76 to 100 of 1,082 Software Engineer Jobs in London

Principal Software Engineer - Simple Machines Hybrid · Full-time · London, UK About Simple Machines Simple Machines is a leading independent boutique technology firm with a global footprint across London, Poland, Sydney and New Zealand. We operate at the intersection of data, AI, machine learning, data engineering, and software … help them better understand their organisations, customers, and citizens. Our teams design and build large-scale data platforms, intelligent systems, and high-impact software products. We engineer data to lifeTM. The Role As a Principal Software Engineer , you’ll play a key role in delivering complex ...

kind and talented team, and while some have prior security experience, many have been successful at Vanta without it. As a Senior Software Engineer on our Privacy & Data Security team based in London, you'll be an early member of our growing presence in Europe. You'll partner … analyses data from those sources, and surfaces potential security threats to our customers in real time with guidance to remediate them. As a Senior Software Engineer on our Privacy & Data Security team, you’ll be responsible for setting technical direction to enable our product and infrastructure to scale ...

Software Engineer at Thought Machine in London, United Kingdom — confirm sponsorship on the employer application page. Sponsorship status varies — check the employer application page before applying. Thought Machine is seeking talented Software Engineers to join our team in London. You will work on our core banking platform … marked as remote. Company context Thought Machine has active SoftwareCareers listings in the current job inventory. Prepare examples for: Distributed Systems, Cloud Infrastructure, Software Engineering, API Development. Receive verified Engineering jobs with visa and relocation signals. Explore similar employers with active visa-sponsored roles. Plan relocation while you evaluate ...

Software Developer (multiple hires) 6month contract insideIR35 Rate: £(Apply online only) per day Location: London hybrid working, twice a week in office Skills: Go, Java Git, REST, Jenkins, NoSQL, Postgres We're looking for an enthusiastic, diligent Software Engineer to work with one of our well known … back-end micro-service architecture and communication Bachelors Degree in computer science, computer engineering, or other 3yrs+ commercial experience If you're a backend software engineer with experience with Go do apply with your CV. ...

Security Cleared Software Engineer Permanent Location: Manchester Hybrid - 3 days per week onsite Salary: £75,000 - £85,000 Must hold active SC clearance The Role We are seeking experienced Software Engineers to join a major programme within a secure defence environment. This is an opportunity to work … complex, business-critical software applications using a broad modern technology stack. You will contribute across the full software development lifecycle, helping to design, build, test, deploy and support secure, scalable applications. The role would suit a Full-Stack Software Engineer with experience across front ...

trading activity. The applications include various bespoke solutions supporting Trade capture, Operations, Analytics, Risk, Reporting and Finance. We are looking for a Software Engineer to lead, design, develop and maintain the digital products in our LNG Energy Trading and Risk Management landscape. As a Staff Software Engineer, you will work closely with other software engineers, product managers, ux designers, data analysts and scientists and our business partners. You will actively participate in feature development, performance enhancements and offering technical support to other teams. Key accountabilities: Design sophisticated backend components, services, platforms, and Restful APIs ...

Role Summary We are seeking an exceptional Principal Software Engineer – AI Native to lead the design, development, and delivery of business‐critical software platforms across Aventum Group. This is a hands‐on leadership role for a highly experienced software engineer who combines deep technical expertise … with an AI‐first mindset. You will be responsible for architecting scalable solutions, driving engineering excellence, and leveraging AI‐native development practices to accelerate software delivery and innovation across the business. As a Principal Engineer, you will act as a technical authority across multiple initiatives, influencing architecture, engineering ...

World-Changing Company Palantir builds the world’s leading software for data-driven decisions and operations. By bringing the right data to the people who need it, our platforms empower our partners to develop lifesaving drugs, forecast supply chain disruptions, locate missing children, and more. The Role … excited about building world class platforms that power mission critical software at a huge scale? Apollo enables autonomous management and continuous deployment of software, wherever it is. We’re taking SAAS to where SAAS has not gone before: from on-premise, to various cloud providers, to disconnected environments ...

