101 to 125 of 167 Software Engineering Jobs in Watford

Are you keen to help in the transition towards sustainable lifestyles with clean technologies? Senior Software Engineer 🚩 Fully Remote in the UK 💰 £90,000 - £120,000 I am partnered with a Scale-Up Energy SAAS provider who are looking for a Senior Software Engineer to work closely with … the CEO to drive the engineering strategy of the company. Their highly scalable, low latency platform is built on Java, AWS, Docker and Kubernetes. You will be an ideal Senior Software Engineer if you have: PhD educated background, ideally in Computer Science or Maths, Engineering Deep understand … approach As a company they are massively scaling up their development function this year and you'll have a fantastic opportunity as a Senior Software Engineer to have a huge influence on the companies engineering strategy. If you have a PhD in Computer Science with a focus on More ❯

various business engagements, such as client projects and internal company products. Some examples of these engagements include client scoping programmes, and PoC/MVP software development. A significant focus will be on building and optimizing Large Language Model (LLM) inferences and creating robust web services. This includes developing event … documentation, CI/CD. Experience working in an agile framework preferable, including defining functional and non-functional requirements and sprint tasks. Understanding of data engineering, some experience with building production-grade ETL pipelines, as well as backend web development, backend-for-frontend, GraphQL, and FastAPI. Strong communication skills, able … to communicate with both technical and commercial people. BSc or a MSc in Mathematics, Physics, Computer Science, or an Engineering discipline (STEM). Desirable knowledge and experience Understanding of or working with AI/ML algorithms and data science. Docker and Kubernetes. Experience with Large Language Model stacks, vector More ❯

cutting-edge technology markets. About Us Conexus is an international specialist recruitment organisation focused on delivering top-tier talent across: SAP Salesforce Data & Analytics Software Engineering Cyber Security With ambitious growth plans, we are expanding our teams and looking for experienced recruiters who want to build something special More ❯

hiring a Backend Engineer for a fully remote contract with a leading UK fintech. This is a high-impact role within a well-established engineering team, focused on building scalable systems using Golang at production scale. You’ll be contributing to a modern, microservices-driven architecture powering services used More ❯

Full Stack Software Developer | Hertfordshire | Hybrid (x2 days a week in office) Please note the client is unable to offer visa sponsorship at this point - you must be eligible to work in the UK. Are you a passionate Full Stack Software Developer who thrives on solving real-world More ❯

a hands-on tech leader with a passion for crafting smart, scalable digital experiences? Are you looking to work with a collaborative squad where engineering excellence meets innovation? Join us as a Lead Engineer and help shape the future of Haven Digital. We’re on the lookout for someone … Product Managers and UX Designers to define and deliver the backlog Balance hands-on coding with strategic oversight (approx. 60/40 split) Drive engineering best practices across design, implementation, and testing Foster a culture of continuous improvement and knowledge sharing Champion simplicity, scalability, and sustainability across digital solutions … curious, keep learning, and bring fresh thinking to the table What we’d like you to bring: Proven experience as a senior or lead software engineer in a product centric environment Expert in at least one of Dart or TypeScript—and familiar with Flutter, React or Node.js Strong knowledge 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 of the … maintain solutions to detect and mitigate account takeover attempts. Improve the resilience, scalability, and efficiency of cloud-based identity services. Drive continuous improvement of engineering practices, coding standards, and deployment processes. Collaborate with Product Owners to translate business needs into scalable technical solutions. Oversee deployment and operations across development … JavaScript Frameworks: Node.js, NestJS Authentication & Identity: Auth0, Transmit Security Collaboration: GitHub Join us in securing digital identities and protecting client trust through cutting-edge engineering and cybersecurity innovation. McGregor Boyall is an equal opportunity employer and do not discriminate on any grounds. More ❯

