services Vendor and they are looking for a Senior C#, .NET Software Engineer to join their growing team! This role provides the perfect opportunity … communication skills. Unrestricted right to work in the UK. This role offers hybrid working, with an office location based in the City of London. This role will suit a Senior Software Engineer, with expert C#, .NET experience and commercial use of React having a direct impact from the get-go. Apply below and if you have any More ❯

Senior Software Engineer page is loaded Senior Software Engineerlocations: Irelandtime type: Full timeposted on: Posted Todayjob requisition id: JR108548Genesys empowers organizations of all sizes to improve loyalty and business outcomes by creating the best experiences for their customers and employees. Through Genesys Cloud, the AI-powered Experience Orchestration platform, organizations can accelerate growth by delivering … ownership of their work. Join the team and create the future of customer experience together. The Team and Your Role We're a tight-knit, diverse team that believes software innovation is at the heart of creating value with AI. We're seeking a Senior Software Engineer to join our team of accomplished professionals to help … adoption of emerging technologies while maintaining high engineering standards Required Skills & Experience: Education & Experience : University degree in Computer Science or related field (or equivalent experience), with 5+ years of software engineering experience Advanced Programming & Architecture : Expert-level Python/Java skills with deep OOP/FP knowledge, design patterns expertise, and proven ability to design complex systems and microservices More ❯

Senior Software Engineer page is loaded Senior Software Engineerlocations: Leeds Wellington Placetime type: Full timeposted on: Posted Todaytime left to apply: End Date: September 26, 2025 (13 days left to apply)job requisition id: 125131 End Date Thursday 25 September 2025 Salary Range £68,202 - £102,303 Flexible Working Options Hybrid Working Job Description Summary … . Job Description JOB TITLE: Senior Software Engineer SALARY: £70,929 - £78,810 LOCATION: Leeds HOURS: Full time WORKING PATTERN: Hybrid, 40% (or two days) in our Leeds office About this opportunity We are looking for a motivated front-end engineer to join feature teams dedicated to building a brand-new digital stockbroking platform from the … and integration with SaaS solutions via RESTful APIs. Container technologies (Docker, Kubernetes) and experience with cloud platforms such as GCP.And any experience of these would be really useful Delivering software solutions in financial services (particularly trading/investments or wealth) Delivering large scale data migrations (500k+ customers) Certifications in any of the above technologies About working for us Our More ❯

Are you an experienced Senior Software Engineer with strong Delphi expertise? Join a forward-thinking technology business, working on a diverse range of bespoke applications, APIs, and databases that underpin both customer-facing products and internal systems. Senior Software Engineer - Delphi & C# Location: Hybrid (office in Southampton, Hampshire) Salary: Circa … + up to 15% discretionary bonus Benefits: Bonus scheme, pension, healthcare, EV car scheme, volunteering day, career progression & more The Role As a Senior Software Engineer, you'll be part of a collaborative Agile product team, responsible for designing, developing, and maintaining innovative software solutions. You will: Write clean, efficient, and secure code in Delphi and … part in Agile ceremonies, code reviews, and sprint delivery. Support out-of-hours incident resolution on a rota basis. This role offers the chance to work across the full software lifecycle, while shaping technical direction and supporting the growth of your peers. About You You'll be a strong communicator and problem-solver, with the ability to work across More ❯

We're excited to be recruiting for a Senior Software Engineer to join a fast-paced and passionate team working on innovative software solutions. This role offers the opportunity to make a real impact on the development of cutting-edge applications, including a major responsive Single Page Application, built with the latest web and cloud technologies. … As a Senior Software Engineer, you'll not only be hands-on in design and development but also play a key role in solution design, mentoring colleagues, and ensuring high standards in delivery, security, and performance. Key responsibilities for the Senior Software Engineer - Lead on solution design, story refinement, and identifying/recommending technical … options Design and develop new software solutions across front-end, middle-tier, and database layers Build and maintain components using Angular, TypeScript, JavaScript, HTML, and CSS Contribute to mobile app development with Angular NativeScript Deliver middle-tier development using C#, EF Core, .NET 8, LINQ, and .NET Framework Manage build and deployment activities with Azure DevOps and Bicep templates More ❯

