CrawlJobs Logo
Harrington Starr Logo Harrington Starr · IT - Software Development

Java Electronic Trading Engineer – Front office

United Kingdom, London · Job Posted May 10, 2026
Apply Position
Job Link Share

Job Description

This is an unmissable opportunity for an experienced Java Electronic Trading Engineer to join one of the leading institutional digital asset firms in the market. With a global footprint and a platform spanning trading, asset management, custody and tokenisation, they are scaling out their London trading technology team to build the next generation of crypto trading systems. Excellent salaries and top benefits package in place to attract the best talent.

Job Responsibility

  • Build the next generation of low-latency crypto trading systems from the ground up
  • Develop core server-side Java components across order management, market connectivity, low latency messaging and price distribution
  • Work deep in the stack — performance profiling, optimisation and tuning under live trading conditions
  • Collaborate closely with front office traders, quants and product teams
  • Own issues end-to-end — from design through to production support
  • Contribute to the technical strategy of a fast-growing trading platform

Requirements

  • 10+ years of relevant Java development experience in a front office environment
  • Excellent core Java skills and exceptional knowledge of concurrency and multithreaded programming
  • Proven experience developing low latency pricing and trading systems in a Linux environment
  • Strong application performance profiling and optimisation skills
  • Experience working in a low latency, zero GC environment (eFX or similar a strong plus)
  • Knowledge of institutional encodings (FIX, SBE) and low latency messaging (e.g. Aeron, 29West)
  • Familiarity with fault tolerant, high availability, distributed computing
  • Crypto / digital asset experience or genuine curiosity about the space
  • A right to work in the UK without sponsorship

What we offer

  • Discretionary bonus and equity / share schemes
  • Company-paid health and protective benefits for you and your dependents
  • Access to continuous learning, mentoring and personal growth
  • Free virtual coaching and counselling sessions
  • Hybrid working with a strong London office presence
  • Smart, entrepreneurial colleagues at the cutting edge of digital assets
Harrington Starr - All Job Offers

Looking for more opportunities?

Search for other job offers that match your skills and interests.

Suggested Tags: Frontend Developer Secretary Talent Manager Salesforce Administrator Data Analyst
Similar Jobs for

Java Electronic Trading Engineer – Front office

8 matching positions

Java Front Office Developer

URGENTLY hiring 2 NEW headcounts of FO Java Developers in Hong Kong for our inve...
Location
Location
Hong Kong , Hong Kong
Salary
Salary:
Not provided
nicollcurtin.com Logo
Nicoll Curtin
Expiration Date
Until further notice
Flip Icon
Requirements
Requirements
  • Front office experience with at least 5 years in a similar role
  • Experience in trading environments, especially with fixed income, equity derivatives, or electronically traded assets
  • Strong Java programming skills, especially in low-latency approaches and efficient coding techniques
  • Willingness to learn new technologies and adapt to changing business needs
  • Ability to build strong relationships with internal clients and effectively communicate ideas
  • Strong planning skills and ability to manage multiple tasks under pressure
Job Responsibility
Job Responsibility
  • Lead projects, ensuring timely delivery of high-quality solutions for latency-sensitive trading algorithms
  • Design and support front-office trading applications, working with business users to turn complex requirements into effective solutions
  • Implement software engineering practices to maintain the quality, security, reliability, and compliance of solutions
  • Work within a global team to enhance Quoting applications, monitor system health, resolve incidents, and address root causes of issues
  • Share knowledge and support junior team members, contributing to a positive engineering culture
Read More
Arrow Right

