17 senior software engineer jobs found in Hybrid, greater london

Title: Senior Growth Engineer - Contractor 👫 Department: Engineering 🎁 Benefits & Culture: Lottie’s careers page here , Lottie’s tech careers page here 🎥 Meet our CTPO: Solving hard problems in care 💗 Mission: Elevate later life for everybody and build the care sector of the future. 💻 Office Policy: Fully remote, you’ll need to be in Europe. Or hybrid if preferred. 🌍 HQ: London Bridge, London, UK   🔍 The Opportunity: Lottie's marketplace connects millions of families with the right care at the right time. We've built something real - now we need to grow it faster, smarter, and with more precision than a traditional engineering team can. We're looking for a Senior Growth Engineer to join a small, focused Marketplace team and own the full experiment loop - from hypothesis to code to result. You'll work closely with a PM and designer to run high-velocity tests, feed signals back to Google to...

Location: London 1-2 days a week. Department: Engineering Employment Type: Contract Contract Length: 6 months (with potential for extension) About YLD: Our goal is to help our clients keep moving forward. We work with them to build the skills and capabilities they need to stay ahead of the competition, and we know our success only happens when they succeed. We’re a team of curious, talented people, and we’re committed to making YLD a place where great people want to work, grow, and stay. We’re a remote-first consultancy specialising in software engineering, product design, and data. Our teams are based across London, Lisbon, and Porto, and we create digital solutions that continue to deliver value long after our work is done. About the role: As a Senior Software Engineer at YLD, you’ll be part of a client team building innovative products. We’re looking for someone curious, passionate, driven, and enthusiastic. You should be...

Role description Principal Data Engineer Nottingham/ London (Hybrid) Contract Inside IR35/ Permanent     About the Role As a Principal Data Engineer, you will combine deep technical expertise with engineering leadership to drive the design, development and evolution of our cloud-scale data platform. You will provide technical leadership across distributed data processing, data products, streaming architectures and data platform capabilities, while remaining hands-on with coding, design and engineering best practices. You will play a key role in shaping engineering standards, mentoring teams, influencing technical direction and delivering robust, scalable data solutions that enable our Engineers, Data Scientists, Analysts and Governance teams to unlock business value.     What You'll Do Lead the design, development and continuous evolution of cloud-scale data platforms and data products across batch and...

Senior Front End Engineer (Contract) – USA Tech Team     Contract Details Contract Length: Initial 12-month contract IR35 Status: Outside IR35 Location: Hybrid / Remote (UK) Day Rate: Competitive Start Date: ASAP     This is an opportunity to join Nando's USA Technology team on a long-term contract, helping build and scale the digital products that support our expansion across the USA. You'll work with a modern technology stack, solving complex engineering challenges and delivering high-quality customer-facing applications within a collaborative, agile environment.     Overall Ambition Help deliver exceptional digital experiences for Nando's customers across the USA by building modern, scalable and high-performing frontend applications using a contemporary technology stack.   You'll join a fast-moving engineering team delivering products that directly impact...

Must have skills: Demonstrable experience with Solidity. Strong understanding of blockchain security practices and potential vulnerabilities. Proficiency in Hardhat and Foundry. Experience with Solidity security testing tools like Slither, Mythril, Echidna Practical experience with scripting languages like Javascript or Typescript. Ability to craft unit, integration, fork, and invariant tests, ensuring code longevity. Demonstrable aptitude for best development practices, data structures, algorithms, and methodologies. Bachelor's degree in Computer Science, Engineering, or a related STEM discipline. Excellent debugging and troubleshooting skills. Strong written and verbal communication skills. Self-motivated with the ability to work in a fast-paced, evolving environment. Proficient communication skills in English. Development background in sectors such as banking, finance, or trading, paired with a comprehensive grasp of financial...

Role description Principal Data Engineer Nottingham/ London (Hybrid) Contract Inside IR35/ Permanent     About the Role As a Principal Data Engineer, you will combine deep technical expertise with engineering leadership to drive the design, development and evolution of our cloud-scale data platform. You will provide technical leadership across distributed data processing, data products, streaming architectures and data platform capabilities, while remaining hands-on with coding, design and engineering best practices. You will play a key role in shaping engineering standards, mentoring teams, influencing technical direction and delivering robust, scalable data solutions that enable our Engineers, Data Scientists, Analysts and Governance teams to unlock business value.     What You'll Do Lead the design, development and continuous evolution of cloud-scale data platforms and data products across batch and...

