At a Glance
- Tasks: Drive growth marketing campaigns and optimise customer engagement through data analysis.
- Company: Join a fast-growing fintech company with a focus on innovation and member value.
- Benefits: Competitive salary, equity, generous leave, and flexible working arrangements.
- Other info: Hybrid working policy with a vibrant office culture in London.
- Why this job: Make a real impact in a high-growth role with ownership and mentorship opportunities.
- Qualifications: Experience in growth marketing, strong analytical skills, and familiarity with SQL.
The predicted salary is between 50000 - 70000 £ per year.
The Opportunity
Our workplace loans product is the highest‑growth part of the Stream business. Since launch in early 2024 we have saved our members >£15m in lower interest fees, while providing a unique personal loan product with a market‑leading NPS of >80. This role sits at the intersection of growth marketing, analytics, and credit. You’ll own and evolve organic growth campaigns delivered through the Stream app, using data, experimentation, and thoughtful customer segmentation to drive applications balanced against the overall customer experience of the Stream app and the needs of other products. This is a high‑impact role with real ownership. You’ll have clear metrics and goals, and your work will have clear, tangible and immediate member value. You’ll work closely with senior product, growth and credit leaders and be mentored by one of the strongest performers in the team.
What will you be doing?
- Build, run, and optimise in‑app and email growth campaigns that drive credit applications
- Design and manage customer segmentation to deliver the right message to the right user at the right time
- Use SQL and BI tools to analyse performance, build dashboards, and self‑serve insights
- Continuously test, iterate, and improve campaign effectiveness and customer experience
- Balance growth performance with long‑term engagement and risk
- Collaborate closely with Credit, Product, and Growth stakeholders
What experience might you have? (But if you’re close… we’d still love to talk to you!)
- 2+ years in growth or performance marketing roles and/or credit marketing roles
- Analytical or quantitative background, e.g. STEM degree
- Evidence of delivering ongoing and sustained improvement in organic and paid marketing channels through multi‑variant testing, audience segmentation and creative iteration
- Familiarity with tools and strategies for driving customer acquisition and retention
- Strong skills in data analysis to measure campaign effectiveness, optimise strategies, and understand customer behaviours
- Previous experience in B2C digital businesses and/or fast‑paced scale‑up environments
- Fintech experience valued but not essential
- Ideally some exposure to SQL
What Success Looks Like (First 6–12 Months)
- A self‑sustaining organic growth engine within the app
- Sophisticated, dynamic customer segmentation and profiling
- High application volumes delivered in a thoughtful, customer‑first way
- Fresh, well‑rotated messaging that improves engagement and reduces friction
- Clear, data‑backed insight into what’s driving growth and why
Working Policy
We operate a hybrid policy with a requirement of three days a week in the London office.
Salary
From £50,000 – 70,000 (dependent on experience), plus equity and benefits.
What will we do for you?
- 25 days annual leave in addition to public holidays (up to 5 day rollover), and flexible time‑off allowances for ad‑hoc childcare, family or caring needs
- 24 weeks paid maternity leave and 4 weeks paid paternity leave for employees with over 12 months service
- Special leave for IVF and other fertility treatments
- Sabbatical scheme
- Paid leave to volunteer
- Private healthcare including comprehensive mental and physical healthcare
- Salary sacrifice to pension, bonus exchange to pension, saved tax and NI with added compound growth
- Electric vehicle salary sacrifice scheme
- Season ticket loan
- Access to salary sacrifice schemes via ThanksBen, the benefits marketplace (e.g. workplace nurseries, cycle‑to‑work, home and tech scheme and more)
- Best benefit of all: access to Stream!
At Stream we celebrate and support our differences. We know employing a team rich in diverse thoughts, experiences, and opinions allows our employees, our product and our community to flourish. Stream is an equal opportunity workplace. We are dedicated to equal employment opportunities regardless of race, colour, ancestry, religion, sex, national origin, sexual orientation, age, citizenship, marital status, disability, gender identity/expression, or veteran status.