Electronic Trading Architect

This engagement sits at the sharp end of institutional trading technology. The c...
Location
Location
United Kingdom , Amsterdam
Salary
Salary:
600.00 EUR / Day
harringtonstarr.com Logo
Harrington Starr
Expiration Date
Until further notice
Flip Icon
Requirements
Requirements
  • Deep sell-side experience in electronic trading infrastructure
  • Strong hands-on background with FIX connectivity (ULLink, Onix FIX or equivalent)
  • Proven experience designing market-making and hedging algorithms
  • Low-latency systems expertise (Java, GC tuning, memory management, threading)
  • Ability to operate autonomously in senior advisory environments
  • Comfortable presenting technical decisions to trading and senior stakeholders
Job Responsibility
Job Responsibility
  • Own the end-to-end FIX adapter migration strategy from legacy ULLink into Onix FIX
  • Define architecture and execution logic for market-making, hedging and risk algorithms
  • Act as the authority on FIX connectivity, latency optimisation and order routing
  • Influence how trading engines are structured, benchmarked and deployed
  • Set standards for algorithm design, testing and performance validation
  • Work directly with front-office stakeholders to align technology with trading intent
  • Provide architectural direction without needing internal sign-off or escalation
What we offer
What we offer
  • Direct influence on live trading architecture and execution performance
  • High-trust advisory role
  • Close access to senior trading and quant leadership
  • Fully remote with CET / SAST overlap
  • Clear scope, urgency and decision-making authority
  • Fulltime
Read More
Arrow Right

Lead Engineer - Fixed Income, Algo Engineer

The Fixed Income Technology group is a global team responsible for the design, d...
Location
Location
France , Paris
Salary
Salary:
113200.00 - 186800.00 EUR / Year
https://www.citi.com/ Logo
Citi
Expiration Date
Until further notice
Flip Icon
Requirements
Requirements
  • Extensive professional software development experience, with a significant portion in a front-office role focused on low-latency Algo trading or order management systems
  • Deep understanding of Fixed Income products, electronic trading concepts, market data, and the trade lifecycle
  • Expert-level proficiency in Java or Rust, with a strong emphasis on performance-critical, low-latency programming
  • Proven experience in the design, development, and maintenance of cross-asset order management systems (OMS)
  • Demonstrable expertise in building and optimizing low-latency pricing, hedging and execution systems
  • Solid hands-on experience in integrating with and managing vendor connectivity (e.g., Redline, ION)
  • Strong knowledge and practical experience in designing and implementing robust pricing, hedging and execution systems for ultra-low-latency environments
  • Strong knowledge of high-performance messaging middleware (e.g., Aeron, Solace) and low-latency data handling techniques
  • Proven experience designing and building complex, distributed, and fault-tolerant systems
  • Experience with modern development tools, including Git, Jenkins, and containerization technologies (e.g., Docker, OpenShift)
Job Responsibility
Job Responsibility
  • Lead the architectural design and development of high-performance, low-latency Algo platform including pricing, hedging and execution systems for Fixed Income products
  • Engage in active, hands-on coding in Java or Rust, contributing to the core codebase and setting the standard for quality, performance, and reliability
  • Define and drive the long-term technology vision for the order management platform, ensuring it is scalable, resilient, and aligned with business goals
  • Design, implement, and optimize trading workflows for ultra-low latency, ensuring minimal processing time from order receipt to execution
  • Partner closely with front-office traders, quantitative analysts, and product managers to understand business requirements and translate them into robust technical solutions
  • Mentor and coach junior and mid-level engineers, fostering a culture of technical excellence, innovation, and continuous learning
  • Act as a senior escalation point for resolving complex production issues, ensuring the stability and integrity of the trading platform
What we offer
What we offer
  • Hybrid working model (2 days from home)
  • Fulltime
Read More
Arrow Right

