526 to 550 of 3,969 Software Engineering Jobs in the UK excluding London

Junior Software Engineer London, UK £85,000 basic plus bonus We’re looking for a Junior Software Engineer to join a team that specialise in optimising large-scale, high-performance systems used by demanding clients worldwide. You’ll work across the full delivery lifecycle, from profiling and tuning code, to rethinking architectures ensuring software runs with maximum … ll be doing Profiling and optimising existing code to boost performance and reduce memory footprint Designing and implementing performance enhancements for high-throughput, low-latency systems Working with Product, Engineering, and Clients to understand and meet performance targets Creating and maintaining automated performance and load testing frameworks Mentoring engineers on writing efficient, scalable, and maintainable code Contributing to architectural … decisions that directly impact performance and reliability What we’re looking for A few years commercial experience in software engineering with strong experience in Python, Java, or C# Proven track record of performance tuning in large-scale, distributed systems Expertise in profiling tools, memory management, and debugging complex performance issues Strong database optimisation skills (Postgres, SQL Server, or More ❯

Junior Software Engineer London, UK £85,000 basic plus bonus We’re looking for a Junior Software Engineer to join a team that specialise in optimising large-scale, high-performance systems used by demanding clients worldwide. You’ll work across the full delivery lifecycle, from profiling and tuning code, to rethinking architectures ensuring software runs with maximum … ll be doing Profiling and optimising existing code to boost performance and reduce memory footprint Designing and implementing performance enhancements for high-throughput, low-latency systems Working with Product, Engineering, and Clients to understand and meet performance targets Creating and maintaining automated performance and load testing frameworks Mentoring engineers on writing efficient, scalable, and maintainable code Contributing to architectural … decisions that directly impact performance and reliability What we’re looking for A few years commercial experience in software engineering with strong experience in Python, Java, or C# Proven track record of performance tuning in large-scale, distributed systems Expertise in profiling tools, memory management, and debugging complex performance issues Strong database optimisation skills (Postgres, SQL Server, or More ❯

Software Engineer – Python/FastAPI/React/Functional programming/Typescript Location: London, UK (Hybrid) Type: Full-time Level: Mid to Senior Salary: £70,000 to £100,000 About the Role: This startup is building a cutting-edge platform to transform how engineers design physical products. Instead of creating one solution at a time, this system enables users … is a spin-out from one of the UK’s most successful startups, built by top-tier engineers and developers from industry leading teams. We’re looking for a software engineer who enjoys writing clean, functional code and is genuinely passionate about real-world engineering not just building software, but helping change how things are designed and … built. Opportunities: Frontend or Backend Tech Stack within the engineering environment: Backend: Python, FastAPI, Pydantic, PostgreSQL, Docker Frontend: React, TypeScript, Vite Infrastructure: GitHub Actions, GCP, Kubernetes (optional) Paradigms: Functional programming, async APIs, event-driven architecture Responsibilities Build and maintain backend services using FastAPI and Python for geometry, simulation, and data workflows Develop responsive, performant frontends using React and TypeScript More ❯

Software Engineer – Python/FastAPI/React/Functional programming/Typescript Location: London, UK (Hybrid) Type: Full-time Level: Mid to Senior Salary: £70,000 to £100,000 About the Role: This startup is building a cutting-edge platform to transform how engineers design physical products. Instead of creating one solution at a time, this system enables users … is a spin-out from one of the UK’s most successful startups, built by top-tier engineers and developers from industry leading teams. We’re looking for a software engineer who enjoys writing clean, functional code and is genuinely passionate about real-world engineering not just building software, but helping change how things are designed and … built. Opportunities: Frontend or Backend Tech Stack within the engineering environment: Backend: Python, FastAPI, Pydantic, PostgreSQL, Docker Frontend: React, TypeScript, Vite Infrastructure: GitHub Actions, GCP, Kubernetes (optional) Paradigms: Functional programming, async APIs, event-driven architecture Responsibilities Build and maintain backend services using FastAPI and Python for geometry, simulation, and data workflows Develop responsive, performant frontends using React and TypeScript More ❯

