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- Tasks: Design and maintain FIX-based connectivity for trading systems in a dynamic market environment.
- Company: Award-winning global analytics firm focused on innovation and excellence.
- Benefits: Hybrid work model, competitive salary, and opportunities for professional growth.
- Other info: Collaborative culture with a focus on cutting-edge technologies and career advancement.
- Why this job: Join a team at the forefront of technology and make a real impact in trading.
- Qualifications: 8+ years in electronic trading, expert in FIX protocol, strong C#/.NET skills.
The predicted salary is between 80000 - 100000 £ per year.
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.
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
- 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
- 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 in London employer: Solytics Partners Careers
Contact Detail:
Solytics Partners Careers Recruiting Team
StudySmarter Expert Advice 🤫
We think this is how you could land Senior FIX Protocol Developer in London
✨Tip Number 1
Network like a pro! Reach out to your connections in the industry, especially those who work in trading or market connectivity. A friendly chat can lead to insider info about job openings and even referrals.
✨Tip Number 2
Show off your skills! If you’ve contributed to projects like QuickFIX, make sure to highlight that in conversations. Share your experiences and insights during interviews to demonstrate your expertise in FIX protocol.
✨Tip Number 3
Prepare for technical interviews by brushing up on your C#/.NET skills. Practice coding challenges related to market connectivity and FIX protocol scenarios. We want you to feel confident and ready to tackle any question thrown your way!
✨Tip Number 4
Don’t forget to apply through our website! It’s the best way to ensure your application gets noticed. Plus, we love seeing candidates who are proactive and engaged with our company.
We think you need these skills to ace Senior FIX Protocol Developer in London
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 and C#/.NET development, as well as any contributions to the QuickFIX project. We want to see how your skills align 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 electronic trading and how your background makes you a perfect fit for our team. Don’t forget to mention your experience in Front Office environments and your understanding of market connectivity.
Showcase Relevant Projects: If you've worked on any projects related to FIX-based connectivity or market trading systems, make sure to showcase them. We love seeing real-world applications of your skills, so include details about your role and the impact of your work.
Apply Through Our Website: We encourage you to apply through our website for the best chance of getting noticed. It helps us keep track of applications and ensures you’re considered for the role. Plus, it’s super easy to do!
How to prepare for a job interview at Solytics Partners Careers
✨Know Your FIX Protocol Inside Out
Make sure you brush up on your knowledge of the FIX protocol. Be prepared to discuss session management, message flows, and any contributions you've made to projects like QuickFIX. This is your chance to showcase your expertise, so don’t hold back!
✨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. If possible, bring examples of your work or even snippets of code that demonstrate your proficiency.
✨Understand the Trading Environment
Familiarise yourself with the Power and Gas trading markets. Being able to discuss trading workflows and market structures will show that you’re not just a tech whiz but also understand the business side of things. This can really set you apart from other candidates.
✨Prepare for Problem-Solving Questions
Expect questions that assess your troubleshooting skills and how you handle incidents in production. Think of specific scenarios where you resolved connectivity issues or optimised performance, and be ready to explain your thought process during those situations.