Haskell Developer Job at Bellroy

Haskell Developer

Bellroy isn’t a software company that happens to make physical products. We’re a...

Location

Australia , Collingwood

Salary:

Not provided

Bellroy

Expiration Date

Until further notice

Requirements

Have spent 2+ years wielding Haskell or another functional programming language
Take pride in crafting code that's thoughtfully designed and built to last
Thrive in a cross-functional environment, collaborating with experts across product design, data science, logistics, and beyond
See your work as more than a paycheck - you're driven by the challenge of creating exceptional solutions
Have an insatiable curiosity for new ideas
Want to be part of a company that's using business as a force for good

Job Responsibility

Extending the capabilities of our bespoke e-commerce platform
Integrating with digital marketplaces around the world
Supporting the release of exciting new carry goods
Building an elegant platform to support our growth
Building features that not only work today but evolve gracefully tomorrow

What we offer

Learning budget
Culture of continuous learning through hack days, company-wide learning events, weekly Technology Team book clubs and mob programming sessions
Autonomy built into workflow

Senior Software Engineer - Reconciliation

In the heart of Switzerland, where the art of watchmaking has been perfected ove...

Location

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

Salary:

166600.00 - 208300.00 USD; CAD / Year

Mercury

Expiration Date

Until further notice

Requirements

3-7 years of backend development experience
Knowledge of or excitement to learn Haskell
Proficiency in SQL
Familiar with data pipelines and the manipulation of large amounts of data
Empathizes with users and can channel their perspective to build lovable products
Has made architectural decisions in the past and measured the impact of those decisions over time
Can clearly articulate technical opinions and lay out tradeoffs
Communicates and collaborates effectively with peers and cross-functional counterparts

Job Responsibility

Design and building out capabilities of our next-generation reconciliation platform
Collaborate with cross-functional teams to deliver thoughtful & cohesive solutions
Feel a strong sense of product ownership and actively seek responsibility
Work in an autonomous environment on a close-knit team
Develop empathy for both our internal and external partners in order to identify the best approach to solve the problem

What we offer

Equity (stock options)
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

Staff Software Engineer - Personal Banking

Work on Mercury Personal, a premium consumer banking service offering high-yield...

Location

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

Salary:

239000.00 - 298800.00 USD / Year

Mercury

Expiration Date

Until further notice

Requirements

7-10+ years of software development experience
Strong focus on the backend
Knowledge of or excitement to learn Haskell
Experience as a technical lead making architectural decisions
Ability to clearly articulate technical opinions and lay out tradeoffs
Passionately product-minded with experience building and shipping new products
Comfortable driving discussions in areas with ambiguous ownership
Approaches work with empathy
Ridiculously helpful, taking initiative to make coworkers' lives easier
Proactively shares knowledge and learnings through writings, 1:1s, and team meetings

Job Responsibility

Feel a strong sense of product ownership and actively seek responsibility
Set the technical vision and lead the charge on architectural decisions, system design, and engineering best practices
Collaborate closely with designers, product leaders, and other engineers to build new features and port existing business banking features
Work across organizational boundaries to coordinate dependencies, reduce friction, and enable teams to deliver complex initiatives

What we offer

Equity (stock options)
Competitive salary and equity ranges

Fulltime

Senior Full-Stack Engineer

At Mercury, we are committed to crafting an exceptional banking* experience for ...

Location

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

Salary:

166600.00 - 208300.00 USD / Year

Mercury

Expiration Date

Until further notice

Requirements

3-7 years of full-stack development experience
knowledge of or excitement to learn Haskell, React, TypeScript, and Redux
empathizes with users and can channel their perspective to build lovable products
can balance tradeoffs and find creative solutions to accomplish goals
communicates and collaborates effectively with peers and cross-functional counterparts

Job Responsibility

Feel a strong sense of product ownership and actively seek responsibility
work in an autonomous environment on a close-knit team
partner closely with designers and product leaders to ship lovable experiences
join a team of experienced product engineers within one of our Mercury product groups such as Banking, Experiences, Expansion, or Risk

What we offer

equity (stock options)
benefits

Fulltime

New

Haskell Developer

Bellroy isn’t a software company that happens to make physical products. We’re a...