Future Talent Pool - Full Stack Software Engineers from typescript/node javascript backgrounds, you'll be working with a major consumer products client on latest microservices ecommerce software solutions. The Role Excellent opportunity to work with leading online consumer products company in leading agile commerce development team, developing … rich client applications. Full stack with backend focus using Nodejs. Docker and container orchestration engines such as Kubernetes for application deployment. DevOps culture Essential 🔰 software development with TypeScript and Node.js 🔰 ecommerce software development experience 🔰 extensive experience working on eCommerce systems 🔰 must have hands-on doding experience 🔰 Agile development … Lambda 🔰 Experience in working with enterprise clients. This advert was posted by Staffworx Limited – a UK based recruitment consultancy supporting the global E-commerce, software & consulting sectors. Services advertised by Staffworx are those of an Agency and/or an Employment Business. Other suitable opportunities are available at www.staffworx.co.uk 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 … alongside product and design teams to transform user needs into feasible technical solutions. Enhance the testing framework with unit and integration tests, ensuring robust software delivery. Stay informed on emerging technologies and industry best practices to continuously elevate the team’s capabilities. Who We’re Looking For A strong More ❯

Senior Software Developer Location: Bristol (Hybrid – 2/3 Days Onsite) Job Type: Permanent Clearance Requirement: SC Eligible The Opportunity We’re working with a leading defence organisation on a key hire for a Senior Software Developer to join their embedded systems team. This is a hands-on … high-impact role developing real-time software for next-generation systems where performance and reliability are critical. Whether leading delivery or solving complex low-level challenges in C/C++ or Ada, you'll be at the core of safety-critical defence technologies—offering both deep technical engagement and … long-term career growth. What You’ll Do • Lead or support the design, development, and integration of embedded software for advanced real-time platforms • Collaborate with systems, hardware, and safety teams to deliver certified software solutions that meet strict performance and security standards • Engage directly with requirement authorities More ❯

Senior Software Engineer – Tech for Good – up to £120k (Plus Equity) - London This is not your average app build. Join a team of some of the brightest minds in the UK developing a Product to empower disabled people around the world. Backed by strong funding and aiming for 100x … growth, they’re building something as complex as autonomous vehicles but for a whole new domain. Role: Senior Software Engineer Salary: Up to £120,000 (Plus equity) Location: London/Hybrid Why join? - Backed by serious funding - Ambitious 100x growth plans - A product with real-world, global impact - A … UK’s brightest minds W e’re looking for: ✅ Experience working on a complex products, I.e Sensor fusion, AR, or computer vision. ✅ A solid software background with a willingness to learn ✅ Exp with TypeScript, React, Python or Swift ✅ A proactive, problem-solving mindset ✅ Appetite for high-intensity, high-impact More ❯

at our headquarters in the National Robotarium in Edinburgh—a world-leading hub for robotics, AI, and autonomous systems. This job is for a Software Engineer (Android) to join our product development team, focused on building Android applications. This position will have the following responsibilities: Android Platform development: Own … the building and maintenance of the backend and front end of patient-focused software initiatives. This is currently an Android application using Kotlin and Jetpack compose, combined with a serverless backend built with AWS and Typescript. We want to expand our patient population by implementing brand new therapy functionality … CI/CD pipelines: Support automated build, test and deployment processes to ensure seamless release cycles to our clients. Collaboration : Work with our other engineering teams and leads to build a robust tech stack that supports our clinician web portal, unity games, firmware and hardware. Innovation: Help drive the More ❯

you are not required or expected to have background in Machine Learning. This is an applied role, and we are looking to hire a software engineer with experience in cloud computing and distributed systems. In this role, you will: Design and develop highly-scalable, fault tolerant and event driven … are confident in our deployments. What we are looking for: Back-end development: At least 2-3 years of industry experience in back-end engineering developing reliable and scalable systems with an object-oriented programming language. Cloud-native technologies: Experience in deploying to cloud platforms (e.g., AWS, GCP or … Azure), an understanding of containerisation (e.g., Docker), infrastructure-as-code software (e.g., Terraform), and observability platforms (e.g., Datadog or Grafana). Curiosity : A hunger to learn and grow your skills. Problem solving: Strong analytical problem-solving skills and attention to detail. You have the ability to break down a More ❯