Senior Backend Software Engineer - Cloud-Native Platform | Up to £85,000 | Hybrid (Nottinghamshire HQ) I'm delighted to be once again recruiting on behalf of my technology-led client that's building a modern, cloud-native platform from the ground up. They're looking for a Senior Backend Software Engineer to join a high … environment, and contributing to architectural decisions. The team values clean code, automation, and continuous improvement-and they're looking for someone who shares that mindset. Key responsibilities as the Senior Back-End Software Engineer are: Design and develop backend services using Node.js and TypeScript , deployed in a cloud-native environment. Build and maintain GraphQL and REST APIs … working: 3 days per week onsite in Nottinghamshire HQ Flexible hours and collaborative team culture Opportunity to work on a greenfield platform using modern technologies If you're a senior engineer looking for a fresh challenge in a tech-first environment, I'd love to speak with you. Drop me a message for a confidential chat or to More ❯

Senior Software Developer An exciting opportunity awaits a Senior Software Engineer to join a well-established design consultancy specializing in advanced signal and image processing technology. We are looking for an experienced professional to bring both expertise and innovative solutions to highly complex, cutting-edge projects. You will be at the forefront of product development … mentoring junior engineers, and collaborating closely with multidisciplinary teams to push the boundaries of software and embedded systems. With access to continuous learning opportunities and collaboration with industry leaders, this role is perfect for a senior engineer who thrives in a challenging, forward-thinking environment. Key Qualifications : 5+ years of experience in software development, with an … lead and mentor junior engineers Benefits : Competitive salary commensurate with experience 25 days of paid leave plus public holidays 10% pension contribution Comprehensive life insurance and income protection Position : Senior Software Developer – Signal/Image Processing Location : Surrey Apply : Send your CV to kristian AT enterpriserecruitment DOT com More ❯

Senior Software Engineer - Up to £300,000 - Cambridge Title : Senior Software Engineer Company : Proprietary HFT Location : Cambridge Pay : Up to £300,000 with huge potential to increase Company : A proprietary trading firm in Cambridge, specialising in the research and development of ultra-low-latency automated trading strategies, are looking for a Software Engineer with a demonstrable background of delivering complex projects from a concept through to delivery. It is important that you have been involved in the entire software development life cycle (SDLC), as this dynamic role will require you to rapidly prototype - and ultimately move into production - highly complex, reliable and performant systems - oftentimes from scratch. Role : Develop ultra-low … latency exchange connectivity layers using reliable C++ code Work closely with a close-knit team of Software Developers and Quant Traders Build mission-critical research systems from scratch This is an early-stage hire for the team. Much of your work will be completely greenfield. You will be involved in the designing, prototyping, testing and productionising new software. Providing More ❯

Senior Software Engineer - Scotland - Up to £55,000 Are you a seasoned software engineer with a passion for ground-breaking technology? Imagine working remotely from the scenic landscapes of Scotland, with occasional office visits, all while earning a competitive salary of up to £55,000. This role offers the chance to be at the forefront … What is in it for you: Flexible hours and hybrid working Excellent holidays Strong employer pension contribution Opportunities to travel to conferences around the world The Role: As a Senior Software Engineer, you will initially join as a fully hands-on contributor, working on complex systems. You will work closely with other senior, hands-on colleagues More ❯

Senior Software Engineer UK Remote Are you ready to put your technical expertise to work in transforming services that directly improve lives across the UK? Our client provides emergency accommodation and vital support for some of the countrys most vulnerable people including survivors of domestic abuse, refugees, and individuals seeking asylum. Their mission is to create safe … environments and deliver innovative solutions that protect and empower those most in need. They are now looking for a Senior Software Engineerto take a key role in rebuilding and modernising their software landscape. This is a unique opportunity to shape critical systems that underpin essential frontline services. Whats on Offer Fully remote within the UK Salary up … pipelines, version control, testing, and code reviews Excellent communication skills, able to work effectively with diverse teams Background in Agile methodologies Eligible for SC Clearance If youre a seasoned Senior Software Engineer passionate about building scalable solutions, and want your skills to make a real difference, wed love to hear from you. Due to close links to More ❯

