Senior Backend Engineer (Taxes Module)

About the Position

Senior Backend Engineer (Taxes Module)

Engineering & Data

Europe

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About the Position

At Solidgate, our mission is clear: to empower outstanding entrepreneurs to build exceptional internet companies. We exist to fuel the builders - the ones shaping the digital economy - with the financial infrastructure they deserve. To achieve that, we’re on a bold path: to become the #1 payments orchestration platform in the world.

We believe the future of payments is shaped by people who think big, take ownership, and bring curiosity and drive to everything they do. That’s exactly the kind of teammates we want on board.

Solidgate is part of Endeavor - a global community of the world’s most impactful entrepreneurs. We’re proud to be the first payment orchestrator from Europe to join - and to share our expertise within a network of outstanding global companies.

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Responsibilities

You’ll join the Billing team and take ownership of the Taxes module - a core part of our billing system responsible for tax calculation and reporting across multiple locations.

Your focus will be on:

• Building tax calculation and reporting logic
• Integrating third-party tax providers
• Improving system resilience and uptime
• Making architectural decisions and setting technical direction
• Mentoring engineers as the team grows

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Requirements

• 6+ years of backend engineering experience (Go/PHP/Kotlin/Java/Python)
• Strong understanding of high-load system design
• Solid experience with PostgreSQL
• Experience with queues or streams
• Strong testing culture: unit, integration, functional, e2e
• Proactive, independent, result-oriented mindset

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Nice to Have

• Kafka
• AWS services
• CI/CD pipelines
• Fintech / payments / financial domain experience
• Understanding of VAT, GST, Sales Tax
• Experience managing teams

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We Offer

High-impact role. You’re not inheriting a perfect system - you’re building one.

Great product. We’ve built a fintech powerhouse that scales fast. Solidgate isn’t just an orchestration player - it’s the financial infrastructure for modern Internet businesses. From subscriptions to chargeback management, fraud prevention, and indirect tax - we’ve got it covered. We hold financial licenses in key regions and are a direct Visa & Mastercard partner and sub-reseller (top 5 globally).

Massive growth opportunity. Solidgate is scaling rapidly - this role will be a career-defining move.

Top-tier tech team. Work alongside our driving force - a proven, results-driven engineering team that delivers.

Modern engineering culture. TBDs, code reviews, solid testing practices, metrics, alerts, and fully automated CI/CD.

💌 The Extras: 30+ days off, unlimited sick leave, free office meals, health coverage, and Apple gear to keep you productive. Courses, conferences, sports and wellness benefits - all designed for ideas, focus, and fun.

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About the Company

Tomorrow’s fintech needs your mindset. Come build it with us.

🫂 Know top talent? We’re always on the lookout. Refer someone for our role, and if they get hired, there’s a bonus waiting for you - simple as that.