3,301 to 3,325 of 7,041 Permanent Software Engineering Jobs

Senior Software Engineer (React, Node.js, AWS) Salary: £90,000 - £110,000. Location: Hybrid in London. Senior Software Engineer (React, Node.js, AWS) - would you like the opportunity to work for a market leading organisation, currently looking to revolutionise the data space? You will be joining a technology team who have a passion for innovation, collaboration as well as embracing … new ideas, technologies and approaches. As a Senior Software Engineer, you will be working closely with Product and design, taking full responsibility and ownership from conception to post-deployment. The company has grown significantly in the last few years and are looking for someone who can join in the process of growing their brand. Essential skills: Fullstack JavaScript and … a web application from scratch. Ideally looking for Backend focused Engineers who are comfortable across the stack so must be happy working this way. If you're a Senior Software Engineer with strong experience working in JS/TS, please apply. More ❯

Role : Java Software Engineer 💰 Salary: Up to £95,000 +10% Bonus 🌍 Location: London (2 days a week) 🛠 Key Skills: Java 17+, SpringBoot, React/Typescript, AWS This is a great opportunity for a Senior Java Software Engineer to a travel experiences business. You’ll lead backend services and API integrations with a huge number of 3rd party’s … a cross-functional team, being the go-to for these services and will contribute to architectural design and technology decision making across the product.. 🎯 Responsibilities as the Senior Java Software Engineer: Assume technical ownership of feature development end-to-end Advocate for best coding practices within the team Lead architecture decision making and technology decision making Design, build, review … test, and deploy services and code in live production environments Uphold development standards and prioritize best coding practices ✅ Experience needed as the Senior Java Software Engineer: Backend development experience, working with production level Java based applications Strong system architecture and system design skills Familiarity with cloud services (preferably AWS) A passion for ensuring best practices and coding excellence are More ❯

Role : Java Software Engineer 💰 Salary: Up to £95,000 +10% Bonus 🌍 Location: London (2 days a week) 🛠 Key Skills: Java 17+, SpringBoot, React/Typescript, AWS This is a great opportunity for a Senior Java Software Engineer to a travel experiences business. You’ll lead backend services and API integrations with a huge number of 3rd party’s … a cross-functional team, being the go-to for these services and will contribute to architectural design and technology decision making across the product.. 🎯 Responsibilities as the Senior Java Software Engineer: Assume technical ownership of feature development end-to-end Advocate for best coding practices within the team Lead architecture decision making and technology decision making Design, build, review … test, and deploy services and code in live production environments Uphold development standards and prioritize best coding practices ✅ Experience needed as the Senior Java Software Engineer: Backend development experience, working with production level Java based applications Strong system architecture and system design skills Familiarity with cloud services (preferably AWS) A passion for ensuring best practices and coding excellence are More ❯

Role : Java Software Engineer 💰 Salary: Up to £95,000 +10% Bonus 🌍 Location: London (2 days a week) 🛠 Key Skills: Java 17+, SpringBoot, React/Typescript, AWS This is a great opportunity for a Senior Java Software Engineer to a travel experiences business. You’ll lead backend services and API integrations with a huge number of 3rd party’s … a cross-functional team, being the go-to for these services and will contribute to architectural design and technology decision making across the product.. 🎯 Responsibilities as the Senior Java Software Engineer: Assume technical ownership of feature development end-to-end Advocate for best coding practices within the team Lead architecture decision making and technology decision making Design, build, review … test, and deploy services and code in live production environments Uphold development standards and prioritize best coding practices ✅ Experience needed as the Senior Java Software Engineer: Backend development experience, working with production level Java based applications Strong system architecture and system design skills Familiarity with cloud services (preferably AWS) A passion for ensuring best practices and coding excellence are More ❯

Java Developer Senior Software Engineer (Java, AWS, ideally React and frontend experience) Permanent Salary of £50/70,000 per annum Remote with occasional travel to London Must be eligible for SC Clearance Digital Skills are working with a niche consultancy, a specialist in providing AWS and technology services across the UK Government. The client are undegoing rapid expansion … and as such are recruiting for a number of specialist Java Software Engineers. About the role You will be working as part of a large and integrated team, providing software and platform solutions to a UK Central Government department. The team are responsibe for implementing software design, development and testing solutions based upon Java in to AWS … AWS cloud You will be responsible for full stack development, using Java and React The role is remote with travel up to twice per month About you Experienced Java Software Engineer React and Javascript experience Exposure to full stack software development (Ideally React) AWS or secure cloud experience Eligible for SC Clearance (UK Passport or permanent resident in More ❯

to £65,000 + bonus & excellent benefits Clearance: British Citizen or Dual UK National with British citizenship Copello are working with a leading defence technology partner seeking a Principal Software Engineer to join their New Product Development team, driving the next generation of mission planning and control systems . The Role Youll lead the design and delivery of complex … software solutions across the full development lifecycle, collaborating with international teams and mentoring engineers within a dynamic, high-performing environment. What Youll Bring Strong proficiency in Core Java and/or C++ Proven experience delivering complex software systems end-to-end Solid understanding of the software development lifecycle Strong communication skills and stakeholder engagement experience Experience mentoring More ❯