Senior Software Engineer (ML Systems) Title : Senior Software Engineer (ML Systems) Company : Deep Technology Organisation Location : London Pay : Up to £120,000 Company : A deeply technical organisation is investing heavily in the future of large-scale intelligent systems. They are assembling a small group of exceptional … engineers and researchers to tackle some of the most challenging problems at the intersection of software, hardware and performance engineering. The team focuses on understanding how complex distributed systems behave at scale, using measurement, modelling and simulation to guide design decisions long before systems are deployed. In you, they ...

Operational Cyber Software Engineer Locations: Gloucester, Manchester or London (onsite) Salary: £60,000 - £83,000 + excellent benefits Are you a Software Engineer with a passion for solving complex technical challenges? Do you enjoy working with secure systems, low-level technologies and cutting-edge cyber capabilities … looking for Operational Cyber Software Engineers to join a highly skilled team delivering mission-critical capabilities across some of the UK's most challenging cyber and national security programmes. In this role, you'll design, develop and test high-assurance software solutions, working alongside industry experts in software ...

Software Engineer | Embedded & Systems | London (Hybrid) | Circa 100,000 We are supporting an innovative technology company developing next-generation networking solutions that integrate hardware and photonics for high-performance computing systems. They are seeking Software Engineers to design and develop embedded software and software for high-speed network platforms. The role involves contributing to systems that connect GPU-based infrastructure with interconnect technologies. Key Responsibilities: Define software architecture in collaboration with cross-functional engineering teams and develop embedded software for network interface hardware. Enhance and maintain DevOps infrastructure and workflows. Design ...

Role: Software Engineer Location: London Working Arrangement: 2 days a week on client site Salary: Up to £60k Build high-performance software that solves complex technical challenges. Are you a Software Engineer looking to take the next step in your career? If you enjoy writing … working with modern technologies, we'd love to hear from you. We're looking for engineers with at least a year of commercial software development experience who are keen to continue developing their skills in a collaborative, high-performing environment. You'll work alongside experienced engineers on challenging projects ...

Cyber Software Engineer £65,000 - 85,000 GBP Bonus, Pension, Benefits Onsite WORKING Location: Central London, Greater London - United Kingdom Type: Permanent Operational Cyber Software Engineer Location: London (5 Days Onsite) Salary: £65,000 - £85,000 + Excellent Benefits Company Overview Our client is a leading … cyber and national security organisation delivering secure software solutions across some of the UK's most complex and mission-critical programmes. This is an exciting opportunity to join a high-performing cyber engineering team developing secure software for challenging operational environments. You'll combine strong software engineering ...

Senior Software Engineer Application Deadline: 4 September 2026 Department: Software Engineering Employment Type: Permanent Location: London (Hybrid) Compensation: £70,000 - £95,000/year Description Please note: applicants must hold active SC clearance and be eligible to obtain DV. This role also requires applicants to work … high impact systems, the kind where security, scalability, and seamless usability aren't just features, but absolute requirements. We’re looking for a Senior Software Engineer who wants to shape meaningful systems, influence technical direction, and collaborate with capable people who care about doing the job properly. ...

Operational Cyber Software Engineer Locations: Gloucester, Manchester or London (onsite) Salary: £60,000 - £83,000 + excellent benefits Are you a Software Engineer with a passion for solving complex technical challenges? Do you enjoy working with secure systems, low-level technologies and cutting-edge cyber capabilities … looking for Operational Cyber Software Engineers to join a highly skilled team delivering mission-critical capabilities across some of the UK's most challenging cyber and national security programmes. In this role, you'll design, develop and test high-assurance software solutions, working alongside industry experts in software ...

Senior Software Engineer Department: Technology - Engineering Employment Type: Full Time Location: London Reporting To: Sergiy Bagdasar Description As a Senior Software Engineer, you will play a leading role in the design, development and delivery of scalable, secure and high-quality software solutions that support Chetwood … best practice. Working collaboratively across product, architecture and engineering teams, you will help shape technical solutions, challenge requirements and drive continuous improvement throughout the software development lifecycle. Key Responsibilities Design, develop and deliver high-quality, scalable software solutions, taking ownership of complex technical components and system designs. Collaborate ...

Senior Software Engineer Department: Technology Employment Type: Permanent - Full Time Location: UK - London Reporting To: Anna Kaglyak Description At CFC, technology is central to how we create and deliver specialist insurance products. Our platforms support every part of the business, enabling underwriters, brokers and clients to work more … efficiently and make better decisions. We're seeking a Senior Software Developer to join our Engineering team. Working within a collaborative, product-led environment, you'll design and deliver scalable software solutions, contribute to technical strategy, and help shape the evolution of our technology platforms. This role offers ...

