Experience Requirements:

• Proven experience in leading engineering teams and delivering large-scale projects with predictable outcomes, ideally 2+ years.​

• Strong understanding of engineering levels and experience in scaling teams effectively.​

• Proven ability to track performance and helping every team member improve output and achieve career goals.​

• Relevant engineering background for a team building an enterprise-grade SaaS product delivering AI-powered video generation; billing systems, experimentation platforms, video delivery systems, and so on.

Responsibilities:

• Lead the delivery of complex engineering projects, breaking them down into manageable stages with predictable timelines. Make informed decisions on trade-offs and effectively communicate these to stakeholders. Challenge and support senior engineers to achieve technical excellence.

• Understand engineering leveling and scale the team by identifying and filling skill gaps. Collaborate with recruiting to attract and retain top talent, ensuring the team structure supports current and future business needs.​

• Monitor team performance proactively, identifying and addressing issues promptly. Develop strategies to retain top performers through growth opportunities and recognition.​ Navigate difficult conversations with clarity and empathy, especially when working with senior team members. Resolve disagreements by focusing on solutions that align with business goals and foster a collaborative team environment.

Benefits:

• 📍A hybrid, flexible approach to work where you have access to a lovely office space in Oxford Circus with free lunches on a Wednesday and Friday

• 💸 A competitive salary + stock options

• 🏝 25 days of annual leave + public holidays (plus the option to take 5 days unpaid leave and carry 5 days over)

• 🏥 Private healthcare through AXA, including mental health support through the Stronger Minds service

• ❣️ Pension contribution - Synthesia contributes 3% and employee contributes 5% on qualifying earnings 🚲 Cycle to work scheme 🥳 You will join an established company culture with optional regular socials and company retreats 🍼 Paid parental leave entitling primary caregivers to 16 weeks of full pay, and secondary 5 weeks of full pay 👉 You can participate in a generous recruitment referral scheme if you help us to hire 💻 The equipment you need to be successful in your role

Experience Requirements:

• You’ve worked in B2B SaaS: you know the ins and outs of B2B SaaS and have seen how messaging evolves as companies scale.

Responsibilities:

• Develop and own the brand’s voice: create and maintain a consistent tone of voice across all channels, from marketing campaigns to internal communications.

• Write website copy and sales materials: write clear landing pages, one-pagers, pitch decks, and other sales collateral that communicate our value simply and effectively.

• Write scripts for videos: create scripts that explain complex ideas in simple terms while keeping audiences engaged.

• Mentor the team: help others align with the brand’s voice and improve their writing to ensure consistency across the company.

Experience Requirements:

• Senior

Experience Requirements:

• 6+ years

Benefits:

• Share Options!

• Flexible working!

• Annual Leave!

• Annual off-site

• Purpose driven!

Experience Requirements:

• 8+ years of experience in software engineering, including technical leadership and team management.

• Proven experience scaling engineering teams in a fast-paced startup environment.

• Deep expertise in backend development (Python preferred), cloud infrastructure (GCP/AWS), and system design.

• Strong understanding of modern software development best practices, including CI/CD, containerization, observability, and microservices.

• Experience working closely with Product teams to align technical decisions with business priorities.

Responsibilities:

• Own the technical strategy for the team's scope, ensuring scalability, performance, and security.

• Lead the architecture and design of backend systems, APIs, and infrastructure to support rapid growth.

• Collaborate closely with the VP of Engineering & Product to align technical decisions with business goals.

• Ensure technical excellence by championing best practices, high code quality, and operational excellence.

• Lead, manage, and mentor a high-performing engineering team, fostering a culture of learning, innovation, and accountability.

Education Requirements:

• A Bachelor’s degree in a related field is a plus

Experience Requirements:

• Proven SDR/ sales experience in the AI industry (a plus)

• A talent for building and maintaining long-lasting client relationships

Responsibilities:

• Developing and executing a strategy to identify and generate qualified leads through a multi-channel approach

• Building and maintaining strong client relationships

• Demonstrating a good grasp of knowledge around the benefits of AI and why Quench is the solution

• Collaborating with the sales team and management to develop and implement winning sales strategies

• Collaborating with the tech team to ensure a good feedback loop is in place from prospects and customers.

Experience Requirements:

• selling to major UK agencies for at least 4 years

Responsibilities:

• Identify new agency clients as a route to market, conduct contract negotiations, obtain orders and establish new accounts/relationships.

• Competently navigate multiple divisions and departments of major agency groups.

• Expertly pull together complex deal structures and negotiations, positioning standard Epidemic offerings and working with this channel to identify deal constructs that meet the agency where they are.

• Comfortable developing strong relationships and working closely with middle management and C-level executives from both a relationship building and a sales/business development perspective from all major agency groups

• Assume responsibility for the full agency sales cycle, both inbound and outbound sales, and keeping Epidemic Sounds as top of mind.

