Uphold is a digital money platform founded in 2013 that lets people hold, trade and move between cryptocurrencies, national currencies, precious metals and equities from a single account. Its distinguishing feature is an anything-to-anything trading model, so a user can exchange Bitcoin directly for gold or euros in one step instead of routing through separate markets. Headquartered in New York with operations across Europe and Latin America, the company serves retail customers, offers staking and a debit card, and provides infrastructure to partner platforms through its business API.
HQ: New York, United States • Financial Services • FinTech • Blockchain & Crypto • Cryptocurrencies • Crypto Exchanges • 201-500 employees • Est. 2013
Senior • 5+ years exp • In office • Full-Time • Senior • English
C++
Go
Java
Python
Rust
Databases
PostgreSQL
InfluxDB
KDB+
TimescaleDB
AI/ML
NumPy
Pandas
SciPy
Time Series Forecasting
Web3
DeFi
Citi is a leading global financial services company headquartered in New York City, offering a broad range of banking, investment, and wealth management services to consumers, corporations, and institutions. As one of the world's largest banking institutions, it operates across more than 160 countries and jurisdictions, serving as a critical facilitator of global commerce. Through its primary consumer division, Citibank, alongside its institutional businesses, the company provides everyday banking, credit cards, capital markets solutions, and cross-border payment infrastructure worldwide.
HQ: New York, United States • Credit Cards • Financial Services • Banking • 1001-5000 employees • Est. 1900
$175k – $250k per year • Executive • 6+ years exp • Remote/Hybrid (New York, United States) • Master's Degree • Full-Time • Senior
C#
C++
Java
Python
SQL
C#
.NET
Databases
KDB+
DevOps
CI/CD
Docker
Kubernetes
≈ $97k – $208k per year (Estimated) • Executive • Remote/Hybrid (London, United Kingdom) • Master's Degree • Full-Time • Architect
Java
Python
Rust
Databases
KDB+
AI/ML
Edge AI
$142k – $213k per year • Executive • 5+ years exp • Remote/Hybrid (Jersey City, New York, United States) • Full-Time • Architect
Java
Databases
KDB+
DevOps
Ansible
CI/CD
Mindbox is a Warsaw technology company founded in 2007 and specialised in DevOps, cloud and application lifecycle tooling. It is a long-standing partner of Atlassian, GitLab and Red Hat in Central Europe and delivers migration and automation projects. The company also runs training and support services for engineering teams.
HQ: Warsaw, Poland • Financial Services • Artificial Intelligence • Information Technology • 1001-5000 employees • Est. 2007
Junior • Remote/Hybrid • Junior
Clojure
Haskell
MATLAB
Python
Scala
Wolfram
Databases
KDB+
AI/ML
Time Series Forecasting
Marketing
Mindbox
Remote/Hybrid
Bash
Python
Databases
KDB+
AI/ML
Time Series Forecasting
Anomaly Detection
DevOps
CI/CD
Git
Marketing
Mindbox
Barclays is a British multinational universal bank that provides a wide range of services, including retail banking, corporate and investment banking, and wealth management. Headquartered in London with a history spanning centuries, it operates as a major financial institution with a significant presence across the United Kingdom, Europe, the Americas, Africa, and Asia. The bank focuses on delivering comprehensive financial solutions and digital banking products to millions of individual and institutional clients globally.
HQ: London, United Kingdom • Investment Banking • Financial Services • Banking
≈ $91k – $178k per year (Estimated) • In office (London, United Kingdom) • Master's Degree • Full-Time
C++
Python
Databases
Apache Kafka
KDB+
Management
Linear
In office (Prague, Czech Republic) • Bachelor's Degree • Full-Time
Python
SQL
Databases
KDB+
AI/ML
Spark
State Street is a major American financial services and bank holding company headquartered in Boston, Massachusetts. As one of the world's largest custodian banks and asset managers, it provides comprehensive asset servicing, fund administration, foreign exchange, and investment management through its State Street Global Advisors division.
HQ: Boston, United States • Financial Services • Banking • Asset Management • 1001-5000 employees
≈ $90k – $192k per year (Estimated) • Executive • 5+ years exp • In office (London, United Kingdom) • Bachelor's Degree • Full-Time • Senior
Python
JavaScript
Node JS
Databases
KDB+
AI/ML
NumPy
Scikit-learn
Frontend
Babel
npm
Webpack
Yarn
DevOps
AWS
CI/CD
Shift-Left
SLURM
Cybersecurity
Shift-Left Security
QA
Cypress
$125k – $226k per year • Executive • 5+ years exp • In office (Princeton, United States) • Bachelor's Degree • Full-Time • Senior
Python
JavaScript
Node JS
Databases
KDB+
AI/ML
NumPy
Scikit-learn
Frontend
Babel
npm
Webpack
Yarn
DevOps
AWS
CI/CD
Shift-Left
SLURM
Cybersecurity
Shift-Left Security
QA
Cypress
≈ $87k – $175k per year (Estimated) • Executive • In office (Boston, United States) • Bachelor's Degree • Full-Time • Staff
C++
Java
Python
SQL
C++
STL
Databases
KDB+
AI/ML
CUDA
CUDA Toolkit
NumPy
OpenCL
Pandas
Time Series Forecasting
DevOps
CI/CD
Git
Management
Jira
Every question matters, every pathway, direction, thought process and conversation. Because every challenge makes us stronger, more knowledgeable, more determined and more valuable to our clients.
Belfast • London • Toronto • Dublin • New York • Investment Banking • Capital Markets • Financial Services
≈ $99k – $207k per year (Estimated) • Remote/Hybrid (Belfast, United Kingdom) • Full-Time • Senior
Java
Python
TypeScript
Databases
ClickHouse
KDB+
AI/ML
AI Agents
Claude
Claude Code
Copilot
Cursor
LLM
LLM Guardrails
Function Calling
Model Context Protocol
Time Series Forecasting
DevOps
CI/CD
HSBC is a global banking and financial services institution headquartered in London, United Kingdom, and was founded in 1865. The company provides a comprehensive range of services including corporate and institutional banking, global markets solutions, and specialized operational support through its global service center in Krakow. It operates in Poland through offices in Warsaw, Gdansk, and Katowice, focusing on supporting international trade and the expansion of both domestic and multinational corporate clients.
HQ: London, United Kingdom • Risk Management • Capital Markets • Investment Banking • Financial Services • Banking
$90k – $103k per year • Senior • In office (Kraków, Poland) • Full-Time • Senior
Java
Python
Databases
KDB+
DevOps
CI/CD
Cybersecurity
GDPR
MThree is an international technology workforce and talent solutions company that bridges digital skills gaps for enterprise organizations. Headquartered in London, United Kingdom, the firm specializes in a "Hire-Train-Deploy" model that recruits, trains, and places emerging talent and experienced IT professionals into client roles. Its platform provides tailored reskilling, upskilling, and workforce development programs in key areas such as artificial intelligence, software engineering, cybersecurity, and data analytics.
HQ: London, United Kingdom • Artificial Intelligence • 201-500 employees • Est. 2025
≈ $21k – $75k per year (Estimated) • Junior • In office (Budapest, Hungary) • Bachelor's Degree • Full-Time • Junior
C#
C++
Java
SQL
C#
.NET
Databases
KDB+