NO AGENCIES, PLEASE. About Us Zetica is the UK's leading independent geophysical specialist. We develop advanced sensing and data processing systems that help solve complex engineering and environmental challenges for major infrastructure projects. We create software that processes high-throughput sensor streams from equipment deployed in the field, often in safety-critical environments. The Role Join our … growing software team to implement data processing software and data capture control systems, as well as analytical and visualisation tools. You will work across the full development lifecycle, from design to deployment, collaborating with data scientists and hardware engineers to turn prototypes into production solutions. We are looking for a passionate software engineer who embraces best practices … thrives on technical challenges and wants to make a real impact. What You Need Degree in Computer Science, Software Engineering, or related field Previous experience in commercial development Strong skills in C# or C++, and Python Experience with data processing systems and SQL databases Git proficiency and collaborative working approach Bonus points for: Agile experience, Linux familiarity, cloud More ❯

apply after reading the complete description. About Us Zetica is the UK's leading independent geophysical specialist. We develop advanced sensing and data processing systems that help solve complex engineering and environmental challenges for major infrastructure projects. We create software that processes high-throughput sensor streams from equipment deployed in the field, often in safety-critical environments. The … Role Join our growing software team to implement data processing software and data capture control systems, as well as analytical and visualisation tools. You will work across the full development lifecycle, from design to deployment, collaborating with data scientists and hardware engineers to turn prototypes into production solutions. We are looking for a passionate software engineer who … embraces best practices, thrives on technical challenges and wants to make a real impact. What You Need Degree in Computer Science, Software Engineering, or related field Previous experience in commercial development Strong skills in C# or C++, and Python Experience with data processing systems and SQL databases Git proficiency and collaborative working approach Bonus points for: Agile experience More ❯

Required Qualifications Senior level software engineering competency, with strong full-stack experience. Proficient in .NET/C#, JavaScript, Azure SQL (MSSQL). Proven experience developing APIs and UI components in distributed systems. Experience working with pipelines that power mission-critical financial transactions. We're building modern, cloud-native systems using .NET/C#, Azure SQL, and Vue.js, with More ❯

Senior Software Engineer | Capital Markets | Scale-Up About the Company They're a fast-growing London-based technology company transforming how institutional players access and use market data in the global energy and commodities space. In an industry still reliant on manual workflows and legacy systems, they're building next-generation analytics and trading intelligence tools that bring automation … backing from top-tier investors, they’re scaling rapidly to tackle new, complex challenges that have never been solved before. About the Role They’re looking for a Senior Software Engineer who’s eager to take ownership of high-impact projects from idea to execution. You’ll collaborate closely with product and engineering to design and deliver new … greenfield features, contribute to architectural decisions, and help shape a high-performing, collaborative engineering culture. You’ll have the autonomy to experiment, solve meaningful technical problems, and make direct contributions that shape the direction of their product and company. What You’ll Do Take full ownership of new feature development and end-to-end delivery of large-scale projects More ❯

Senior Software Engineer | Capital Markets | Scale-Up About the Company They're a fast-growing London-based technology company transforming how institutional players access and use market data in the global energy and commodities space. In an industry still reliant on manual workflows and legacy systems, they're building next-generation analytics and trading intelligence tools that bring automation … backing from top-tier investors, they’re scaling rapidly to tackle new, complex challenges that have never been solved before. About the Role They’re looking for a Senior Software Engineer who’s eager to take ownership of high-impact projects from idea to execution. You’ll collaborate closely with product and engineering to design and deliver new … greenfield features, contribute to architectural decisions, and help shape a high-performing, collaborative engineering culture. You’ll have the autonomy to experiment, solve meaningful technical problems, and make direct contributions that shape the direction of their product and company. What You’ll Do Take full ownership of new feature development and end-to-end delivery of large-scale projects More ❯

Senior Software Engineer | Capital Markets | Scale-Up About the Company They're a fast-growing London-based technology company transforming how institutional players access and use market data in the global energy and commodities space. In an industry still reliant on manual workflows and legacy systems, they're building next-generation analytics and trading intelligence tools that bring automation … backing from top-tier investors, they’re scaling rapidly to tackle new, complex challenges that have never been solved before. About the Role They’re looking for a Senior Software Engineer who’s eager to take ownership of high-impact projects from idea to execution. You’ll collaborate closely with product and engineering to design and deliver new … greenfield features, contribute to architectural decisions, and help shape a high-performing, collaborative engineering culture. You’ll have the autonomy to experiment, solve meaningful technical problems, and make direct contributions that shape the direction of their product and company. What You’ll Do Take full ownership of new feature development and end-to-end delivery of large-scale projects More ❯

