876 to 900 of 1,333 Senior Software Engineer Jobs in the UK

Software Engineer Location: London Experience: 5 7 Years Industry: Market Making/Proprietary Trading/Capital Markets Please note applicants coming from a buy side/trading/capital markets background will be given a strong preference Looking for software engineers to join a small but highly skilled, and collaborative, bringing together expert traders and software … or Python (C++ a plus) Familiarity with databases (e.g., SQL Server, Postgres) Familiarity with developing, testing, or deploying with cloud providers (e.g., AWS, GCP, Azure) Experience using version control software (e.g., Git) Curiosity and a desire to solve challenging problems Strong programming ability A collaborative mindset and eagerness to give and receive feedback Excellent written and verbal communication skills More ❯

The LSEG DevSecOps Engineering team inside the cyber security division is looking for Senior Software Engineers to build tools and automations to help secure software development for thousands of developers across the group. You will be working as part of a geographically distributed remote team comprising of security engineers and software engineers. Our team's mission … to embed security best practices frictionlessly as part of their day to day work. The ideal candidate will have the following skills: Deep understanding of cyber security principles, secure software development, and threat modeling Experience conducting security assessments, code reviews, and vulnerability management across diverse technology stacks Experience in building full-stack products (web applications, APIs, CI tooling or … low-level software) Hands-on experience with cloud technologies (AWS, GCP, Azure) and containers (Docker, Kubernetes), with a focus on security Familiarity with infrastructure-as-code (Terraform, Pulumi, CloudFormation) Knowledge of supply chain security risks and mitigation strategies in the SDLC Ability to build and automate security tools, processes, and controls (e.g., web apps, APIs, CI/CD integrations More ❯

Low Latency Software Engineer – Rust (or Willing to Learn) Onsite in London or Hong Kong. Relocation and sponsorship available. A high-performance trading firm is hiring software engineers to build low-latency systems. Open to junior and senior candidates from any OOP background (C++, Java, C#, etc). No Rust experience required — just a willingness to … re looking for: experience building low-latency or high-throughput systems, proficiency in any object-oriented language, Rust experience is a plus, familiarity with Linux, multithreading, and networking protocols. Senior candidates should have domain experience in trading or crypto. Junior candidates do not need industry experience. What’s offered: onsite role in London or Hong Kong, full relocation and More ❯

Senior Backend Software Engineer - UK, Remote Apply £60K - £85K Full-time Remote Brighton, GB Valid until 29/09/2025 About Eequ Eequ is a marketplace and booking platform for any learning that takes place outside of school or university. But our vision goes far beyond that. We believe there's an alternate future for education … doing what they love and sharing their wisdom with their communities. It will be a long life of learning. About the Product Eequ is a product-led company. Our software drives discovery, adoption, and retention. We have a self-serve model, low-friction onboarding, and user experience is at the centre of our business strategy. As we enter a More ❯

We are looking to speak with Senior Software Engineers for our client, a growing SaaS company. Key Responsibilities: Design and Architect scalable, reliable, and high-performance services and APIs. Write clean, optimised, and maintainable code primarily in TypeScript within an AWS cloud environment. Lead technical reviews and drive best engineering practices across the team (testing, CI/CD … documentation). Collaborate cross-functionally with Product Managers and Design to translate business requirements into technical solutions. Key Requirements: 5+ years of professional experience in software development, with 2+ years in a Senior capacity within a fast-paced SaaS or tech environment. Proven experience designing and deploying applications in a microservices/distributed architecture. More ❯

We are looking to speak with Senior Software Engineers for our client, a growing SaaS company. Key Responsibilities: Design and Architect scalable, reliable, and high-performance services and APIs. Write clean, optimised, and maintainable code primarily in TypeScript within an AWS cloud environment. Lead technical reviews and drive best engineering practices across the team (testing, CI/CD … documentation). Collaborate cross-functionally with Product Managers and Design to translate business requirements into technical solutions. Key Requirements: 5+ years of professional experience in software development, with 2+ years in a Senior capacity within a fast-paced SaaS or tech environment. Proven experience designing and deploying applications in a microservices/distributed architecture. More ❯

We are looking to speak with Senior Software Engineers for our client, a growing SaaS company. Key Responsibilities: Design and Architect scalable, reliable, and high-performance services and APIs. Write clean, optimised, and maintainable code primarily in TypeScript within an AWS cloud environment. Lead technical reviews and drive best engineering practices across the team (testing, CI/CD … documentation). Collaborate cross-functionally with Product Managers and Design to translate business requirements into technical solutions. Key Requirements: 5+ years of professional experience in software development, with 2+ years in a Senior capacity within a fast-paced SaaS or tech environment. Proven experience designing and deploying applications in a microservices/distributed architecture. More ❯

We are looking to speak with Senior Software Engineers for our client, a growing SaaS company. Key Responsibilities: Design and Architect scalable, reliable, and high-performance services and APIs. Write clean, optimised, and maintainable code primarily in TypeScript within an AWS cloud environment. Lead technical reviews and drive best engineering practices across the team (testing, CI/CD … documentation). Collaborate cross-functionally with Product Managers and Design to translate business requirements into technical solutions. Key Requirements: 5+ years of professional experience in software development, with 2+ years in a Senior capacity within a fast-paced SaaS or tech environment. Proven experience designing and deploying applications in a microservices/distributed architecture. More ❯

