276 to 300 of 1,170 Permanent Senior Software Engineer Jobs

Senior Software Engineer Location: London/Hybrid Salary: £70,000-£80,000 About Us I am working with a fast-growing cybersecurity company on a mission to secure digital identities where they live in the browser. Their platform hardens and continuously monitors the identity attack surface, protecting … next generation of browser-based identity security and are looking for passionate, driven engineers to join us on this journey. The Role As a Senior Software Engineer, you’ll play a critical role in architecting and delivering scalable, secure, and high-performance systems. You’ll work across … driven engineering culture Tech Stack Languages: TypeScript, Python Frameworks: React, Node.js, FastAPI Cloud: AWS, Kubernetes, Docker What We’re Looking For 5+ years of software engineering experience, ideally in cybersecurity or SaaS Strong experience with modern web development (React, Node.js) and backend services (Python, etc.) Solid understanding of browser More ❯

Senior Software Engineer Location: London/Hybrid Salary: £70,000-£80,000 About Us I am working with a fast-growing cybersecurity company on a mission to secure digital identities where they live in the browser. Their platform hardens and continuously monitors the identity attack surface, protecting … next generation of browser-based identity security and are looking for passionate, driven engineers to join us on this journey. The Role As a Senior Software Engineer, you’ll play a critical role in architecting and delivering scalable, secure, and high-performance systems. You’ll work across … driven engineering culture Tech Stack Languages: TypeScript, Python Frameworks: React, Node.js, FastAPI Cloud: AWS, Kubernetes, Docker What We’re Looking For 5+ years of software engineering experience, ideally in cybersecurity or SaaS Strong experience with modern web development (React, Node.js) and backend services (Python, etc.) Solid understanding of browser More ❯

Senior Software Engineer | TypeScript/Go & AWS Lambda | Web3/Crypto Innovation Hub Step into the engine room of one of London’s most exciting Web3 gaming ventures. This is a chance to build future-defining crypto gaming products, from live casinos to blockchain lotteries, backed by … comfortable with cloud-native deployments and environments Event-driven systems – experience with queues, scheduling, and asynchronous architectures You’ll be one of the most senior engineers on the team and a key voice in how we scale the backend stack. Expect full ownership over architecture decisions, deep product involvement … stocked bar, Friday socials, arcade machines and ambitious roadmaps Ownership from day one and a team that wants your opinion, not just your commits Senior Software Engineer | TypeScript/Go & AWS Lambda | Web3/Crypto Innovation Hub More ❯

Senior Software Engineer - Unity Fully Remote within UK £70,000-£90,000 Are you an experienced Unity Developer looking for your next challenge on a fully remote basis – this role could be for you! I’m working with a leading ‘immersive technology business’ who develop content and … boundaries within the immersive space and with loads of new projects on the horizon, they are now looking to grow their team with a Senior Software Engineer to join their Studio! In role, you will have wide variety of responsibilities from collaborating with different teams to deliver More ❯

Senior Embedded Software Engineer - Sat Comms Chelmsford, Essex (4 days in office p/w) £55,000 - £70,000 + excellent bens. From satellites searching for new planets to rovers mapping the surface of Mars, for 40 years space customers have depended on us to provide technology … and deliver imaging sensors and sub-systems to over 150 space missions helping humankind to better understand the world we live in. As an Senior Embedded Software Engineer , you will play a crucial role in the development and maintenance of embedded software solutions for our state … and peripherals. Your role will involve working closely with cross-functional teams to ensure the successful delivery of high-performance, reliable, and efficient embedded software solutions for satellite communication systems. Key Responsibilities: Senior Embedded Software Engineer Leading the design, development, and maintenance of embedded Linux software More ❯

Senior Software Engineer (Python & AWS) This role is with a DeWinter Financial Services Partner Boston, MA - Hybrid Role - We are targeting local candidates that can be in the Boston office 3 days per week. 12 Month + contract (or contract to hire, if desired) We are targeting … a mid or senior level software engineer who can get requirements from the business, architect the solution within AWS, deploy to production using Terraform and CloudFormation and then develop code in Python to run within that environment. Overview: The Software Engineer will participate in a … or understanding of the various domains within an asset management firm (investment operations, performance and attribution, trading etc.) is desired, but not required. Requirements: Senior or Technical Lead level development experience Several years of coding experience in Python. Experience working in an AWS Tech Stack (Terraform, CloudFormation, Lambda, ECS More ❯

