276 to 300 of 726 Permanent Senior Software Engineer Jobs

Senior Software Engineer Peterborough (Hybrid, 3 days) £70,000 - £80,000 You would be joining a SaaS company that pride themselves the culture they’ve created. It’s very supportive, collaborative and diverse with a unique family feel that is driven from the top by the CEO - something that usually gets lost in big businesses. If you More ❯

Senior C# Engineer – City of London (On-site) Permanent | £90,000 – £120,000 We’re partnered with an innovative proprietary trading firm in the City of London that is hiring a Senior C# Software Engineer . You’ll work on greenfield projects, cutting-edge technology, and play a key part in shaping systems that directly More ❯

Senior C# Engineer – City of London (On-site) Permanent | £90,000 – £120,000 We’re partnered with an innovative proprietary trading firm in the City of London that is hiring a Senior C# Software Engineer . You’ll work on greenfield projects, cutting-edge technology, and play a key part in shaping systems that directly More ❯

Senior C# Engineer – City of London (On-site) Permanent | £90,000 – £120,000 We’re partnered with an innovative proprietary trading firm in the City of London that is hiring a Senior C# Software Engineer . You’ll work on greenfield projects, cutting-edge technology, and play a key part in shaping systems that directly More ❯

Senior C# Engineer – City of London (On-site) Permanent | £90,000 – £120,000 We’re partnered with an innovative proprietary trading firm in the City of London that is hiring a Senior C# Software Engineer . You’ll work on greenfield projects, cutting-edge technology, and play a key part in shaping systems that directly More ❯

Senior C# Engineer – City of London (On-site) Permanent | £90,000 – £120,000 We’re partnered with an innovative proprietary trading firm in the City of London that is hiring a Senior C# Software Engineer . You’ll work on greenfield projects, cutting-edge technology, and play a key part in shaping systems that directly More ❯

Senior Software Engineer UK Remote Bright Purple is working with a growing company in the education space, and we are on a mission to find the newest member of their small but mighty software team. So, if you like to work in a small team where your contribution is visible, read on. Benefits: Fully remote with More ❯

Senior Software Engineer UK Remote Bright Purple is working with a growing company in the education space, and we are on a mission to find the newest member of their small but mighty software team. So, if you like to work in a small team where your contribution is visible, read on. Benefits: Fully remote with More ❯

and outside of work. Learn more about Lockheed Martin's competitive and comprehensive benefits package. We support our employees, so they can support our mission. THE WORK As a Senior Software Engineer you will: • Analyze user requirements to derive software design and performance requirements • Provide recommendations for improving documentation and software development process standards • Design … and code new software or modify existing software to add new features • Integrate existing software into new or modified systems or operating environments • Design, develop and modify software systems, using scientific analysis and mathematical models to predict and measure outcome and consequences of design • Design or implement complex algorithms requiring adherence to strict timing, system resource … or interface constraints; Perform quality control on team products • Confer with system engineers and hardware engineers to derive software requirements and to obtain information on project limitations and capabilities, performance requirements and interfaces • Ensure quality control of all developed and modified software • Recommend new technologies and processes for complex software projects This position is participating in our More ❯

Senior Software Engineer Full Stack - Ruby on Rails, React Up to £85k Fully Remote - must be UK based A fast-growing sports tech company building high-performance, data-driven products for a rapidly expanding global user base are searching for a Senior Fullstack Engineer. As part of a cross-functional Product Team , you'll work closely More ❯

Job Title: Senior Java Software Engineer Salary: 60,000 - 80,000 + package Location: Cardiff (onsite circa 2 days every other week) Clearance: Must be SC eligible CPS Group are looking for a Senior Java Software Engineer to join a highly skilled engineering team delivering enterprise-scale solutions in an agile, collaborative environment based … in Cardiff. You'll be working across the full software development lifecycle, applying a DevOps mindset and contributing to the design and delivery of high-quality, secure, and scalable applications. This is a hands-on role where you'll apply strong technical expertise in Java and Spring, and ideally bring experience with containerisation and cloud environments. Key Responsibilities Design … build, and maintain high-quality Java applications. Contribute to the development of microservices and modern architectures. Work with Spring framework to deliver scalable solutions. Apply best practices in software engineering including TDD, CI/CD, and automation. Collaborate within an agile team to drive continuous improvement. Ensure solutions meet security and performance requirements. Key Skills Required Strong commercial experience More ❯

Job Title: Senior Java Software Engineer Salary: £60,000 - £80,000 + package Location: Cardiff (onsite circa 2 days every other week) Clearance: Must be SC eligible CPS Group are looking for a Senior Java Software Engineer to join a highly skilled engineering team delivering enterprise-scale solutions in an agile, collaborative environment based … in Cardiff. You'll be working across the full software development lifecycle, applying a DevOps mindset and contributing to the design and delivery of high-quality, secure, and scalable applications. This is a hands-on role where you'll apply strong technical expertise in Java and Spring, and ideally bring experience with containerisation and cloud environments. Key Responsibilities Design … build, and maintain high-quality Java applications. Contribute to the development of microservices and modern architectures. Work with Spring framework to deliver scalable solutions. Apply best practices in software engineering including TDD, CI/CD, and automation. Collaborate within an agile team to drive continuous improvement. Ensure solutions meet security and performance requirements. Key Skills Required Strong commercial experience More ❯