Senior Software Engineer Web3 & Digital Finance Platform Up to 85,000 + Equity Full Remote - Europe Were representing a pioneering digital finance company operating at the intersection of FinTech and Web3 . Their platform powers a new generation of yield and investment products for digital asset holders, combining financial-grade infrastructure with the flexibility and innovation of blockchain technology. … Theyre now looking for a Senior Software Engineer to join their distributed engineering team. This is a rare opportunity to work on real-world Web3 integrations and contribute to a production-grade platform that underpins institutional-scale digital finance. Youll be part of a small, high-performing engineering team responsible for building and evolving the companys core … backend systems and APIs. Your work will directly support blockchain integrations, custody solutions, and partner-facing investment products. Key Responsibilities as a Senior Software Engineer: Design, develop, and maintain backend systems and APIs that power digital asset and yield products. Build integrations with crypto exchanges, custodians, and blockchain data sources. Write robust, maintainable, and well-tested code in a More ❯

decisions faster. By partnering with Anaplan, businesses anticipate change, navigate complexity, and gain a competitive edge. Team Description You’ll join the Platform & AI Enablement team within our GPTO Engineering organization, reporting to the Sr. Director Engineering API. The team is responsible for building core capabilities that power our data and AI infrastructure—enabling scalable, resilient, and intelligent … systems to support enterprise-scale Business Planning Software solutions. Your Impact Design, build, and operate platform capabilities supporting batch, streaming, and AI-driven workloads Develop resilient and scalable systems using Apache Kafka, Flink, Pulsar, and cloud-native technologies Collaborate with AI/ML teams to deploy models and enable generative AI use cases Implement integrations with data lakes and … features, including React-based frontends and backend services in Java and Python Ensure code quality through clean, maintainable, and well-tested implementations Participate in design reviews, pair programming, and engineering best practices Deliver features across sprint cycles and collaborate with global teams Your Qualifications 8+ years of hands-on experience in software engineering, especially in platform/ More ❯

decisions faster. By partnering with Anaplan, businesses anticipate change, navigate complexity, and gain a competitive edge. Team Description You’ll join the Platform & AI Enablement team within our GPTO Engineering organization, reporting to the Sr. Director Engineering API. The team is responsible for building core capabilities that power our data and AI infrastructure—enabling scalable, resilient, and intelligent … systems to support enterprise-scale Business Planning Software solutions. Your Impact Design, build, and operate platform capabilities supporting batch, streaming, and AI-driven workloads Develop resilient and scalable systems using Apache Kafka, Flink, Pulsar, and cloud-native technologies Collaborate with AI/ML teams to deploy models and enable generative AI use cases Implement integrations with data lakes and … features, including React-based frontends and backend services in Java and Python Ensure code quality through clean, maintainable, and well-tested implementations Participate in design reviews, pair programming, and engineering best practices Deliver features across sprint cycles and collaborate with global teams Your Qualifications 8+ years of hands-on experience in software engineering, especially in platform/ More ❯

Senior Java Developer – AWS Cloud Platform Nottingham – Hybrid Full time – permanent We are seeking a Senior Software Engineer to design, develop, and deploy scalable, secure, and high-performing applications on the AWS Cloud platform. You will play a key role in shaping new features that are both delightful and essential to users, while ensuring robust architecture and high-quality … code. You’ll collaborate closely with Product Management, Architecture, and Engineering teams to bring innovative ideas to life, own and lead development on team-owned components, and contribute to continuous improvement within your technical domain. Key Responsibilities: Design, develop, and deploy cloud-native applications on AWS, leveraging services such as EC2, Lambda, S3, API Gateway, RDS, and CloudFormation. Collaborate … Contribute to the design and implementation of microservices and APIs using Java, Spring Boot, and Spring Cloud. Participate in code reviews, technical discussions, and architecture design sessions to uphold engineering excellence. Ensure robust CI/CD pipelines for AWS deployments and integrate with monitoring and logging tools. Innovate and share knowledge within the team, promoting engineering best practices More ❯

Senior Java Developer – AWS Cloud Platform Nottingham – Hybrid Full time – permanent We are seeking a Senior Software Engineer to design, develop, and deploy scalable, secure, and high-performing applications on the AWS Cloud platform. You will play a key role in shaping new features that are both delightful and essential to users, while ensuring robust architecture and high-quality … code. You’ll collaborate closely with Product Management, Architecture, and Engineering teams to bring innovative ideas to life, own and lead development on team-owned components, and contribute to continuous improvement within your technical domain. Key Responsibilities: Design, develop, and deploy cloud-native applications on AWS, leveraging services such as EC2, Lambda, S3, API Gateway, RDS, and CloudFormation. Collaborate … Contribute to the design and implementation of microservices and APIs using Java, Spring Boot, and Spring Cloud. Participate in code reviews, technical discussions, and architecture design sessions to uphold engineering excellence. Ensure robust CI/CD pipelines for AWS deployments and integrate with monitoring and logging tools. Innovate and share knowledge within the team, promoting engineering best practices More ❯