Benefits:

• Participation in the company’s employee share options plan

• 25 days holiday, plus bank holidays

• Flexible working from home policy plus a one-off WFH allowance when you join

• Work from outside of the UK for up to 6 months each year

• Enhanced parental leave 🚲 Bike2Work scheme 📚 Annual learning and development allowance [👨‍👩‍👧](https://emojipedia.org/family-man-woman-girl/) Company-funded fertility and family-forming programmes [🌸](https://emojipedia.org/cherry-blossom/) Menopause care programme with Maven 🏥 Private healthcare and dental cover, discounts on gym members and relaxation apps, and access to a range of mental health programs

Education Requirements:

• A degree in Computer Science, Machine Learning, or a related field, or equivalent industry experience

Experience Requirements:

• 3+ years of experience working with deep learning and statistical models

Responsibilities:

• Train models and conduct experiments to assess model performance in live deployments

• Work on experimental model architectures, exploring multimodal, efficient long-context etc.

• Develop post-training strategies to achieve state of the art performance on domain-specific tasks

• Generate, collect, and annotate contact center data from sources such as real customer calls, chats, online open datasets, and synthetic data

• Develop robust evaluation benchmarks to track improvements in production models Collaborate with the legal and compliance team to address any compliance or data privacy-related issues Work closely with product and engineering teams to ensure alignment with business and production goals Stay informed about the latest advancements in machine learning, ASR, TTS, and LLM to continuously enhance our technologies

Education Requirements:

• Demonstrable interest in technology/computer science.

Experience Requirements:

• Good knowledge of security best practices.

• Knowledge of scripting languages (python,bash).

• Good familiarity with Linux administration and command line utilities.

• Experience with continuous integration.

• Familiarity with AWS is a plus.

Other Requirements:

• Experience with FIX and knowledge of financial instruments is advantageous.

Responsibilities:

• Security best practices and write-up of technical documents.

• Monitoring event-based systems.

• Liaising with all counterparties to resolve trading issues promptly.

• Development of automation tools and scripts.

• Automate infrastructure testing into CI pipeline.

Education Requirements:

• Demonstrable interest in mathematics/physics, engineering or computer science (minimum BSc equivalent).

Experience Requirements:

• Experience as a software engineer either via work experience, side-project, open source etc.

• Experience with C++ and one scripting language, preferably Python.

Other Requirements:

• Ability to develop and optimize high-performance C++ code for low latency computation.

• Low level deep understanding and ability to look under the hood (assembly, libraries, memory model) to develop concise understanding of the workings.

• Strong awareness of best practices, code standards, building processes, test driven programming and code reviews.

• Interest in data structures and algorithm designs.

• Strong familiarity with Linux infrastructure.

• Approachable attitude to joint work and peer review and ability to present complex ideas in a concise manner.

• Staying up to date with emerging trends and technologies in the field of trading and financial markets

Education Requirements:

• Minimum Doctoral degree or in the last year of the Doctoral degree in Mathematics/Statistics, Computer Science, Physics or Electrical Engineering.

Other Requirements:

• Demonstrable capacity to produce high quality peer reviewed research.

• Familiar with Linux infrastructure and python (C++ familiarity would be beneficial).

• Preferably some knowledge of financial market mechanics.

• Approachable attitude to joint work and peer review and ability to present complex ideas in a concise manner.

• No previous experience is required.

• mathematics hobbyists

Benefits:

• A competitive compensation package (base + equity) with bi-annual reviews, aligned to our quarterly OKR planning cycles

• Work at one of the fastest-growing tech startups, backed by top VC firms, Balderton & EQT Ventures

• A clear progression plan.

• Flexibility

• Work where you work best.

Experience Requirements:

• 2+ years in a top-tier investment bank (e.g., J.P. Morgan, Goldman Sachs, Morgan Stanley), leading consultancy (e.g., McKinsey, Bain, BCG), or a high-growth startup in a strategy or operations role.

Responsibilities:

• Identify and lead high-impact initiatives across Cleo, solving critical challenges and driving large-scale change.

• Dive into departments and processes that need improvement, quickly identifying pain points and executing solutions.

• Track, monitor, and improve department-level performance metrics to drive efficiency and accountability.

• Collaborate with product, business development, and operations teams to align priorities and execute complex initiatives.

• Build scalable frameworks and models to support Cleo’s rapid growth globally.

Benefits:

• A competitive compensation package (base + equity) with bi-annual reviews, aligned to our quarterly OKR planning cycles

• Work at one of the fastest-growing tech startups, backed by top VC firms, Balderton & EQT Ventures

• A clear progression plan.

• Flexibility

• Work where you work best.

Experience Requirements:

• has at least 5 years industry experience of using Ruby on Rails.

Responsibilities:

• Leading (in an IC capacity) a cross-functional product squad and collaborating with a mix of engineers, designers, analysts and other disciplines to develop features that enhance our users' financial health.