Project and/or Technical Process Areas associated with any of the ISO/IEC 15288 processes. About The Role Peraton is seeking a Software Engineer to support an IC mission in the Ft. Meade/Annapolis Junction, MD area. The Software Engineer develops, maintains, and … enhances complex and diverse software systems (e.g., processing-intensive analytics, novel algorithm development, manipulation of extremely large data sets, real-time systems, and business management information systems) based upon documented requirements. Works individually or as part of a team. Reviews and tests software components for adherence to the … design requirements and documents test results. Resolves software problem reports. Utilizes software development and software design methodologies appropriate to the development environment. Provides specific input to the software components of system design to include hardware/software trade offs, software reuse, use of Commercial More ❯

Senior Embedded Software Engineer – Sat Comms Chelmsford, Essex (4 days in office p/w) £55,000 - £70,000 + excellent bens. From satellites searching for new planets to rovers mapping the surface of Mars, for 40 years space customers have depended on us to provide technology … and deliver imaging sensors and sub-systems to over 150 space missions helping humankind to better understand the world we live in. As an Senior Embedded Software Engineer , you will play a crucial role in the development and maintenance of embedded software solutions for our state … responsible for designing, implementing, and debugging C++ code, focusing on Linux kernel and driver development to support various hardware interfaces and peripherals. Key Responsibilities: Senior Embedded Software Engineer Leading the design, development, and maintenance of embedded Linux software systems for our satellite modems. Designing and implementing More ❯

Senior Software Engineer (C++) - Specialising in Statistics & Machine Learning Permanent, Hybrid Working arrangement Location: Test Valley Salary: Negotiable based on experience The client is looking for hire for a Senior Software Engineer to join their Software Engineering teams to enhance their statistical, timeseries … and machine learning capabilities of their WPS software product. Your work will involve researching new data science approaches, developing scalable C++ models, and collaborating with teams to solve complex business challenges. Key Responsibilities: - Research and implement advanced mathematical/statistical algorithms in C++. - Support the product team with numerical More ❯

Senior Software Engineer (C++) - Specialising in Statistics & Machine Learning Permanent, Hybrid Working arrangement Location: Test Valley Salary: Negotiable based on experience The client is looking for hire for a Senior Software Engineer to join their Software Engineering teams to enhance their statistical, timeseries … and machine learning capabilities of their WPS software product. Your work will involve researching new data science approaches, developing scalable C++ models, and collaborating with teams to solve complex business challenges. Key Responsibilities: - Research and implement advanced mathematical/statistical algorithms in C++. - Support the product team with numerical More ❯

This position is contingent on contract award Description: The Software Engineer develops, maintains, and enhances complex and diverse software systems (e.g., processing-intensive analytics, novel algorithm development, manipulation of extremely large data sets, real-time systems, and business management information systems) based upon documented requirements. Works individually … or as part of a team. Reviews and tests software components for adherence to the design requirements and documents test results. Resolves software problem reports. Utilizes software development and software design methodologies appropriate to the development environment. Provides specific input to the software components of … system design to include hardware/software tradeoffs, software reuse, use of Commercial Off-the-shelf (COTS)/Government Off-the-shelf (GOTS) in place of new development, and requirements analysis and synthesis from system level to individual software components. Analyze user requirements to derive software More ❯

Senior Software Engineer, Pixel Graphics, GPU Software corporate_fare Google place London, UK Apply Bachelor's degree or equivalent practical experience. 5 years of experience with software development in C or C++ programming languages, and with data structures/algorithms. 3 years of experience testing … maintaining, or launching software products, and 1 year of experience with software design and architecture. 3 years of experience working with embedded operating systems. Preferred qualifications: Master's degree or PhD in Computer Science or related technical field. 1 year of experience in a technical leadership role. Experience … languages (e.g., HLSL, GLSL) and intermediate representations (e.g., SPIR-V), relevant to driver development or low-level API programming. About the job Google's software engineers develop the next-generation technologies that change how billions of users connect, explore, and interact with information and one another. Our products need More ❯