Senior Software Engineer (Rust) - London - Permanent - £150,000 to £180,000 La Fosse have partnered with a cutting-edge digital trading firm (crypto & proprietary) who are building out their nascent London office . This is a rare opportunity to join at an early stage, with the chance to shape technical direction while working on high-performance, low … building and optimizing low-latency, high-performance systems Bonus Skills: Knowledge of multithreading Familiarity with web protocols (REST, WebSocket) Experience with high-throughput systems If you’re a Rust engineer passionate about performance-critical systems and want to work on bleeding-edge trading technology , this is the opportunity to make a real impact. How to apply: Please click the More ❯

Senior Software Engineer (Rust) - London - Permanent - £150,000 to £180,000 La Fosse have partnered with a cutting-edge digital trading firm (crypto & proprietary) who are building out their nascent London office . This is a rare opportunity to join at an early stage, with the chance to shape technical direction while working on high-performance, low … building and optimizing low-latency, high-performance systems Bonus Skills: Knowledge of multithreading Familiarity with web protocols (REST, WebSocket) Experience with high-throughput systems If you’re a Rust engineer passionate about performance-critical systems and want to work on bleeding-edge trading technology , this is the opportunity to make a real impact. How to apply: Please click the More ❯

Senior Software Engineer (Rust) - London - Permanent - £150,000 to £180,000 La Fosse have partnered with a cutting-edge digital trading firm (crypto & proprietary) who are building out their nascent London office . This is a rare opportunity to join at an early stage, with the chance to shape technical direction while working on high-performance, low … building and optimizing low-latency, high-performance systems Bonus Skills: Knowledge of multithreading Familiarity with web protocols (REST, WebSocket) Experience with high-throughput systems If you’re a Rust engineer passionate about performance-critical systems and want to work on bleeding-edge trading technology , this is the opportunity to make a real impact. How to apply: Please click the More ❯

Senior Software Engineer (Rust) - London - Permanent - £150,000 to £180,000 La Fosse have partnered with a cutting-edge digital trading firm (crypto & proprietary) who are building out their nascent London office . This is a rare opportunity to join at an early stage, with the chance to shape technical direction while working on high-performance, low … building and optimizing low-latency, high-performance systems Bonus Skills: Knowledge of multithreading Familiarity with web protocols (REST, WebSocket) Experience with high-throughput systems If you’re a Rust engineer passionate about performance-critical systems and want to work on bleeding-edge trading technology , this is the opportunity to make a real impact. How to apply: Please click the More ❯

Senior Software Engineer (Rust) - London - Permanent - £150,000 to £180,000 La Fosse have partnered with a cutting-edge digital trading firm (crypto & proprietary) who are building out their nascent London office . This is a rare opportunity to join at an early stage, with the chance to shape technical direction while working on high-performance, low … building and optimizing low-latency, high-performance systems Bonus Skills: Knowledge of multithreading Familiarity with web protocols (REST, WebSocket) Experience with high-throughput systems If you’re a Rust engineer passionate about performance-critical systems and want to work on bleeding-edge trading technology , this is the opportunity to make a real impact. How to apply: Please click the More ❯

Senior Software Developer - Preston - Onsite role (opportunity for a 4 day working week) - C#, .Net, SQL) Salary upto £80,000 We are working with a forward-thinking company dedicated to producing sustainable and eco-friendly products. Founded over 30 years, the company has quickly become a world leader in their domain. They are looking for a senior software developer who thinks outside the box where you will be contributing to the ongoing development and enhancement of core systems using C# Angular, WPF, WebApi, and SQL server. Requirements- 5+ years experience using C# .Net Experience with T-SQL important for this role Ability to work in a fast paced environment This will be a 3 stage More ❯

Senior Software Developer - Preston - Onsite role (opportunity for a 4 day working week) - C#, .Net, SQL) Salary upto £80,000 We are working with a forward-thinking company dedicated to producing sustainable and eco-friendly products. Founded over 30 years, the company has quickly become a world leader in their domain. They are looking for a senior software developer who thinks outside the box where you will be contributing to the ongoing development and enhancement of core systems using C# Angular, WPF, WebApi, and SQL server. Requirements- 5+ years experience using C# .Net Experience with T-SQL important for this role Ability to work in a fast paced environment This will be a 3 stage More ❯

