ION Group
ION Group builds enterprise software for trading, treasury, and risk management used by banks, asset managers, corporations, and public-sector institutions. Its portfolio spans order and execution management, market data, and workflow automation delivered as licensed software and SaaS. Founded in 1998 and headquartered in London, the privately held company has expanded globally through acquisitions, including Fidessa, across fixed income, FX, derivatives, commodities, and treasury.
Open Positions at ION Group
24 open positions
Join ION’s 2027 Leadership Development Program as a Software Developer, building scalable software solutions and automating complex workflows for global financial-industry clients. You’ll collaborate with product teams and clients while developing expertise in distributed systems, financial technology, and the full software development lifecycle.
Lead the development of advanced Android applications for complex consumer banking experiences, including onboarding, account management, and money movement. This onsite New York role combines hands-on Kotlin development, mobile architecture, client collaboration, and technical leadership.
Lead the hands-on development of innovative native iOS and Android applications for major financial-services clients. You will own technical direction, guide engineers, and deliver large-scale consumer banking experiences in an on-site consulting environment.
Lead the technical direction and delivery of client-facing mobile projects, building large-scale Android and iOS banking experiences. This hands-on leadership role combines architecture, coding, team mentorship, and direct stakeholder collaboration.
Lead the technical direction and hands-on delivery of Android and iOS applications for major financial-services clients. You’ll guide engineers, shape architecture, and build modern consumer banking experiences in a client-facing, on-site NYC role.
Lead the technical direction and delivery of large-scale iOS and Android applications for major financial-services clients. This hands-on leadership role combines mobile development, architecture, client partnership, and team mentorship.
Lead the architecture and delivery of cloud infrastructure, automation, and DevOps workflows for enterprise applications, with a strong focus on AWS. This client-facing technical leadership role mentors engineering teams and drives modern cloud adoption.
Lead the design and hands-on development of a modern structured products trading platform for a global asset management client. This senior consulting role combines full-stack engineering, architecture, team leadership, and direct client partnership.
Principal iOS Engineer responsible for enhancing a flagship wealth management mobile platform for ultra-high-net-worth clients. The role combines hands-on native iOS development with direct client collaboration and product innovation.
Lab49 is seeking a senior developer who uses LLMs and agentic workflows as primary software-development tools to modernize complex enterprise systems. The role combines production engineering, client collaboration, and responsible AI-native delivery in regulated financial-services environments.
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