751 to 775 of 1,128 Software Engineer Jobs in London

candidates may make applications for this position, so make sure to send your CV and application through as soon as possible. These companies face unique, complex challenges that typical software was never designed to solve. Cogna was founded to change this. Our mission is to give critical industries their own AI-powered Software Factory: a way to build … your experience doesn t match every requirement. We are committed to building a diverse team that reflects the industries and societies we serve. Overview We are looking for a Software Engineer (Team Lead) to lead a team of 3-6 talented engineers while spending more than half your time doing deeply technical work. You will be responsible for More ❯

billion-dollar businesses. The company’s trajectory is ambitious, from zero to seven figures in recurring revenue within its first year and this is only the beginning. As a Software Engineer, you’ll join a small, high calibre team where ownership is everything. You’ll work primarily on the backend, integrating with LLMs, and collaborating directly with the … s nothing quite like building the next tech unicorn, together, in the same room, ask the big players. What you’ll need to succeed: Strong experience building production quality software (Java, TypeScript, or Python) Curiosity and adaptabilit y: you learn new technologies quickly and apply them effectively Hunger and drive: you’re comfortable working in ambiguous, fast paced environments More ❯

billion-dollar businesses. The company’s trajectory is ambitious, from zero to seven figures in recurring revenue within its first year and this is only the beginning. As a Software Engineer, you’ll join a small, high calibre team where ownership is everything. You’ll work primarily on the backend, integrating with LLMs, and collaborating directly with the … s nothing quite like building the next tech unicorn, together, in the same room, ask the big players. What you’ll need to succeed: Strong experience building production quality software (Java, TypeScript, or Python) Curiosity and adaptabilit y: you learn new technologies quickly and apply them effectively Hunger and drive: you’re comfortable working in ambiguous, fast paced environments More ❯

stay ahead of the challenges we are likely to encounter in 6-12 months' time. What we're looking for: At least seven (7) years of experience as a software engineer, at least 3 on the senior/lead level. You have experience in a high-performing engineering team that is operating at scale. This could come from More ❯

Electronic & Software Design Engineer Technical Area: Analogue Design, Microcontroller programming, DFM, Low Power, Altium The Company This successful company designs and manufactures electromechanical detection devices for safety-critical industrial environments. The products are low-power, intrinsically safe, and designed to withstand fire and explosions in harsh environments such as those within the oil and gas industry. All products … are manufactured on-site and distributed globally. The Job We seek an experienced Electronic Engineer with microcontroller coding skills to work within a small team designing products from concept to manufacture on multiple design for manufacture projects. Responsibilities: Design new and modify existing products from initial specification through testing, certification, and production. Programming of PIC microcontrollers in C Prototyping … design using Altium Design for CE marking, EMC and Low Voltage Directive (training provided) Test and validate internally and through external approval bodies About You As an Electronics Design Engineer, you should have a good mix of the following skills and experience: HNC/HND/Degree in Electronics Engineering or equivalent Proficiency in analogue and digital circuit design More ❯

Role: Software Design Engineer - Up to £150k + Bonus + Equity Salary: Up to £150k + Bonus + Equity React, Figma - any of Linear, Motion, Gsap, Three.js or WebGL is sought after too! Software Engineers are treated as the company's #1 asset More ❯

Senior Java Engineer – Product Engineering | B2B SaaS | Insurtech Up to £120,000 per annum plus bonus and excellent pension London – 2 days a week Java | Spring Boot | AWS | Kubernetes | Event-Driven Architecture Senior Java Engineer – We have been exclusively engaged by a leading B2B SaaS technology business to find a Senior Java Engineer with a “product engineering … operating with the freedom of a scale-up, the company offers the best of both worlds: long-term security and the agility to innovate. The Role The Senior Java Engineer will play a central role in designing, building, and scaling products that deliver tangible business value. Working closely with Product and the business, you will be leading technical initiatives … and mentoring colleagues, while also helping to shape the organisation’s engineering culture. This is an opportunity for an engineer who sees software development as a means to solve meaningful problems, not just to write code. The role requires someone who enjoys solving complex challenges, influencing architectural decisions and building scalable, resilient systems. Key Responsibilities Designing and developing More ❯