Senior Software Engineer UK Remote Are you ready to put your technical expertise to work in transforming services that directly improve lives across the UK? Our client provides emergency accommodation and vital support for some of the countrys most vulnerable people including survivors of domestic abuse, refugees, and individuals seeking asylum. Their mission is to create safe … environments and deliver innovative solutions that protect and empower those most in need. They are now looking for a Senior Software Engineerto take a key role in rebuilding and modernising their software landscape. This is a unique opportunity to shape critical systems that underpin essential frontline services. Whats on Offer Fully remote within the UK Salary up … pipelines, version control, testing, and code reviews Excellent communication skills, able to work effectively with diverse teams Background in Agile methodologies Eligible for SC Clearance If youre a seasoned Senior Software Engineer passionate about building scalable solutions, and want your skills to make a real difference, wed love to hear from you. Due to close links to More ❯

Senior Software Engineer UK Remote Are you ready to put your technical expertise to work in transforming services that directly improve lives across the UK? Our client provides emergency accommodation and vital support for some of the countrys most vulnerable people including survivors of domestic abuse, refugees, and individuals seeking asylum. Their mission is to create safe … environments and deliver innovative solutions that protect and empower those most in need. They are now looking for a Senior Software Engineerto take a key role in rebuilding and modernising their software landscape. This is a unique opportunity to shape critical systems that underpin essential frontline services. Whats on Offer Fully remote within the UK Salary up … pipelines, version control, testing, and code reviews Excellent communication skills, able to work effectively with diverse teams Background in Agile methodologies Eligible for SC Clearance If youre a seasoned Senior Software Engineer passionate about building scalable solutions, and want your skills to make a real difference, wed love to hear from you. Due to close links to More ❯

At a Glance Capsa is an AI platform that accelerates due diligence and deepens insights for Private Equity funds. We are hiring senior software engineers who are comfortable contributing across all layers of the application and developing features end to end. Details: Role : Senior Software Engineer - Full Stack Location : London, UK (Hybrid, In-Person … defense companies like QinetiQ and retail tech startups such as Standard AI. The entire team consists of early-stage startup veterans passionate about building exceptional products. The Role A senior software engineer at Capsa is expected to own projects and features from conception to production, working across the stack to deliver improvements to our AI platform. Key … vision and will have a direct impact on its success. Have the opportunity for fast career growth. Enjoy yourself! Apply if: You have 5+ years of experience as a software engineer in a venture backed startup or top tech firm. You have taken entire products or features from ideation to production and you've measured their impact. You More ❯

At a Glance Capsa is an AI platform that accelerates due diligence and deepens insights for Private Equity funds. We are hiring senior software engineers who are comfortable contributing across all layers of the application and developing features end to end. Details: Role : Senior Software Engineer - Full Stack Location : London, UK (Hybrid, In-Person … defense companies like QinetiQ and retail tech startups such as Standard AI. The entire team consists of early-stage startup veterans passionate about building exceptional products. The Role A senior software engineer at Capsa is expected to own projects and features from conception to production, working across the stack to deliver improvements to our AI platform. Key … vision and will have a direct impact on its success. Have the opportunity for fast career growth. Enjoy yourself! Apply if: You have 5+ years of experience as a software engineer in a venture backed startup or top tech firm. You have taken entire products or features from ideation to production and you've measured their impact. You More ❯

At a Glance Capsa is an AI platform that accelerates due diligence and deepens insights for Private Equity funds. We are hiring senior software engineers who are comfortable contributing across all layers of the application and developing features end to end. Details: Role : Senior Software Engineer - Full Stack Location : London, UK (Hybrid, In-Person … defense companies like QinetiQ and retail tech startups such as Standard AI. The entire team consists of early-stage startup veterans passionate about building exceptional products. The Role A senior software engineer at Capsa is expected to own projects and features from conception to production, working across the stack to deliver improvements to our AI platform. Key … vision and will have a direct impact on its success. Have the opportunity for fast career growth. Enjoy yourself! Apply if: You have 5+ years of experience as a software engineer in a venture backed startup or top tech firm. You have taken entire products or features from ideation to production and you've measured their impact. You More ❯

