26 to 50 of 95 Software Engineer Jobs in Portsmouth

Principal Software Engineer | Python/GoLang, Product Development & Public Cloud | Security SaaS Prism Digital have partnered with a super interesting and niche VC-backed client specialising in attack surface management and automated red teaming. Their platform provides organisations with real-time visibility into their attack surface and potential … any sign of slowing down their growth. After receiving a total of $29 million over three funding rounds, they're looking to grow their software engineering division throughout the next 6-months with this senior role and a further junior role. They have recently expanded into Europe & US and … are continuing to grow. This role has the opportunity to learn from a highly experienced engineer who is completing their PhD in AI & Computer Science. Additionally, you'll have the opportunity to work at the scale of the internet, their product scans the entire internet, giving you the chance 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 interactive … 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 immersive experiences More ❯

Senior Software Engineer - AI, Next.js Fully Remote - Remote UK Salaries paying £85k-£110k + Equity Our client is a forward-thinking AI start-up dedicated to building innovative software solutions powered by cutting-edge AI technologies. Their mission is to revolutionise the B2B software landscape by … integrating advanced Large Language Models (LLMs) into seamless, user-centric experiences. They are looking for talented Software Engineers to join their dynamic team and be part of the AI-driven transformation in the tech industry. About the Role As a Senior Software Engineer, you will be an … integral part of their product team, working within a unified codebase that powers their B2B software and custom AI modules. Your role will encompass the entire feature lifecycle, from initial design and data structuring to advanced AI integration, ensuring robust, scalable, and high-performance solutions. Key Responsibilities: Design, build More ❯

Job Title: Senior Software Engineer Location: Remote (UK-Based) Salary: £65,000 - £70,000 D.O.E + 10% Bonus We are working with an award-winning SaaS company who are looking for a Senior Software Engineer to join their team. You will work on creating high-quality … mobile-first, responsive designs Contribute to the planning and implementation of new features Collaborate with UX, Product, and Engineering teams to drive innovation Ensure software quality through automated testing and CI/CD best practices Tech Stack: C# .NET Core JavaScript, React, HTML, CSS Typescript Cloud experience with Azure … or AWS SQL Server, CosmosDB, Redis CI/CD, TDD, Docker, Kubernetes We are looking for passionate Senior Software Engineers who are keen to develop innovative solutions and work with the latest technology. If you’re interested, please get in touch! All applications will be reviewed, and suitable candidates More ❯

Lead Software Engineer (Python) About the Role We are supporting a forward-thinking SaaS organisation at the forefront of revolutionising the clinical trial process and speeding up the drug development cycle. Their cutting-edge, AI-powered tools are setting new standards in clinical data quality assessment and risk … management. Due to their ongoing success and rapid expansion, they are now looking for a talented Lead Software Engineer to join their growing team and drive key technical initiatives. Key Responsibilities Begin your journey by joining an established squad as a senior engineer to get acquainted with … the existing tech stack and workflows. Once you are comfortable, you will step into the Lead Engineer position, where you will take ownership of leading your squad. Manage a team of engineers from various disciplines—front-end, back-end, and testing (roughly 8 people)—working closely with the product More ❯

provider of Network Security solutions specializing in automatic detection and mitigation, network visibility, analytics, and reporting tools. About the Role Are you a seasoned software engineer with a passion for designing and developing cloud-native Infrastructure-as-Code (IaC) solutions from the ground up? Our client is seeking … a talented and motivated Senior Software Engineer to lead the development of our next-generation observability platform. THIS IS NOT A DEVOPS ROLE. Responsibilities Collaborate within a dynamic software engineering team to architect and build a new cloud-native IaC platform. Develop software using technologies such … or on-premises setups. Engage in the full development lifecycle: design, define work, document, debate, code, debug, and support features from inception. Qualifications A software developer experienced in designing and delivering complex IaC capabilities from scratch, not merely operating existing environments. A background in developing cloud-native systems software More ❯

