software engineer

Deerfoot Recruitment Solutions Ltd

Software Engineer - Remote - 6 months - up to £500 per day (Outside IR35) Our client is looking for a Software Engineer to transform commercial real estate with an AI-powered platform that automates workflows, integrates seamlessly with Microsoft 365, and delivers smarter, scalable processes. What You'll Do: <ul> <li>Develop back-end services and APIs powering AI automation tools.</li><li>Build integrations with Excel, Word, and PowerPoint.</li><li>Collaborate with the founding team to streamline data processing and reporting.</li><li>Mentor engineers and help shape the platform's architecture.</li></ul> What We're Looking For: <ul> <li>4+ years in software engineering (start-up or SaaS preferred).</li><li>Strong Python & C# skills; API and cloud architecture experience (Azure a plus).</li><li>Experience with Excel add-ins or Office JS APIs is desirable.</li><li>Familiarity with AI frameworks (vectorization, RAG) is a bonus.</li><li>Proactive, independent, and collaborative mindset.</li></ul> Contract Details: <ul> <li>6 months, fully remote</li><li>Up to £500 per day</li><li>Outside IR35</li></ul> Apply now and help us redefine commercial real estate workflows! Deerfoot Recruitment Solutions Ltd is a leading independent tech recruitment consultancy in the UK. For every CV sent to clients, we donate £1 to The Born Free Foundation. We are a Climate Action Workforce in partnership with Ecologi. If this role isn't right for you, explore our referral reward program with payouts at interview and placement milestones. Visit our website for details. Deerfoot Recruitment Solutions Ltd acts as an Employment Business in relation to this vacancy.

Software Engineer

VIA MATCH LIMITED

About the Position:Join our client as a Software Engineer and play a pivotal role in transforming the financial landscape through innovative technology. You will tackle exciting challenges by contributing to the Canton Network, a blockchain designed for institutional finance, and help shape the future of digital infrastructure. This is an opportunity to grow your skills in a collaborative environment while making a significant impact on global finance.Start Date: FlexibleWork Arrangement: Hybrid - minimum 2 days per week in the office.What You'll Do:<ul><li>Contribute to Digital Asset's Scala, TypeScript, and Haskell code bases, enhancing our technology stack.</li><li>Lead the planning, analysis, and design of team deliveries, ensuring high-quality outcomes.</li><li>Develop, test, and operate large-scale, distributed production systems that meet mission-critical requirements.</li><li>Collaborate with team members through code reviews and constructive feedback, fostering a culture of continuous improvement.</li><li>Engage in innovative projects that bridge traditional and crypto-capital markets, driving the next wave of financial transformation.</li></ul>What You Bring:<ul><li>3-5 years of experience as a hands-on software engineer, with a proven track record in developing and deploying production systems.</li><li>Strong proficiency in Scala, TypeScript, and Haskell, with experience in technical documentation.</li><li>Excellent oral and written communication skills, essential for effective collaboration and documentation.</li><li>A passion for embracing diverse perspectives and a collaborative approach to problem-solving.</li></ul>What Would Make You Stand Out:<ul><li>Experience with Daml and familiarity with blockchain technologies.</li><li>Demonstrated ability to mentor junior engineers and lead technical discussions.</li><li>Knowledge of financial markets and the regulatory landscape impacting digital assets.</li></ul>Experience Required: 3-5 years of relevant experience in software engineering.Education: Master's degree or PhD in computer science or a related discipline; or equivalent demonstrable experience.What We Offer:<ul><li>Comprehensive benefits package including medical, dental, and vision coverage.</li><li>Opportunities for professional development and continuous learning.</li><li>A dynamic company culture that values diverse perspectives and teamwork.</li><li>Flexible work arrangements to support work-life balance.</li></ul>