Company Description Are you passionate about engineering? Do you want to make a difference? ALTEN is a global engineering and technology consultancy operating across over 30 countries worldwide. We partner with industry leaders across sectors including Aeronautics, Aerospace, Defence, Naval, Automotive, Energy, Rail, and many more to deliver innovative engineering solutions that drive technological advancement and support … empower talented engineers to innovate, solve complex challenges, and deliver impactful solutions that build tomorrows worldtoday. Job Description Join our team to help deliver fast-paced, high-impact Defence software solutions that translate complex algorithms into operational capabilities. Youll work closely with algorithm engineers to integrate mathematical and software models into production-ready, reliable, and maintainable systems. This … is a unique opportunity to apply your full software lifecycle experience in a rapid capability deployment environment , where your work has a direct impact on operational outcomes. Location: Templecombe On-site: Monday Thursday minimum Seniority: Senior (8+ years experience) Clearance: SC clearable (no caveats) Key Responsibilities Develop, integrate, and maintain software for rapid deployment projects in the Defence More ❯

working, or the ability to flex your start and finish times. Where possible, we support a working pattern that suits your lifestyle and helps you reach your ambitions.Software Solutions Engineering PROFILE: You are a recent graduate with a Master's degree from an Engineering school and have some significant (around 2 years) experience (professional/internships, academic or … team player You also like working independently and look for empowermentCOMPETENCIES: You are able to adapt and react to change You know and enjoy designing, developing and testing secure software solutions and/or components You can demonstrate knowledge in Full Stack or pure back/pure front programming languages and frameworks (JAVA, C, C++, Python, or any other … IS Computing Platforms, Operating Systems, and Hypervisors You know Agile principlesNICE TO HAVE: + Specific knowledge linked to the domain/product/project - to be filled in by Engineering Manager or Talent Acquisition LIFE AS A THALES SOFTWARE SOLUTIONS ENGINEERING ROLE As a Software Solutions Engineering Role within Thales you will: Work within in More ❯

Company Description Are you passionate about engineering? Do you want to make a difference? ALTEN is a global engineering and technology consultancy operating across over 30 countries worldwide. We partner with industry leaders across sectors including Aeronautics, Aerospace, Defence, Naval, Automotive, Energy, Rail, and many more to deliver innovative engineering solutions that drive technological advancement and support … empower talented engineers to innovate, solve complex challenges, and deliver impactful solutions that build tomorrows worldtoday. Job Description Join our team to help deliver fast-paced, high-impact Defence software solutions that translate complex algorithms into operational capabilities. Youll work closely with algorithm engineers to integrate mathematical and software models into production-ready, reliable, and maintainable systems. This … is a unique opportunity to apply your full software lifecycle experience in a rapid capability deployment environment , where your work has a direct impact on operational outcomes. Location: Templecombe On-site: Monday Thursday minimum Seniority: Senior (8+ years experience) Clearance: SC clearable (no caveats) Key Responsibilities Develop, integrate, and maintain software for rapid deployment projects in the Defence More ❯

We’re working with a leading, technology-driven trading organisation with a global presence, seeking a Senior Software Engineer to join their innovative platform engineering team. This is an exceptional opportunity to work on cutting-edge systems that process data at scale, powering decision-making in fast-moving global markets. Our client is a diversified principal trading firm … operating across multiple asset classes, financial instruments, and emerging sectors. Key Skills & Experience 3+ years’ experience in platform-level software engineering Strong computer science fundamentals (degree or equivalent experience) Proven expertise in Java, Python, or other modern programming languages Experience working with large-scale, high-volume data systems Strong problem-solving and analytical skills Comfortable collaborating with distributed … global teams The Role As part of a highly skilled engineering team, you will: Build tools to enable rapid market opportunities and enhance trading operations Partner closely with analysts, quants, and traders to understand their needs and deliver intuitive, self-service solutions Design and develop systems for large-scale data acquisition, processing, storage, and visualisation Contribute to a platform More ❯

We’re working with a leading, technology-driven trading organisation with a global presence, seeking a Senior Software Engineer to join their innovative platform engineering team. This is an exceptional opportunity to work on cutting-edge systems that process data at scale, powering decision-making in fast-moving global markets. Our client is a diversified principal trading firm … operating across multiple asset classes, financial instruments, and emerging sectors. Key Skills & Experience 3+ years’ experience in platform-level software engineering Strong computer science fundamentals (degree or equivalent experience) Proven expertise in Java, Python, or other modern programming languages Experience working with large-scale, high-volume data systems Strong problem-solving and analytical skills Comfortable collaborating with distributed … global teams The Role As part of a highly skilled engineering team, you will: Build tools to enable rapid market opportunities and enhance trading operations Partner closely with analysts, quants, and traders to understand their needs and deliver intuitive, self-service solutions Design and develop systems for large-scale data acquisition, processing, storage, and visualisation Contribute to a platform More ❯

