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17.8K jobs
Affirm Backed by a16zBacked by LightspeedBacked by Founders Fund
74 views 3 days ago

Senior Software Engineer, Back-end (Fraud)

Open 104d RemoteEuropeSenior 6 questions Licensed UK sponsor — This employer appears on the GOV.UK register of licensed sponsors for the Skilled Worker and related work routes. The licence belongs to the employer and is not a commitment to sponsor this role.H-1B sponsor history — This employer has had H-1B petitions approved by USCIS in the last five fiscal years, per the USCIS H-1B Employer Data Hub. The approval belongs to the employer and is not a commitment to sponsor this role.
Poland
Remote Poland

Senior engineer builds and scales real-time fraud detection systems in Python/Kotlin for Affirm’s global markets, integrating risk vendors and AI tools while collaborating with cross-functional teams.

AI Airflow Analytics API AWS +14 skills
308K – 428K PLN
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Affirm Backed by a16zBacked by LightspeedBacked by Founders Fund
76 views 3 days ago

Senior Software Engineer, Back-end (Fraud)

Open 104d RemoteEuropeSenior 8 questions Licensed UK sponsor — This employer appears on the GOV.UK register of licensed sponsors for the Skilled Worker and related work routes. The licence belongs to the employer and is not a commitment to sponsor this role.H-1B sponsor history — This employer has had H-1B petitions approved by USCIS in the last five fiscal years, per the USCIS H-1B Employer Data Hub. The approval belongs to the employer and is not a commitment to sponsor this role.
Spain
Remote Spain

Senior Software Engineer building real-time fraud detection systems in Python/Kotlin for Affirm's global expansion, using AWS, Kubernetes, and AI tools to protect users and merchants.

AI Airflow Analytics API AWS +13 skills
86K – 122K €
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Affirm Backed by a16zBacked by LightspeedBacked by Founders Fund
87 views 3 days ago

Senior Software Engineer, Backend (Card Integrations and Payments Experience)

Open 88d RemoteEuropeSenior 8 questions Licensed UK sponsor — This employer appears on the GOV.UK register of licensed sponsors for the Skilled Worker and related work routes. The licence belongs to the employer and is not a commitment to sponsor this role.H-1B sponsor history — This employer has had H-1B petitions approved by USCIS in the last five fiscal years, per the USCIS H-1B Employer Data Hub. The approval belongs to the employer and is not a commitment to sponsor this role.
Spain
Remote Spain

Build and scale backend systems for Affirm’s next-gen credit cards, handling real-time transaction processing and ledgering in Python/Kotlin on AWS, Kubernetes, and MySQL.

Analytics AWS Kotlin Kubernetes MySQL +1 skills
86K – 122K €
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Affirm Backed by a16zBacked by LightspeedBacked by Founders Fund
55 views 3 days ago

Staff Software Engineer, Backend (Card)

Open 88d RemoteEuropeStaff 8 questions Licensed UK sponsor — This employer appears on the GOV.UK register of licensed sponsors for the Skilled Worker and related work routes. The licence belongs to the employer and is not a commitment to sponsor this role.H-1B sponsor history — This employer has had H-1B petitions approved by USCIS in the last five fiscal years, per the USCIS H-1B Employer Data Hub. The approval belongs to the employer and is not a commitment to sponsor this role.
Spain
Remote Spain

Lead backend engineer for Affirm’s EU card products, designing scalable transaction and ledgering systems in Python/Kotlin on AWS, while collaborating with global teams to modernize payments.

Analytics AWS Kotlin Kubernetes MySQL +1 skills
103K – 139K €
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Affirm Backed by a16zBacked by LightspeedBacked by Founders Fund
123 views 3 days ago

Analytics Engineer II, Full Stack (Revenue Analytics)

Open 73d RemoteEuropeContractMiddle 6 questions Licensed UK sponsor — This employer appears on the GOV.UK register of licensed sponsors for the Skilled Worker and related work routes. The licence belongs to the employer and is not a commitment to sponsor this role.H-1B sponsor history — This employer has had H-1B petitions approved by USCIS in the last five fiscal years, per the USCIS H-1B Employer Data Hub. The approval belongs to the employer and is not a commitment to sponsor this role.
Spain
Remote Spain

Builds and maintains scalable data products, dashboards, and semantic layers for Affirm’s revenue analytics, using dbt, SQL, and cloud tools to power decision-making and AI integration.