Holland & Barrett International Limited

About the role: At Holland & Barrett, cybersecurity is at the heart of our digital transformation. As we continue to grow and innovate, securing our applications and protecting customer data is a top priority. We are looking for a Senior Application Security Engineer to lead our efforts in strengthening application security, mitigating risks, and ensuring best-in-class security practices. If you are passionate about cybersecurity and eager to make a real impact, we want you on our team! Key Responsibilities: <ul> <li>Security Strategy: Help define and execute the Holland & Barrett application security strategy. Collaborate with both tech and non-tech teams to integrate security principles into the early stages of product design and development.</li><li>Secure SLDC: Establish a secure Software Development Lifecycle (SDLC) that enables development teams to deliver high-quality applications quickly while implementing essential controls for software integrity, authenticity, and third-party library management.</li><li>Risk Assessments: Conduct risk assessments, threat modeling, and architecture reviews alongside development teams, producing artifacts to drive the implementation of effective security controls.</li><li>Standards Development: Own the creation and maintenance of tailored security standards and guidelines, developing reusable resources for various development teams.</li><li>Team Support: Provide guidance and support to development teams on secure software production practices and flaw mitigation strategies.</li></ul> Key requirements: Essential: <ul> <li>5+ years of experience in application security, with at least 3+ years in software development.</li><li>Strong understanding of application security concepts, including secure coding practices, threat modeling, vulnerability management, and access control mechanisms.</li><li>Experience with AWS, Kubernetes, Service Mesh, and API Security (including authentication and authorization).</li><li>Proficiency in programming languages such as Python, Java, JavaScript, GoLang, and Rust.</li><li>Familiarity with Agile methodologies like SCRUM, along with proven project management skills to oversee multiple security projects simultaneously.</li></ul> Desired: <ul> <li>Independent, proactive, and detail-oriented, with a commitment to maintaining high security standards.</li><li>Strong communication and interpersonal skills, facilitating effective collaboration with both technical and non-technical teams.</li></ul> What we offer: What we offer: Wellbeing & Lifestyle Benefits <ul> <li>Health Cash Plan </li><li>Life Assurance</li><li>Incentive Scheme - Based on company & personal performance</li><li>Virtual GP </li><li>Private Medical care</li><li>FREE at-home blood test kit </li><li>Holiday Purchase option </li><li>Pension Contribution scheme</li><li>Access to 'Wellhub' with gyms, studios and wellbeing apps </li></ul> Discounts & Savings <ul> <li>25% Colleague Discount with FREE Next Day Delivery </li><li>Exclusive Discounts from a wide range of partners </li><li>£/€50 Annual Product Allowance to spend in store </li></ul> Learning & Development <ul> <li>Access to a variety of learning opportunities, including Level 2-5 Apprenticeships, Workshops and our Digital Learning Library </li><li>AND MORE! </li></ul> Our culture respects equality, values diversity and encourages individuality - because this allows our people to unlock their potential and be their best. We welcome everyone who shares our EPIC values regardless of background, culture, disability, ethnicity, gender identity or sexual orientation Holland & Barrett does not accept unsolicited resumes from search firms/recruiters. Please do not forward resumes to our job alias, employees, or any other company location. Holland & Barrett is not and will not be responsible for any fees if a candidate submitted by a search firm/recruiter unless otherwise agreed with respect to specific open position(s).

Senior Application Security Engineer

Haymarket Media Group

reen Solutions is an innovative software company. Our product is the Green Solutions Cloud software. This allows our customers to centrally consolidate all relevant online and offline channel from webshops , websites , newsletters , dropshipping , CRM , SEO , SEA , and social media to signage , apps , and digital customer loyalty . Our cloud software is simple, intuitive, industry-specific, and practical.

