176 to 200 of 222 Lead Software Developer Jobs in the UK

of web application infrastructure projects. Using a diverse toolset with an emphasis on JavaScript, Node.js, and related frameworks, this role is looking for a Developer to lead on the technical front, as opposed to team leadership. Skills Required HTML5/Less CSS/Computer Science/Web Development …/Web Software Engineer/PHP Astrophysics/Software Engineering/JavaScript/React.js/AngularJS/Vue.js/Node.js/ExpressJS/Web UI/Front-end/full-stack/back-end/Developer/Programmer/Team Lead Wide Variety of Projects Offering … of web application infrastructure projects. Using a diverse toolset with an emphasis on JavaScript, Node.js, and related frameworks, this role is looking for a Developer to lead on the technical front, as opposed to team leadership. #J-18808-Ljbffr More ❯

Job Title: Lead Software Engineer, Principal Developer, Terraform, AZURE, C# 100% Remote UK Inside IR35, London (City of London) Client: Experis UK Location: London (City of London), United Kingdom Job Category: Other EU work permit required: Yes Job Views: 1 Posted: 25.05.2025 Expiry Date: 09.07.2025 Job Description … Job Title: Senior .NET Developer (12-Month Contract) Location: 100% Remote Inside IR35 We are seeking an experienced Senior .NET Developer to join our team on a 12-month contract, with potential for extension. The role involves creating scalable, high-quality solutions, mentoring junior developers, and supporting ongoing … and resilience throughout the development lifecycle. Collaborate with leadership and product teams on design and feature development. Minimum of 3 years in a senior software development role with successful project delivery. Experience mentoring and working in agile teams. Strong diagnostic skills and support experience. At least 5 years of More ❯

We have an opportunity to impact your career and provide an adventure where you can push the limits of what's possible. As a Lead Software Engineer at JPMorgan Chase within the Chief Technology Office, youare an integral part of an agile team that works to enhance, build … conducting critical technology solutions across multiple technical areas within various business functions in support of the firm’s business objectives. Job responsibilities Executes creative software solutions, design, development, and technical troubleshooting with ability to think beyond routine or conventional approaches to build solutions or break down technical problems Develops … and reviews and debugs code written by others Identifies opportunities to eliminate or automate remediation of recurring issues to improve overall operational stability of software applications and systems Leads evaluation sessions with external vendors, startups, and internal teams to drive outcomes-oriented probing of architectural designs, technical credentials, and More ❯

Job Title: Senior .NET Developer (12-Month Contract) Location: 100% Remote Inside IR35 We are looking for an experienced and talented Senior .NET Developer to join our dynamic development team on a 12-month contract with the potential for extension. As a Senior .NET Developer, you will … level objectives are met. Maintain a strong focus on quality, reusability, clean architectures, security, and resilience across the full application lifecycle. Collaborate with the Lead Developer, Delivery Manager, and Product Owner to design service improvements and new feature additions. 3+ years of experience in a senior software More ❯

Job Title: Senior .NET Developer (12-Month Contract) Location: 100% Remote Inside IR35 We are looking for an experienced and talented Senior .NET Developer to join our dynamic development team on a 12-month contract with the potential for extension. As a Senior .NET Developer, you will … level objectives are met. Maintain a strong focus on quality, reusability, clean architectures, security, and resilience across the full application lifecycle. Collaborate with the Lead Developer, Delivery Manager, and Product Owner to design service improvements and new feature additions. Key Essentials: 3+ years of experience in a senior … software development role at the enterprise level with a proven track record of successful project delivery. Experience mentoring junior developers and being an active member of an agile and self-improving team. Strong diagnostic skills and experience providing levels of support when issues arise. Extensive experience ( 5+ years ) with More ❯

Job Title: Senior .NET Developer (12-Month Contract) Location: 100% Remote Inside IR35 We are looking for an experienced and talented Senior .NET Developer to join our dynamic development team on a 12-month contract with the potential for extension. As a Senior .NET Developer, you will … level objectives are met. Maintain a strong focus on quality, reusability, clean architectures, security, and resilience across the full application lifecycle. Collaborate with the Lead Developer, Delivery Manager, and Product Owner to design service improvements and new feature additions. Key Essentials: 3+ years of experience in a senior … software development role at the enterprise level with a proven track record of successful project delivery. Experience mentoring junior developers and being an active member of an agile and self-improving team. Strong diagnostic skills and experience providing levels of support when issues arise. Extensive experience ( 5+ years ) with More ❯

