1 to 25 of 50 FIX Protocol Jobs in the South East

Skills: Technical Account Manager, TAM, EMS, OMS, PMS, Execution Management System, Portfolio Management System, Order Management System, Electronic Trading Workflows, Equities, Fixed Income, Derivatives, FIX, FIX Protocol, Linux, BuySide, Front Office Overview: Our client, a leading provider in Buy-side and hedge fund technology, offers a cutting … apply now. Technical Account Manager, TAM, EMS, OMS, PMS, Execution Management System, Portfolio Management System, Order Management System, Electronic Trading, Equities, Fixed Income, Derivatives, FIX, FIX Protocol, Linux, BuySide, Front Office More ❯

Referment is partnering with a top-performing hedge fund that is seeking a Software Engineer with strong FIX connectivity experience to join their high-calibre Engineering team. This is an exciting opportunity to contribute to a world-class trading environment that values autonomy, innovation, and technical excellence. You will … of developers, building and supporting tools that underpin the fund's trading and investment workflows, with a particular focus on trading systems integration and FIX protocol. This is a highly visible role, working closely with traders, portfolio managers, and other stakeholders to deliver robust solutions across the full SDLC. … Technologies & Platform Core platform: .NET (C#), SQL Server, KDB+. UI: WPF desktop. Scripting/strategy layer: Python. Messaging and connectivity: FIX protocol, REST APIs. Key Responsibilities For The Role Include Lead the implementation and enhancement of FIX connectivity solutions for trade execution and post-trade workflows. Collaborate More ❯

The Role: The FIX Connectivity Engineer works part of a global operations team responsible for on-boarding and maintaining services for buy-sides/sell-sides on ION's FIX Network at an application level. These buy-sides/sell-sides use both ION trading solutions as well … application level connections between clients on the ION network To analyse, implement and certify new client/services on the ION network using the FIX protocol To liaise with clients, third party vendors, and internal teams regarding FIX-based projects To offer 3rd line support to the More ❯

. Proven track record building real-time , low-latency , multi-threaded trading systems . Experience with exchange connectivity protocols (e.g., ICE, CME) Experience with FIX protocol/Connections (including FIX session and application layer development). Deep understanding of market data systems - acquiring, parsing, and manipulating data More ❯

Skills Desired: Interest in developing systems for automated market making, DMA or algo trading group in liquid markets (equities, FX, liquid rates, etc.) using FIX protocol Experience with web service development, REST, TypeScript knowledge with preferably Angular framework Experience with low-latency messaging Middleware pub/sub technologies. More ❯

focusing on low-level performance tuning, multithreading , and garbage collection optimization . FIC or similar business knowledge: Strong understanding of FIC markets Experience with FIX protocol , SBE Market Data Feeds (e.g., Refinitiv, Bloomberg), and LP connectivity . Real time Messaging Systems: Experience with low-latency messaging technologies such … as Solace . Linux based systems, CI/CD pipelines, GitHub Actions, MyBatis, Maven Advanced experience with FIX Engines/Routers (Raptor, Catalyst, Chronicle, or similar tools). Distributed Systems: Experience with distributed computing , clustering , and scalability strategies . Soft Skills: Excellent communication and interpersonal skills to work effectively More ❯

and troubleshooting FAQs. • Resolve complex application and technical problems. • Debugging the system and fixing the production related issues. • Escalate/follow-up on permanent fix for development related issues. • Lead incident response efforts and post-mortem analysis to prevent future occurrences. • Handles complex operational tasks and recommends process and … services. • Strong experience in scripting language like Power shell, Python and SQL. • Strong Knowledge of monitoring tools – Nagios, Splunk, OTEL, Datadog • Strong Knowledge of FIX protocol • Strong Domain skills - Must have working experience in Capital Markets across modules and instruments especially – CASH, ETS, Bonds, Options, Futures, Swaps products More ❯

distributed systems. Strong communication skills and ability to collaborate with business stakeholders. Interest or experience in financial products (FX, Derivatives, Options) and familiarity with FIX Protocol, FpML, or similar financial models is a plus. More ❯

design patterns and a strong grasp of software design principles . Experience working with low-latency/high-throughput messaging platforms . Familiarity with FIX API for exchange and venue connectivity is desirable. Exposure to relational and time series databases and proficiency in SQL/Q is advantageous. Scripting More ❯

each platform and colleagues overseas Extensive experience with Python (3.x), including multi-threading and performance tuning Knowledge/Experience of implement software using the FIX protocol Knowledge/Experience of implement software using Java (Spring framework) Experience with Unix or Linux scripting Experience with testing frameworks, including Agile More ❯

testing framework Qualifications/Experience: Extensive experience with Python (3.x), including multi-threading and performance tuning Knowledge/Experience of implement software using the FIX protocol Knowledge/Experience of implement software using Java (Spring framework) Knowledge of the cash equities trading area including European market structure is More ❯

with who is eager to deepen their expertise in electronic trading operations across Equities and FX. Key responsibilities include: Managing client onboarding, account setup, FIX connectivity, and guiding certification processes. Monitoring live trading activity, platform performance, and ensuring smooth order and trade lifecycle events. Supporting regulatory and compliance workflows … years in trading operations or client support at an MTF, trading venue, or trading firm. Knowledge of European equities and FX markets. Familiarity with FIX protocol, market data feeds, and trading systems. Strong analytical and troubleshooting skills. Excellent communication skills. Experience with SQL, Grafana, or scripting languages like More ❯

