Financial Planning and Analysis Manager

Harmonic Finance™ | Certified B Corp; Greater London; On-site; GBP 90,000 - 120,000; Full time

Job summary

Harmonic Finance seeks an FP&A Manager in London (hybrid) to lead budgeting, forecasting, and long-range financial planning for a fast-scaling fintech. You will own models, build dashboards and provide clear commentary on variances to guide leadership decisions.

You will partner with product and operations, manage headcount forecasting, and leverage AI tools to automate analyses and reporting for stakeholders and investors.

Qualifications

• Senior FP&A experience in a fast-growth or tech-enabled business.
• Strong budgeting, forecasting and scenario-planning capabilities.
• Proven ability to write insightful variance analysis and explanations.
• Experience building KPI dashboards and tracking SaaS metrics (ARR, churn, LTV).
• Comfort with AI-assisted analytics and automated reporting.

Responsibilities

• Own budgeting and rolling forecasts with stress testing.
• Build models for scenario planning, headcount, and long-range forecasting.
• Own the headcount model and leadership reporting.
• Write variance commentary explaining the why behind numbers.
• Develop KPI dashboards tracking SaaS metrics (ARR, NRR, churn).
• Partner with product and operations to drive insights.
• Utilize AI tools daily to automate reconciliations and analyses.
• Support investor relations or fundraising activities.

Skills

Budgeting

Forecasting

Variance analysis

Financial modelling

SaaS metrics

KPI dashboards

Stakeholder partnering

AI analytics

Tools

Excel

SQL

BI tools

Job description

FP&A Manager | VC-backed Fintech Unicorn | London / Hybrid

The Client

A fast-scaling, AI-native fintech backed by some of the most recognised venture investors in tech, having closed a nine-figure funding round at a headline-grabbing valuation and trusted by some of the biggest blue chips in the world. Speed, ownership and genuine ambition run through the culture, this is a team that moves fast and expects a lot of itself.

The Role

A hands-on, FP&A Manager hire reporting into the Head of FP&A. You'll join a small, sharp finance team built by operators who've done this before at some of the best businesses in the market, genuine calibre to learn from daily. The function is still being built, so there's real scope to shape how the business plans, reports and partners with the wider team.

Key Responsibilities

• Own budgeting and rolling forecasts, stress-testing assumptions across the business
• Build models for scenario planning, headcount and long-range forecasting
• Own the headcount model and leadership reporting
• Write variance commentary that explains the "why", not just the numbers
• Build KPI dashboards and track core SaaS metrics (ARR, NRR, CAC, LTV, churn, cohorts)
• Business partner with product and operational teams
• Use AI daily to automate reconciliations and repeatable analysis
• One of: a first move out of VC/PE/banking into an operator role; an operator or strategy/ops role at a SaaS scale-up; or a senior FP&A analyst seat at a high-calibre VC-backed business
• Genuinely AI-native: uses AI tools daily to sharpen analysis and automate routine work
• Fluent in SaaS metrics: ARR, NRR, churn, cohort and unit economics
• Builds clean, well-structured models people actually use
• Exposure to investor relations or fundraising

Package

Location: London; hybrid, 2 days/week in office

Start Date: ASAP / open to notice

At Harmonic, we are dedicated to fostering an inclusive and equitable workplace. We actively welcome applications from individuals of all backgrounds and assure you that every candidate will be thoughtfully considered for the roles we represent, without regard to race, religion, gender expression, disability, or sexual orientation.