We are looking to speak with Senior Software Engineers for our client, a growing SaaS company. Key Responsibilities: Design and Architect scalable, reliable, and high-performance services and APIs. Write clean, optimised, and maintainable code primarily in TypeScript within an AWS cloud environment. Lead technical reviews and drive best engineering practices across the team (testing, CI/CD … documentation). Collaborate cross-functionally with Product Managers and Design to translate business requirements into technical solutions. Key Requirements: 5+ years of professional experience in software development, with 2+ years in a Senior capacity within a fast-paced SaaS or tech environment. Proven experience designing and deploying applications in a microservices/distributed architecture. More ❯

Senior Embedded Software Engineer Cardiff 26959/580 £48,000 - £59,000 & Bonus, Healthcare plan and more Benefits Package: o £48,000 - £59,000 starting salary o Company bonus o Group Pension Scheme o Private Medical Scheme including Healthcare Cash Plan o Life Assurance x 4 annual salary o Critical Illness Cover o Income Protection Part of … this high-tech manufacturer has developed an enviable reputation for product quality and innovation. They are currently undertaking their next phase of recruitment and therefore require two experienced Embedded Software/Firmware Engineers to join their expanding business. Role & Responsibilities: * Working in a small, versatile team, you will be involved in product design and sustaining activities on a range … o At least 4 years experience in Firmware development o Good working knowledge of low programming languages (C/C#) and scripting and the ability to use standard development software: debuggers, editors, compilers. For further information please email (url removed) If you are interested in this position please click 'apply'. Hunter Selection Limited is a recruitment consultancy with More ❯

Embedded Software Engineer – C++/Embedded Linux Level: Mid to Senior We’re seeking experienced Embedded Software Engineers to join a growing high-tech engineering organisation. This is a fantastic opportunity to work on innovative projects in a forward-thinking environment with real career progression on offer. The Role Develop and maintain embedded software in More ❯

Embedded Software Engineer – C++/Embedded Linux Level: Mid to Senior We’re seeking experienced Embedded Software Engineers to join a growing high-tech engineering organisation. This is a fantastic opportunity to work on innovative projects in a forward-thinking environment with real career progression on offer. The Role Develop and maintain embedded software in More ❯

We are looking to speak with Senior Software Engineers for our client, a growing SaaS company. Design and Architect scalable, reliable, and high-performance services and APIs. Write clean, optimised, and maintainable code primarily in TypeScript within an AWS cloud environment. Lead technical reviews and drive best engineering practices across the team (testing, CI/CD, documentation). … 5+ years of professional experience in software development, with 2+ years in a Senior capacity within a fast-paced SaaS or tech environment. More ❯

Job Title: Senior Engineer with Node.js and Python or Back End (Java and ideally Kafka) Max rate: £537/Day on Umbrella Location: Croydon (Hybrid) Clearance required: SC Transfer (Active SC only ) Contract Duration: 05 months Experience of Java Experience of Spring framework or equivalent. Knowledge of software design patterns and when to apply them Excellent knowledge … Experience of containerisation using Docker or Kubernetes Experience of Continuous Integration (CI) and Continuous Delivery (CD) A passion for delivering quality code, by use of TDD and setting high software quality standard We're also using the following technologies and patterns, it would be great if you had some of the skills, if not we can help develop them More ❯

A fast-growing, product-focused tech business is looking for a Lead Software Engineer to guide a skilled engineering team based in Nottingham . This is a primarily on-site role , with some hybrid flexibility, ideal for someone who enjoys hands-on leadership in a collaborative, in-person environment. You’ll guide the development of features and systems … Mentor and support developers, fostering a culture of learning and improvement Maintain high standards for code quality, scalability, and team communication What You’ll Bring 7+ years’ experience in software engineering, including recent time in a senior or lead role Strong experience with Node.js (NestJS), TypeScript , and Vue 3 Solid understanding of cloud infrastructure (preferably AWS) and CI … Node.js/TypeScript Frontend: Vue 3/TypeScript Cloud: AWS Databases: PostgreSQL/MongoDB Tools: Rush (monorepo), GitHub, Notion, Linear Comms: Slack, Zoom, Around If you're a seasoned engineer who thrives in a leadership role and enjoys building great products with great people, we’d love to hear from you. Apply now or get in touch to find More ❯

