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Nice to have
5+ years of experience building and operating high-scale production systems
Strong proficiency in Rust and systems-level programming
Deep understanding of distributed systems, reliability engineering, and performance optimization
Experience operating services serving millions of users or high-throughput workloads
Familiarity with ML infrastructure, model serving, or MLOps in production environments
Experience designing observability, monitoring, and failure recovery systems
Strong collaboration skills working across infrastructure and applied engineering teams
High ownership mindset in high-stakes production environment
Experience building infrastructure for agent-based or LLM-powered systems
Background in high-performance networking, async systems, or low-latency architectures
Experience with container orchestration and cloud-native infrastructure
Familiarity with evaluation frameworks and model performance monitoring at scale
Experience working in fast-moving 0→1 or platform-building teams
Payward - the parent company behind Kraken, NinjaTrader, Breakout, xStocks, Payward Services and CF Benchmarks - has spent the last 15 years building one of the most modern and globally accessible financial infrastructure platforms in the industry, built to advance an open, global financial system.
Before you apply, we encourage you to explore our culture page to understand what drives us and how we work.
Design and build the infrastructure layer powering AI agent systems in production
Develop high-performance Rust services that handle model inference, orchestration, and execution
Architect scalable systems capable of supporting millions of users and high request throughput
Build reliable ML infrastructure and MLOps patterns for model deployment, evaluation, and monitoring
Define guardrails, observability, and failure handling for agent-driven workflows
Optimize latency, throughput, and cost across inference and orchestration layers
Partner closely with the Agent Systems team to translate experimental prototypes into hardened production systems
Contribute to foundational infrastructure decisions in a high-scale, high-impact environment
Unless a specific application deadline is stated in the job posting, applications are accepted on an ongoing basis.
Please note, applicants are permitted to redact or remove information on their resume that identifies age, date of birth, or dates of attendance at or graduation from an educational institution.
We consider qualified applicants with criminal histories for employment on our team, assessing candidates in a manner consistent with the requirements of the San Francisco Fair Chance Ordinance.
Payward is powered by people from around the world and we celebrate the diverse talents, backgrounds, contributions, and unique perspectives that everyone brings to the table. We hire based on merit, seeking out people with the right abilities, knowledge, and skills for the job. We encourage you to apply for roles where you don't fully meet the listed requirements, especially if you're passionate or knowledgeable about crypto.
We may ask candidates to complete job-related skills or work-style assessments as part of our hiring process. These assessments evaluate competencies relevant to the role and are applied consistently across candidates for similar positions. Results are considered alongside experience and interviews, and are not the sole basis for any employment decision.
As an equal opportunity employer, we don't tolerate discrimination or harassment of any kind, whether based on race, ethnicity, age, gender identity, citizenship, religion, sexual orientation, disability, pregnancy, veteran status, or any other protected characteristic as outlined by federal, state, or local laws.
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Talent screen
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An initial conversation about role fit, mission alignment, motivation and career ambitions.
Role specific interviews
With hiring manager, future teammates and key stakeholders
Interviews exploring your skills, experience and how you operate in context.
Practical exercise
A real-world case study aligned with your role.
Kraken is a global cryptocurrency exchange and digital asset platform founded in 2011, headquartered in San Francisco, USA. It is one of the largest and oldest crypto exchanges in the world, offering spot trading, futures, margin trading, and a range of digital asset services to retail and institutional clients. With a strong focus on security and regulatory compliance, Kraken operates across multiple jurisdictions and employs thousands of professionals globally.
In Spain, Kraken has a significant presence, with a growing team of engineers, product managers, designers, and data professionals. The company is known for its remote-first culture, which allows international talent to work from anywhere, including Spain. Kraken values autonomy, innovation, and a deep commitment to the crypto ecosystem, making it an attractive employer for professionals looking to work in a fast-paced, decentralized environment.
Founded in 2011, Kraken is one of the world's longest-standing crypto platforms, trusted by over 10 million individuals and institutions across the globe. It offers spot trading, margin, futures, staking, and OTC services, with products built for both individual investors and institutional clients.
The AI Infrastructure team builds and operates the production systems that power intelligent agents at scale. This team sits at the foundation of the agent platform, ensuring that model inference, orchestration, and execution layers are reliable, observable, and performant under real-world load.
Working closely with the Agent Systems team and broader infrastructure partners, this group owns the core primitives that enable agents to safely operate across internal systems. The environment is high-scale and high-stakes - systems serve millions of users and must meet strict reliability, latency, and correctness standards.
This is a deeply production-oriented team. Engineers here combine strong systems thinking with applied ML infrastructure experience, building in Rust and operating services where performance and failure modes matter.
or browse Backend·Senior·Remote·Crypto & Blockchain
As a Staff Brand Designer, you will set the visual standard for Kraken through 2D and 3D design. You will create scalable systems and high-quality assets for global campaigns.
A hands-on leader will own organic acquisition strategies for Kraken Pro. You will manage SEO, content, and partnerships to drive high-intent trader growth. This is a remote, full-time role.
You will concept, produce, and ship paid video assets for Kraken and Krak. The role involves using generative AI to create high-performing video content for social platforms.
Senior Software Engineer to build and own React Native features for a new mobile app targeting Asian markets.
This role involves designing and shipping social experiences for investing and trading. You will create interactive prototypes, manage product decisions, and use data to improve user engagement.
Senior Product Manager to lead the vision and roadmap for the payments platform. You will manage backend infrastructure and integration surfaces like APIs and SDKs.
This role owns the product roadmap for the financial crime investigation platform. You will manage requirements, automation, and AI integration for compliance workflows. The position is fully remote.
Build and ship AI-powered agent systems to automate internal workflows. You will design inference pipelines and architect backend services. This is a remote role based in Spain.
This role owns the end-to-end onboarding experience for Kraken Pro users globally. You will analyze funnel data and use AI tools to drive UX improvements and user activation.
Senior product manager owning growth marketing enablement for Kraken's consumer trading product.
You will lead and develop an engineering team focused on AI-driven growth infrastructure and tools.
Builds and operates Kraken's internal AI platform: integration gateway, spend controls, identity, and internal tooling. Also runs technical enablement and administers the enterprise AI estate.
€32k
US$80k - US$120k
€67k - €106k
Blue Card threshold🇬🇧€56k - €88k
Blue Card threshold🇬🇧€45k
Blue Card threshold