AI Analytics Automation Business Intelligence Cloud +14 skills
63K – 99K €
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Affirm Backed by a16zBacked by LightspeedBacked by Founders Fund
144 views 3 days ago

Software Engineer II, Backend (Card Integrations and Payments Experience)

Open 16d RemoteEuropeContractMiddle 8 questions Licensed UK sponsor — This employer appears on the GOV.UK register of licensed sponsors for the Skilled Worker and related work routes. The licence belongs to the employer and is not a commitment to sponsor this role.H-1B sponsor history — This employer has had H-1B petitions approved by USCIS in the last five fiscal years, per the USCIS H-1B Employer Data Hub. The approval belongs to the employer and is not a commitment to sponsor this role.
Spain
Remote Spain

Backend engineer on Affirm's Card Checkout team, building and operating the scalable systems behind the in-app Affirm Card checkout experience, with on-call duties. Core stack: Python or Kotlin, AWS, MySQL, Kubernetes. Remote within Spain; visa sponsorship available.

Analytics AWS Distributed Systems Kotlin Kubernetes +2 skills
73K – 109K €
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Affirm Backed by a16zBacked by LightspeedBacked by Founders Fund
70 views 3 days ago

Senior Software Engineer, Backend (Comms Core)

New RemoteEuropeSenior 8 questions Licensed UK sponsor — This employer appears on the GOV.UK register of licensed sponsors for the Skilled Worker and related work routes. The licence belongs to the employer and is not a commitment to sponsor this role.H-1B sponsor history — This employer has had H-1B petitions approved by USCIS in the last five fiscal years, per the USCIS H-1B Employer Data Hub. The approval belongs to the employer and is not a commitment to sponsor this role.
Spain
Remote Spain

Senior backend engineer on Affirm's Communications team building the high-availability platform that delivers billions of customer messages: designing multi-region, multi-tenant services, APIs, and third-party messaging vendor integrations, plus on-call participation. Stack: Python/Kotlin, AWS, MySQL, DynamoDB, Kubernetes. Remote within Spain.

AI Analytics API AWS Developer Experience +7 skills
86K – 122K €
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Affirm Backed by a16zBacked by LightspeedBacked by Founders Fund
118 views 3 days ago

Manager, Machine Learning Engineering, Checkout

New RemoteEurope, UK 8 questions Licensed UK sponsor — This employer appears on the GOV.UK register of licensed sponsors for the Skilled Worker and related work routes. The licence belongs to the employer and is not a commitment to sponsor this role.H-1B sponsor history — This employer has had H-1B petitions approved by USCIS in the last five fiscal years, per the USCIS H-1B Employer Data Hub. The approval belongs to the employer and is not a commitment to sponsor this role.
Remote Spain

Affirm is hiring an ML Engineering Manager (remote in Spain) to lead a team building the credit lending decision models for European and Australian markets. Day to day: setting technical strategy for the underwriting system, mentoring engineers, and partnering with product and risk, using ML techniques like tree-based models, transformers and deep learning.

Agentic AI Analytics Deep Learning Machine Learning Transformers
103K – 139K €
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Affirm Backed by a16zBacked by LightspeedBacked by Founders Fund
47 views 3 days ago

Senior Manager, Software Engineering (Card)

New RemoteEuropeSenior 8 questions Licensed UK sponsor — This employer appears on the GOV.UK register of licensed sponsors for the Skilled Worker and related work routes. The licence belongs to the employer and is not a commitment to sponsor this role.H-1B sponsor history — This employer has had H-1B petitions approved by USCIS in the last five fiscal years, per the USCIS H-1B Employer Data Hub. The approval belongs to the employer and is not a commitment to sponsor this role.
Spain
Remote Spain

Senior engineering manager leading Affirm's Cards teams in Spain and Poland, focused on integrations with card partners/processors and international card launches. Day to day: hiring, team culture, technical roadmap and architecture guidance, with a strong push on using AI to build fast.

119K – 155K €
Affirm Backed by a16zBacked by LightspeedBacked by Founders Fund
104 views 3 days ago

Senior Software Engineer, Fullstack (Repayments UX)

New RemoteEuropeSenior 8 questions Licensed UK sponsor — This employer appears on the GOV.UK register of licensed sponsors for the Skilled Worker and related work routes. The licence belongs to the employer and is not a commitment to sponsor this role.H-1B sponsor history — This employer has had H-1B petitions approved by USCIS in the last five fiscal years, per the USCIS H-1B Employer Data Hub. The approval belongs to the employer and is not a commitment to sponsor this role.
Spain
Remote Spain

Senior full-stack engineer on Affirm's Europe-based Repayment UX team, building and owning the user journeys through which 20M+ people repay over $40B in loans yearly. Day to day: leading delivery of quarterly goals, coding React/React Native frontends and Python/Kotlin backends, plus on-call support.