join us in person once a month for team meetings in either Edinburgh or London. How you will make a difference: As the Senior Software Engineer , you will play a key role as part of an agile team building innovative products that make life better for people. Develop and … technical design discussions and help with architectural patterns and best practices Participate in design and code reviews with peers to elevate the quality of engineering Build in safety to move fast by working in small increments, writing testable and maintainable code, and getting continuous feedback Advance the values of … the organisation (caring, accountability, integrity, empowerment, passion, fun) What will make you stand out: Extensive experience in professional software development, with a strong track record of building and delivering high-quality applications Expert proficiency with JavaScript (NextJS, TypeScript, and SST) Strong experience with Event-Driven Architecture and microservices patterns More ❯

Lead Full Stack Engineer | Future Head of Engineering £110K–£130K + Equity Central London Are you a Lead Software Engineer ready to build at scale, ship impactful AI products, and grow into a Head of Engineering role? Techmunity are partnering with a fast-moving AI EdTech startup … scale a reality. Backed by strong funding (3+ years runway) and led by founders with successful edtech exits, they’re now building their core engineering team from the ground up. What You’ll Be Doing Architect and build a high-scale system designed for millions of users Lead CI … testing infrastructure, and system design Collaborate with ML engineers to deploy models into production Work with multi-modal data (text, images, audio, video) Shape engineering best practices and grow a high-performance team What They’re Looking For Proven experience building high-load, scalable systems Strong Python and AWS More ❯

decision-making. Ensuring AI models are scalable and efficient for real-world enterprise deployment. Experimenting with different machine learning and GenAI techniques, including prompt engineering, RAG (Retrieval Augmented Generation), fine-tuning of LLMs, RLHF (reinforcement learning with human feedback), and adversarial techniques. Evaluating AI model performance using statistical and … and testing AI models before full-scale deployment. Skills & experience Technical Expertise Understanding of transformer architectures, and large-scale language models. Experience with data engineering, model optimisation, and distributed computing. Strong programming skills in JavaScript, or Python/other AI-related languages. Strong SQL and data analytics skills. Familiarity … delivering measurable AI value to HR professionals. Ability to balance long-term AI research with short-term business impact. Significant experience working as a Software Engineer, with a focus on growth engineering or related field, and strong full-stack practical coding skills. Benefits & culture At Zellis we create More ❯

Job: Senior Software Engineer Location: Northern Ireland (remote) Salary: £70,000 - £80,000 + attractive share options Search 5.0 is exclusively partnering with one of the UK & Ireland’s hottest growing tech companies co for a Product focused Software Engineer to join their team! Our client is transforming … with some of the best, diverse technologists in the industry in a domain in which they can barely keep up with demand. Job: Senior Software Engineer Our client works in a cross-functional set-up with a high degree of autonomy and responsibility for the product. You will Product … Engineering focused, not just developing a piece of code, you’ll be engineering the product! By leveraging your technical skills and domain expertise to plan, design, develop and ship across the entire stack solving real problems and in return adding customer value. You will collaborate closely with designers 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 join … the opportunity to shape how mission-critical financial systems are developed. You’ll be working in a collaborative environment with a strong emphasis on engineering best practices and long-term maintainability. Key Requirements: Strong experience in modern C++ (C++11/14/17/20) in a production environment 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 on both … 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 ❯

We’re partnered with a globally recognised team behind a widely used open-source platform. They’re looking for a Senior Software Engineer with strong Ruby experience to lead on new feature development, performance improvements, and robust testing — all within a fully remote environment. You’ll be part of … a collaborative, engineering-led culture with the opportunity to contribute to a high-impact product used by technical teams worldwide. Location: Fully Remote Term: Perm Salary: £70k + Key Skills: 5+ years of hands-on Ruby on Rails experience Strong with Git, CI/CD, and collaborative workflows Confident More ❯