Embedded Software Engineer/Embedded Engineer/Computer Vision Engineer required to join a groundbreaking defence startup developing next generation autonomous systems. Package Generous package to be discussed Bonus Equity + More Responsibilities Design, develop, and optimize real-time computer vision and image processing algorithms. Apply … machine learning and AI techniques for automatic target detection, tracking, and classification. Lead the integration of seeker and mission-critical software onto embedded flight systems. Develop, test, and maintain embedded software for missile components (guidance, control, navigation, communication). Ensure software runs efficiently on real-time, resource … constrained processors. Integrate software with on-board sensors, actuators, and communication interfaces. Conduct Hardware-in-the-Loop (HWIL) simulations for realistic performance testing. Execute rigorous testing and debugging to validate software reliability and mission-readiness. Develop automated test procedures and assist in system-level validation. Analyze performance data More ❯

Senior Software Engineer - Client Identity We are seeking a Senior Software Engineer to join a newly formed cybersecurity team based in Europe. This role is pivotal in shaping secure and seamless digital experiences for hundreds of thousands of clients across the UK and Europe. As part More ❯

Role: Senior Software Engineer Location: Remote Day Rate: £600.00 - £700.00 (Outside IR35) Contract Duration: 6 Months We are currently recruiting for a Senior Software Engineer for a client in the e-commerce space, you will be responsible for the tech behind everything from scheduling and image … and CI/CD workflows Improve system documentation and knowledge sharing Ensure secure and reliable data handling (GDPR-compliant) Key Skills: 5+ years in software engineering, ideally with PHP and MySQL/MariaDB Strong AWS experience (EC2, RDS, S3) Comfortable working with legacy and bespoke systems Skilled in security More ❯

Senior C++ Software Engineer Global FinTech Remote (NI & RoI) Permanent | Full-time Market based salary + bonus & excellent benefits package IT Search is proud to partner with a global FinTech leader expanding its UK engineering presence. We're looking for a Senior C++ Software Engineer to More ❯

Senior Embedded Software Engineer – Southampton | Competitive Salary + Excellent Benefits I'm currently working with a leading electronics solutions company based in Southampton, and they’re looking to add a talented Senior Embedded Software Engineer to their growing team. This is a fantastic opportunity to join … unique, technically rewarding, and offers the chance to work in a collaborative and dynamic environment. 🔧 What You'll Be Doing: Designing and developing embedded software from concept through to productionCollaborating closely with teams across engineering, quality, projects, sales, and procurementSupporting the launch of an exciting new product lineOccasionally interacting More ❯

Title : Senior Software Engineer Company : HPC R&D Location : London (very flexible hybrid) Pay : Up to £170,000 + bonus + benefits Company : An advanced HPC R&D firm, looking to expand the UK compiler team. Most of the team are ex-Big-Tech, ex-FAANG or ex … leadership. If you want to work alongside some of the brightest, most enthusiastic people in the industry, this may be worth exploring. Role : Senior Software Engineer position with an emphasis on AI Compiler development in the context of AI. You will be working with Triton, but any experience … edge compiler development project. Significant hires have already been made in the team to support this role. About you: 6 years+ as a compiler engineer Strong C++ programming skills Experience with Triton, LLVM, MLIR or other compilers Experience with GPU architectures Full details are available. Please don't hesitate More ❯

Business Intelligence Platform (YC-backed) | Senior Software Engineer At Dynamism.io, we’re excited to partner with the founding team at a leading open-source BI platform to find talented Senior Software Engineers. If you’re passionate about shaping the future of data visualization, building innovative features, and … team is expanding quickly to serve major clients such as Workday, Beauty Pie, Hypebeast, and Morning Brew. Role Overview and Responsibilities: As a Senior Software Engineer, you’ll play a critical role in enhancing and scaling the platform. From owning features end-to-end to collaborating closely with More ❯