Senior Java Engineer – Product Engineering | B2B SaaS | Insurtech Up to £120,000 per annum plus bonus and excellent pension London – 2 days a week Java | Spring Boot | AWS | Kubernetes | Event-Driven Architecture Senior Java Engineer – We have been exclusively engaged by a leading B2B SaaS technology business to find a Senior Java Engineer with a “product engineering … operating with the freedom of a scale-up, the company offers the best of both worlds: long-term security and the agility to innovate. The Role The Senior Java Engineer will play a central role in designing, building, and scaling products that deliver tangible business value. Working closely with Product and the business, you will be leading technical initiatives … and mentoring colleagues, while also helping to shape the organisation’s engineering culture. This is an opportunity for an engineer who sees software development as a means to solve meaningful problems, not just to write code. The role requires someone who enjoys solving complex challenges, influencing architectural decisions and building scalable, resilient systems. Key Responsibilities Designing and developing More ❯

Java London/Hybrid Contract The Role Should have rich knowledge in Software Development Life Cycle Methodologies; excellent communication and interpersonal skills, capable of resolving multiple complex issues and motivating team to achieve peak performance Create a comprehensive architecture for a software solution and providing strategic direction throughout the development process. Design and develop high-performance, scalable, and … stakeholders to gather and analyse requirements, translating them into technical specifications and architectural designs. Convert visionary concepts into enterprise-wide systems. Coordinate with all stakeholders in architectural designs and software development. Ensure compliance of best practices and policies in software development. Perform code reviews and provide feedback to team members to maintain code quality and adherence to best … system features and functionality Define application objectives and functionality Ensure application designs conform with business goals Identify and resolve any technical issues arising Write well-designed, testable code Conducting software analysis, programming, testing, and debugging Support continuous improvement, investigating alternatives and technologies, and presenting for architectural review Requirements Good hands-on in Java, J2EE, Databases (Postgres), Web Services (REST More ❯

Job Title: Software Developers – Multiple Positions (Junior to Senior Principal) Location: London (Hybrid – Flexible working with client site travel required) Salary: Competitive, based on experience (from 1 year to Principal level) – Multiple positions available Clearance Requirement: Active SC or DV Clearance is essential About the Company Leading tech partner headquartered in London Rapidly growing with ambitious expansion plans Collaborative … and forward-thinking culture Focused on delivering software solutions that drive measurable business impact Role Overview Broad role spanning software development, architecture, and engineering Client-facing position with opportunities across diverse industries Design, build, and optimize scalable software applications and systems Work on high-impact, dynamic projects with flexibility to innovate Key Responsibilities Translate client requirements into … robust software solutions Develop and maintain applications using modern programming languages and frameworks Contribute to system architecture and design decisions Ensure code quality through testing, reviews, and best practices Collaborate with cross-functional teams to deliver project goals Stay current with emerging technologies and development methodologies Tech Stack & Tools Programming Languages: C++, C#, Python, JavaScript, TypeScript, Java Frameworks & Libraries More ❯

Job Title: Software Developers – Multiple Positions (Junior to Senior Principal) Location: London (Hybrid – Flexible working with client site travel required) Salary: Competitive, based on experience (from 1 year to Principal level) – Multiple positions available Clearance Requirement: Active SC or DV Clearance is essential About the Company Leading tech partner headquartered in London Rapidly growing with ambitious expansion plans Collaborative … and forward-thinking culture Focused on delivering software solutions that drive measurable business impact Role Overview Broad role spanning software development, architecture, and engineering Client-facing position with opportunities across diverse industries Design, build, and optimize scalable software applications and systems Work on high-impact, dynamic projects with flexibility to innovate Key Responsibilities Translate client requirements into … robust software solutions Develop and maintain applications using modern programming languages and frameworks Contribute to system architecture and design decisions Ensure code quality through testing, reviews, and best practices Collaborate with cross-functional teams to deliver project goals Stay current with emerging technologies and development methodologies Tech Stack & Tools Programming Languages: C++, C#, Python, JavaScript, TypeScript, Java Frameworks & Libraries More ❯

Job Title: Software Developers – Multiple Positions (Junior to Senior Principal) Location: London (Hybrid – Flexible working with client site travel required) Salary: Competitive, based on experience (from 1 year to Principal level) – Multiple positions available Clearance Requirement: Active SC or DV Clearance is essential About the Company Leading tech partner headquartered in London Rapidly growing with ambitious expansion plans Collaborative … and forward-thinking culture Focused on delivering software solutions that drive measurable business impact Role Overview Broad role spanning software development, architecture, and engineering Client-facing position with opportunities across diverse industries Design, build, and optimize scalable software applications and systems Work on high-impact, dynamic projects with flexibility to innovate Key Responsibilities Translate client requirements into … robust software solutions Develop and maintain applications using modern programming languages and frameworks Contribute to system architecture and design decisions Ensure code quality through testing, reviews, and best practices Collaborate with cross-functional teams to deliver project goals Stay current with emerging technologies and development methodologies Tech Stack & Tools Programming Languages: C++, C#, Python, JavaScript, TypeScript, Java Frameworks & Libraries More ❯

