26 to 50 of 508 SaaS Jobs in the City of London

Principal JavaScript Engineer (TypeScript/React/Node.js) £150,000–£170,000 + Equity | Hybrid – 3 days in London We’re helping a VC-backed SaaS scaleup reinvent how organisations manage and approve spend, from software requests to supplier onboarding, and they’re gearing up for serious growth. With enterprise clients already on board and revenue climbing, they’re looking More ❯

. Represent the business at key industry events and conferences. What We’re Looking For Proven track record of achieving or exceeding B2B sales targets. Experience selling complex technology, SaaS, or fintech solutions into financial institutions. Strong communication, presentation, and negotiation skills. A consultative approach and the ability to build long-term client partnerships. Highly motivated, commercially minded, and driven More ❯

. Represent the business at key industry events and conferences. What We’re Looking For Proven track record of achieving or exceeding B2B sales targets. Experience selling complex technology, SaaS, or fintech solutions into financial institutions. Strong communication, presentation, and negotiation skills. A consultative approach and the ability to build long-term client partnerships. Highly motivated, commercially minded, and driven More ❯

design and build the systems connecting core platforms (CRM, data lake, business tools) into a unified, AI-ready architecture. This is a greenfield build role — you’ll wire together SaaS tools, automate data flows, and shape the internal AI platform powering future automation and AI copilots. Why This Role Is Different? Greenfield AI infrastructure: build the foundation from zero Direct More ❯

design and build the systems connecting core platforms (CRM, data lake, business tools) into a unified, AI-ready architecture. This is a greenfield build role — you’ll wire together SaaS tools, automate data flows, and shape the internal AI platform powering future automation and AI copilots. Why This Role Is Different? Greenfield AI infrastructure: build the foundation from zero Direct More ❯

Working for an industry leading, high-growth SaaS business with some of the biggest brand names in the world as customers, the Senior Software Engineer will build innovative next-gen solutions that are at the forefront of the industry. In this role, the Senior Software Engineer will be given full autonomy, taking ownership from design phase through to deployment, building More ❯

Working for an industry leading, high-growth SaaS business with some of the biggest brand names in the world as customers, the Senior Software Engineer will build innovative next-gen solutions that are at the forefront of the industry. In this role, the Senior Software Engineer will be given full autonomy, taking ownership from design phase through to deployment, building More ❯

Senior Engineer with strong software experience and ambition to grow and develop their career. Responsibilities: Design and implement scalable, secure backend services to support a high-availability, data-driven SaaS platform operating in a regulated industry. Work primarily with Python to build microservices, automation tools, and backend logic, leveraging its rich ecosystem for data processing, compliance workflows, and API development. More ❯

Senior Engineer with strong software experience and ambition to grow and develop their career. Responsibilities: Design and implement scalable, secure backend services to support a high-availability, data-driven SaaS platform operating in a regulated industry. Work primarily with Python to build microservices, automation tools, and backend logic, leveraging its rich ecosystem for data processing, compliance workflows, and API development. More ❯

Applied AI Software Engineer - Python, Fast API, AWS, LLMs OB are partnered with a high-growth, B2B SaaS start-up who are looking to hire a highly skilled Applied AI Engineer to their Product Engineering team, where you'll pioneer the development of complex applications leveraging GenAI models. This role won't be a role focused on building and training More ❯

out, you’ll have considerable input into this as the product evolves. Initially an internal product provided as part of a managed service, there’s potential to build a SAAS version for the broader market. This is a hybrid role reporting into the CEO, with 2-3 days per week in their office based in Northwest London. Candidates for the More ❯

of curiosity, technical skill, and commercial awareness, someone who can see the bigger picture while getting the details right. Youll bring: 5+ years SEO experience, ideally in B2B software, SaaS, or payments. Proven results managing SEO across multiple brands or complex sites. Strong technical SEO expertise and familiarity with tools such as Ahrefs, SEMrush, Screaming Frog, Google Search Console, and More ❯

technology and data architectures leveraging modern tools and data sourcing, transformation, analytics, and reporting technologies. Experience in implementing in-house and vendor solutions on premise and on cloud including SaaS solutions that meet user requirements and mitigate operational risks. Experience in system integration. Working knowledge of Agile Scrum methodology and ability to manage Agile teams. Knowledge of data mining and More ❯