Principal Software Engineer – Full Stack (Java/React) Level: Senior/Principal - £80,000–£95,000 Location: UK-wide | Hybrid (Client site travel as required) Function: Full Stack Development | Agile Delivery | Technical Leadership Industry: Consulting | Public Sector | Digital Transformation Base office: Manchester, Bristol, Cheltenham, or Plymouth Lead software excellence. Deliver strategic impact. Join a specialist UK software consultancy delivering high-impact software solutions for public sector clients. They are seeking Principal Software Engineers to lead teams, shape delivery strategy, and drive innovation across government projects. About the Role As a Principal Software Engineer, you will lead multiple teams, combining hands-on full stack development with technical leadership and client engagement. You will ensure … the delivery of scalable, high-quality solutions and mentor engineers to achieve both team and project success. What You’ll Be Doing • Leading and mentoring two software teams across full lifecycle projects • Designing, developing, testing, and deploying software using Java and React • Engaging directly with clients to understand requirements and deliver high-value solutions • Driving Agile processes and More ❯

Portfolio are proud to be representing our clients who are a Software provider based in the heart of Manchester, providing people solutions to over 100,000 clients worldwide and they're looking for a Software Engineer In Test The role is paying up to £55,000 and is 5 days a week in the office. Essential: Experience with More ❯

Title: Senior Software Engineer Location: IG10 Work Setup: Onsite Were working with a South Essex based company that focuses on Lab Automation Systems, they are growing rapidly and have recently opened a new office, and are looking for rockstar Senior Software Developer to come join their growing team. Youll work on a dynamic scheduler powering next-generation lab … automation in the Life Science industry. Alongside software, bespoke devices and integrated systems that are deployed in labs worldwide. Key Responsibilities - Design, develop, and maintain backend services and desktop applications with C#/.NET - Work on performance-critical systems (concurrency, multithreading, and low-latency data flows - Collaborate across disciplines to integrate software with hardware, robotics, and automation systems … Experience or exposure to industrial automation, electromechanical systems, or hardware integration is desirable - AI exposure or interest in applying AI techniques Benefits - Opportunity to work at the intersection of software, robotics, and life sciences. - Exposure to both cloud SaaS and physical automation systems. - High-impact role in a company scaling rapidly within a global industry - Collaborative environment with multidisciplinary More ❯

Portfolio are proud to be representing our clients who are a Software provider based in the heart of Manchester, providing people solutions to over 100,000 clients worldwide and they're looking for a Software Engineer In Test The role is paying up to £55,000 and is 5 days a week in the office. Essential: Experience with More ❯

Job Title: Software Engineer - Defence Sector Location: London Security Clearance: SC/DV required Job Type: [Full-Time/Contract/Permanent] Overview: We are seeking a Software Engineer to design, develop, and maintain software solutions for critical defence systems. You'll work on secure, high-reliability applications that support national security and defence operations. Key Responsibilities … Develop and maintain software for mission-critical systems. Collaborate with multidisciplinary teams to meet technical and operational requirements. Write clean, efficient, and well-documented code. Support integration, testing, and debugging in secure environments. Ensure compliance with defence standards and cybersecurity protocols. Requirements: Proficiency in programming languages such as C++, C#, Java, or Python. Experience in embedded systems, real-time … applications, or secure software development. Knowledge of software development lifecycle (SDLC) and version control (e.g. Git). Eligible for SC/DV security clearance. Desirable: Experience with defence or aerospace projects. Familiarity with standards like DO-178C, MISRA, or DEF STANs. Understanding of Agile or DevSecOps methodologies. Reasonable Adjustments: Respect and equality are core values to us. We More ❯

Typical Set, LLC Position: Software Engineer 2 (SE2510) Responsible for developing systems to translate cutting-edge machine learning into complex trading behaviors. Touch areas as wide-ranging as machine learning, finance, and technology. Lead and collaborate in diverse and engaging software work, including areas such as trading infrastructure, computing, data processing, and flexible model development pipelines. Proactively engage … in complex projects from start to finish, which includes gathering project requirements, translating them into a rational software design, reasoning effectively about supporting or dependent technologies, and communicating effectively with teammates. Work directly with Senior Software Engineers and receive high-touch mentorship and coaching. This position requires a Master's degree or equivalent in Computer Science or a … related field and 2 years of related software development experience. Must also have demonstrated experience with each of the following: 1) Implementing improvements to order management systems (OMS) for trading strategies; 2) Working with networks concepts like NAT or port forwarding in a containerized setting; 3) Using Go in the context of Kubernetes; 4) Designing and maintaining backend components More ❯