Job Title: Senior .NET Developer (12-Month Contract) Location: 100% Remote Inside IR35 We are looking for an experienced and talented Senior .NET Developer to join our dynamic development team on a 12-month contract with the potential for extension. As a Senior .NET Developer, you will … level objectives are met. Maintain a strong focus on quality, reusability, clean architectures, security, and resilience across the full application lifecycle. Collaborate with the Lead Developer, Delivery Manager, and Product Owner to design service improvements and new feature additions. Key Essentials: 3+ years of experience in a senior … software development role at the enterprise level with a proven track record of successful project delivery. Experience mentoring junior developers and being an active member of an agile and self-improving team. Strong diagnostic skills and experience providing levels of support when issues arise. Extensive experience ( 5+ years ) with More ❯

Job Title: Senior .NET Developer (12-Month Contract) Location: 100% Remote Inside IR35 We are looking for an experienced and talented Senior .NET Developer to join our dynamic development team on a 12-month contract with the potential for extension. As a Senior .NET Developer, you will … level objectives are met. Maintain a strong focus on quality, reusability, clean architectures, security, and resilience across the full application lifecycle. Collaborate with the Lead Developer, Delivery Manager, and Product Owner to design service improvements and new feature additions. Key Essentials: 3+ years of experience in a senior … software development role at the enterprise level with a proven track record of successful project delivery. Experience mentoring junior developers and being an active member of an agile and self-improving team. Strong diagnostic skills and experience providing levels of support when issues arise. Extensive experience ( 5+ years ) with More ❯

Job Title: Senior .NET Developer (12-Month Contract) Location: 100% Remote Inside IR35 We are looking for an experienced and talented Senior .NET Developer to join our dynamic development team on a 12-month contract with the potential for extension. As a Senior .NET Developer, you will … level objectives are met. Maintain a strong focus on quality, reusability, clean architectures, security, and resilience across the full application lifecycle. Collaborate with the Lead Developer, Delivery Manager, and Product Owner to design service improvements and new feature additions. Key Essentials: 3+ years of experience in a senior … software development role at the enterprise level with a proven track record of successful project delivery. Experience mentoring junior developers and being an active member of an agile and self-improving team. Strong diagnostic skills and experience providing levels of support when issues arise. Extensive experience ( 5+ years ) with More ❯

Job Title: Senior .NET Developer (12-Month Contract) Location: 100% Remote Inside IR35 We are looking for an experienced and talented Senior .NET Developer to join our dynamic development team on a 12-month contract with the potential for extension. As a Senior .NET Developer, you will … level objectives are met. Maintain a strong focus on quality, reusability, clean architectures, security, and resilience across the full application lifecycle. Collaborate with the Lead Developer, Delivery Manager, and Product Owner to design service improvements and new feature additions. Key Essentials: 3+ years of experience in a senior … software development role at the enterprise level with a proven track record of successful project delivery. Experience mentoring junior developers and being an active member of an agile and self-improving team. Strong diagnostic skills and experience providing levels of support when issues arise. Extensive experience ( 5+ years ) with More ❯

Job Title: Senior .NET Developer (12-Month Contract) Location: 100% Remote Inside IR35 We are looking for an experienced and talented Senior .NET Developer to join our dynamic development team on a 12-month contract with the potential for extension. As a Senior .NET Developer, you will … level objectives are met. Maintain a strong focus on quality, reusability, clean architectures, security, and resilience across the full application lifecycle. Collaborate with the Lead Developer, Delivery Manager, and Product Owner to design service improvements and new feature additions. Key Essentials: 3+ years of experience in a senior … software development role at the enterprise level with a proven track record of successful project delivery. Experience mentoring junior developers and being an active member of an agile and self-improving team. Strong diagnostic skills and experience providing levels of support when issues arise. Extensive experience ( 5+ years ) with More ❯

Job Title: Senior .NET Developer (12-Month Contract) Location: 100% Remote Inside IR35 We are looking for an experienced and talented Senior .NET Developer to join our dynamic development team on a 12-month contract with the potential for extension. As a Senior .NET Developer, you will … level objectives are met. Maintain a strong focus on quality, reusability, clean architectures, security, and resilience across the full application lifecycle. Collaborate with the Lead Developer, Delivery Manager, and Product Owner to design service improvements and new feature additions. Key Essentials: 3+ years of experience in a senior … software development role at the enterprise level with a proven track record of successful project delivery. Experience mentoring junior developers and being an active member of an agile and self-improving team. Strong diagnostic skills and experience providing levels of support when issues arise. Extensive experience ( 5+ years ) with More ❯

Job Title: Senior .NET Developer (12-Month Contract) Location: 100% Remote Inside IR35 We are looking for an experienced and talented Senior .NET Developer to join our dynamic development team on a 12-month contract with the potential for extension. As a Senior .NET Developer, you will … level objectives are met. Maintain a strong focus on quality, reusability, clean architectures, security, and resilience across the full application lifecycle. Collaborate with the Lead Developer, Delivery Manager, and Product Owner to design service improvements and new feature additions. Key Essentials: 3+ years of experience in a senior … software development role at the enterprise level with a proven track record of successful project delivery. Experience mentoring junior developers and being an active member of an agile and self-improving team. Strong diagnostic skills and experience providing levels of support when issues arise. Extensive experience ( 5+ years ) with More ❯