Job: Software Engineer Location: Remote £40,000 to £45,000 Search 5.0 is delighted to be partnering with an award-winning tech company for a mid-level software engineer to join their exciting journey. You will have the opportunity to work with some of the most well-recognised … innovative brands. Our client offers a one-stop shop by building apps, websites, and custom software whilst offering cloud hosting and an in-house design team. Job: Software Engineer (PHP) You will play a crucial part in your client’s success working across a variation of deep & meaningful … projects. You will design, develop, and mainly high-quality software solutions, delivering brilliance. You will work in an incredible cross-functional team to deliver exceptional results. As a Software Engineer, you will: Develop, test, and deploy software solutions that meet requirements and quality standards. Collaborate with team More ❯

Principal Software Engineer Remote (UK-based) | Help Shape the Future of Veterinary Care IVC Evidensia is on a mission to set the global standard for veterinary care—and we need exceptional engineers to make that happen. With 2,500+ clinics in over 20 countries and a growing community of … building a best-in-class tech team that’s grounded in purpose and driven by innovation. 🧠 Your Role in Our Vision As a Principal Software Engineer , you’ll be a key technical leader—shaping architecture, mentoring teams, and driving large-scale engineering initiatives. You'll work across multiple … Mentor and grow senior engineers, promoting a high-performance, inclusive culture. Lead delivery of impactful cross-team technical initiatives. 🌟 What You Bring Hands-on software development experience. Deep expertise in .NET/C#, AWS, microservices, and distributed systems. Strong leadership and mentoring skills. Proficiency with messaging systems (SNS/ More ❯

Job Title: Python Software Engineer Client: Scientific Quant Fund Salary: £70,000 - £225,000 Base (+ Bonus) Location: London/Hybrid Role: My client is looking for an experienced Python Software Engineer to join their rapidly expanding development team, leveraging Python to streamline and automate critical processes. With … the trading desk. Key Requirements: Degree in Computer Science or STEM based subjects. 2+ years of experience in a relevant role such as Python Software Engineer or Quant Developer. Proficiency in modern software development practices, including version control and agile development methodologies. Strong written and verbal communication skills … pressure environment, delivering results efficiently. Benefits: Exceptional professional growth opportunities in a tech-focused company, allowing you to enhance your skills as a Python Software Engineer at an accelerated pace. Access to state-of-the-art technologies, enabling you to work with advanced tools and frameworks. Highly competitive bonuses More ❯

selected candidates. WE ARE SoftServe is a digital authority that advises and provides service at the cutting edge of technology. We empower enterprises and software companies to (re)identify their differentiation, accelerate solution development, and vigorously compete in today’s digital economy. Transforming the way thousands of global organizations … wide range of projects in different areas, domains, and technologies. The GenAI Strategy at SoftServe aims to spearhead the development and implementation of intelligent software systems that integrate GenAI, AI, Data Analytics, MLOps, and Cloud infrastructure. IF YOU ARE A holder of a Ph.D. or master's Degree in … with the latest pre-trained language models like GPT-4, BERT, and their subsequent iterations, including fine-tuning for specific tasks Aware of the software development lifecycle of AI projects, machine learning operationalization processes Experienced with AI solutions deployment to main cloud providers Hands-on with Python and TensorFlow More ❯

Senior Software Engineer SALARY – UP TO £75,000! LOCATION – STEVENAGE What we can offer you: Company Bonus : Up to £2,500, dependent on company performance, and subject to annual variation. Pension : Combined employer and employee contribution of up to 14%. Overtime : Paid overtime opportunities available. Flexi Leave : Up … to 15 additional days. Training and Development : Outstanding opportunities for career progression, training, and development. The role: Join an innovative team as a Senior Software Engineer, driving the development of test solutions for advanced systems. Contribute to software that configures, verifies, and validates product quality across development, production … and field scenarios. Work in a dynamic, multi-disciplinary environment, designing cutting-edge test solutions involving software, hardware, and real-time systems. What we want from you: Proficient in developing software using C, C++, or ADA, with a focus on creating reliable, high-performance, and well-documented solutions. More ❯