Position Summary Odyssey Systems has an exciting opportunity for a Senior Software Engineer, supporting the Fixed Wing Branch HC/MC-130 Recapitalization Program. This is an ACAT IC program designed to replace the aging fleet of Air Combat Command (ACC) HC-130P/N aircraft and … Air Force (AF) Special Operations Command (AFSOC) MC-130E/H/P. Responsibilities Duties include, but not limited to: Support the Government software development activities required for defining, developing, testing, and fielding Operational Flight Program (OFP) upgrades to include requirements analysis, design, coding, testing, and documenting specified changes … for the OFP software during Engineering and Manufacturing Development (EMD), Full Rate Production, and Post Deployment phases. Ensure the management of total software development efforts of the program's OEM, including subcontractors. This includes the program's OEM development, implementation, and maintenance of software as documented in More ❯

Senior Software Engineer – AI – London One of my AI Clients are looking for an Senior Software Engineer to join a team that's reimagining how software is built by integrating cutting-edge AI tools directly into the engineering lifecycle. Responsibilities: Design intelligent multi … agent systems tailored for software development Develop prompt structures, logic flows, and tool integrations that guide agent behaviour Enable agent access to development infrastructure, including file systems, test suites, version control, and APIs Evaluate AI performance and continuously refine workflows Orchestrating systems of AI agents to elevate how teams … write and deliver software at scale Key Skills: 5+ years software engineering experience Proficiency with modern backend and frontend technologies such as Java, TypeScript, React, and MySQL Hands-on experience with generative AI tools and platforms (LLM APIs, agentic frameworks, codegen systems, vector databases) Driving innovation as a More ❯

Senior Software Engineer – AI Enablement – Manchester One of my clients are looking for an Senior Software Engineer to join a team that's reimagining how software is built by integrating cutting-edge AI tools directly into the engineering lifecycle. Responsibilities: Design intelligent multi … agent systems tailored for software development Develop prompt structures, logic flows, and tool integrations that guide agent behaviour Enable agent access to development infrastructure, including file systems, test suites, version control, and APIs Evaluate AI performance and continuously refine workflows Orchestrating systems of AI agents to elevate how teams … write and deliver software at scale Key Skills: 5+ years software engineering experience Proficiency with modern backend and frontend technologies such as Java, TypeScript, React, and MySQL Hands-on experience with generative AI tools and platforms (LLM APIs, agentic frameworks, codegen systems, vector databases) Driving innovation as a More ❯

Senior Software Engineer – AI – London One of my AI Clients are looking for an Senior Software Engineer to join a team that's reimagining how software is built by integrating cutting-edge AI tools directly into the engineering lifecycle. Responsibilities: Design intelligent multi … agent systems tailored for software development Develop prompt structures, logic flows, and tool integrations that guide agent behaviour Enable agent access to development infrastructure, including file systems, test suites, version control, and APIs Evaluate AI performance and continuously refine workflows Orchestrating systems of AI agents to elevate how teams … write and deliver software at scale Key Skills: 5+ years software engineering experience Proficiency with modern backend and frontend technologies such as Java, TypeScript, React, and MySQL Hands-on experience with generative AI tools and platforms (LLM APIs, agentic frameworks, codegen systems, vector databases) Driving innovation as a More ❯

Senior Embedded Software Engineer Milton Keynes Onsite Working Permanent position Are you a Software Engineer looking to accelerate your career? We have an opportunity for you to join a fast-growing team as part of the pioneering development of out-of-the-box communication systems … launch vehicles, and other space and airborne platforms. What will you do? Use your C programming skills to produce low-level and high-level software through all phases of the development process. Contribute to key projects including Linux-based single-board computers and high-reliability microcontroller systems. As a … proactive programmer with a problem-solving mindset, you will be responsible for software designs from concept through production, including product roadmaps, block diagrams, detailed design and coding, analysis, test, qualification, and in-orbit support. You will already have development experience at nearly every level of the software stack More ❯

part of the Solid State Plc group, listed on the AIM stock market under code SOLI. This job description is for the role of Senior Software Engineer - C/C++, with responsibility for the development and maintenance of new and existing products. Job Type: Permanent, Full Time … Job Title: Senior Software Engineer - C/C++ Location: Flexible blend of working from home and office-based work at Iver, UK (just outside M25, NW London). Hours: 37.5 hours per week, 25 days annual holiday (plus public holidays). Salary: Circa £85k depending on skills … candidate is likely to have a good Computer Science or Electrical Engineering degree, plus perhaps other post-graduate qualifications and a track-record of software development in C/C++. One of the most important traits is the desire, drive and enthusiasm to produce the world's best-in More ❯