Register on our website for technology job opportunities tailored to your career advancement. Role Description This is a full-time hybrid role for a Software Engineer based in the London Area, United Kingdom, with some work-from-home flexibility. The Software Engineer will be responsible for … designing, developing, and maintaining software applications. Daily tasks will include back-end web development, programming, and implementing object-oriented programming (OOP) techniques. The role requires close collaboration with cross-functional teams to deliver high-quality, scalable software solutions. Qualifications Solid understanding of Computer Science fundamentals Proficiency in Back … End Web Development and Software Development Strong Programming skills, including experience in Object-Oriented Programming (OOP) Excellent problem-solving and analytical skills Effective communication and teamwork abilities Experience with agile development methodologies is a plus Bachelor's degree in Computer Science, Engineering, or a related field Paying More ❯

Software Engineer £50-60,000 Remote Renewable energy Work in a niche consultancy, focussed and dedicated to optimising renewable energy. You will bring your software engineering expertise to developing solutions for this industry. The role Spans back-end engineering with some data engineering thrown in for fun. … engineering and some have AI built in. The Opportunity Is wide open, to influence the green agenda with very real world solutions. Things like software that drives wind farm design and management. This business helps create better and more efficient wind farms. The team Are highly skilled engineers with … genuine interest in renewable energy. They are a diverse, intelligent and highly inquisitive and positive individuals. To apply We are seeking experience software engineers with a strong academic background (Comp Sci degree/Masters/PhD) You'll need some commercial experience in software engineering (Python/C# More ❯

Job Title: Senior/Principal Software Engineer Location: Remote Employment Type: Permanent/Full-Time Salary: £65-75k plus benefits We’re working with a client who’s a real leader in their space. Known for building high performing, scalable cloud based solutions. They’re growing their … remote tech team and looking for a Senior or Principal Software Engineer with a strong background in C# and Azure , and some experience with architecture. What they’re looking for: Someone who enjoys a mix of hands on coding and higher level thinking. You’ll be helping design … LLD) Solution architecture and cloud best practices Performance, scalability, and security decisions Helping define and evolve the technical roadmap If you’re a senior engineer who is looking to make the next step into an architect role. Please apply now for more details More ❯

Senior Software Engineer Fully Remote, excellent package and incredible opportunity We're looking for a Senior Software Engineer to join a fast-moving team building tools used by thousands of real-world users. You'll collaborate closely with Product, Design, and Customer Success to solve meaningful … and engage directly with customers to make sure what you're building actually works for them. What You’ll Be Doing Writing production-grade software in Ruby on Rails and React Native Leading on technical and architectural decisions across the stack Collaborating cross-functionally with Product, Design, and Customer More ❯

an extra emphasis on expansion of our capabilities and capacity in helping solve unique client challenges. Summary: Beazley Security is seeking an experienced Senior Software Engineer to design innovative, secure scalable solutions that support our cybersecurity mission. As a key member of our global team, you will work … will play a critical part in the continued improvement, scalable development, and support of products used to deliver Beazley Security services. As a Senior Software Engineer, this role will provide technical guidance around architecture and development, as well as mentor members of the Engineering team. This is an … test, and deployment processes. Create Infrastructure-as-Code. Collaboration: Work closely with product managers, other engineers, and stakeholders to define and deliver high-quality software solutions. Balance: Ensure feature development speed and reliability with well-defined service-level objectives. Improve: Continually update the deployment process to ensure only robust More ❯

I am supporting a FinTech AI Product Company who are on the hunt for an experienced Senior Software Engineer to join their FULLY REMOTE engineering team! They are a heavily tech driven Product Company who put a huge emphasis on quality engineering, innovation and forward thinking. As a … Senior Software Engineer, you will work closely with their CTO and play a very important role on the direction of the product! You'll support with key tech decisions, architecture, project delivery and mentoring other Engineers in the team. Requirements: Deep experience with Python, TypeScript, React, AWS, PostgreSQL More ❯

derivative pricing tools and analytics for traders at hedge funds and investment banks. Due to sustained success, the firm are looking to add a Software Engineer to help support their growth. This role would suit an individual with experience within the financial space, working with large, abstract, code … Their ever-increasing popularity is due to them being able to deliver accurate prices quicker than other systems. What we are looking for: A software Engineer with experience working with large, complex code bases that has the ability to write ‘collaborative’ code Experience working in a collaborative team More ❯