Core Java Backend Lead - Vice President

Working at Citi is far more than just a job. A career with us means joining a te...
Location
Location
India , Pune
Salary
Salary:
Not provided
https://www.citi.com/ Logo
Citi
Expiration Date
Until further notice
Flip Icon
Requirements
Requirements
  • 10+ years of programming experience with an object-oriented language (preferably Java), including multi-threading concepts and relational databases
  • Solid architectural understanding of enterprise applications
  • Strong grasp of computer science fundamentals: concurrency, algorithms, data structures, design patterns, etc
  • Demonstrated experience leading a development team of significant size for large-scale projects, delivering complex solutions effectively
  • Experience with Java Core, Spring framework, and Linux
  • Demonstrated experience developing large financial software trading systems with significant hands-on development in optimizing and tuning performance, coupled with critical thinking skills related to re-use, scalability, and troubleshooting
  • Experience delivering solutions with ION Trading, Transficc, or other recognized connectivity vendors
  • Strong Fixed Income Financial Products knowledge (e.g., government/corporate bonds, ETFs, Interest Rate Swaps, Broker/Customer Markets electronic trading flows) to effectively translate business requirements into technical solutions
  • Experience with KDB
  • Proficiency in modern software development practices such as Agile development, Test-Driven Development (TDD), Continuous Integration (CI), and Continuous Delivery (CD)
Job Responsibility
Job Responsibility
  • Design and develop front office eTrading applications for the trading business
  • Lead and mentor development team members, including conducting thorough PR reviews and providing expert technical advice and guidance
  • Collaborate directly with Traders, Sales, and Quants to define the future direction of the platform
  • Leverage creativity and innovation to enhance the platform's technical capabilities, ensuring stability, flexibility, and maintainability
  • Drive engineering standards and best practices across the team
  • Enhance automated testing efforts and optimize the User Acceptance Testing (UAT) process
  • Serve as an advisor or coach to new or junior analysts, fostering their professional growth
  • Troubleshoot challenging performance and scalability issues, providing leadership in problem resolution
  • Engage with business users in APAC and across Europe (e.g., London, Paris, Milan) to understand requirements and deliver solutions
  • Actively contribute to and lead global critical initiatives, collaborating with global teams to drive strategic technical projects
  • Fulltime
Read More
Arrow Right

Svp Lead Engineer - Fixed Income, Low Latency Engineer

Location
Location
United Kingdom , London
Salary
Salary:
Not provided
https://www.citi.com/ Logo
Citi
Expiration Date
Until further notice
Flip Icon
Requirements
Requirements
  • Expert-level proficiency in C++ or Rust, with a strong emphasis on performance-critical, low-latency programming
  • Proven experience in the design, development, and maintenance of cross-asset order management systems (OMS)
  • Demonstrable expertise in building and optimizing low-latency matching engines
  • Solid hands-on experience in integrating with and managing vendor market data feed handlers (e.g., Redline, Exegy)
  • Strong knowledge and practical experience in designing and implementing robust market data distribution systems for ultra-low-latency environments
  • Deep, practical knowledge of the FIX protocol, including session management, order flow, and execution reporting
  • Strong knowledge of high-performance messaging middleware (e.g., Kafka, Solace) and low-latency data handling techniques
  • Proven experience designing and building complex, distributed, and fault-tolerant systems
  • Experience with modern development tools, including Git, Jenkins, and containerization technologies (e.g., Docker, OpenShift)
  • Demonstrable experience leading software projects, mentoring engineers, and making key architectural decisions
Job Responsibility
Job Responsibility
  • Lead the architectural design and development of high-performance, low-latency order management and execution systems, matching engines, and market data distribution systems for Fixed Income products
  • Engage in active, hands-on coding in Java, C++ or Rust, contributing to the core codebase and setting the standard for quality, performance, and reliability
  • Define and drive the long-term technology vision for the order management platform, ensuring it is scalable, resilient, and aligned with business goals
  • Design, implement, and optimize trading workflows for ultra-low latency, ensuring minimal processing time from order receipt to execution
  • Develop and maintain FIX protocol connectivity with various internal and external trading venues, ensuring robust and compliant communication
  • Partner closely with front-office traders, quantitative analysts, and product managers to understand business requirements and translate them into robust technical solutions
  • Mentor and coach junior and mid-level engineers, fostering a culture of technical excellence, innovation, and continuous learning
  • Act as a senior escalation point for resolving complex production issues, ensuring the stability and integrity of the trading platform
  • Fulltime
Read More
Arrow Right