Location

China , Shanghai

Salary:

Not provided

Bellroy

Expiration Date

Until further notice

Requirements

Have spent 2+ years wielding Haskell or another functional programming language
Take pride in crafting code that's thoughtfully designed and built to last
Are more interested in mastering your craft than climbing the management ladder
Thrive in a cross-functional environment, collaborating with experts across product design, data science, logistics, and beyond
See your work as more than a paycheck - you're driven by the challenge of creating exceptional solutions
Have an insatiable curiosity for new ideas, whether they come from technical blogs or philosophy podcasts
Want to be part of a company that's using business as a force for good

Job Responsibility

Tidied up loose ends from the project you just finished with another member of the team, and taken some time to make some of the code you wrote more elegant and maintainable
Joined the whole team in a retrospective of our last project cycle, and helped create a shortlist of continuous improvement tasks for us to prioritise
Taken part in our bi-monthly Hack Day event, and spent a day working on something that inspires you or fixing something that annoys you
Attended our weekly Functional Programming meet to discuss some new Haskell packages and conventions we’re thinking about using
Picked up some small but high value technical tasks to complete during our post-project cooldown period

What we offer

Learning budget
Culture of continuous learning through hack days, company-wide learning events, weekly Technology Team book clubs and mob programming sessions
Culture where intellectual honesty is expected
Autonomy built into workflow
Tools needed to turn great ideas into reality

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

Software Engineer - Product

At Mercury, we are committed to crafting an exceptional banking* experience for ...

Location

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

Salary:

122400.00 - 158400.00 USD / Year

Mercury

Expiration Date

Until further notice

Requirements

1-4 years of backend or full-stack development experience
Knowledge of or excitement to learn Haskell, React, TypeScript, and Redux
Passionately product-minded and has experience building and shipping new products
Empathizes with users and can channel their perspective to build lovable products
Can balance tradeoffs and find creative solutions to accomplish goals
Communicates and collaborates effectively with peers and cross-functional counterparts

Job Responsibility

Feel a strong sense of product ownership and actively seek responsibility
Work in an autonomous environment on a close-knit team
Partner closely with designers and product leaders to ship lovable experiences
Join a small but mighty team of experienced product engineers within one of our Mercury product groups

What we offer

Equity (stock options)
Benefits

Fulltime

Haskell Developer

Bellroy

Location:
Brazil

Category:
IT - Software Development

Contract Type:
Not provided

Salary:

Job Description:

Job Responsibility:

Requirements:

Nice to have:

Additional Information:

Job Posted:
January 05, 2026

Looking for more opportunities? Search for other job offers that match your skills and interests.

Similar Jobs for Haskell Developer

Haskell Developer

Senior Software Engineer - Reconciliation

Senior Software Engineer - Treasury

Staff Software Engineer - Personal Banking

Senior Full-Stack Engineer

Haskell Developer

Senior Machine Learning Engineer

Software Engineer - Product

Haskell Developer

Bellroy

Location:Brazil

Category:IT - Software Development

Contract Type:Not provided

Salary:

Job Description:

Job Responsibility:

Requirements:

Nice to have:

Additional Information:

Job Posted:January 05, 2026

Looking for more opportunities? Search for other job offers that match your skills and interests.

Similar Jobs for Haskell Developer

Haskell Developer

Senior Software Engineer - Reconciliation

Senior Software Engineer - Treasury

Staff Software Engineer - Personal Banking

Senior Full-Stack Engineer

Haskell Developer

Senior Machine Learning Engineer

Software Engineer - Product

Location:
Brazil

Category:
IT - Software Development

Contract Type:
Not provided

Job Posted:
January 05, 2026