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- Tasks: Design and maintain FIX-based connectivity for trading systems in a dynamic market environment.
- Company: Join an award-winning global analytics firm at the forefront of innovation.
- Benefits: Hybrid work model, competitive salary, and opportunities for professional growth.
- Why this job: Be part of a team that empowers organisations with transformative tools in finance.
- Qualifications: 8+ years in electronic trading, expert in FIX protocol, strong C#/.NET skills.
- Other info: Collaborate with traders and tech teams in a fast-paced, supportive environment.
The predicted salary is between 72000 - 108000 £ per year.
About Us: Solytics Partners is a Global Analytics firm, recognized with multiple industry awards for innovation and excellence. Our team comprises experts with deep domain knowledge in risk, analytics, AI/ML, AML/FCC, and fraud. By converging this expertise with cutting-edge technologies like AI, Machine Learning, Generative AI, and Large Language Models (LLMs), we deliver powerful automated platforms and incisive point solutions. Our offerings enable clients to streamline and future-proof their risk, AML, and analytics processes, comply seamlessly with global regulations, and safeguard financial systems. Whether it’s solving complex challenges or driving operational efficiency, Solytics Partners is committed to empowering organizations with transformative tools to stay ahead in an 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 have contributed to, or authored components of, the QuickFIX open-source project, demonstrating strong protocol-level expertise and engineering rigor.
Key Responsibilities:
- Design, develop, and maintain FIX-based market connectivity solutions for Front Office trading systems
- Build and enhance exchange, broker, and counterparty connectivity using FIX protocol
- Implement FIX session management, order lifecycle handling, custom tags, and extensions
- Optimize connectivity for low latency, high throughput, and high availability
- Work closely with traders, connectivity teams, and infrastructure to deliver resilient solutions
- Own and support connectivity components in production, including troubleshooting and incident resolution
Key Requirements:
- 8+ years of experience in electronic trading or market connectivity development
- Expert-level knowledge of FIX protocol, including session management and message flows
- Authored or contributed to the QuickFIX open-source project
- Deep experience with FIX engines such as QuickFIX or similar frameworks
- Strong hands-on experience with C#/.NET
- Proven Front Office development experience
- Solid experience building and supporting market connectivity (exchanges, brokers, gateways, adapters)
- Direct exposure to Power and Gas trading markets
- Strong understanding of trading workflows, market structure, and connectivity architectures
Senior FIX Protocol Developer employer: Solytics Partners
Contact Detail:
Solytics Partners Recruiting Team
StudySmarter Expert Advice 🤫
We think this is how you could land Senior FIX Protocol Developer
✨Network Like a Pro
Get out there and connect with people in the industry! Attend meetups, webinars, or conferences related to FIX protocol and trading. You never know who might have a lead on your dream job or can introduce you to someone at Solytics Partners.
✨Show Off Your Skills
When you get the chance to chat with potential employers, don’t hold back! Talk about your experience with FIX protocol and any contributions you've made to projects like QuickFIX. We love seeing candidates who are passionate and knowledgeable about their craft.
✨Tailor Your Approach
Make sure to tailor your conversations and networking efforts to highlight your expertise in C#/.NET and market connectivity. Show how your skills align with what Solytics Partners is looking for in a Senior FIX Protocol Developer.
✨Apply Through Our Website
Don’t forget to apply directly through our website! It’s the best way to ensure your application gets seen by the right people. Plus, it shows you’re genuinely interested in joining our team at Solytics Partners.
We think you need these skills to ace Senior FIX Protocol Developer
Some tips for your application 🫡
Tailor Your CV: Make sure your CV is tailored to the Senior FIX Protocol Developer role. Highlight your experience with FIX protocol, C#/.NET skills, and any contributions to the QuickFIX project. We want to see how your background aligns with what we're looking for!
Craft a Compelling Cover Letter: Your cover letter is your chance to shine! Use it to explain why you're passionate about this role and how your expertise in electronic trading and market connectivity can benefit us at Solytics Partners. Keep it engaging and relevant!
Showcase Your Problem-Solving Skills: In your application, don’t just list your skills—show us how you've used them to solve real-world problems. Whether it's optimising connectivity or troubleshooting issues, we love seeing examples of your engineering rigor in action.
Apply Through Our Website: We encourage you to apply through our website for a smoother process. It helps us keep track of applications and ensures you get all the updates directly from us. Plus, it’s super easy!
How to prepare for a job interview at Solytics Partners
✨Know Your FIX Protocol Inside Out
Make sure you brush up on your FIX protocol knowledge before the interview. Be prepared to discuss session management, message flows, and any contributions you've made to projects like QuickFIX. This will show that you're not just familiar with the protocol but are also an expert in it.
✨Showcase Your C#/.NET Skills
Since strong C#/.NET development skills are crucial for this role, be ready to talk about specific projects where you've used these technologies. Bring examples of your work that demonstrate your ability to design and maintain FIX-based connectivity solutions.
✨Understand the Trading Environment
Familiarise yourself with the Power and Gas trading markets. Knowing the trading workflows and market structures will help you relate your technical skills to real-world applications, making you a more attractive candidate.
✨Prepare for Technical Questions
Expect to face technical questions that test your understanding of electronic market connectivity. Practice explaining complex concepts clearly and concisely, as you'll need to communicate effectively with traders and other teams during your role.