Job Title: Senior .NET Developer (12-Month Contract) Location: 100% Remote Inside IR35 We are looking for an experienced and talented Senior .NET Developer to join our dynamic development team on a 12-month contract with the potential for extension. As a Senior .NET Developer, you will … level objectives are met. Maintain a strong focus on quality, reusability, clean architectures, security, and resilience across the full application lifecycle. Collaborate with the Lead Developer, Delivery Manager, and Product Owner to design service improvements and new feature additions. Key Essentials: 3+ years of experience in a senior … software development role at the enterprise level with a proven track record of successful project delivery. Experience mentoring junior developers and being an active member of an agile and self-improving team. Strong diagnostic skills and experience providing levels of support when issues arise. Extensive experience ( 5+ years ) with More ❯

Job Title: Senior .NET Developer (12-Month Contract) Location: 100% Remote Inside IR35 We are looking for an experienced and talented Senior .NET Developer to join our dynamic development team on a 12-month contract with the potential for extension. As a Senior .NET Developer, you will … level objectives are met. Maintain a strong focus on quality, reusability, clean architectures, security, and resilience across the full application lifecycle. Collaborate with the Lead Developer, Delivery Manager, and Product Owner to design service improvements and new feature additions. Key Essentials: 3+ years of experience in a senior … software development role at the enterprise level with a proven track record of successful project delivery. Experience mentoring junior developers and being an active member of an agile and self-improving team. Strong diagnostic skills and experience providing levels of support when issues arise. Extensive experience ( 5+ years ) with More ❯

Job Title: Senior .NET Developer (12-Month Contract) Location: 100% Remote Inside IR35 We are looking for an experienced and talented Senior .NET Developer to join our dynamic development team on a 12-month contract with the potential for extension. As a Senior .NET Developer, you will … level objectives are met. Maintain a strong focus on quality, reusability, clean architectures, security, and resilience across the full application lifecycle. Collaborate with the Lead Developer, Delivery Manager, and Product Owner to design service improvements and new feature additions. Key Essentials: 3+ years of experience in a senior … software development role at the enterprise level with a proven track record of successful project delivery. Experience mentoring junior developers and being an active member of an agile and self-improving team. Strong diagnostic skills and experience providing levels of support when issues arise. Extensive experience ( 5+ years ) with More ❯

Job Title: Senior .NET Developer (12-Month Contract) Location: 100% Remote Inside IR35 We are looking for an experienced and talented Senior .NET Developer to join our dynamic development team on a 12-month contract with the potential for extension. As a Senior .NET Developer, you will … level objectives are met. Maintain a strong focus on quality, reusability, clean architectures, security, and resilience across the full application lifecycle. Collaborate with the Lead Developer, Delivery Manager, and Product Owner to design service improvements and new feature additions. Key Essentials: 3+ years of experience in a senior … software development role at the enterprise level with a proven track record of successful project delivery. Experience mentoring junior developers and being an active member of an agile and self-improving team. Strong diagnostic skills and experience providing levels of support when issues arise. Extensive experience ( 5+ years ) with More ❯

Job Title: Senior .NET Developer (12-Month Contract) Location: 100% Remote Inside IR35 We are looking for an experienced and talented Senior .NET Developer to join our dynamic development team on a 12-month contract with the potential for extension. As a Senior .NET Developer, you will … level objectives are met. Maintain a strong focus on quality, reusability, clean architectures, security, and resilience across the full application lifecycle. Collaborate with the Lead Developer, Delivery Manager, and Product Owner to design service improvements and new feature additions. Key Essentials: 3+ years of experience in a senior … software development role at the enterprise level with a proven track record of successful project delivery. Experience mentoring junior developers and being an active member of an agile and self-improving team. Strong diagnostic skills and experience providing levels of support when issues arise. Extensive experience ( 5+ years ) with More ❯

Job Title: Senior .NET Developer (12-Month Contract) Location: 100% Remote Inside IR35 We are looking for an experienced and talented Senior .NET Developer to join our dynamic development team on a 12-month contract with the potential for extension. As a Senior .NET Developer, you will … level objectives are met. Maintain a strong focus on quality, reusability, clean architectures, security, and resilience across the full application lifecycle. Collaborate with the Lead Developer, Delivery Manager, and Product Owner to design service improvements and new feature additions. Key Essentials: 3+ years of experience in a senior … software development role at the enterprise level with a proven track record of successful project delivery. Experience mentoring junior developers and being an active member of an agile and self-improving team. Strong diagnostic skills and experience providing levels of support when issues arise. Extensive experience ( 5+ years ) with More ❯