Job Title: Software Developers – Multiple Positions (Junior to Senior Principal) Location: London (Hybrid – Flexible working with client site travel required) Salary: Competitive, based on experience (from 1 year to Principal level) – Multiple positions available Clearance Requirement: Active SC or DV Clearance is essential About the Company Leading tech partner headquartered in London Rapidly growing with ambitious expansion plans Collaborative … and forward-thinking culture Focused on delivering software solutions that drive measurable business impact Role Overview Broad role spanning software development, architecture, and engineering Client-facing position with opportunities across diverse industries Design, build, and optimize scalable software applications and systems Work on high-impact, dynamic projects with flexibility to innovate Key Responsibilities Translate client requirements into … robust software solutions Develop and maintain applications using modern programming languages and frameworks Contribute to system architecture and design decisions Ensure code quality through testing, reviews, and best practices Collaborate with cross-functional teams to deliver project goals Stay current with emerging technologies and development methodologies Tech Stack & Tools Programming Languages: C++, C#, Python, JavaScript, TypeScript, Java Frameworks & Libraries More ❯

Senior Software Developer | £100,000 | London | Financial Services Overview: A leading financial services organisation is seeking a Senior Software Developer to drive the design, development, and delivery of critical technology solutions across its operations. This high-impact role sits at the heart of business transformation, focused on building scalable systems to support reporting, compliance, and operational efficiency. The … patterns, development standards, and quality controls Lead and mentor developers, managing performance and growth Contribute to technology strategy, promoting innovation and best practices Essential Skills & Experience: 8+ years in software development within financial services or other complex enterprise environments is a must have Skilled in C#, .NET Core, Angular (v17+), SQL Server, Azure, microservices, and Power BI Experience in … unit testing, test automation, and Agile delivery Knowledge of compliance, regulatory reporting, and enterprise operational processes Proven experience delivering complex software solutions Strong leadership and stakeholder management skills Bonus: Python, Azure Data Factory/Databricks, data analysis, and COTS platforms Package: £100,000 15% non-contributory pension Hybrid working (3 days per week) Performance-based bonus scheme Comprehensive benefits More ❯

Senior Software Developer | £100,000 | London | Financial Services Overview: A leading financial services organisation is seeking a Senior Software Developer to drive the design, development, and delivery of critical technology solutions across its operations. This high-impact role sits at the heart of business transformation, focused on building scalable systems to support reporting, compliance, and operational efficiency. The … patterns, development standards, and quality controls Lead and mentor developers, managing performance and growth Contribute to technology strategy, promoting innovation and best practices Essential Skills & Experience: 8+ years in software development within financial services or other complex enterprise environments is a must have Skilled in C#, .NET Core, Angular (v17+), SQL Server, Azure, microservices, and Power BI Experience in … unit testing, test automation, and Agile delivery Knowledge of compliance, regulatory reporting, and enterprise operational processes Proven experience delivering complex software solutions Strong leadership and stakeholder management skills Bonus: Python, Azure Data Factory/Databricks, data analysis, and COTS platforms Package: £100,000 15% non-contributory pension Hybrid working (3 days per week) Performance-based bonus scheme Comprehensive benefits More ❯

Senior Software Developer | £100,000 | London | Financial Services Overview: A leading financial services organisation is seeking a Senior Software Developer to drive the design, development, and delivery of critical technology solutions across its operations. This high-impact role sits at the heart of business transformation, focused on building scalable systems to support reporting, compliance, and operational efficiency. The … patterns, development standards, and quality controls Lead and mentor developers, managing performance and growth Contribute to technology strategy, promoting innovation and best practices Essential Skills & Experience: 8+ years in software development within financial services or other complex enterprise environments is a must have Skilled in C#, .NET Core, Angular (v17+), SQL Server, Azure, microservices, and Power BI Experience in … unit testing, test automation, and Agile delivery Knowledge of compliance, regulatory reporting, and enterprise operational processes Proven experience delivering complex software solutions Strong leadership and stakeholder management skills Bonus: Python, Azure Data Factory/Databricks, data analysis, and COTS platforms Package: £100,000 15% non-contributory pension Hybrid working (3 days per week) Performance-based bonus scheme Comprehensive benefits More ❯