Senior Red Hat Systems Engineer / Linux Engineering Lead Canary Wharf, UK Hybrid (2 days a week) Long Term Contract (Inside IR35)   Seasoned Senior Red Hat Systems Engineer with over 10 years of deep expertise in Red Hat Enterprise Linux (RHEL) , specializing in large-scale infrastructure design, automation, performance optimization, and enterprise platform engineering across on-prem (VMware) and cloud (AWS) environments. Recognized for combining advanced Linux engineering skills with strong leadership , driving operational excellence, mentoring teams, and delivering resilient, secure, and highly automated infrastructure solutions aligned with business and regulatory requirements.   Professional Summary Expert in end-to-end Linux lifecycle management , including patching, OS upgrades, image creation, and large-scale deployments. Extensive experience with Red Hat Satellite , Ansible Automation Platform , and enterprise...

Must have skills: Demonstrable experience with Solidity. Strong understanding of blockchain security practices and potential vulnerabilities. Proficiency in Hardhat and Foundry. Experience with Solidity security testing tools like Slither, Mythril, Echidna Practical experience with scripting languages like Javascript or Typescript. Ability to craft unit, integration, fork, and invariant tests, ensuring code longevity. Demonstrable aptitude for best development practices, data structures, algorithms, and methodologies. Bachelor's degree in Computer Science, Engineering, or a related STEM discipline. Excellent debugging and troubleshooting skills. Strong written and verbal communication skills. Self-motivated with the ability to work in a fast-paced, evolving environment. Proficient communication skills in English. Development background in sectors such as banking, finance, or trading, paired with a comprehensive grasp of financial...

Principal Data Engineer Nottingham/ London (Hybrid) Contract Inside IR35/ Permanent     About the Role As a Principal Data Engineer, you will combine deep technical expertise with engineering leadership to drive the design, development and evolution of our cloud-scale data platform. You will provide technical leadership across distributed data processing, data products, streaming architectures and data platform capabilities, while remaining hands-on with coding, design and engineering best practices. You will play a key role in shaping engineering standards, mentoring teams, influencing technical direction and delivering robust, scalable data solutions that enable our Engineers, Data Scientists, Analysts and Governance teams to unlock business value.     What You'll Do Lead the design, development and continuous evolution of cloud-scale data platforms and data products across batch and streaming workloads Act as...

Senior Red Hat Systems Engineer / Linux Engineering Lead Canary Wharf, UK Hybrid (2 days a week) Long Term Contract (Inside IR35)   Seasoned Senior Red Hat Systems Engineer with over 10 years of deep expertise in Red Hat Enterprise Linux (RHEL) , specializing in large-scale infrastructure design, automation, performance optimization, and enterprise platform engineering across on-prem (VMware) and cloud (AWS) environments. Recognized for combining advanced Linux engineering skills with strong leadership , driving operational excellence, mentoring teams, and delivering resilient, secure, and highly automated infrastructure solutions aligned with business and regulatory requirements.   Professional Summary Expert in end-to-end Linux lifecycle management , including patching, OS upgrades, image creation, and large-scale deployments. Extensive experience with Red Hat Satellite , Ansible Automation Platform , and enterprise...

This role will be responsible for supporting, implementing, configuring, and optimising business-critical systems across a range of transformation initiatives. The successful candidate will be responsible for system functionality, working closely with business stakeholders, third-party vendors, and internal teams to ensure systems are operating effectively and delivering maximum value. The role will also involve providing training, guidance, and support to users and colleagues on system capabilities and best practices.   As a Systems Engineer, your main responsibilities will be to: Lead the implementation, configuration, and ongoing support of enterprise systems and applications. Perform system upgrades, updates, patching activities, and configuration changes to ensure platforms remain secure and optimised. Act as the technical subject matter expert for assigned systems, providing guidance and best practice recommendations to stakeholders....