Job Title: Senior .NET Developer (12-Month Contract) Location: 100% Remote Inside IR35 We are looking for an experienced and talented Senior .NET Developer to join our dynamic development team on a 12-month contract with the potential for extension. As a Senior .NET Developer, you will … level objectives are met. Maintain a strong focus on quality, reusability, clean architectures, security, and resilience across the full application lifecycle. Collaborate with the Lead Developer, Delivery Manager, and Product Owner to design service improvements and new feature additions. Key Essentials: 3+ years of experience in a senior … software development role at the enterprise level with a proven track record of successful project delivery. Experience mentoring junior developers and being an active member of an agile and self-improving team. Strong diagnostic skills and experience providing levels of support when issues arise. Extensive experience ( 5+ years ) with More ❯

Job Title: Senior .NET Developer (12-Month Contract) Location: 100% Remote Inside IR35 We are looking for an experienced and talented Senior .NET Developer to join our dynamic development team on a 12-month contract with the potential for extension. As a Senior .NET Developer, you will … level objectives are met. Maintain a strong focus on quality, reusability, clean architectures, security, and resilience across the full application lifecycle. Collaborate with the Lead Developer, Delivery Manager, and Product Owner to design service improvements and new feature additions. Key Essentials: 3+ years of experience in a senior … software development role at the enterprise level with a proven track record of successful project delivery. Experience mentoring junior developers and being an active member of an agile and self-improving team. Strong diagnostic skills and experience providing levels of support when issues arise. Extensive experience ( 5+ years ) with More ❯

Job Title: Senior .NET Developer (12-Month Contract) Location: 100% Remote Inside IR35 We are looking for an experienced and talented Senior .NET Developer to join our dynamic development team on a 12-month contract with the potential for extension. As a Senior .NET Developer, you will … level objectives are met. Maintain a strong focus on quality, reusability, clean architectures, security, and resilience across the full application lifecycle. Collaborate with the Lead Developer, Delivery Manager, and Product Owner to design service improvements and new feature additions. Key Essentials: 3+ years of experience in a senior … software development role at the enterprise level with a proven track record of successful project delivery. Experience mentoring junior developers and being an active member of an agile and self-improving team. Strong diagnostic skills and experience providing levels of support when issues arise. Extensive experience ( 5+ years ) with More ❯

Job Title: Senior .NET Developer (12-Month Contract) Location: 100% Remote Inside IR35 We are looking for an experienced and talented Senior .NET Developer to join our dynamic development team on a 12-month contract with the potential for extension. As a Senior .NET Developer, you will … level objectives are met. Maintain a strong focus on quality, reusability, clean architectures, security, and resilience across the full application lifecycle. Collaborate with the Lead Developer, Delivery Manager, and Product Owner to design service improvements and new feature additions. Key Essentials: 3+ years of experience in a senior … software development role at the enterprise level with a proven track record of successful project delivery. Experience mentoring junior developers and being an active member of an agile and self-improving team. Strong diagnostic skills and experience providing levels of support when issues arise. Extensive experience ( 5+ years ) with More ❯

Job Title: Senior .NET Developer (12-Month Contract) Location: 100% Remote Inside IR35 We are looking for an experienced and talented Senior .NET Developer to join our dynamic development team on a 12-month contract with the potential for extension. As a Senior .NET Developer, you will … level objectives are met. Maintain a strong focus on quality, reusability, clean architectures, security, and resilience across the full application lifecycle. Collaborate with the Lead Developer, Delivery Manager, and Product Owner to design service improvements and new feature additions. Key Essentials: 3+ years of experience in a senior … software development role at the enterprise level with a proven track record of successful project delivery. Experience mentoring junior developers and being an active member of an agile and self-improving team. Strong diagnostic skills and experience providing levels of support when issues arise. Extensive experience ( 5+ years ) with More ❯

integral part of an agile team that's constantly pushing the envelope to enhance, build, and deliver top-notch technology products. As a Senior Lead Software Engineer at JPMorgan Chase within the Equities Derivatives and Risk Technology team, you are an essential member of an agile team dedicated … technical expertise and problem-solving methodologies to a diverse range of challenges spanning multiple technologies and applications. Job responsibilities Designs, develops, and troubleshoots innovative software solutions, thinking beyond routine approaches to resolve technical challenges. Develops secure, high-quality production code, reviews, and debugs code written by team members. Identifies … opportunities to automate or eliminate recurring issues to enhance operational stability of software applications and systems. Leads evaluation sessions with external vendors, startups, and internal teams to assess architectural designs, technical credentials, and their applicability within existing systems. Champions communities of practice across Software Engineering to promote awareness More ❯