Software Developer, 2026 Leadership Development Program, Tokyo

Our Company

ION is the world’s most progressive FinTech company providing pioneering software and consultancy services to customers around the globe. We serve large financial institutions, trading firms, central banks, and corporations. We are committed to automating processes that positively impact our customer’s work and provide insights to enable more informed decision making. We provide software and data to our customers to simplify complex processes and digitize their businesses. Our products and services help the world's leading organizations do more, in a better and simpler way, than ever before.

ION software underpins the global fixed income, foreign exchange, and derivatives markets, powers the world’s central banks, and manages cash and risk for thousands of companies worldwide. ION data and analytics are the golden source for M&A, equity, and leverage finance bankers worldwide. With a dynamic team of 13,000+ employees, 50+ global offices, and 5,000+ customers worldwide, ION provides an unparalleled career experience for those who share our passion for growth and technology evolution.

ION Group consists of the following divisions:

· ION Analytics: Provider of investment banking M&A, equity and debt data, analytics, and content
· ION Commodities: Provider of energy and commodities trading and risk management solutions
· ION Markets: Provider of workflow solutions that automate the complete trade lifecycle and deliver actionable insights in real-time
· ION Treasury: Provider of unique treasury and risk management solutions that help clients manage liquidity of any scale while mitigating operational, financial, and reputational risk

Our Programme

Our Leadership Development Program (LDP) is a foundational global initiative focused on developing talent for ION’s growing operations around the world. The program provides an opportunity for outstanding college graduates to start a career in a dynamic and fast paced global FinTech firm.

Analysts will spend the first 18 months of their career in 3 diverse, 6-month rotations covering a broad range of ION's core capabilities. At the end of their 3 rotations analysts will transition to a deeper dive in one area of ION. Sample rotations / deep dives include:

· Product Strategy
· Product Management
· Business Intelligence and Data Analytics
· Product Implementation Services
· Consulting and Delivery Services
· Sales and Account Management
· Corporate Development
· Project Management

Leadership Development Program Analysts will explore various roles across multiple ION divisions. LDP is available in New York, Chicago, Houston, Toronto, Hong Kong, Singapore, Tokyo, and London.

Analysts will spend their first rotation contributing through a role in their home office. However, analysts may have the opportunity to spend their second or third rotations in another location.

What you'll do

In the role of Software Developer, you will develop products for our global customers including Tier 1 banks and Fortune 100 corporations. You will be part of an Agile team, who is responsible for end-to-end product development, including:
· Analyzing business requirements and product solutioning
· Architecture and designs using the latest principles and patterns in software engineering
· Coding, testing, and continuous integration of solutions using the latest and upcoming technologies

Your Contribution

· Build innovative products and solutions that:
○ Reduce business process complexity
○ Increase organizational efficiency through automation
○ Liberate people from performing repetitive manual tasks
○ Help ION's clients gain a competitive advantage by using our products
· Resolve complex technical and business issues and communicate effectively to Internal teams and ION clients
· Automate complex business workflows and processes and make a positive impact to client businesses

General Responsibilities

· Communicate effectively
· Prepare internal and client-facing presentations and analyses
· Take ownership of projects and manage deadlines
· Exercise attention to detail in all aspects of performance
· Multi-task and think critically under pressure
· Demonstrate creativity and innovation
· Think strategically
· Automate to simplify complex processes internally and for our customers

Basic Qualifications

· 2026 graduation
· 2:1 or above
· Bachelor’s, or Master’s, in Computer Science or related STEM majors, such as Data Science, or Quantitative Finance, with experience in hands-on programming required
· Demonstrated leadership potential both in and out of the classroom
· Passion for learning, self-improvement, and a questioning and challenging mindset
· Motivated self-starter who is proactive, enthusiastic, and passionate about what they do
· Strong problem-solving capabilities and the desire to understand the “why” behind each problem

How you'll grow

Upon completion of the rotational element of the Leadership Development Program, you will have a well-formed view of the FinTech industry. Through the rotational opportunities supported by continuous feedback, coaching, and mentoring, you will develop critical skills and professional capabilities fundamental to your career.

At ION we encourage our analysts to step outside their comfort zones. The LDP gives analysts the opportunity to identify their passions and cultivate their skills. Our goal is for you to complete the program equipped with sufficient knowledge and the potential to become future leaders.

Transitioning into your deep dive role, you will further explore your passions within ION.

Find your passion, build your skills, hone your execution excellence, and make a difference.

Basic Qualifications:
• 2026 graduation
• 2:1 or above
• Bachelor’s, or Master’s, in Computer Science or related STEM majors, such as Data Science, or Quantitative Finance, with experience in hands-on programming required
• Authorization to work in selected country without restriction or need for sponsorship
• Demonstrated interest in finance and/or technology, ideally including work experience
• Passion for learning, self-improvement, and a questioning and challenging mindset
• Motivated self-starter who is proactive, enthusiastic, and passionate about what they do
• Strong problem-solving capabilities and the desire to understand the “why” behind each problem

Application Process & Deadlines

Applications for 2026 open 14 January 2026.

Applicants that submit successful online applications will be required to complete online verbal and numerical reasoning assessments within 4 days of receiving the test link.

Successful applicants will subsequently be invited to a video interview.

The final part of the process is an assessment day consisting of interviews, a case study and a group exercise.

We review applications on a rolling basis and encourage you to apply as soon as you are ready because initial video interviews can occur prior to the application period closing.

We aim to notify you of your application status approximately one month after we receive your application.

Application deadline is 14 March 2026.