Senior Software Developer | £100,000 | London | Financial Services Overview: A leading financial services organisation is seeking a Senior Software Developer to drive the design, development, and delivery of critical technology solutions across its operations. This high-impact role sits at the heart of business transformation, focused on building scalable systems to support reporting, compliance, and operational efficiency. The … patterns, development standards, and quality controls Lead and mentor developers, managing performance and growth Contribute to technology strategy, promoting innovation and best practices Essential Skills & Experience: 8+ years in software development within financial services or other complex enterprise environments is a must have Skilled in C#, .NET Core, Angular (v17+), SQL Server, Azure, microservices, and Power BI Experience in … unit testing, test automation, and Agile delivery Knowledge of compliance, regulatory reporting, and enterprise operational processes Proven experience delivering complex software solutions Strong leadership and stakeholder management skills Bonus: Python, Azure Data Factory/Databricks, data analysis, and COTS platforms Package: £100,000 15% non-contributory pension Hybrid working (3 days per week) Performance-based bonus scheme Comprehensive benefits More ❯

Java Engineer Ready to apply Before you do, make sure to read all the details pertaining to this job in the description below. A fast-growing loyalty & rewards company helping brands create deeper, data-driven relationships with their customers seek skilled Java Engineers to help design and deliver cutting-edge Microservices powering next-generation loyalty experiences. What You ll More ❯

Java Engineer – 6-Month Contract – Hybrid (2 days on site, London) - Day Rate: Up to £650 (Inside IR35) Join a high-performing engineering team working on large-scale, high-availability systems used by millions. This role offers the chance to build and enhance complex backend services in a modern, cloud-native environment. What you’ll be doing: Designing and … experience with Java, Spring Boot, and microservice architecture. Proven background working in cloud environments (ideally AWS). Familiarity with CI/CD pipelines and automation tools. Solid grasp of software testing, TDD, and Agile methodologies. Good communication skills and the ability to work collaboratively in a hybrid setup. Contract Details: Location: London (2 days per week on site) Duration … months, strong potential for extension Rate: Up to £650 per day (Inside IR35) If you’re an experienced Java Engineer keen to join a modern engineering environment and work on systems that operate at scale, please get in touch for more information. More ❯

Java Engineer – 6-Month Contract – Hybrid (2 days on site, London) - Day Rate: Up to £650 (Inside IR35) Join a high-performing engineering team working on large-scale, high-availability systems used by millions. This role offers the chance to build and enhance complex backend services in a modern, cloud-native environment. What you’ll be doing: Designing and … experience with Java, Spring Boot, and microservice architecture. Proven background working in cloud environments (ideally AWS). Familiarity with CI/CD pipelines and automation tools. Solid grasp of software testing, TDD, and Agile methodologies. Good communication skills and the ability to work collaboratively in a hybrid setup. Contract Details: Location: London (2 days per week on site) Duration … months, strong potential for extension Rate: Up to £650 per day (Inside IR35) If you’re an experienced Java Engineer keen to join a modern engineering environment and work on systems that operate at scale, please get in touch for more information. More ❯

Senior Software Developer London – Twice a week in the office £70,000-£90,000 C#/Python/Azure I’m currently working for a well-established tech consultancy business of over 70 years who are based in Central London and looking for a Senior Software Developer , paying up to £90,000 and requiring office working of twice More ❯

Senior Software Developer London – Twice a week in the office £70,000-£90,000 C#/Python/Azure I’m currently working for a well-established tech consultancy business of over 70 years who are based in Central London and looking for a Senior Software Developer , paying up to £90,000 and requiring office working of twice More ❯

Senior Software Developer London – Twice a week in the office £70,000-£90,000 C#/Python/Azure I’m currently working for a well-established tech consultancy business of over 70 years who are based in Central London and looking for a Senior Software Developer , paying up to £90,000 and requiring office working of twice More ❯

Senior Software Developer London – Twice a week in the office £70,000-£90,000 C#/Python/Azure I’m currently working for a well-established tech consultancy business of over 70 years who are based in Central London and looking for a Senior Software Developer , paying up to £90,000 and requiring office working of twice More ❯

Software Developer - eDV Rate: £700 - £770 a day Duration: Initially 6 months Location: Cheltenham, Manchester or London Clearance: Current eDV is required The role is working within the National Security sector for a global IT consultancy. Java development Object store configuration and containerisation Docker, Kubernetes Back-end software development using Python and Java Relational databases and SQL Experience … integrating 3rd party software, scripting/glue work Experience building and deploying web user interfaces Experience working closely with or in national security missions Agile approaches to delivery Good problem-solving skills and understanding of how to trace faults/errors in the system Ability to present technical ideas clearly and work well with customers and stakeholders More ❯