26 to 50 of 90 Software Engineer Jobs in Stevenage

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 ❯

Software Engineer - AI, Next.js, TypeScript Fully Remote - Remote UK Salaries paying £60k-£80k + 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 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, and 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 ❯

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 ❯

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 ❯

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 ❯

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 ❯

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 ❯

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 ❯

Senior Software Engineer – Java - FinTech Remote First | London (UK) | Up to £120k + Benefits Are you a Java developer who thrives in a collaborative, test-driven environment? Do you believe in pair programming, continuous integration, and clean, maintainable code? If so, we’d love to hear from you. More ❯

SoTA in Artificial Intelligence and to achieve the best possible chance of a human-aligned AGI. We are looking for an early career Graduate Software Engineer to help us build our Python LLM evaluation library, working closely with the Engineering and Science teams. We open to hiring remotely … is a high-impact and high-ownership role. We believe this is an unique and exciting opportunity where you will need to influence our software roadmap, you will have a strong say in how our technical and product roadmap evolves, and you will engage with our users and customers … lead the development of our open source Python tools, and to engage and grow our community. The ideal candidate is someone with passion for software an AI; ideally, you should have previous experience with LLMs, contributed to open source projects, and/or show a strong track record of More ❯

MPG | Lead Software Engineer Remote | Based in the UK At The Multiplayer Group (MPG), we specialise in creating the highest standard of mind-blowing multiplayer experiences for our partners, through Co-Dev and Full-Dev projects. Our people-first culture fosters a welcoming environment and a diverse team … around our local communities, education, and sustainability. We’re proud to say we’ve been Climate Positive since 2020! Your Mission: As a Lead Engineer at MPG, you will have a great balance of leadership and technical responsibility. Having the opportunity to contribute through hands-on programming, whilst leading … always with the ultimate goal of helping your team succeed and grow. What you’ll be doing: Lead a team of Principal, Senior and Software Engineers, with responsibility for performance management and development ensuring exceptional level of service to our clients Design and implement functionality for the external clients More ❯

About the Role Keysight is looking to hire a senior security software engineer to develop automated program analysis and fuzz testing capabilities for our security assessment products. The successful candidate will be key in designing and implementing novel and scalable tools for automated software composition analysis and … a sense of belonging, they can be more creative, innovative, and thrive at all points in their careers. Responsibilities: Designing solutions to enable automated software composition analysis and identification of vulnerabilities Developing and maintaining software composition analysis tools Performing research in embedded device firmware security and compose articles More ❯

I am exclusively supporting a FinTech Product Company who are currently hiring for 2 x Senior Software Engineers to join their remote engineering team. They are profitable and already have their product (which i can expand on) used by a number of enterprise clients. They are looking for a … confident, experienced & passionate Senior Software Engineer with a product mindset and a deep understanding of Software Engineering. As a business, they are heavily driven by quality engineering & innovation and try to do things in a product mindset based around their end users. The role is FULL-STACK … + experience with another backend language (Ruby, C++. Elixir, Haskell, Go, Clojure or Scala) Private projects to showcase + deep interest/passion for software engineering is also a plus! They are also working heavily within AI and working with up to date AI technologies They are paying up More ❯

About the Role We are a fast-growing security training company, and we're looking for a QA Engineer/Software Development Engineer in Test who is passionate about quality, reliability, and secure software development. In this role, you’ll be responsible for testing a Java … based codebase that powers our secure coding labs and training platform. Your mission is to ensure our software is reliable, robust, and meets the highest standards of quality. Key Responsibilities Design, develop, and maintain test plans, test cases, and automated test scripts for Java-based systems, with a focus … tools (e.g., Maven or Gradle). Experience testing RESTful APIs and backend services. Strong problem-solving skills and attention to detail. Understanding of secure software development lifecycle. Familiarity with CI/CD tools such as Jenkins, GitLab CI, or GitHub Actions. Good communication skills and a collaborative mindset. Preferred More ❯

A Saas-based Software house is looking to grow its Development team for its growing client base of blue-chip clients. This role requires expert-level knowledge in PHP, Laravel & Vue.JS. The Development team is currently made up of 20. With a strong full-stack team, you will be … working closely with the Project Management & Design team - ultimately creating brilliant functional experiences that help save the end-user/customers money! Role: PHP Software Engineer - Laravel Location: Fully Remote in the UK Salary: £45,000 - £50,000 The successful candidate will have at least 2 years of More ❯