A Technology Consultancy seeks a Senior level Software Engineer with a strong academic record, proven C/C++ development skills and experience of working on complex real-world problems to provide solutions to challenging projects in a number of areas such as cyber security and network security. You must be a British National as UK Security Clearance is required. … STEM subject from a leading University as well as A s at A level in Mathematics and Physics are required, with a PhD being highly beneficial. The successful Senior Software Engineer will ideally bring a range of software development skills and experience, including strong C/C++ development experience, using and configuring Linux systems; developing novel signal, image … well as familiarity with source control systems. An appreciation of hardware is also highly beneficial. You should be adaptable, self-motivated and possess the ability to produce clear, efficient software designs; be confident in supporting customers and providing training as well as mentoring others. This Technical Consultancy encourages innovation, seeking bright minds who thrive on technical challenges. This is More ❯

Are you an enthusiastic, well-rounded, mid-to-lead Software Engineer, eager to grow the breadth and depth of your technical abilities, and enhance your responsibilities, working at the sharp end of missions in the NatSec domain? Are you happy to work "high-side", on-site 3-5 days/week? And do you have experience with a few More ❯

Senior Software Developer - Java/Python with Delphi We’re looking for an experienced Software Engineer (Java/Python) to join a high-profile government project focused on modernising and integrating complex systems within a secure environment. You’ll work across backend development, integration and automation – with occasional support for legacy Delphi components as part of wider platform More ❯

Senior Software Developer (Backend) Location: Dublin; Hybrid Type: Permanent Start Date: September Our client, an AI-driven organization who have recently opened a new EU HQ, are hiring a Senior Software Developer to join their backend development team in Dublin. The successful candidate will play a key role in delivering innovative projects and scalable backend solutions that drive … clean, maintainable, and well-tested code following industry standards. Stay current with emerging technologies and recommend improvements to enhance system efficiency and scalability. Skillset 7+ years of experience in software development using Python and C++. Understanding of backend development principles and database management. Strong problem-solving skills and attention to detail. Experience working on AI projects advantageous. Please note More ❯

About the job Senior Software Engineer Utrecht max EUR75K Our client is an AI start-up, working on the automation AI camera inspections. They developed a gate that streamlines camera inspection. This gateway not only saves time but also cuts costs, performing a comprehensive check in less than 10 seconds. After 24 months of dedicated work, they are set … to roll out this solution to their clients. Our client is on the lookout for an adept Senior Software Engineer to come onboard and helm their software division, playing a key role in steering their software initiatives. In your capacity as a Senior Software Engineer with our client, you will be guiding a group of approximately … software developers, contributing to the evolution of their AI-geared vehicle examination tools, and aiding the expansion of their tech prowess. Their software experts are consistently exploring methodologies to swiftly relay vast amounts of data, spanning terabytes, from their peripheral devices, through their cloud, to their clientele. They regard themselves as trailblazers in the automated inspection domain, leading More ❯

Job Title: Senior Embedded Software Engineer (C++) Duration: 12 months Workload: Full time hours Setup: Freelance (Daily rate/Limited Company/Umbrella/Sole Trader) Location: Luton (4 days onsite, 1 day remote) We’re looking for a skilled Embedded Software Engineer to join a cutting-edge electronic warfare project for a leading defence client. Key Responsibilities … Develop and maintain embedded software for electronic warfare systems. Collaborate within integrated project teams to deliver robust, high-quality code. Manage requirements using IBM DOORS and ensure full traceability. Conduct unit testing and peer reviews to maintain code quality. Document work thoroughly and maintain configuration control. Must-Have Skills: Strong C++14 programming experience. Proficiency with Visual Studio 2019 and More ❯

Software Engineer Location: Bristol Salary: Up to £65,000 per annum + Bonus Benefits: Great pension, Annual Pay Review, Enhanced Parental Leave, Training & Membership Fund, Courses & Training, Hobby Clubs and more A market leading and global company within the aerospace and defence sector are looking for passionate software engineers with experience within electronic system software design. This … is a fascinating chance to be involved with developing cutting-edge software for Real-Time, middleware, subsystem, embedded and bare-metal software solutions for use within on-board aerospace electronics and their control systems. They are recruiting into many spaces including Real-Time, Command & Control, Human Machine Interface, OS & Software Security, Simulation & Experimentation and New Product. This … years. Previous or current SC and DV clearance is highly beneficial. Duties & Experience: Work with a multidisciplinary team to create extensible code for new development and to deliver software solutions Promote quality code and engage in design and code reviews Strong programming knowledge of C++ and C#/Java/Ada Previous experience within product design and development with More ❯