Growth Marketing Executive in London employer: Mosaic.tech
Harness is an exceptional employer that fosters a dynamic work culture in London, where innovation meets collaboration. With comprehensive healthcare benefits, flexible work schedules, and a strong emphasis on employee growth through regular team-building events and professional development opportunities, Harness empowers its employees to thrive both personally and professionally. Join a forward-thinking team that is at the forefront of AI software delivery, making a meaningful impact in the tech industry.
StudySmarter Expert Advice🤫
We think this is how you could land Growth Marketing Executive in London
✨Show Your Creative Side
In marketing communications, standing out is key. Get creative with your application! Consider designing a mini-campaign or pitch that highlights your skills and understanding of the brand. Tailor it for Mosaic.tech and show them what you can bring to the table.
✨Engage in Marketing Communities
Get involved in local or online marketing communications groups. Check out platforms like Meetup for events and workshops. Networking here can lead to hidden job openings and valuable insights into the industry trends—this is where we often discover what companies like Mosaic.tech are looking for.
✨Leverage Social Media
Use platforms like LinkedIn and Twitter to showcase your passion for marketing communications. Share insights, articles, and your own content that resonates with the industry. Tagging or interacting with Mosaic.tech on these platforms can catch the eye of recruiters and show you're genuinely interested in them.
✨Attend Industry Events
Keep an eye out for marketing conferences and workshops. These are great places to meet potential employers face-to-face and make connections that could land you a full-time role at Mosaic.tech. Bring your business cards and be prepared to chat about how you can contribute!
We think you need these skills to ace Growth Marketing Executive in London
Some tips for your application 🫡
Craft an Impactful Cover Letter:Your cover letter is your chance to shine! Focus on your passion for marketing communications and how your previous experiences can benefit Mosaic.tech. Make sure to mention specific campaigns or projects you’ve worked on that showcase your creativity and strategic thinking.
Showcase Your Writing Skills:As you're diving into a marketing communications role, your writing ability is crucial. Include samples of your work, like blog posts, press releases, or social media campaigns in your application. This lets us see your style and how you engage with different audiences.
Tailor Your CV to Marketing:Your CV should highlight relevant marketing skills and experiences! Include specific tools or platforms you’ve used, like Google Analytics or social media management software. Mention any certifications or workshops related to marketing that you've completed – they can give you an edge!
Demonstrate Your Understanding of Mosaic.tech:Show us that you’ve done your homework! In your application, briefly mention what you admire about Mosaic.tech’s marketing approach or any recent campaigns that caught your attention. This can reveal your enthusiasm for the role and your genuine interest in joining our team!
How to prepare for a job interview at Mosaic.tech
✨Showcase Your Creative Campaigns
Get ready to flaunt your portfolio! Include examples of previous marketing campaigns you've worked on, especially those that showcase your creativity and strategy. Recruiters at Mosaic.tech will be keen to see how you conceptualise and execute campaigns, so highlight any measurable outcomes to back up your claims.
✨Know Your Digital Tools Inside Out
If you’re heading into a marketing-communications role, make sure you're comfortable discussing key digital marketing tools like Google Analytics, HubSpot, or Hootsuite. Expect some technical questions about how you've used these tools in the past, as they'll want to gauge your hands-on experience and how you analyse data to drive marketing decisions.
✨Be Ready for Scenario-Based Questions
At Mosaic.tech, they may throw some scenario-based questions your way, aimed at testing your problem-solving skills in real-life marketing situations. Think through potential challenges you’ve faced, how you navigated them, and be prepared to discuss your thought process and outcome.
✨Demonstrate Your Passion for Marketing
As you’re applying for a full-time position, show that you're not just looking for a job, but a career in marketing. Talk about the latest trends in marketing communications, your favourite campaigns, and why they inspire you. Your enthusiasm can really make you stand out and demonstrate that you’re committed to growing within the field.
