Senior Software Engineer, Full Stack - Fintech Job at Hopper (Dublin)

Senior Software Engineer - Bank Accounts

At Mercury, our Bank Accounts team plays a similar role for the business: we own...

Location

United States; Canada , San Francisco; New York; Portland

Salary:

200700.00 - 250900.00 USD / Year

Mercury

Expiration Date

Until further notice

Requirements

Proven experience leading technical projects at scale, including planning, execution, and stakeholder management
Strong full-stack engineering skills, with deep knowledge of modern web development practices, API design, and system design
Clear and persuasive communication skills — you can articulate tradeoffs and influence decisions across teams
A mindset that balances urgency with craftsmanship: shipping fast, without cutting corners on quality engineering
Creativity and adaptability — you think beyond the obvious and find solutions that move both product and business forward
A track record of mentoring engineers and helping teams grow

Job Responsibility

Lead Projects End-to-End: Drive technical projects from concept to production. Define solutions, analyze tradeoffs, make critical decisions, and deliver software that works today and is sustainable for tomorrow
Collaborate Across Functions: Partner with product, design, and business stakeholders to shape initiatives. Translate between technical and non-technical audiences to ensure clarity, alignment, and buy-in
Code Craftsmanship: Write clear, testable, and maintainable code. Establish patterns and best practices that your team can follow, ensuring long-term scalability and reliability
Build for Quality & Sustainability: Design extensible systems, make balanced decisions on tech debt, plan careful rollouts, and own the quality of your work through post-launch monitoring
Think Product, Not Just Code: Approach problems with a product mindset. You care as much about the business impact of what you build as the technical design
Mentor & Elevate: Coach engineers on your team by sharing patterns, practices, and critical thinking to raise the technical bar and foster a culture of sustainable engineering

What we offer

base salary
equity
benefits

Fulltime

Senior Software Engineer - Treasury

The Treasury team is a team of full-stack engineers that are building thoughtful...

Location

United States; Canada , San Francisco; New York; Portland

Salary:

166600.00 - 208300.00 USD / Year

Mercury

Expiration Date

Until further notice

Requirements

4+ years of backend or full-stack development experience
Knowledge of or excitement to learn Haskell
Domain knowledge of RIA and broker-dealer systems that support both individual securities (equities, fixed income) as well as ETFs and mutual funds
Experience leading product and/or infrastructure projects that fulfill State, SEC, and/or FINRA regulatory requirements with a track record of success
Comfortable mentoring both junior and mid-level engineers
Communicates and collaborates effectively with peers and cross-functional counterparts by being helpful and engaged

Job Responsibility

Lead high-impact, cross-functional projects across Treasury engineering, compliance, operations, and risk teams to build stable and scalable systems and processes
Establish a compliant standard for retention, audit trails, and reporting across Treasury
Collaborate with product, compliance, design, and operations to ship thoughtful features for our customers and internal users
Feel a strong sense of product ownership and actively seek responsibility – we want someone excited to help shape and build Mercury’s future
Join a team of experienced and junior product engineers managing billions of dollars of customer assets

What we offer

base salary
equity (stock options)
benefits
reasonable accommodations throughout the recruitment process for applicants with disabilities or special needs

Fulltime

Senior Machine Learning Engineer

The Risk Onboarding team is working on efficiently reviewing customers’ applicat...

Location

United States; Canada , San Francisco; New York; Portland; Remote

Salary:

200700.00 - 250900.00 USD / Year

Mercury

Expiration Date

Until further notice

Requirements

7+ years of experience in roles like machine learning engineering, data engineering, backend software engineering, and/or devops
Expertise with: A full modern data stack: Snowflake, dbt, Fivetran, Airbyte, Dagster, Airflow
SQL, dbt, Python
OLAP / OLTP data modelling and architecture
Key-value stores: Redis, dynamoDB, or equivalent
Streaming / real-time data pipelines: Kinesis, Kafka, Redpanda
API frameworks: FastAPI, Flask, etc.
Production ML Service experience
Working across full-stack development environment, with experience transferable to Haskell, React, and TypeScript

Job Responsibility

Partner with data science & engineering teams to design and deploy ML & Gen AI microservices, primarily focusing on automating reviews
Work with a full-stack engineering team to embed these services into the overall review experience, including human in the loop, escalations, and feeding human decisions back into the service
Implement testing, observability, alerting, and disaster recovery for all services
Implement tracing, performance, and regression testing
Feel a strong sense of product ownership and actively seek responsibility – we often self-organize on small/medium projects, and we want someone who’s excited to help shape and build Mercury’s future

What we offer

equity
benefits

Fulltime