At a Glance Capsa is an AI platform that accelerates due diligence and deepens insights for Private Equity funds. We are hiring senior software engineers who are comfortable contributing across all layers of the application and developing features end to end. Details: Role : Senior Software Engineer - Full Stack Location : London, UK (Hybrid, In-Person … defense companies like QinetiQ and retail tech startups such as Standard AI. The entire team consists of early-stage startup veterans passionate about building exceptional products. The Role A senior software engineer at Capsa is expected to own projects and features from conception to production, working across the stack to deliver improvements to our AI platform. Key … vision and will have a direct impact on its success. Have the opportunity for fast career growth. Enjoy yourself! Apply if: You have 5+ years of experience as a software engineer in a venture backed startup or top tech firm. You have taken entire products or features from ideation to production and you've measured their impact. You More ❯

At a Glance Capsa is an AI platform that accelerates due diligence and deepens insights for Private Equity funds. We are hiring senior software engineers who are comfortable contributing across all layers of the application and developing features end to end. Details: Role : Senior Software Engineer - Full Stack Location : London, UK (Hybrid, In-Person … defense companies like QinetiQ and retail tech startups such as Standard AI. The entire team consists of early-stage startup veterans passionate about building exceptional products. The Role A senior software engineer at Capsa is expected to own projects and features from conception to production, working across the stack to deliver improvements to our AI platform. Key … vision and will have a direct impact on its success. Have the opportunity for fast career growth. Enjoy yourself! Apply if: You have 5+ years of experience as a software engineer in a venture backed startup or top tech firm. You have taken entire products or features from ideation to production and you've measured their impact. You More ❯

Senior Software Engineer UK Remote Are you ready to put your technical expertise to work in transforming services that directly improve lives across the UK? Our client provides emergency accommodation and vital support for some of the countrys most vulnerable people including survivors of domestic abuse, refugees, and individuals seeking asylum. Apply promptly! A high volume of … to send your CV. Their mission is to create safe environments and deliver innovative solutions that protect and empower those most in need. They are now looking for a Senior Software Engineerto take a key role in rebuilding and modernising their software landscape. This is a unique opportunity to shape critical systems that underpin essential frontline services. … pipelines, version control, testing, and code reviews Excellent communication skills, able to work effectively with diverse teams Background in Agile methodologies Eligible for SC Clearance If youre a seasoned Senior Software Engineer passionate about building scalable solutions, and want your skills to make a real difference, wed love to hear from you. Due to close links to More ❯

Senior Backend Software Engineer/Developer (Rust HFT) London/WFH to £180k Do you have expertise with backend software engineering within trading/finance environments? You could be progressing your career at a hugely profitable High Frequency Trading firm that specialise in crypto markets. As a Senior Backend Software Engineer you will … design and develop backend services for real-time risk, pricing, trading engines and market making systems, working across the full software development lifecycle using Rust. You'll collaborate with a small, talented team, collaboratively problem solving and working on complex and challenging systems with interesting work and huge bonus earning potential. Location/WFH: You'll join the team … in Central London with flexibility to work from home twice a week. About you: You have strong backend OOP, multithreaded software engineering experience You have commercial Rust development experience You have experience of working on high throughput, low latency trading systems You achieved a 2.1 or above in Computer Science from a top tier university You are collaborative and More ❯

Modern Mission Software Engineer - Senior Job Locations US-MD Req No. Category Computers/Software Type Regular Full-Time Clearance Level TS/SCI w/FSP Overview BAI, a defense contractor, is seeking a Full-Stack or Back-End Software Engineer with approximately 8 years of experience to support Software Design and … directly related experience, geographic location, and possible contractual requirements which could fall outside of this range. Responsibilities Role involves close collaboration with a cross-functional team of system and software engineers to design, develop, and deploy crucial functional enhancements to systems Independently design, develop, and document high-quality, scalable Java (Spring Boot) software solutions. This includes writing clean … troubleshoot complex technical issues, providing innovative solutions to overcome development challenges Create and maintain comprehensive technical documentation for developed features and processes Qualifications Eight (8) years' experience as a Software Engineer in software development/engineering, including requirements analysis, software development, installation, integration, evaluation, enhancement, maintenance, testing, or problem diagnosis/resolution Must be able to More ❯