Agile Analytics Kotlin Python React +2 skills
86K – 122K €
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Affirm Backed by a16zBacked by LightspeedBacked by Founders Fund
128 views 3 days ago

Software Engineer II, Fullstack (Repayment UX)

New RemoteEuropeContractMiddle 8 questions Licensed UK sponsor — This employer appears on the GOV.UK register of licensed sponsors for the Skilled Worker and related work routes. The licence belongs to the employer and is not a commitment to sponsor this role.H-1B sponsor history — This employer has had H-1B petitions approved by USCIS in the last five fiscal years, per the USCIS H-1B Employer Data Hub. The approval belongs to the employer and is not a commitment to sponsor this role.
Spain
Remote Spain

Full-stack engineer on Affirm's Europe-based Repayment UX team, building and operating the journeys borrowers use to repay loans at scale. Backend work in Python or Kotlin with React/Vue web frontends, including on-call duties. Fully remote within Spain.

Agile Analytics Kotlin Python React +2 skills
73K – 109K €
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Affirm Backed by a16zBacked by LightspeedBacked by Founders Fund
80 views 3 days ago

Staff Software Engineer, Backend (Recoveries)

New RemoteEuropeStaff 8 questions Licensed UK sponsor — This employer appears on the GOV.UK register of licensed sponsors for the Skilled Worker and related work routes. The licence belongs to the employer and is not a commitment to sponsor this role.H-1B sponsor history — This employer has had H-1B petitions approved by USCIS in the last five fiscal years, per the USCIS H-1B Employer Data Hub. The approval belongs to the employer and is not a commitment to sponsor this role.
Spain
Remote Spain

Staff backend engineer on Affirm's Recoveries team, setting year-scale technical direction for the platform that recovers value from charged-off loans — partner integrations, payments, reconciliation, bankruptcy workflows, and customer-facing recovery experiences. Built with Python, Kotlin, AWS, MySQL, and Kubernetes; remote in Spain with an on-call rotation.

Analytics AWS Kotlin Kubernetes MySQL +3 skills
103K – 139K €
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Cubist Systematic Strategies
55 views 3 days ago

Data Engineer, Investment Services

Open 141d Europe 7 questions
Poland
Warsaw

Designs and maintains high-performance backend systems and data pipelines for AI-driven investment workflows, integrating generative AI and LLM solutions in a financial firm.

AI API CI/CD Cloud Data Engineering +16 skills
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Cubist Systematic Strategies
54 views 3 days ago

GenAI Security Engineer

Open 141d North America 10 questions
United States
New York, NY

Designs and enforces security controls for generative AI systems, including guardrails, threat modeling, and incident response, using Python/Go/Java and Kubernetes in a finance-focused tech environment.

Agentic AI Agile AI API Cloud +12 skills
225K – 300K $
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Cubist Systematic Strategies
58 views 3 days ago

Quantitative Researcher - Machine Learning

Open 141d North America 5 questions
United States
New York

Research and build ML-driven trading models using deep learning and NLP to forecast market behavior and enhance financial predictions.

Data Ingestion Deep Learning Machine Learning Neural Networks NLP +6 skills
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Cubist Systematic Strategies
57 views 3 days ago

Senior Data Engineer, Proprietary Research

Open 141d North AmericaSenior 10 questions
United States
New York

Senior Data Engineer builds and maintains big-data pipelines and cloud infrastructure to transform alternative datasets into investment research inputs using Python, Spark, and distributed systems.

Big Data Cloud Data Engineering Data Pipelines Data Science +2 skills
250K – 300K $
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Cubist Systematic Strategies
43 views 3 days ago

Software Engineer, Trading And Compliance Technology

Open 141d Europe 7 questions
Poland
Warsaw

Builds and maintains full-stack trading and compliance systems using Node.js, C#/.NET, React, and SQL Server, while leveraging cloud and containerized technologies in a financial firm.

Agile AI Angular Cloud C# +5 skills
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Cubist Systematic Strategies
37 views 3 days ago

It Operations Engineer, End User Computing

Open 135d North America 10 questions
United States
New York, NY

Maintains and supports end-user technology for a global investment firm, troubleshooting hardware/software issues, automating tasks, and ensuring high-performance collaboration tools for traders and analysts.

Agile AI Cloud Corrective Action PowerShell +1 skills
140K – 200K $
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Cubist Systematic Strategies
45 views 3 days ago

Network Engineer

Open 122d North America 10 questions
United States
New York, NY

Designs and operates high-performance, low-latency network infrastructure for a global hedge fund, using Cisco/Arista hardware, BGP/OSPF, VXLAN fabrics, and Python/Ansible automation.

Agile AI Ansible Arista Automation +15 skills
185K – 220K $
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Cubist Systematic Strategies
38 views 3 days ago

AI Product Analyst, Market Intelligence, Singapore

Open 94d APAC 7 questions
Singapore

Builds AI-powered research products for a hedge fund’s Market Intelligence team, turning data into actionable insights for investment professionals while ensuring compliance and measurable business impact.

Acceptance Criteria Analytics Automation Data Analytics Data Science +2 skills
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