Joining a cross functional Delivery team (software engineers, delivery, QA, UX, design) Client is in financial services domain ILarge platform and product build inc. customer journeys. Ideal start date 23rd July 2026 6 months contract - likely to extend £day rate / outside IR35 2 days / week in person working Immediate interviews.     Red Badger Founded in 2010 by Stuart, Cain and David, we help large organisations improve their speed to market whilst focusing on delivering value to their users and customers. We work with our clients to understand their problems and validate ideas in order to deliver improved process efficiencies, strategic enhancements and new digital products and services (or make significant improvements to existing ones). The best bit about Red Badger is, of course, the team. We've been around for 10+ years now and we are 100 strong. We are really proud of our people; we support and learn a lot from...

About Quantum Base Quantum Base has invented the Quantum-ID (Q-ID), a world leading technology solution that stops counterfeits. Our smartphone app (and SDK) verifies the authenticity of Q-IDs in just a few seconds using a very simple scan. We are the only smartphone authentication solution that is fundamentally 100% secure - and we achieve this using quantum physics. We are starting with security printing and brand protection, but the use cases are vast. Quantum Base has 41 patents and was founded by Professor Robert Young at Lancaster University. Our mission is to create a new global standard. About the Role We are looking for a contract Senior Product Designer to level up the user experience and user interface of our mobile app. Our app is deceptively simple, but the interface between digital and the physical isn’t straightforward. Our perfect candidate will know this, perhaps from working with scanning apps, augmented reality, KYC or identity...

Joining a cross functional Delivery team (software engineers, delivery, QA, UX, design) Client is in financial services domain ILarge platform and product build inc. customer journeys. Ideal start date 23rd July 2026 6 months contract - likely to extend £day rate / outside IR35 2 days / week in person working Immediate interviews.     Red Badger Founded in 2010 by Stuart, Cain and David, we help large organisations improve their speed to market whilst focusing on delivering value to their users and customers. We work with our clients to understand their problems and validate ideas in order to deliver improved process efficiencies, strategic enhancements and new digital products and services (or make significant improvements to existing ones). The best bit about Red Badger is, of course, the team. We've been around for 10+ years now and we are 100 strong. We are really proud of our people; we support and learn a lot from...

Role description Python Engineer (BackEnd) Location: London or Nottingham (Hybrid) Travel: Candidates based in London should be willing to travel occasionally to the Nottingham office for planning, collaboration, and project meetings. Type : Contract Inside IR35 (6 months) or Fixed Term Employment Contract   At UST, we're helping transform the healthcare experience through innovative digital platforms and modern cloud-native technologies. We're looking for an experienced Python Engineer (BackEnd) to join our growing engineering team and play a key role in evolving our platform architecture towards a scalable microservices ecosystem. This is an exciting opportunity to work on business-critical healthcare solutions, collaborate with talented engineers, and contribute to technology that improves outcomes for millions of users.   What You'll Do: As part of our backend engineering team, you will: Design, develop, and...

Joining a cross functional Delivery team (software engineers, delivery, QA, UX, design) Client is in financial services domain ILarge platform and product build inc. customer journeys. Ideal start date 23rd July 2026 6 months contract - likely to extend £day rate / outside IR35 2 days / week in person working Immediate interviews.     Red Badger Founded in 2010 by Stuart, Cain and David, we help large organisations improve their speed to market whilst focusing on delivering value to their users and customers. We work with our clients to understand their problems and validate ideas in order to deliver improved process efficiencies, strategic enhancements and new digital products and services (or make significant improvements to existing ones). The best bit about Red Badger is, of course, the team. We've been around for 10+ years now and we are 100 strong. We are really proud of our people; we support and learn a lot from...

Product Lead Contract role - 3 -5 days per week, 6 months initially Location - Hybrid, Central London office Day rate - Up to £500 per day, depending on experience Reports to - Chief Product Officer, Wonderbly Group   The Opportunity Wonderbly Group has spent years perfecting the art of personalised books, stories that put real people at the heart of the narrative. Now we 're launching a new venture in an adjacent space that moves us deeply: helping people capture the memories, voices and stories of the people they love, and turn them into beautiful, lasting books and journals. The bones of this business already exist. What we need is someone to help us reimagine it from the ground up: new technology, a new digital product, a transformed ecommerce experience and a fresh brand expression, while preserving the emotional heart of what makes this category so meaningful. We're looking for a builder, someone with a genuine passion for...