Junior Java Software Developer
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Before you apply
LocationLondon, England, United Kingdom
Typefull-time
SeniorityEntry
Experience2+ yrs
DepartmentDigital
Company size51–200 people
PostedSep 29, 2026 · 1mo ago
Verified live1d ago
At a glanceSummarised by Seekless from the posting.
2+ years of professional software engineering experience
Practical experience developing in Java or Kotlin in a professional environment
Functional understanding of distributed systems concepts
Sound understanding of software engineering fundamentals, including object-oriented programming, testing, and version control
Experience debugging and improving existing code and developing new functionality
Strong problem-solving and analytical skills
A self-starter who takes initiative, works independently on well-defined tasks, and seeks support when needed
Strong communication and collaboration skills
Interest in learning about real-time, event-driven, and high-availability systems
Commercial Kotlin experience
Previous experience within financial services, trading, banking, hedge funds, or fintech
Experience within cryptocurrency or digital assets
Knowledge of crypto exchanges, trading venues, protocols, or market infrastructure
Experience developing collateral, position, accounting, market data, or reference data systems
Experience with Python
Experience with Apache, Kafka or other event streaming technologies
Experience using AI-assisted software development tools
Understanding of traditional financial instruments and financial market infrastructure
Skills
Java
Kotlin
Python
Apache
Kafka
AI-assisted development tools
Benefits
Performance bonus
Private medical insurance
Dental insurance
Life insurance
Income protection
Critical illness cover
Employee assistance programme
Pension scheme
Maternity leave
Paternity leave
Parental leave
Childcare benefits
Cycle to work scheme
Charity giving
Wellbeing budget
Social events
About Fasanara
Founded in 2011, Fasanara is a global asset manager and technology platform.
We manage c. USD 6 billion AUM (as of December 31, 2025) in Fintech strategies on behalf of pension funds and insurance companies in Europe and North America.
With c.110 employees globally, we are a pioneer investor in Fintech Lending, enabling Real Economy Impact.
Fasanara manages the largest and longest standing Fintech Lending fund in Europe and invests in early-stage Fintech companies via its venture capital vehicles, using its central role in the Fintech ecosystem to identify and back revolutionary new businesses.
Our Culture
We are strong believers in meritocracy, and we seek to reward people based on impact and excellence. There is no bureaucracy, typical of large organisations. The environment is collaborative, entrepreneurial, and trust based. We set ambitious goals, work extremely hard, stress the importance of teamwork, and adhere to the highest level of excellence in everything we do. We are only as good as our team. Thus, we are building the firm around exceptional talent.
The role
We are looking for a Junior Java Software Developer to join Fasanara Digital and contribute to systems supporting our 24/7 trading activity, with guidance from experienced engineers.
The role will focus on contributing to the development and maintenance of our multi-venue collateral management platform, alongside new reference data and accounting infrastructure supporting both digital assets and traditional financial markets.
This is a hands-on engineering role within a small, high-performing team, with opportunities to learn from experienced colleagues. You will work on well-defined tasks across both new development and existing production systems, helping to build new functionality and maintain and improve established code. We are looking for a self-starter who takes initiative, follows through on tasks, and asks for guidance when needed.
Experience in financial services, trading, banking, or digital assets is welcome but not required. We are interested in candidates with a solid foundation in Java development and a willingness to learn about our systems and markets.
Responsibilities
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Help develop, maintain, and enhance our multi-venue collateral management system supporting 24/7 trading activity, with guidance from experienced engineers.
•
Contribute to improvements in distributed, real-time, and event-driven systems, learning how to support their reliability and availability.
•
Help build and maintain integrations with trading venues to source account, position, collateral, and other operational data.
•
Assist with implementing reference data frameworks and accounting pipelines supporting both traditional financial instruments and digital assets.
•
Develop primarily in Java and Kotlin, following established patterns and participating in code reviews and technical discussions.
•
Maintain, debug, and improve existing production code alongside developing new functionality, with support and code review from the team.
•
Take initiative on well-defined tasks, follow through on agreed work, and raise questions or blockers promptly.
•
Work closely with experienced engineers to understand business requirements and contribute to practical technical solutions.
•
Use modern AI-assisted development tools to improve engineering productivity and software quality.
Requirements
Technical Requirements
•
2+ years of professional software engineering experience.
•
Practical experience developing in Java or Kotlin in a professional environment.
•
Functional understanding of distributed systems concepts and an interest in developing practical experience.
•
Interest in learning about real-time, event-driven, and high-availability systems; prior exposure is helpful but not required.
•
Sound understanding of software engineering fundamentals, including object-oriented programming, testing, and version control.
•
Experience debugging and improving existing code and developing new functionality, with guidance when needed.
•
Strong problem-solving and analytical skills.
•
A self-starter who takes initiative, works independently on well-defined tasks, and seeks support when needed.
•
Strong communication and collaboration skills.
Desired Skills
Nice to have
•
Commercial Kotlin experience.
•
Previous experience within financial services, trading, banking, hedge funds, or fintech.
•
Experience within cryptocurrency or digital assets.
•
Knowledge of crypto exchanges, trading venues, protocols, or market infrastructure.
•
Experience developing collateral, position, accounting, market data, or reference data systems.
•
Experience with Python.
•
Experience with Apache, Kafka or other event streaming technologies.
•
Experience using AI-assisted software development tools.
•
Understanding of traditional financial instruments and financial market infrastructure.
Benefits
Our benefits include:
•
Performance-related Bonus Scheme
•
Private Medical & Dental Insurance through Bupa (including children’s cover)
•
Life Insurance, Income Protection & Critical Illness Cover
•
Employee Assistance Programme (EAP)
•
Salary sacrifice pension with Hargreaves Lansdown (currently matched up to 10%)
•
Enhanced Maternity & Paternity Leave
•
Emergency Parental Leave, Emergency Childcare & Nursery Benefit
•
Cycle to Work Scheme
•
Charity Giving through CAF
•
Annual Wellbeing Budget
•
Team socials, annual Summer & Christmas parties, and other events throughout the year