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- Tasks: Design and maintain FIX-based connectivity for trading systems in a dynamic market environment.
- Company: Join an award-winning analytics firm at the forefront of innovation.
- Benefits: Hybrid work model, competitive pay, and opportunities for professional growth.
- Other info: Collaborate with traders and tech teams to deliver resilient solutions.
- 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.
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. 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
- 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 Careers
Contact Detail:
Solytics Partners Careers 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. The more you engage with others, the better your chances of landing that dream job.
✨Show Off Your Skills
When you get the chance to chat with potential employers, don’t hold back! Share your experiences with FIX protocol and any contributions you've made to projects like QuickFIX. Let them see your passion and expertise shine through.
✨Tailor Your Approach
Before interviews, research the company and its culture. Tailor your responses to show how your skills align with their needs, especially in areas like market connectivity and low latency solutions. Make it clear why you're the perfect fit for their team!
✨Apply Through Our Website
Don’t forget to apply directly through our website! It’s the best way to ensure your application gets noticed. Plus, we love seeing candidates who take the initiative to connect with us directly.
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 highlight your experience with FIX protocol and C#/.NET development. We want to see how your skills align with the role, so don’t be shy about showcasing relevant projects or contributions, especially if you've worked with QuickFIX!
Craft a Compelling Cover Letter: Your cover letter is your chance to shine! Use it to explain why you’re passionate about market connectivity and how your background makes you a perfect fit for our team. We love seeing enthusiasm and a clear understanding of the role.
Showcase Your Problem-Solving Skills: In your application, highlight specific examples where you've tackled challenges in electronic trading or market connectivity. We’re looking for candidates who can demonstrate their engineering rigor and ability to deliver resilient solutions.
Apply Through Our Website: Don’t forget to apply through our website! It’s the best way for us to receive your application and ensures you’re considered for the role. Plus, it shows you’re serious about joining our innovative team at Solytics Partners.
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 set you apart from other candidates.
✨Prepare for Problem-Solving Questions
Expect to face 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.