The Vacancy Are you a Software Development Engineer looking to join an organisation where what you do genuinely makes an impact? Where you are empowered, heard and able to think creatively? Then look no further because we are what you have been looking for! We are looking for … a Software Engineer with strong Python or Java experience and a passion for cloud/platform technologies skills to join our talented and innovative data engineering team. This role sits within a part of Optum UK responsible for taking large data sets from various sources and converting them … support your team through identifying and implementing improvements and efficiencies. Other key responsibilities and accountabilities will include; Successfully develop, deliver, and maintain high quality software Maintain relevant documentation to describe logic, coding/configuration, testing and changes where applicable Work cross-functionally with other tech teams and business functions More ❯

Senior Software Engineer Tech Stack: C#, .NET, Microservices, Docker, Kubernetes, AWS/Azure United Kingdom Full Remote: Perm Role Salary: £85,000 - £110,000 Harrington Starr has partnered with an innovative start up FinTech who specialise in providing market access and data from their ultra low-latency platform … to financial service firms, leading exchanges and single dealers across digital assets, FIX and more. They are looking to hire a Senior C#, .NET Engineer with strong experience in start-up/scale up firms, able to take ownership of developing new applications, adding features to existing systems and More ❯

Join Our Client as a Software Engineer (.NET) Are you a driven Software Developer eager to build end-to-end, enterprise-grade applications? Our client is a leading provider of custom software solutions across the UK, Spain, Romania and Hungary, renowned for innovation, quality and exceptional … client results. They’re now looking for a .NET Engineer to join their agile team and deliver high-impact digital products. 📌 About the Role As a .NET Engineer, you’ll: Collaborate within an agile squad to design, develop and deploy bespoke software solutions Translate client requirements into … ensuring reliability and performance Engage directly with clients and stakeholders to refine requirements and deliver value 🎯 What You Bring Proven commercial experience as a Software Developer, ideally with .NET (C#, .NET 8/9) Strong problem-solving skills and a knack for diagnosing root-cause issues Excellent communication—able More ❯

Java Software Engineer (Must hold active SC) Location: Remote The Company: At Amber Labs, we are a cutting-edge UK and European technology consultancy that prioritises empowering autonomy, promoting experimentation, and facilitating rapid learning to provide exceptional value to our clients. Our company culture is centred around collaboration … risk and shorten delivery times. Our team consists of highly-skilled cross-functional consultants, analysts, and support staff. Your role: You will apply a software engineering mindset to problems, whether that’s provisioning services, writing code or writing automation tools and scripts. You will have a lean mindset, striving … and performant services that are operationally sound. You will strive to do things better and faster, eliminating waste and applying this across the entire software delivery lifecycle for both internal customers and end users. What you’ll do: You will be responsible for delivery business outcomes, from requirements into More ❯

Senior Software Engineer – C/C++ Global FinTech Remote (NI & RoI) Permanent | Full-time £60K + bonus & excellent benefits package IT Search has partnered with a global fintech that’s growing its UK engineering team. They’re looking for a Senior C/C++ Engineer to help … maintain secure, high-performance systems that power real-time payments on a global scale. In this role, you’ll design and develop core backend software, working closely with a talented team to integrate with partner APIs and tackle challenges around performance, scalability, and reliability. It’s a product-focused … in a collaborative environment with strong technical standards. What you need: Solid experience with C or C++ in a production environment Familiarity with modern software engineering practices: version control, testing, code reviews Comfortable working with structured data (e.g. XML, JSON) and API interactions Strong analytical and problem-solving skills More ❯