A fast-growing, product-focused tech business is looking for a Lead Software Engineer to guide a skilled engineering team based in Nottingham . This is a primarily on-site role , with some hybrid flexibility, ideal for someone who enjoys hands-on leadership in a collaborative, in-person environment. You’ll guide the development of features and systems … Mentor and support developers, fostering a culture of learning and improvement Maintain high standards for code quality, scalability, and team communication What You’ll Bring 7+ years’ experience in software engineering, including recent time in a senior or lead role Strong experience with Node.js (NestJS), TypeScript , and Vue 3 Solid understanding of cloud infrastructure (preferably AWS) and CI … Node.js/TypeScript Frontend: Vue 3/TypeScript Cloud: AWS Databases: PostgreSQL/MongoDB Tools: Rush (monorepo), GitHub, Notion, Linear Comms: Slack, Zoom, Around If you're a seasoned engineer who thrives in a leadership role and enjoys building great products with great people, we’d love to hear from you. Apply now or get in touch to find More ❯

A fast-growing, product-focused tech business is looking for a Lead Software Engineer to guide a skilled engineering team based in Nottingham . This is a primarily on-site role , with some hybrid flexibility, ideal for someone who enjoys hands-on leadership in a collaborative, in-person environment. You’ll guide the development of features and systems … Mentor and support developers, fostering a culture of learning and improvement Maintain high standards for code quality, scalability, and team communication What You’ll Bring 7+ years’ experience in software engineering, including recent time in a senior or lead role Strong experience with Node.js (NestJS), TypeScript , and Vue 3 Solid understanding of cloud infrastructure (preferably AWS) and CI … Node.js/TypeScript Frontend: Vue 3/TypeScript Cloud: AWS Databases: PostgreSQL/MongoDB Tools: Rush (monorepo), GitHub, Notion, Linear Comms: Slack, Zoom, Around If you're a seasoned engineer who thrives in a leadership role and enjoys building great products with great people, we’d love to hear from you. Apply now or get in touch to find More ❯

life in our Tech teams . We put people first. It’s all about you.. The ideal candidate is someone who has a strong background in building and maintaining software and microservices within an event-sourced architecture. They should be proficient in Golang and have hands-on experience with technologies such as Kafka, PostgreSQL, AWS, and Terraform. This role … and abstraction tools that integrate with our internal CRM, while ensuring the reliability and performance of existing systems. The ideal candidate thrives in a collaborative environment, working closely with software engineers and product teams to deliver robust, high-quality solutions. Previous Rust exposure or interest to develop is highly desired. We work together. Your team and the people you … data products. It enables ELT processes from standard sources (i.e. databases, Kafka, APIs etc) to our warehouse (BigQuery) while supporting the toolset for data contract definition and maintenance. Integration software and abstraction tools between Golang applications running on Kubernetes and our internal CRM. These are developed in Golang, a few are using Rust and are at the core of More ❯

Staff Software Engineer, Onchain (Applied Cryptography) Location: 108 E 16th Street, New York, NY 10003 Responsibilities Technical mentoring of junior engineers Sprint board management Required Skills Significant experience with embedded C/C++, Java, Python, and Rust Extensive expertise across Linux and Windows operating systems Strong understanding of electronics and systems More ❯

Senior Python Developer We’re looking for a Senior Python Developer to join a growing team based in Glasgow. This role offers the chance to contribute to software development projects, supporting the delivery and maintenance of key applications. Key responsibilities: Develop and maintain software applications using Python Work with frameworks such as Django, Flask, FastAPI, React More ❯

Senior Python Developer We’re looking for a Senior Python Developer to join a growing team based in Glasgow. This role offers the chance to contribute to software development projects, supporting the delivery and maintenance of key applications. Key responsibilities: Develop and maintain software applications using Python Work with frameworks such as Django, Flask, FastAPI, React More ❯

Senior Python Developer We’re looking for a Senior Python Developer to join a growing team based in Glasgow. This role offers the chance to contribute to software development projects, supporting the delivery and maintenance of key applications. Key responsibilities: Develop and maintain software applications using Python Work with frameworks such as Django, Flask, FastAPI, React More ❯

Are you a Software Engineer looking for a new challenge? Help save lives every day - join Sopra Steria, the force behind STORM, the command and control system trusted by UK emergency services. We are hiring Software Developers to support the ongoing development of our STORM application, built using VB click apply for full job details More ❯

Senior Software Developer – up to £60,000 + Equity Options Ready to take ownership of a platform with massive growth potential? Join a fast-growing AI company with a bright future. With a clear 6–9 month product roadmap and strong early traction, this role is perfect for a developer who wants both structure and freedom - and the … commercial teams to deliver impactful features Mentor junior developers and improve overall code quality Explore and integrate emerging AI tools into real-world products About You: 5+ years in software development, ideally with leadership or mentoring experience Strong skills in C#, plus some exposure to Python and JavaScript/TypeScript Comfortable navigating no-code/low-code platforms Experience More ❯

Senior Software Developer – up to £60,000 + Equity Options Ready to take ownership of a platform with massive growth potential? Join a fast-growing AI company with a bright future. With a clear 6–9 month product roadmap and strong early traction, this role is perfect for a developer who wants both structure and freedom - and the … commercial teams to deliver impactful features Mentor junior developers and improve overall code quality Explore and integrate emerging AI tools into real-world products About You: 5+ years in software development, ideally with leadership or mentoring experience Strong skills in C#, plus some exposure to Python and JavaScript/TypeScript Comfortable navigating no-code/low-code platforms Experience More ❯