Senior Software Engineer jobs in Harrow

Senior Software Engineer - Cloud InfrastructureJoin ClickHouse, a recognized leader on the 2025 Forbes Cloud 100 list, building fast‐growing private cloud solutions. About ClickHouseClickHouse is on a mission to transform how companies use data. With 2,000+ customers and quadrupled ARR, we lead real‐time analytics, data warehousing, observability, and AI workloads. Our recent $350 M Series C...

Addooco is a managed IT, cloud, and communications solutions provider specializing in enterprise-grade services for businesses of all sizes. Established in 2008, the company operates across the United Kingdom region and beyond, focusing on proactive management and in-house developed solutions delivered through their own datacenter infrastructure. SummaryWe are seeking a highly skilled Senior...

OverviewJob title: Software Engineer, Cloud Infrastructure at Cosine Location: London; full in-office working as default Start date: ASAP Reports to: CTO Compensation: £60 - 90k + Equity Cosine at a glanceAt Cosine, we're building autonomous AI engineers that plan, write, and ship code inside real development workflows. Cosine is designed for on-premise and virtual private cloud (VPC)...

A tech-driven networking company in Harrow is seeking a Software Engineer to develop embedded and host software for managing high-speed networks. The candidate will work on software architecture, embedded software, and Linux driver development as well as with prototype hardware. The role is full-time and offers a hybrid working model. The ideal candidate should have hands-on experience in...

Senior Associate Product Manager - London Publicis Sapient is a digital transformation partner helping established organizations get to their future, digitally-enabled state, both in the way they work and the way they serve their customers. We help unlock value through a start-up mindset and modern methods, fusing strategy, consulting and customer experience with agile engineering and...

Overview Join to apply for the 1x Senior Account Executive (Enterprise SaaS/AI) role at Contilio 3D AI .Contilio 3D AI is a fast-growing, AI-first SaaS scaleup based in London, UK. We've built and scaled the world's first 3D AI analytics & insights platform for the largest industry on earth— construction . Our software automates quality verification, manufacturing style quantity tracking,...

An award-winning block management company is seeking an experienced Key Client Manager to take ownership of a portfolio of complex residential developments, including high-rise buildings, new builds, and estates requiring Building Safety Act (BSA) compliance. This is a senior, client-facing role where you will act as the main point of contact for key clients, delivering exceptional service while...

Group Consolidations Experience – Financial Controller Role PurposeThe Group Financial Accountant is responsible for preparing and reviewing consolidated financial statements for the corporate group, ensuring compliance with IFRS/local GAAP and internal reporting standards. This role provides stakeholders with accurate and timely financial information that reflects the group’s overall financial...

The Psychological Medicine Unit (PMU) is a unique, highly specialised psychiatric and psychological assessment and treatment unit, based within St Mark's Hospital. The current post provides an opportunity for a psychiatrist with a strong academic background to help build the impact and profile of the PMU. In addition to clinical duties, the post holder will be expected to increase the research...

Get AI-powered advice on this job and more exclusive features. Blue Light Card. Individually great, together unstoppableThe Role and the TeamWe have an exciting opportunity for a Platform Engineer to join our Engineering team at Blue Light Card. In this role, you'll design, build, and maintain scalable, reliable, and secure cloud infrastructure that supports our engineering teams. You'll drive...

Join to apply for the Forward Deployed Engineer - London role at Aircall Aircall is a unicorn AI‐powered customer communications platform used by 22,000+ companies worldwide to drive revenue, faster resolutions, and scale. We're redefining what a customer communications platform can be—by combining voice, SMS, WhatsApp, and AI into one seamless workspace. Our momentum comes from a simple but...

Overview We are partnering with a respected engineering organisation seeking a skilled Thermal Engineer to join their team. The successful candidate will be responsible for designing, analysing, and optimising thermal systems to ensure effective heat transfer, temperature control, and system reliability. This role requires the application of thermodynamics, fluid mechanics, and heat transfer...

Senior Quantity SurveyorLocation: Thames region – North / West / Central LondonSalary: £60,000 – £75,000 + excellent benefitsEmployment Type: Permanent, Full Time (42.5 hours per week)Start Date: November 2025 (or earlier by agreement)About the ClientOur client is one of the UK’s leading privately owned civil engineering and infrastructure specialists, with over 40 years of experience delivering...

Buyer / Senior Buyer£40,000 - £60,000 + BenefitsNorth West LondonAbout the Opportunity:I have been asked to recruit a Buyer for this specialist reinforced concrete frame and groundwork subcontractor. This position has a crucial part to play in the business's ability to operate smoothly, as you will be a central link between the suppliers and the sites.Day-to-day duties will include speaking with...

OverviewLondon Office Based We are a forward-thinking, growing SME operating from the East Midlands and London regions. With strong sustainability credentials and a commitment to making a positive impact, we actively seek to drive change in our industry. Our innovative approach, coupled with a hybrid work environment, provides our employees with a dynamic and inclusive atmosphere where they can...

Software Engineer – EPIC CentreJoin to apply for the Software Engineer role at EPIC Centre . We are looking for Software Engineers to develop embedded and host software to manage and monitor our high-speed network. These engineers will be part of the team building solutions to connect GPU systems to our innovative photonics. Responsibilities will include software architecture definition,...

A forward-thinking tech company in Harrow is seeking a Software Engineer specializing in Cloud Infrastructure. This role involves designing robust and secure infrastructure systems, focusing on scalability and reliability for enterprise-level deployments. You'll collaborate closely in a diverse team environment, ensuring the integrity of critical systems. Expect competitive compensation, equity...

Senior Director Product Management Consumer Products - London Publicis Sapient is a digital transformation partner helping established organizations get to their future, digitally enabled state, both in the way they work and the way they serve their customers. We help unlock value through a start-up mindset and modern methods, fusing strategy, consulting, and customer experience with agile...

A pioneering technology firm in Harrow is seeking a Systems Optimisation Engineer to develop test frameworks and optimisation algorithms for optical network systems. This hybrid role demands proficiency in software development, experience with various optimisation techniques, and the ability to work collaboratively with hardware teams. Ideal candidates will hold a relevant degree and possess...

Systems Optimisation EngineerEPIC Centre – London Office – Hybrid Opto‐electronic Systems – Oriole Networks. We are seeking a Systems Optimisation Engineer to develop intelligent test frameworks and optimisation algorithms for optical network systems. This cross‐disciplinary role blends software engineering, algorithm development, and hardware test integration to reduce test time, improve...