be an equal opportunities employer. We are on the client's supplier list for this role. Keywords, Graduate Product Consultant, Legal Tech Jobs, Technology Consultant, Software Consultant, AI Solutions, SaaS Consultant, Graduate Tech Role, Entry-Level Tech Jobs, STEM Graduate Jobs, Analytical Thinking, Problem Solving, Client-Facing Role, Stakeholder Engagement, Product Demonstrations, Technical Onboarding, Customer Success, Product Feedback, Relationship Management More ❯

is composed of ex-Palantir and ex-Open AI leaders. They combine deep sector knowledge with cutting-edge design and software engineering expertise to deliver state-of-the-art SaaS capabilities leveraging NLP, Generative AI, and reinforcement learning technologies. Position location (hybrid): London (Shoreditch) or Paris (Le Marais) We are seeking Full Stack Engineers who are passionate about using technology More ❯

is composed of ex-Palantir and ex-Open AI leaders. They combine deep sector knowledge with cutting-edge design and software engineering expertise to deliver state-of-the-art SaaS capabilities leveraging NLP, Generative AI, and reinforcement learning technologies. Position location (hybrid): London (Shoreditch) or Paris (Le Marais) We are seeking Full Stack Engineers who are passionate about using technology More ❯

team is composed of ex-Palantir and ex-OpenAI leaders. They combine deep sector knowledge with cutting-edge design and software engineering expertise to deliver state-of-the-art SaaS capabilities leveraging NLP, GenAI, Computer Vision, and Reinforcement Learning technologies. Position location (hybrid) : London (Shoreditch) or Paris (Le Marais) We are seeking Machine Learning Engineers who are passionate about using More ❯

team is composed of ex-Palantir and ex-OpenAI leaders. They combine deep sector knowledge with cutting-edge design and software engineering expertise to deliver state-of-the-art SaaS capabilities leveraging NLP, GenAI, Computer Vision, and Reinforcement Learning technologies. Position location (hybrid) : London (Shoreditch) or Paris (Le Marais) We are seeking Machine Learning Engineers who are passionate about using More ❯

senior commercial or product roles Join a scale-up that blends world-class tech with a collaborative, people-first culture Looking to launch your career in the world of SaaS and AI? This is your chance to join one of the UK’s fastest-growing software companies, working at the intersection of technology, customer success, and commercial strategy . You More ❯

senior commercial or product roles Join a scale-up that blends world-class tech with a collaborative, people-first culture Looking to launch your career in the world of SaaS and AI? This is your chance to join one of the UK’s fastest-growing software companies, working at the intersection of technology, customer success, and commercial strategy . You More ❯

years of professional software development experience, with at least 2 years managing or leading engineering teams A proven track record of building healthy, motivated, and effective teams in a SaaS or startup environment Excellent people management skills—you care deeply about individual growth and team dynamics Strong communication and facilitation skills, able to create alignment across engineering, product, and leadership More ❯

elevate the wider analytics capability Identify opportunities to streamline workflows and improve data accuracy and accessibility About You 4+ years’ experience in data or analytics engineering, ideally within fintech, SaaS, or digital platforms Deep proficiency in SQL and hands-on experience with dbt Experience working with modern data warehouses (Snowflake, BigQuery, or Redshift) Familiarity with software engineering principles (Git, CI More ❯

elevate the wider analytics capability Identify opportunities to streamline workflows and improve data accuracy and accessibility About You 4+ years’ experience in data or analytics engineering, ideally within fintech, SaaS, or digital platforms Deep proficiency in SQL and hands-on experience with dbt Experience working with modern data warehouses (Snowflake, BigQuery, or Redshift) Familiarity with software engineering principles (Git, CI More ❯

About You 1–2 years’ SDR or SDR team lead experience Proven coaching skills with a people-first mindset Strong communication style - energetic, direct, and inspiring Background in B2B SaaS, FinTech, or financial information (bonus) Degree-level education in Business, Economics, Politics, or related field Passion for financial markets and current affairs Why Apply? Clear progression: opportunity to step up More ❯

About You 1–2 years’ SDR or SDR team lead experience Proven coaching skills with a people-first mindset Strong communication style - energetic, direct, and inspiring Background in B2B SaaS, FinTech, or financial information (bonus) Degree-level education in Business, Economics, Politics, or related field Passion for financial markets and current affairs Why Apply? Clear progression: opportunity to step up More ❯