We’re working with a leading, technology-driven trading organisation with a global presence, seeking a Senior Software Engineer to join their innovative platform engineering team. This is an exceptional opportunity to work on cutting-edge systems that process data at scale, powering decision-making in fast-moving global markets. Our client is a diversified principal trading firm … operating across multiple asset classes, financial instruments, and emerging sectors. Key Skills & Experience 3+ years’ experience in platform-level software engineering Strong computer science fundamentals (degree or equivalent experience) Proven expertise in Java, Python, or other modern programming languages Experience working with large-scale, high-volume data systems Strong problem-solving and analytical skills Comfortable collaborating with distributed … global teams The Role As part of a highly skilled engineering team, you will: Build tools to enable rapid market opportunities and enhance trading operations Partner closely with analysts, quants, and traders to understand their needs and deliver intuitive, self-service solutions Design and develop systems for large-scale data acquisition, processing, storage, and visualisation Contribute to a platform More ❯

matched pension and other Contract type: Full time, permanent Sanderson Recruitment are exclusively supporting a FTSE 100 Financial Services and Insurance business in the search for a Staff Software Engineer. This is a unique opportunity to provide technical leadership, drive engineering best practices, and deliver scalable, high-quality solutions that support the organisation's long-term technology goals. … As a Staff Software Engineer, you will provide technical direction across multiple teams, mentor engineers, and play a key role in shaping the technical roadmap. You'll collaborate with senior leadership to ensure engineering outputs are robust, secure, and aligned with strategic objectives. Key Responsibilities Provide technical leadership and mentorship to engineers across multiple teams. Oversee the design … automation, testing, and secure development practices. Collaborate with senior leadership on technical strategy, risk management, and roadmap planning. Lead the resolution of technical constraints, blockers, and integration challenges. Promote engineering values and facilitate clear communication and knowledge sharing. Identify and address technical debt, ensuring sustainability and continuous improvement. Required Skills and Experience Significant experience as a Senior or Staff More ❯

Senior Oracle APEX Software Engineer (SC Cleared) Bristol, Leicester, or Plymouth (2 days per week onsite) 425 - 525 per day (Inside IR35) 6-month contract Must hold live & transferrable SC clearance ( used within the last 12 months) The Opportunity We're seeking an experienced Senior Oracle APEX Software Engineer to play a key role in supporting critical engineering … to national security and the safety of those at sea. The Role As part of the Digital Solutions Team, you'll be responsible for designing, developing, and maintaining complex software applications that underpin through-life engineering support for the Royal Navy's submarine fleet. You'll take a lead role in requirement analysis, solution design, and efficient software More ❯

Senior Oracle APEX Software Engineer (SC Cleared) Bristol, Leicester, or Plymouth (2 days per week onsite) £425 - £525 per day (Inside IR35) 6-month contract Must hold live & transferrable SC clearance ( used within the last 12 months) The Opportunity We're seeking an experienced Senior Oracle APEX Software Engineer to play a key role in supporting critical engineering … to national security and the safety of those at sea. The Role As part of the Digital Solutions Team, you'll be responsible for designing, developing, and maintaining complex software applications that underpin through-life engineering support for the Royal Navy's submarine fleet. You'll take a lead role in requirement analysis, solution design, and efficient software More ❯

Working for an industry leading, high-growth SaaS business with some of the biggest brand names in the world as customers, the Senior Software Engineer will build innovative next-gen solutions that are at the forefront of the industry. In this role, the Senior Software Engineer will be given full autonomy, taking ownership from design phase through to … systems (some frontend too, if you like). This area is the future of the company (and the industry!) and as such has strong investment and visibility. The Senior Software Engineer will be responsible for leading the design, build and deployment of industry leading software solutions. You’ll work in collaboration with product, design and the wider engineering team to improve and scale existing features, as well as build brand new ones. The Senior Software Engineer will have: • Strong backend or full-stack software development experience • Strong coding experience in either Java, Golang (Go), Python or Scala – multiple would be even better! • Experience with cloud platforms e.g. AWS, Azure, GCP - Google Cloud • Experience with data More ❯