16 of 16 Remote/Hybrid FIX Protocol Jobs

evolving regulatory landscape. Job Type: Inside IR 35 Contract for 1 year Job Location: London, Hybrid Job Summary We are seeking a Senior FIX Protocol Developer to join a Front Office Market Connectivity team supporting Power and Gas trading. This role is focused on designing, building, and maintaining … FIX‐based connectivity to exchanges, brokers, and counterparties, rather than purely trading applications. The ideal candidate will be a FIX protocol expert with strong C#/.NET development skills, deep understanding of electronic market connectivity, and direct experience working in Front Office environments. Highly desirable candidates will ...

Solytics Partners Careers in Greater London is seeking a Senior FIX Protocol Developer to join their Front Office Market Connectivity team. This role focuses on designing and maintaining FIX-based connectivity for exchanges and brokers, with a strong requirement for expertise in C#/.NET and electronic ...

Financial Instruments (Equities, FX, Fixed Income, Rates, Commodities, or Derivatives). Familiarity with Market Data protocols (L1/L2/L3 order books, FIX, ITCH, OUCH, BBO/NBBO) and quantitative analytics (TCA, VWAP/TWAP, volatility surfaces, PnL, pre/post-trade risk). Leadership & Soft Skills Proven ...

Software Development Life Cycle (SDLC) and version control systems (e.g., Git). Strong understanding of networking concepts, protocols such as TCP/IP and FIX, and network topologies. Preferred Qualifications Experience with large-scale automated testing, CI/CD pipelines, and release management Knowledge of financial markets: including electronic ...

engines, in an open and collaborative environment.ResponsibilitiesDevelop software that communicates with exchanges via APIs, handling market data and order transmission using protocols such as FIX, Websocket, or HTTPEnsure software quality by utilizing, maintaining, and extending testing suitesOptimize exchange communication through kernel bypass and connection handlingResearch exchange behavior to align ...

back office workflows, including electronic trading of multi-asset financial instruments, regulatory compliance, and investment operations (for financial services roles). Experience with FIX messaging infrastructure and its application in trading environments (for financial services roles). Knowledge of product design principles and processes, as well as agile software ...

financial institution or equivalent environment. Deep, prior experience in developing and architecting electronic trading and connectivity platforms (e.g., market data, order routing, DMA, FIX). Demonstrated experience in setting technical strategy, defining roadmaps, and managing large-scale, multi-year technology initiatives. Expert-level understanding of low-latency system design ...

tuning) Familiarity with off-heap or direct memory structures (Chronicle Map, VarHandles, DirectByteBuffers) Networking/I/O frameworks such as Netty or custom FIX engines Exposure to OpenHFT, LMAX Disruptor, or similar performance-focused frameworks Prior experience in trading, financial markets, or real-time data systems Ability ...

practices. Infrastructure as Code (Terraform). Monitoring and observability tools such as CloudWatch, Grafana and Prometheus. Messaging technologies including RabbitMQ and AMQP. Knowledge of FIX protocol and financial markets or trading platforms. GBST & U benefits 2 days flexible/hybrid working arrangement. Office is in Central London Instant ...

time-series analytics frameworks such as kdb or ShaktiSolid technical skills in scripting/programming (Python, PowerShell, C#, SQL or similar)8+ years of FIX engineering experience and certification processesFamiliarity with EMS/OMS software like TT, Bloomberg, NYFIX or TradingScreenExpertise in troubleshooting and maintaining continuous trading operations under ...

ability to articulate design and performance decisions Nice to have Equities execution or market-structure knowledge (cash equities, prime, OMS, smart order routing or FIX). Strongly preferred Experience with matching engines, market data, or exchange or HFT-grade systems Async Rust and Tokio for control-plane and tooling ...

energetic, fast paced team environment.Experience in Financial Services & Trading Systems systems is required – e.g. Charles River IMS, Aladdin, ThinkFolio, Bloomberg, Flex Trade, FIX which depending on the position may include domains such as:Understanding of financial instruments such as stocks, bonds, swaps, options, futures, forwards, derivatives, and FX.Experience with … areas of research/valuation, analysis and portfolio constructionHands-on knowledge of SQL and the ability to extract and analyse data to troubleshoot and fix issues.Experience supporting critical production applicationsExperience in using AI tools such as Claude/GitHub Co-Pilot is advantageousCFA Institute Claritas Certificate, CFA Charter ...

Trading Systems Software Engineer - FIX, Etrading Location: London or Newcastle. Tech Stack: C#.NET, .NET Core, CI/CS, Low Latency, FIX Connectivity, Interest Rates Derivatives, API’s The company This is an opportunity for an experienced and Senior C#.NET Electronic Trading Engineer to join one of the leading … latency messaging and price distribution. Work deep in the stack — performance profiling, optimisation and tuning under live trading conditions. Application building for advanced FIX Connectivity development. Collaborate closely with front office traders, quants and product teams. Own issues end-to-end — from design through to production support. Contribute ...

Frontend Quality Assurance Specialist At a Glance Individual contributor QA role at a high-growth prediction markets trading firm Core stack: Java, Python, FIX, SQL, Cucumber, Playwright, JUnit Competitive base salary plus discretionary annual bonus 3+ years experience required, financial services testing background preferred Central role in quality … within financial services Experience with testing tools such as Cucumber, Playwright and JUnit, with familiarity in test reporting and analysis Proficiency in Java, Python, FIX and SQL Excellent communication, interpersonal and presentation skills, able to explain complex concepts to non‐technical stakeholders Ability to work independently and collaboratively ...

solutions using TransFICC’s Unified API. Integrate and manage connectivity to electronic trading venues (e.g., Tradeweb, Bloomberg, MTS, BrokerTec, MarketAxess). Configure and support FIX, streaming, and venue‐specific protocols, ensuring accurate and reliable messaging. Develop high‐performance, scalable services using Core Java (8/11/17). … Java, including concurrency, memory management, and GC tuning. Hands‐on experience integrating and developing with TransFICC’s Connectivity Platform. Experience with electronic market protocols: FIX (4.x/5.x) Binary/Streaming protocols (ITCH, FAST, SBE, JSON over TCP). Familiarity with low‐latency patterns, high‐throughput messaging, and microservices. ...

/Newcastle seeks a Senior C#.NET Electronic Trading Engineer to join a leading institutional digital asset firm. Build low-latency IRD trading systems with FIX connectivity, optimise for live trading, and collaborate with traders, quants and product teams. You will develop core server-side C#.NET components and work across ...