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FIX Connectivity Engineer/Developer
⭐ - Featured Role | Apply direct with Data Freelance Hub
This role is a long-term contract for a FIX Connectivity Engineer/Developer, remote in the US, offering competitive pay. Requires 7+ years in FX systems, expertise in FIX protocol, Java or C++, SQL, and FIX engine experience.
🌎 - Country
United States
💱 - Currency
$ USD
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💰 - Day rate
Unknown
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🗓️ - Date
December 11, 2025
🕒 - Duration
Unknown
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🏝️ - Location
Remote
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📄 - Contract
Unknown
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🔒 - Security
Unknown
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📍 - Location detailed
United States
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🧠 - Skills detailed
#SQL Server #Scala #Logging #MQTT (Message Queuing Telemetry Transport) #Java #Oracle #Programming #IP (Internet Protocol) #"ETL (Extract #Transform #Load)" #SQL (Structured Query Language) #Documentation #C++ #Kafka (Apache Kafka) #XML (eXtensible Markup Language)
Role description
Title: FIX Connectivity Engineer/Developer
Type: Long term contract
Location: Remote in US
Role Overview
We are seeking a highly skilled FIX Developer with strong experience in Foreign Exchange (FX) systems to design, implement, and maintain pricing engine integrations using the Financial Information eXchange (FIX) protocol. The candidate will be responsible for building robust and low-latency connection with pricing engine, and trading platforms to support real-time FX pricing, execution, and market data distribution.
Key Responsibilities
• Design, develop, Implement a FIX solution for FX price distribution engine. Must have backend Java development design and testing experience with prior financial industry experience.
• Monitor and troubleshoot: Monitor message flow in real-time, analyze FIX logs for errors, and quickly resolve connectivity incidents.
• Develop solutions: Develop code for low-latency trading systems, parse FIX messages, transform data into other formats and work with messaging/queueing technologies. Ensure that the design is scalable.
• Collaborate: Work closely the project team and vendor to integrate and configure FIX sessions.
• Documentation: Produce concise functional FIX specifications, integration design, workflows, and operational runbooks from start to finish that can be used by partners.
• Audit and logging: Develop audit and logging capabilities for troubleshooting
• Provide production support and incident resolution for pricing and execution-related issues.
Essential Skills and Qualifications:
• FIX protocol expertise: Deep understanding of FIX protocol, including different version ( eg. FIX 4.2 – 5.0)
• Proficiency in at least one programming language, preferably Java or C++.
• Experience with SQL on any DBMS preferably, Oracle, SQL Server database environments required.
• Must have a strong understanding of market structure for FX products, pricing and order management.
• Networking knowledge: Familiarity with network protocols such as TCP/IP, Stunnel, MPLS
• Additional Skills: Knowledge of XML, real- time messaging, and FIX engines
Requirement and skills
• 7+ years of experience technology preferably on buy-sell side or trading vendor.
• In dept knowledge of FX markets and its trading technologies for dealers and institutional clients.
• FIX Protocol certification/connectivity experience a must
• Experience with FIX engines such as QuickFIX or similar.
• Lead technical discussions with partners.
• Familiarity with messaging protocols like AMQP, MQTT, or Kafka.
Title: FIX Connectivity Engineer/Developer
Type: Long term contract
Location: Remote in US
Role Overview
We are seeking a highly skilled FIX Developer with strong experience in Foreign Exchange (FX) systems to design, implement, and maintain pricing engine integrations using the Financial Information eXchange (FIX) protocol. The candidate will be responsible for building robust and low-latency connection with pricing engine, and trading platforms to support real-time FX pricing, execution, and market data distribution.
Key Responsibilities
• Design, develop, Implement a FIX solution for FX price distribution engine. Must have backend Java development design and testing experience with prior financial industry experience.
• Monitor and troubleshoot: Monitor message flow in real-time, analyze FIX logs for errors, and quickly resolve connectivity incidents.
• Develop solutions: Develop code for low-latency trading systems, parse FIX messages, transform data into other formats and work with messaging/queueing technologies. Ensure that the design is scalable.
• Collaborate: Work closely the project team and vendor to integrate and configure FIX sessions.
• Documentation: Produce concise functional FIX specifications, integration design, workflows, and operational runbooks from start to finish that can be used by partners.
• Audit and logging: Develop audit and logging capabilities for troubleshooting
• Provide production support and incident resolution for pricing and execution-related issues.
Essential Skills and Qualifications:
• FIX protocol expertise: Deep understanding of FIX protocol, including different version ( eg. FIX 4.2 – 5.0)
• Proficiency in at least one programming language, preferably Java or C++.
• Experience with SQL on any DBMS preferably, Oracle, SQL Server database environments required.
• Must have a strong understanding of market structure for FX products, pricing and order management.
• Networking knowledge: Familiarity with network protocols such as TCP/IP, Stunnel, MPLS
• Additional Skills: Knowledge of XML, real- time messaging, and FIX engines
Requirement and skills
• 7+ years of experience technology preferably on buy-sell side or trading vendor.
• In dept knowledge of FX markets and its trading technologies for dealers and institutional clients.
• FIX Protocol certification/connectivity experience a must
• Experience with FIX engines such as QuickFIX or similar.
• Lead technical discussions with partners.
• Familiarity with messaging protocols like AMQP, MQTT, or Kafka.