• Collaborating with other senior peers in your pillar to provide technical insight into upcoming work, and leading the delivery by helping pull everyone together to get it shipped.

• Mentoring colleagues to help them grow as engineers and actively supporting their development.

• Working on our Ruby on Rails monolith, building data models, APIs, and business logic services.

• Delivering your work using agile methodologies and tools like tests, observability, AB-tests, and feature flags.

Benefits:

• A competitive compensation package (base + equity) with bi-annual reviews, aligned to our quarterly OKR planning cycles

• Work at one of the fastest-growing tech startups, backed by top VC firms, Balderton & EQT Ventures

• A clear progression plan.

• Flexibility

• Work where you work best.

Experience Requirements:

• industry experience of using React Native / React with TypeScript for a minimum of 2+ years.

Responsibilities:

• Joining a cross-functional product squad with a mix of frontend engineers, designers, UX writers, backend engineers, data analysts and others to develop features that improve our users’ financial health

• Working on our React Native application, building out amazing experiences for our users which bring financial health to life in the unique Cleo tone of voice.

• Writing automated tests alongside your code to give us the confidence to ship it

• Using AB-Tests, feature flags and other tools that let us iterate quickly

• Using data to dig into user journeys, detecting problems and helping to optimise the Cleo experience

Benefits:

• A competitive compensation package (£110,000 + equity) with bi-annual reviews, aligned to our quarterly OKR planning cycles

• Work at one of the fastest-growing tech startups, backed by top VC firms, Balderton & EQT Ventures

• A clear progression plan.

• Flexibility

• Work where you work best.

Benefits:

• A competitive compensation package (base + equity) with bi-annual reviews, aligned to our quarterly OKR planning cycles

• Work at one of the fastest-growing tech startups, backed by top VC firms, Balderton & EQT Ventures

• A clear progression plan.

• Flexibility

• Work where you work best.

Responsibilities:

• People management:

• Technical leadership:

• Delivery ownership:

• Team development:

• Hiring and growth:

Benefits:

• A competitive compensation package (base + equity) with bi-annual reviews, aligned to our quarterly OKR planning cycles

• Work at one of the fastest-growing tech startups, backed by top VC firms, Balderton & EQT Ventures

• A clear progression plan.

• Flexibility

• Work where you work best.

Experience Requirements:

• 4+ years experience doing quantitative analysis in a digital product environment

Responsibilities:

• Conduct deep-dive analysis of the product ecosystem to understand user behaviour and to identify the highest impact areas for growth

• Collaborate in a cross-functional squad to experiment with pricing tiers and feature bundles, optimising the mix to drive profitability and deliver value to Cleo's users

• Build frameworks for analysing LTV / unit economics, and the commercial viability of new product bets

• Project business KPIs and company profitability to measurable levels of accuracy

• Define how we quantitatively evaluate product success, setting KPIs, designing tracking to measure what really matters

Benefits:

• A competitive compensation package (base + equity) with bi-annual reviews, aligned to our quarterly OKR planning cycles

• Work at one of the fastest-growing tech startups, backed by top VC firms, Balderton & EQT Ventures

• A clear progression plan.

• Flexibility

• Work where you work best.

Experience Requirements:

• 7+ years experience in a data/analytics field.

Responsibilities:

• Work with Chat pillar leadership to build a discovery roadmap and ensure we make data-driven decisions to improve the quality of chat interactions, understand our users’ current financial reality, and leverage chat to coach users towards meeting their goals.

• Set best practices and support the team in OKR planning, linking Chat improvements to increased user engagement and retention and setting a standard for how to prioritise initiatives on the product roadmap.

• People-manage those in the team, promoting their performance and development.

• Oversee the workload and strategy of the analysts in your area, ensuring your team is motivated, fulfilled, and driving impact.

• Proactively deliver high-impact analysis that directs pillar-wide product roadmapping.

Benefits:

• A competitive compensation package (base + equity) with bi-annual reviews, aligned to our quarterly OKR planning cycles

• Work at one of the fastest-growing tech startups, backed by top VC firms, Balderton & EQT Ventures

• A clear progression plan.

• Flexibility

• Work where you work best.

Experience Requirements:

• 6+ years of proven experience executing and leading in fast-changing, high-growth organisations (ideally in tech).

Responsibilities:

• Work with leaders across Cleo globally to prioritise, align and deliver communications about our most important strategic initiatives to ensure Cleople are informed, engaged, and inspired.

• Collaborate closely with senior leadership with divergent perspectives to discuss key issues and work behind the scenes to resolve disagreements, influence outcomes, and enable leader success.

• Partner with teams developing and executing the company’s strategic vision, helping them translate it into comprehensive communications plans.

• Take major initiatives off the Founder’s plate and lead them cross-functionally end-to-end.

• Bring the leadership team together and run team meetings in lieu of the CEO (prepare the agenda, take notes, assign action items, follow up, and hold owners accountable for rolling out key initiatives and decisions).