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Senior Blockchain Backend Engineer

2/26/2026

The role involves end-to-end development of features and systems utilized daily by internal and external key stakeholders. Responsibilities also include evolving the engineering architecture to support growing scale and delivering high-quality, maintainable, and testable code.

Working Hours

40 hours/week

Company Size

51-200 employees

Language

English

Visa Sponsorship

About The Company

Purpose-built to illuminate financial crime. Founded in 2020, IVIX is the first AI-powered platform designed specifically for governments to use open-source intelligence (OSINT) to address financial crime at scale. Led by tax, security, and tech experts, we built IVIX in partnership with authorities – for authorities. With off-the-shelf solutions for high-priority use cases such as eCommerce and Cryptocurrency, and powered by artificial intelligence and machine learning, IVIX delivers immediately actionable evidence of criminal and civil non-compliance (hiding in plain sight). With offices in Europe, U.S., and Asia, IVIX works with governments around the world.

About the Role

We're looking for a brilliant, hardworking, and super-motivated Senior Blockchain Backend Engineer to join our R&D crypto team. This is an excellent opportunity to directly impact feature decisions and our product's future. By joining us, you will be part of a dynamic and creative team and work in a friendly start-up environment — building end-to-end crypto intelligence capabilities across EVM chains and beyond.

About the company

IVIX is the first AI-powered solution designed specifically to address a $20 trillion problem: illuminating the global shadow economy. IVIX leverages Open-Source Intelligence (OSINT) and highly advanced, cutting-edge technologies to reveal illicit business activity around the world, empowering governments in their mission to fight financial crime and close the tax gap.

IVIX employs a variety of AI tools (deep neural networks, large language models, and predictive modeling) as well as advanced data analytics to rapidly pinpoint large-scale illicit business activity, so government authorities can combat financial crime in the digital age.

Led by security, tech, tax and financial crime experts, and advised by a diverse team of former IRS commissioners, IVIX works with dozens of state and federal governments globally.

About the postion

End-to-end development of features and systems used daily by key stakeholders, both internally and externally.
Evolve our engineering and architecture to support the ever-growing scale of users, features, and data.
Deliver testable, maintainable, and high-quality code
Our Stack - python, MongoDB, Kafka, Elastic Search, AWS, GCP, K8S, SQL.
Implement solutions to complex problems in large amounts of data and scale.
Equal Opportunity Employer

Requirements

5+ years of professional software development experience.
BSc. in CS, engineering, or equivalent.
3+ years of programming experience in Python.
Strong expertise in EVM-based blockchain networks, with proven experience working with Web3 frameworks and tools.
Experience with elastic search/ MongoDB /Kafka- an advantage
Experience in high-scale systems.
Self-learner, can-do solid attitude, and excellent interpersonal skills.

Key Skills

PythonMongoDBKafkaElastic SearchAWSGCPK8SSQLEVM ChainsWeb3 FrameworksData AnalyticsDeep Neural NetworksLarge Language ModelsPredictive Modeling