Online Marketing Executive

About the role: Join Our Team at Holland & Barrett! Are you passionate about cloud security and looking to make a significant impact? Holland & Barrett is seeking a Cloud Security Specialist to help us define and implement our cloud security strategy. If you're an experienced professional eager to work with cutting-edge technology and collaborate with diverse teams, we want to hear from you! Key Responsibilities: <ul> <li>Security Strategy: Help define and execute the Holland & Barrett cloud security strategy, partnering with platform and Site Reliability Engineering (SRE) teams to build robust infrastructure that supports our business.</li><li>Perimeter Security: Establish platform perimeter security by implementing controls at ingress and egress points, including creating and maintaining an edge network with a Web Application Firewall (WAF), Distributed Denial of Service (DDoS) protection, and a Content Delivery Network (CDN).</li><li>Access Control: Establish an access control baseline focusing on the principle of least privilege and segregation of duties. Monitor and enforce these controls once roles and permissions are set.</li><li>Security Controls: Design, implement, and maintain security controls to prevent, detect, and remediate insecure configurations, including defining and disseminating secure AWS/infrastructure baselines.</li><li>Standards Development: Own the development and maintenance of tailored security standards and guidelines, creating reusable resources for various development teams.</li><li>AWS Security Services: Establish and manage AWS security services, including certificate authorities, encryption services, insecure configuration scanners, and security control canaries.</li></ul> Key requirements: Essential: <ul> <li>5+ years of experience in cloud security, particularly with AWS, and at least 2+ years in software development.</li><li>Strong understanding of cloud and application security concepts, including secure coding practices, threat modeling, vulnerability management, and access control mechanisms.</li><li>Experience with AWS, Kubernetes, Service Mesh, API gateways, and API Security (authentication and authorization).</li><li>Proficiency in programming languages such as Python, JavaScript, GoLang, Terraform, CloudFormation (AWS), and AWS CDK.</li><li>Familiarity with Agile methodologies like SCRUM, along with proven project management skills to manage multiple security projects effectively.</li></ul> Desired: <ul> <li>Ability to work independently, take initiative, and maintain a keen attention to detail, ensuring high security standards.</li><li>Strong communication and interpersonal skills, facilitating effective collaboration with both technical and non-technical teams.</li></ul> Why Holland & Barrett? At Holland & Barrett, we are dedicated to promoting health and well-being while ensuring the highest standards of cloud security. Join our team and be part of a company that values innovation and security. Ready to Make an Impact? If you're excited about cloud security and want to contribute to a secure future, apply now! We look forward to welcoming you to our team. We support flexibility and productivity of our employees by hybrid working arrangements. Although your role will be based in London (or Nuneaton, or Amsterdam) you will be required to travel only occasionally to our Hubs in Nuneaton or London or to any other location of H&B. What we offer: Benefits Wellbeing & Lifestyle Benefits <ul> <li>Health Cash Plan </li><li>Life Assurance </li><li>Incentive Scheme</li><li>Virtual GP </li><li>Private Medical</li><li>FREE at-home blood test kit </li><li>Holiday Purchase option </li><li>Pension Contribution </li><li>Access to 'Wellhub' with gyms, studios and wellbeing apps </li></ul> Discounts & Savings <ul> <li>25% Colleague Discount with FREE Next Day Delivery </li><li>Exclusive Discounts from a wide range of partners </li><li>£/€50 Annual Product Allowance to spend in store </li></ul> Learning & Development <ul> <li>Access to a variety of learning opportunities, including Level 2-5 Apprenticeships, Workshops and our Digital Learning Library </li><li>AND MORE! </li></ul> We're passionate about helping every colleague thrive across all dimensions of wellbeing, and we're committed to having a diverse and inclusive workplace. In line with our EPIC values (Expertise, Pioneering, Inclusive, Caring), we embrace and actively celebrate all our colleagues' unique and varying experiences, backgrounds, identities and cultures - I am me, we are H&B. Holland & Barrett does not accept unsolicited resumes from search firms/recruiters. Please do not forward resumes to our job alias, employees, or any other company location. Holland & Barrett is not and will not be responsible for any fees if a candidate submitted by a search firm/recruiter unless otherwise agreed with respect to specific open position(s).

