Jack helps you find life-changing roles at breakout companies.
Finance leaders use Jack to find strategic roles with outsized impact at top-tier companies.
Jack finds you jobs at companies like this.
Head of Finance at LENKIE TECHNOLOGIES LIMITED
LENKIE TECHNOLOGIES LIMITED seeks a Head of Finance in London to build their finance department post-Series A funding. This role offers the chance to shape capital markets strategy and accounting infrastructure. Ideal for an ACA-qualified professional with lending experience looking to support SMEs.
Back End Developer at Viewture Limited
Back End Developer at Viewture Limited in the UK, focusing on .NET, Azure and C#. You’ll build proprietary, real-time systems that categorize and monetize content lifecycles, with data pipelines and secure microservices. The role offers professional growth, technical ownership and the chance to contribute to the future of digital asset investment.
Strategic Finance at Scarlet
Strategic Finance lead role at Scarlet in London, the second finance hire. Scarlet, backed by Creandum, operates as Europe's Notified Body for AI medical devices. The position offers ownership of unit economics through autonomous financial operations as the business grows, with equity on offer.
Senior Product Manager at 9fin
Senior Product Manager for the Deals team at 9fin.com in London. 9fin.com is a fast-growing private tech company backed by £170m to modernize the debt market, and you’ll work with the CEO and C-suite to shape the roadmap for core financial instrument products. The role offers an equity component and the chance to own the strategy for a platform used by 300+ blue-chip institutions, requiring 5+.
Chief Credit & Risk Officer at FairFlow Finance Limited
Chief Credit & Risk Officer at FairFlow Finance Limited in the UK, joining a venture-backed fintech. As the first risk hire, you’ll partner with the Founder to build an automated risk function from scratch and implement flat fees with Open Banking data. The role includes significant equity and a ground-floor opportunity to help expand financial inclusion for 20 million adults, requiring 5+ years.
Product Manager at Chip Financial Ltd
Product Manager (12-month maternity cover) at Chip Financial Ltd, overseeing the Investments and Pensions experience. Chip Financial Ltd is a London fintech scaleup building digital wealth tools for hundreds of thousands of users. This role offers product leadership with equity options and a learning allowance.
Account Executive at Caplight
Senior Account Executive role in San Francisco at Caplight, selling financial data to the buy-side. Caplight is a private markets fintech building a Bloomberg Terminal–like platform trusted by top VCs and banks. The role focuses on flagship clients and offers strong growth potential for high performers.
Founding Engineer at Proximitty
Founding Engineer role at Proximitty in San Francisco, a YC-backed fintech building autonomous lending agents for commercial credit. Join a pedigree team from Bloomberg and McKinsey to build self-evolving AI infrastructure for the largest US banks. As the first engineer, you’ll own 1-2% equity as Proximitty scales toward 7-figure ARR.
Engagement Manager at Model ML
Engagement Manager at Model ML leads enterprise client delivery. Model ML works with global financial institutions and recently closed a $75M Series A backed by Y Combinator and LocalGlobe. This role offers the opportunity to apply 5+ years of high-stakes experience to deploy AI workflows for top firms.
Fullstack Engineer at NAVI Labs
Are you a sharp Fullstack Engineer ready to build the future of decentralized finance? Join the most trusted DeFi infrastructure protocol on Sui, currently scaling with over $400M TVL and 900k users. This is a rare greenfield opportunity to join a lean 15 person engineering team where you’ll own product lines from scratch—not just maintain legacy code. Whether you're a crypto native or a Web2 expert looking to break into DeFi, you'll work alongside industry leaders backed by OKX Ventures and Hashed to ship high performance financial tools at massive scale.
Protection advisor agent at Supremefinancialsolutions
Join an established financial advisory firm with over 30 years of experience in family protection. This remote first role offers total flexibility and a realistic earning potential of up to £50k OTE, perfect for self motivated advisors who value ethical advice and a modern approach to insurance.
Founding Engineer at Kip-ai
Join a high pedigree founding team from Stanford and Snowflake as their first engineering hire. This isn't another fintech dashboard; it's an AI native Personal CFO designed to fix the structural wealth gap for Millennials and Gen Z. You will architect autonomous agents and complex financial simulation engines from the ground up while earning a top tier salary and founding equity. If you are an AI first builder who thrives on ownership and wants to ship products that define the future of personal finance, this is the most impactful role in the Bay Area right now.
Commercial Associate at Tunic Pay
Join Tunic Pay, a high growth fintech startup backed by top tier investors, as a Commercial Associate. Founded by veterans from Nova Credit and Palantir, Tunic Pay is building the trust infrastructure for real time payments to stop scams before they happen. In this London based role, you’ll work directly with the UK’s largest banks to lead pilots and turn data into product strategy. If you have a background in consulting, banking, or BizOps and want to be a 'human accelerant' at a pre empted Series A company, this is your chance to build from the ground up.
Senior M&A Advisor at Dealflowagent
Are you a high performing M&A professional tired of the back room analyst grind? This AI native advisory firm, backed by early investors in SpaceX and Notion, is hiring a Senior M&A Advisor to lead their founding team in London. You'll own the entire deal lifecycle for SMBs using proprietary AI tools that handle the heavy lifting, allowing you to manage more volume and earn uncapped 10 15% commissions. With a £72k base, 1% founding equity, and a model that has seen peers earn seven figure bonuses, this is the ultimate role for a deal maker with a startup operator's mindset.
Data Scientist and AI Engineer at progressive fintech credit startup
Are you a Data Scientist who knows when to use a simple linear model and when to deploy a complex LLM? This progressive London based fintech startup is looking for an ambitious engineer to revolutionize credit risk and affordability. You'll work on everything from XGBoost risk insights to Generative AI context engineering, all while ensuring model explainability through SHAP. If you have 2+ years of experience in finance and want the autonomy of a fast moving startup where your work directly helps underserved consumers access better products, this is the role for you.