Core Java 17+ Advanced low-latency development techniques (zero GC, copy-free) Performance tuning at JVM level, garbage collection (GC) , and OS-level optimization FIX protocol Experience with low-latency messaging technologies : Aeron, SBE, Protobuf, Agrona, Chronicle Functional understanding of financial markets, especially: FX products : Spot, Forward, NDF More ❯

handle high-pressure situations and make quick, informed decisions. Excellent communication skills and a proactive, problem-solving mindset. Prior experience with market data feeds, FIX protocol, or trading exchanges is a plus. More ❯

for 3rd line support Build and maintain automated/manual portal testing suite Create and maintain both client facing and internal technical documentation (Eg. FIX specs, Regulatory specs, Confluence pages, etc) Integrate internal systems across regions and maintain system configurations Requirements Bachelor’s Degree in Business, Finance, or Computer … financial markets and technology Ability to work in a fast-paced environment Strong computer skills and excellent organisational skills 3-5 years’ experience in FIX protocol Must be knowledgeable with Windows & Linux OS platforms, command line Candidate must have outstanding verbal and written communication skills, and demonstrate command More ❯

interfacing with multi-disciplinary teams. Nice to Have: Experience with Redis, Kafka, or similar real-time streaming/data platforms. Familiarity with financial APIs, FIX protocol, or trading exchange integrations. Education: Bachelor’s or Master’s degree in Computer Science, Engineering, Mathematics, or a related field. What We More ❯

we are looking for: 10-15 years hands-on Java experience. Experience building FX trading applications. Experience within High Frequency Trading environments. Understanding of FIX protocol, Low Latency & binary protocols for market data. Benefits details: 25 annual leave days + bank holidays. Performance bonus (20%+) 5% non More ❯

years of experience in financial markets derivatives or trading technology Strong understanding of OTC Options RFQ workflows and electronic trading platforms Experience working with FIX protocol CitiVelocity and structured product booking mechanisms Proficiency in business analysis techniques requirement gathering and stakeholder communication Ability to work in fastpaced environments More ❯

understating of a Windows environment, including Powershell, SQL Experience in a financial services firm/institution, ideally banking, investment banking and brokers. Knowledge in FIX messaging Knowledge of market connectivity protocols for key global derivative, commodity, cash and equity markets, Fixed Income and Prime Brokerage Experience in technical onboarding More ❯

applications, software engineering, microservices and cloud. This could include Core Java, Spring Boot, Hibernate/JPA and UI using React, Ember, JavaScript or HTML. FIX Experience Cloud experience with containerization (Docker, Kubernetes), Database (Relational and NoSQL), Messaging (RabbitMQ), Repository (BitBucket), or Helm Charts would be highly regarded (not all More ❯

end applications in a fast-paced environment Knowledge of low-latency design principles and performance optimisation Experience with real-time data streaming technologies (WebSockets, FIX, TCP) Familiarity with OpenFin or other containerized front-end frameworks Proven ability to build responsive, high-performance UIs for trading environments Understanding of FX More ❯

services on Azure using Functions, App Services, AKS (Kubernetes), and related services. Data Ingestion & Management Ingest diverse data sources (exchange feeds, third-party APIs, FIX/WebSocket interfaces). Implement ETL processes and data models to drive downstream analytics and trading strategies. Uptime & Monitoring Implement health checks, alerting, and More ❯

services on Azure using Functions, App Services, AKS (Kubernetes), and related services. Data Ingestion & Management Ingest diverse data sources (exchange feeds, third-party APIs, FIX/WebSocket interfaces). Implement ETL processes and data models to drive downstream analytics and trading strategies. Uptime & Monitoring Implement health checks, alerting, and More ❯

with writing low latency single and concurrent threaded applications Understanding of the C++ development life cycle and tooling on RHEL Linux Exposure to the FIX protocol Exposure to test-driven development Working practices are relaxed, as is the office environment. They want to get the best out of More ❯

a related technical field. Preferred Experience: Expertise with Pytest and Python-based automation tooling. Prior exposure to equities trading environments. Familiarity with KDB and FIX protocol testing. Experience testing front-end interfaces and GUIs. This is a rare opportunity to work in a high-performance environment where technology More ❯