America and Asia Pacific. We employ 25,000 people globally, more than half located in Asia Pacific.Role Summary:This position is for a Senior Software Engineer who will be accountable for the design and development of a Real-Time SDK as well as deployment of surrounding server side … management and monitoring to facilitate contributing to or consuming real time financial content.You will work with local/remote development team(s) to define software requirements, do technical design and implement software solutions. In this role, you should be able to work independently with little supervision. Your overall ...

Manpower UK is seeking a Senior Software Engineer for a permanent position at their New Malden site, offering a negotiable salary plus a comprehensive benefits package including bonus, pension, and life assurance. This role involves supporting the design, implementation, and testing of system solutions within the Submarine Command … System team. Senior Software Engineer – New Malden Responsibilities Design, implement, and test system solutions for the Submarine Command System team. Guide and mentor junior software engineers throughout the project lifecycle. Assist the management team with reporting, planning, and estimation activities. Meet with customers and end users ...

Senior Software Engineer 6-Month Contract £600-£650 per day (Inside IR35) Hybrid (1 day per week in London, Cardiff or Glasgow) SC Clearance is desirable but not essential A leading governing body is seeking an experienced Senior Software Engineer to support the development and delivery … such as CI/CD and automation. Key Responsibilities Develop, maintain, and support core business applications Contribute to the technical design and delivery of software solutions Produce clear and effective technical documentation Collaborate with cross-functional teams including Product, Delivery, and DevOps Support the adoption of modern development practices ...

Senior Software Engineer 6-Month Contract £600-£650 per day (Inside IR35) Hybrid (1 day per week in London, Cardiff or Glasgow) SC Clearance is desirable but not essential A leading governing body is seeking an experienced Senior Software Engineer to support the development and delivery … such as CI/CD and automation. Key Responsibilities Develop, maintain, and support core business applications Contribute to the technical design and delivery of software solutions Produce clear and effective technical documentation Collaborate with cross-functional teams including Product, Delivery, and DevOps Support the adoption of modern development practices ...

bank of the future from the ground up, offering you the chance to join us and make a significant impact. As a Lead Software Engineer at JPMorgan Chase within the International Consumer Bank, you will play a crucial role in this initiative, dedicated to delivering an outstanding banking … leveraging the latest technologies and the best industry practices Use domain modelling techniques to allow us to build best in class business products. Structure software so that it is easy to understand, test and evolve. Build solutions that avoid single points of failure, using scalable architectural patterns. Develop secure ...

Software Engineer (SAR) Start: ASAP Duration: 6-12 months Location: hybrid, 2-days per week in London *candidates will require an active SC Clearance to start this role* We're seeking an experienced Software Engineer to join an Agile development team delivering enterprise cloud solutions. … responsible for developing new features, resolving defects and contributing to high-quality software delivery within a modern Azure environment. Key Responsibilities - Develop clean, maintainable code aligned to project requirements. - Deliver features from user stories using Azure DevOps. - Investigate, fix and log software defects. - Participate in code reviews ...

Senior Software Engineer (Cloud Infrastructure & DevOps) Location: London (Three days in office, two days wfh) Salary: £80,000 to £100,000 + Bonus My client is seeking a Senior Software Engineer to lead our cloud infrastructure and DevOps practices within the Developers' Team. They are primarily … concepts clearly to both technical and non-technical stakeholders Collaborate with accountancy teams to ensure data platform reliability and performance Technical 5+ years of software engineering experience with a significant cloud infrastructure focus Understanding of networking, security, and cloud best practices Hands-on experience with AWS services Experience with ...

bank of the future from the ground up, offering you the chance to join us and make a significant impact. As a Lead Software Engineer at JPMorgan Chase within the International Consumer Bank, you will play a crucial role in this initiative, dedicated to delivering an outstanding banking … leveraging the latest technologies and the best industry practices Use domain modelling techniques to allow us to build best in class business products. Structure software so that it is easy to understand, test and evolve. Build solutions that avoid single points of failure, using scalable architectural patterns. Develop secure ...