Job Title: Senior Software Engineer Location: Margate Job Type: Full-time Overview: We seek a Senior Software Engineer to drive innovation in embedded firmware development. You will lead R&D efforts, collaborate with leadership, and ensure high-quality software solutions for our products. … Key Responsibilities: Lead firmware development and mentor junior engineers. Collaborate on product concepts and refine specifications. Translate system requirements into software solutions. Develop, test, and document software programs. Work with hardware teams to optimise integration. Research and implement emerging technologies. Assess technical risks and provide expert guidance. Support … and safety standards. Qualifications: Education: Bachelor's in Electrical Engineering, Computer Science, or related field (Master's preferred). Experience: 10+ years in embedded software development with leadership experience. Skills: Expertise in ARM-based microcontrollers, FreeRTOS, and Microsoft Visual Studio. Knowledge of RF communication and marine navigation is a More ❯

Senior Software Engineer, FTA UK Senior Software Engineer, FTA UK Apply locations London, Warwick Court time type Full time posted on Posted Yesterday job requisition id 75981 At T. Rowe Price, we identify and actively invest in opportunities to help people thrive in an … spirit of generosity. Join us for the opportunity to grow and make a difference in ways that matter to you. We are seeking a software developer with expertise in automating Windows OS clients using Packer, Ansible, and PowerShell. You will be responsible for managing and optimizing the Windows desktop …/Developer tooling/Citrix/Ansible/Prometheus and Grafana/InTune. Proficiency in Ansible automation for Windows client OS tasks, including patching, software deployment, and configuration management. Strong PowerShell scripting skills for automation and system administration. Strong knowledge of Windows 10/11 administration, troubleshooting, and optimization. More ❯

Senior Software Engineer 55000-70000 Hybrid WORKING Location: United Kingdom (Yorkshire and the Humber) Type: Permanent Senior Python Engineer Leeds or Manchester Based | Hybrid Working Permanent | £55,000 - £70,000 + benefits Are you ready to deliver modern, impactful digital services that genuinely make a … difference? Join an award-winning digital consultancy known for shaping user-centred, high-scale software solutions across public and private sectors. Here, you'll solve complex technical problems while contributing to services that positively impact society. We're seeking an experienced Senior Python Engineer to be part … closely with designers, researchers, and frontend engineers to build end-to-end digital services that are accessible and user-centred. Work across the full software development lifecycle: from architecture and prototyping to testing, deployment, and support. Mentor and support junior and mid-level engineers, helping raise technical standards across More ❯

Senior Software Engineer Why This is an Exciting Role: As a Senior Software Engineer at Boeing Intelligence & Analytics (BI&A), this position will be supporting work on a critical knowledge sharing tool for the customer with real world applications. The tool that the team … in real-time and will help drive more informed and timely decisions in matters of national security. Designs, develops, documents, tests and debugs applications software and systems that contain logical and mathematical solutions. Conducts multidisciplinary research and collaborates with engineers in the planning, design, development, and utilization of electronic … to resolve problems on program intent, output requirements, input data acquisition, programming techniques and controls; prepares operating instructions; designs and develops utility programs Ensures software standards are met. Analyzes user needs and software requirements to determine feasibility of design within time and cost constraints. Confers with systems analysts More ❯

Senior Systems Software Engineer I'm currently recruiting for an experienced Senior Software Engineer to join a global algorithmic trading firm on a permanent basis. We're ideally looking for somebody with 8+ years of a Python programming experience, to assist with the development More ❯

Senior Systems Software Engineer I'm currently recruiting for an experienced Senior Software Engineer to join a global algorithmic trading firm on a permanent basis. We're ideally looking for somebody with 8+ years of a Python programming experience, to assist with the development More ❯

Senior Software Engineer/Full Stack Developer Based either London (Remote working) or Budpest (Remote) Salary - to attract the best Brand new role available - growing HR tech innovation - SaaS The Role We’re looking for a sharp, curious, and hands-on Senior Software Engineer who’s excited by AI, new technologies, and solving real-world problems at scale. You’ll be working across the entire product and software development lifecycle — from discovery and design, all the way through to deployment and ongoing performance. You’ll own your work end-to-end, and More ❯