Mercury · 11 hours ago
Senior Software Engineer - Banking Integration Platform
United States
Full-time
Remote
Senior Level
$167K/yr - $251K/yrMercury is building a bank and is seeking a Senior Software Engineer for their Banking Integration Platform. The role involves creating integrations with a bank core and payment networks, designing APIs, and ensuring operational reliability of external connections.
BankingFinancial ServicesFinTech
Responsibilities
Build Mercury’s integration with an FFIEC-approved bank core and the connections to payment networks
Design internal APIs that give product teams simple, consistent interfaces to complex external systems
Handle the messy realities of enterprise integrations such as retries, failures, format mismatches, and downtime
Build data pipelines that keep Mercury's systems in sync with our bank core
Own monitoring, alerting, and recovery for our most critical external connections
Partner with many other teams at Mercury to define clean boundaries and reliable contracts
Help shape the technical architecture of Mercury Bank
Qualification
Required
Have direct experience with either a bank core that has achieved FFIEC-compliance (such as FIS) or that of a US-based Global Systemically Important Bank (G-SIB)
Understand how core banking systems work: accounts, transactions, ledgers, and the data models underneath
Be a product-minded engineer who thinks about the developers consuming your APIs, not just the systems you're connecting to
Thrive in environments where you're building something new rather than maintaining something established
Be comfortable with our tech stack (Haskell and TypeScript) or ready to learn
Have strong opinions about building reliable, maintainable systems
Company
Mercury
Mercury provides online banking solutions for startups and technology-focused businesses.
Founded in 2017
1001-5000 employees
H1B Sponsorship
Mercury has a track record of offering H1B sponsorships. Please note that this does not
guarantee sponsorship for this specific role. Below presents additional info for your
reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
Represents job field similar to this job
Trends of Total Sponsorships
2025 (14)
2024 (6)
2023 (8)
2022 (1)
2021 (1)
2020 (1)
Funding
Current Stage
Late StageTotal Funding
$452.21MKey Investors
Sequoia CapitalCoatueCRV
2025-12-25Series C
2025-03-26Series C· $300M
2025-03-26Secondary Market
Leadership Team
Immad Akhund
CEO & Founder
Jason Zhang
COO, Co-Founder
Recent News
Payments Dive
2025-12-24
Crowdfund Insider
2025-12-21
2025-12-20
Company data provided by crunchbase