Opportunity via QSSHire Talent-as-a-Service Recruiting Role: Senior Full-Stack Software Engineer (AI Platform) Location: Herndon, VA-Hybrid Clearance Required: TS/SCI w FSP Rate: Open Are You a Software Engineer Ready to Take on Mission-Critical National Security Work? QSSHire is partnering with a cleared federal contractor on a high-impact … program. We're searching for a Senior Full-Stack Software Engineer with deep Java and modern UI skills and a passion for mission-focused innovation. You'll join a fast-paced team modernizing how secure environments deliver AI-enabled applications. From refactoring Java services to shipping TypeScript UIs and deploying workloads on Kubernetes, your work will empower … and extend secure, scalable Java services and APIs • Deliver modern front-ends with React/Angular Vue, TypeScript/JavaScript, CSS, and JSON- driven UIs • Investigate, understand, and reverse-engineer existing codebases; map dependencies and safely refactor • Work with Postgres and DynamoDB; design schemas, queries, and integrations • Integrate messaging and event patterns using Kafka/SNS/SQS • Ship More ❯

Senior System Software Engineer, NCCL - Partner Enablement page is loaded Senior System Software Engineer, NCCL - Partner Enablementtime type: Full timeposted on: Posted 30+ Days Agojob requisition id: JRNVIDIA is leading the way in groundbreaking developments in Artificial Intelligence, High Performance Computing and Visualization. The GPU, our invention, serves as the visual cortex of modern More ❯

Senior Software Engineer (PHP-Laravel) What you can expect We are looking for a backend engineer to design and develop scalable, secure services using PHP and Laravel. You will build modular front-end and back-end systems, maintain real-time data feeds and APIs, and optimize code for performance. Responsibilities include implementing libraries to improve efficiency … enhancing software robustness, and collaborating with cross-functional teams. You'll also participate in design discussions, code reviews, and detailed code analysis to ensure high-quality delivery. About the Team Workvivo is a digital experience platform dedicated to amplifying workplace culture and fostering employee inclusion, regardless of location. Committed to customer satisfaction, Workvivo focuses on enhancing employees' working lives … and accurate data rendering to meet user requirements. Optimizing Code and Implement Libraries: Identify, implement, and manage code libraries to reduce repetitive code, improve application design, and enhance overall software performance. Enhancing Software Performance: Utilize advanced code optimization techniques to boost the robustness, efficiency, and performance of software solutions. Collaborating with Cross-Functional Teams: Work closely with More ❯

Job Title: Senior Embedded Software Engineer Industry: Embedded Electronics, Electronic Engineering Location: Dorset (Hybrid) 2 days remote working Job type: Full time/Permanent Salary: £50,000 - £65,000 per annum + benefits (depending on experience and skill set) A few of my clients in the Bristol area are looking for experienced Embedded Software Engineers working … on low-level Embedded C. The Mid-Level/Senior Embedded Software Engineer will ideally have the following skills: Strong experience with Bare-metal C programming and Assembler Experience with microcontrollers Experience of software development with a controlled development environment Experience with Operating systems (Linux/FreeRTOS) Some knowledge and experience on hardware or working hardware More ❯

Overview We are seeking a highly skilled Senior Software Engineer with deep knowledge of C++ and C#, and strong expertise in the design and architecture of software for complex test equipment systems. This role requires developing software in Windows 10/11 environments and directly integrating it with hardware lab equipment such as oscilloscopes, multimeters … have hands-on experience with National Instruments TestStand and related NI hardware, supporting mission-critical aerospace and defense programs. Responsibilities Lead the design, architecture, and implementation of test equipment software solutions Develop software in C++ and C# for Windows 10/11 platforms Perform hands-on integration of software with electronic test and measurement equipment (oscilloscopes, multimeters … TestStand for automated test execution and validation Participate in lab-based testing and troubleshooting of integrated systems Participate in design reviews, provide technical documentation, and maintain coding standards Ensure software meets export/import compliance requirements Qualifications: Required: Bachelor's degree in Computer Science, Computer Engineering, or related field (or equivalent experience) 7+ years of professional software engineering More ❯

Annapolis Micro Systems, Inc. is seeking an intelligent and versatile Cleared Senior Software Engineer with TS/SCI clearance and polygraph to work in a team that identifies customer problems and creates high-performance software solutions. Our team has built a reputation for products that incorporate image processing, image manipulation, large-scale disk and database access … and the end-user. Woman-founded in 1982 and located in beautiful Annapolis, Maryland, we have a long history of performing innovative full-custom integrated circuit design, analysis, and software engineering. We offer a professional, friendly environment, with the opportunity to be compensated well for doing cutting-edge work. Your contributions on high-profile programs will have an important … computing technology. We offer the variety, challenge, and stability you are looking for, submit your application today for immediate consideration! Essential Duties and Responsibilities • Develop, Test, Deploy, and Maintain Software Products • Design Object-Oriented Software Architectures • Capture Requirements by Interacting with Customers • Automate Build, Test, and Deployment of Software Products • Provide Customer Support for Software Products More ❯