Job Title: Senior Embedded Software Engineer (C++) Duration: 12 months Workload: Full time hours Setup: Freelance (Daily rate/Limited Company/Umbrella/Sole Trader) Location: Luton (4 days onsite, 1 day remote) We're looking for a skilled Embedded Software Engineer to join a cutting-edge electronic warfare project for a leading defence client. Key Responsibilities … Develop and maintain embedded software for electronic warfare systems. Collaborate within integrated project teams to deliver robust, high-quality code. Manage requirements using IBM DOORS and ensure full traceability. Conduct unit testing and peer reviews to maintain code quality. Document work thoroughly and maintain configuration control. Must-Have Skills: Strong C+ programming experience. Proficiency with Visual Studio 2019 and More ❯

Job Title: Senior Embedded Software Engineer (C++) Duration: 12 months Workload: Full time hours Setup: Freelance (Daily rate/Limited Company/Umbrella/Sole Trader) Location: Luton (4 days onsite, 1 day remote) We’re looking for a skilled Embedded Software Engineer to join a cutting-edge electronic warfare project for a leading defence client. Key Responsibilities … Develop and maintain embedded software for electronic warfare systems. Collaborate within integrated project teams to deliver robust, high-quality code. Manage requirements using IBM DOORS and ensure full traceability. Conduct unit testing and peer reviews to maintain code quality. Document work thoroughly and maintain configuration control. Must-Have Skills: Strong C++14 programming experience. Proficiency with Visual Studio 2019 and More ❯

Job Title: Senior Embedded Software Engineer (C++) Duration: 12 months Workload: Full time hours Setup: Freelance (Daily rate/Limited Company/Umbrella/Sole Trader) Location: Luton (4 days onsite, 1 day remote) We’re looking for a skilled Embedded Software Engineer to join a cutting-edge electronic warfare project for a leading defence client. Key Responsibilities … Develop and maintain embedded software for electronic warfare systems. Collaborate within integrated project teams to deliver robust, high-quality code. Manage requirements using IBM DOORS and ensure full traceability. Conduct unit testing and peer reviews to maintain code quality. Document work thoroughly and maintain configuration control. Must-Have Skills: Strong C++14 programming experience. Proficiency with Visual Studio 2019 and More ❯

Software Engineer Location: Bristol Salary: Up to £65,000 per annum + Bonus Benefits: Great pension, Annual Pay Review, Enhanced Parental Leave, Training & Membership Fund, Courses & Training, Hobby Clubs and more A market leading and global company within the aerospace and defence sector are looking for passionate software engineers with experience within electronic system software design. This … is a fascinating chance to be involved with developing cutting-edge software for Real-Time, middleware, subsystem, embedded and bare-metal software solutions for use within on-board aerospace electronics and their control systems. They are recruiting into many spaces including Real-Time, Command & Control, Human Machine Interface, OS & Software Security, Simulation & Experimentation and New Product. This … years. Previous or current SC and DV clearance is highly beneficial. Duties & Experience: Work with a multidisciplinary team to create extensible code for new development and to deliver software solutions Promote quality code and engage in design and code reviews Strong programming knowledge of C++ and C#/Java/Ada Previous experience within product design and development with More ❯

Job Title: Senior Embedded Software Engineer (C++) Duration: 12 months Workload: Full time hours Setup: Freelance (Daily rate/Limited Company/Umbrella/Sole Trader) Location: Luton (4 days onsite, 1 day remote) We’re looking for a skilled Embedded Software Engineer to join a cutting-edge electronic warfare project for a leading defence client. Key Responsibilities … Develop and maintain embedded software for electronic warfare systems. Collaborate within integrated project teams to deliver robust, high-quality code. Manage requirements using IBM DOORS and ensure full traceability. Conduct unit testing and peer reviews to maintain code quality. Document work thoroughly and maintain configuration control. Must-Have Skills: Strong C++14 programming experience. Proficiency with Visual Studio 2019 and More ❯

Full-Stack .Net Software Engineer Leeds city centre (2-3 days a week) Up to £45k DOE + great benefits Why are we hiring? Do you want to work in the green economy, helping to build solutions that improve the energy efficiency of buildings to reduce carbon footprint? We're working with an exciting and long-established tech firm … who are in the stage of adding new products to their existing software packages as they look to grow their business in growth areas within green tech. I've placed 2 teams of software engineers with this company personally - they have a great culture and an enjoyable working environment, and are always looking for new opportunities to try … out ideas! They've recently moved to a new office handly for the train station. The Job As a Full-Stack .Net Software Engineer , you'll work as part of a well-established team, delivering code in a sprint-based Agile environment using the latest tech. Your ideas will be listened to and respected, and acted on if they More ❯