Senior Cloud Security Engineer

TXP Technology x People

Senior Software Developer - Python 12-Month Contract Inside IR35 Role Details <ul> <li> Location: London or Manchester (2 days/week onsite + monthly team rotation) </li><li> Duration: 12 months </li><li> Clearance: BPSS to start; active SC required due to timsecale of the project </li><li> Team: 10 direct reports, part of a 60+ programme </li><li> Experience: 4+ years </li></ul> Essential Skills Technical: <ul> <li> Strong Python development (primary focus), Ruby experience desirable </li><li> Experience across multiple services, particularly data services </li><li> Docker, Kubernetes, Git/version control </li><li> API development and integration </li><li> Agile working practices and adherence to technical standards </li></ul> Approach: <ul> <li> Pride in writing high-quality, well-documented code </li><li> Ownership of the full development process </li><li> Collaborative working with user-centered design (UCD) teams </li><li> Thrives in small, agile, multi-disciplinary teams </li></ul> Key Responsibilities: <ul> <li> Develop Python-based applications and data services </li><li> Build and maintain APIs and open data platforms </li><li> Ensure code is of high quality and well-documented </li><li> Work closely with UCD teams and technical experts in an agile environment </li></ul> What We're Looking For: <ul> <li> Senior Python developer with strong focus on code quality </li><li> Experience working with data services </li><li> Comfortable working in small, agile teams and collaborating with UCD teams </li></ul>

Senior Software Developer - Python

Tiger Recruitment

IT Support Assistant (On-Site, Central London)Hourly rate: £13.85 - £15.00 per hour (depending on experience)Location: Central London (5 days a week, on-site)3 month temp contract About the Company Join a leading technology-driven logistics company transforming how people send, receive, and return parcels across the UK. We're part of a fast-growing European network focused on creating a greener, more convenient, and innovative delivery experience.Our London office is a dynamic environment where technology, logistics, and sustainability meet - and we're looking for an enthusiastic IT Support Assistant to help keep everything running smoothly.Key ResponsibilitiesTech Support <ul> <li>Act as the first point of contact for technical issues (laptops, Wi-Fi, printers, phones, etc.).</li><li>Troubleshoot basic hardware and software problems.</li><li>Install software updates and assist with new device setups (Windows/macOS).</li><li>Ensure meeting rooms and video conferencing systems are functioning smoothly.</li></ul> User Support & Onboarding <ul> <li>Prepare IT equipment for new starters and support their onboarding.</li><li>Assist colleagues with issues like password resets, VPN access, and multi-factor authentication (MFA).</li><li>Serve as the first point of contact for support incidents.</li></ul> Ticketing & Documentation <ul> <li>Manage and track IT support tickets through the internal system.</li><li>Document fixes and create clear, easy-to-follow guides for recurring issues.</li><li>Identify and report recurring technical problems, suggesting improvements where possible.</li></ul> Qualifications & Skills <ul> <li>Basic understanding of Windows 10/11, macOS, and Microsoft 365 applications.</li><li>Familiarity with networking fundamentals (Wi-Fi, VPN).</li><li>Previous experience using remote support tools (e.g., TeamViewer).</li><li>Strong communication skills and a proactive, problem-solving mindset.</li></ul> Why Join You'll be part of a fast-paced, collaborative team that's helping shape the future of convenient, sustainable delivery solutions. If you're passionate about technology and love solving problems, this role offers great hands-on experience in a growing, tech-forward company. JU 132081Tiger is B Corp Certified. We are part of a global movement of businesses committed to improving social and environmental conditions around the world.

Junior Tech Support Engineer

Explore 43+ Software engineer in London this December. Find roles across top companies and apply now to boost your career.

43 software engineer jobs IN London

Software Engineer

Software Engineer

Senior Application Security Engineer

Online Marketing Executive

Senior Cloud Security Engineer

Senior Software Developer - Python

Junior Tech Support Engineer