Kdb And Python Developer

Embark on a transformative journey with Barclays as a KDB Developer, helping red...
Location
Location
Singapore , Singapore
Salary
Salary:
Not provided
barclays.co.uk Logo
Barclays
Expiration Date
Until further notice
Flip Icon
Requirements
Requirements
  • Extensive experience with KDB+/Q, including tick architecture, CEP development, data simulation, and database design
  • Strong Python engineering skills, including building services, data tooling (ideally with PyKX), automation, and integration with KDB environments
  • Expertise in low-latency systems and optimising queries for large-scale time-series data
  • Experience within front-office or electronic trading systems
  • Solid understanding of Agile and SDLC practices, with hands-on experience in tools such as Maven, Java, Git, TeamCity, Jira, and Confluence
Job Responsibility
Job Responsibility
  • Design, develop and improve software using various engineering methodologies
  • Development and delivery of high-quality software solutions using industry aligned programming languages, frameworks, and tools
  • Cross-functional collaboration with product managers, designers, and other engineers
  • Collaboration with peers, participate in code reviews
  • Stay informed of industry technology trends and innovations
  • Adherence to secure coding practices
  • Implementation of effective unit testing practices
What we offer
What we offer
  • Competitive holiday allowance
  • Life assurance
  • Private medical care
  • Pension contribution
  • Fulltime
Read More
Arrow Right

Software Engineer

Join the Rates Electronic Trading Technology team to contribute to the developme...
Location
Location
Japan , Tokyo
Salary
Salary:
Not provided
barclays.co.uk Logo
Barclays
Expiration Date
Until further notice
Flip Icon
Requirements
Requirements
  • Experience developing front‑office electronic trading systems, ideally within Rates or other capital markets
  • Proven ability to create low‑latency, high‑throughput applications using Java and/or C++
  • Solid understanding of electronic trading workflows and operating resilient systems in a regulated environment
  • Legal Right to Work in the role's location
  • Experience with Rates products (government bonds, swaps, futures), market connectivity, pricing, execution, trading controls, or working on large in‑house platforms or vendor replacement initiatives is an advantage
  • Key critical skills: mathematics, finance, programming, risk and controls, change and transformation, business acumen, strategic thinking
Job Responsibility
Job Responsibility
  • Design, develop and improve software that provides business, platform, and technology capabilities
  • Development and delivery of high-quality, scalable, maintainable, and performance-optimized software solutions
  • Cross-functional collaboration with product managers, designers, and other engineers to define requirements and ensure alignment with business objectives
  • Collaborate with peers, participate in code reviews, and promote a culture of code quality and knowledge sharing
  • Stay informed of industry technology trends and contribute to technology communities
  • Adherence to secure coding practices
  • Implementation of effective unit testing practices
  • For Assistant Vice President level: Advise and influence decision making, contribute to policy development
  • Lead a team performing complex tasks, set objectives, coach employees
  • Demonstrate leadership behaviours (Listen and be authentic, Energise and inspire, Align across the enterprise, Develop others)
What we offer
What we offer
  • Competitive holiday allowance
  • Life assurance
  • Private medical care
  • Pension contribution
  • Modern workspaces with collaborative areas
  • Wellness rooms
  • On-site cafeterias
  • Fitness centers
  • Tech-equipped workstations
  • Mental health support
  • Fulltime
Read More
Arrow Right

Full Stack Engineer

This role sits inside an algorithmic trading team working on a greenfield platfo...
Location
Location
United Kingdom , London
Salary
Salary:
120000.00 GBP / Year
weareorbis.com Logo
Orbis Consultants
Expiration Date
Until further notice
Flip Icon
Requirements
Requirements
  • 1–3 years software engineering experience
  • Front-office trading or electronic trading experience (required)
  • Strong backend fundamentals (Python, Go, Java or similar)
  • Some frontend exposure (React or similar)
  • High ownership mindset
Job Responsibility
Job Responsibility
  • Building and shipping full-stack features across front-office trading systems
  • Working directly with traders, quants, and researchers
  • Turning loosely defined problems into working solutions
  • Owning features from idea to production
  • Moving quickly and prioritising execution over perfection
What we offer
What we offer
  • 20–50% bonus
  • Fulltime
Read More
Arrow Right