Post Job Free
Sign in

Senior Software Developer

Company:
Capstone Search Advisors
Location:
Norwalk, CT, 06860
Posted:
May 08, 2026
Apply

Description:

Senior Software Developer

Rowayton, CT 06853

Fairfield County Hedge Fund is seeking a senior software developer to join their Technology team. This individual will work on Windows client and server projects related to electronic trading order execution systems. This position involves working in a small team and having close interaction with both development peers and business users.

Responsibilities:

Working closely with developers and business users to gather requirements and scope projects

Analyzing existing systems for robustness and performance improvements

Presenting ideas for system improvements, both technical and business related

Producing product specifications and training peers and users on system use and maintenance

Unit, integration, and functional testing

Maintaining and supporting the systems once released to UAT and production

Requirements:

5 plus years of relevant experience

C#, OOP, Concurrency, Real-time Systems, Automated Unit Testing, SOA

Experience with all phases of the software development life cycle

FIX Protocol, Electronic Trading

Strong communication skills

Familiarity with the Appia FIX Engine (preferred)

Familiarity with Software Development related AI Tools (preferred)

Python, SQL (preferred)

Opening Doors to Incredible Opportunities: For over two decades, Capstone has been working with elite organizations from Fortune 500s to start-ups in some of the most competitive market sectors. Because of our deep connections, we're able to match you with the most relevant and prestigious career opportunities available — whether you're an executive or manager, we'll help you reach your professional goals.

Protect Yourself from Job Scams We've seen an increase in scam attempts targeting job seekers. Please know that our team will never request sensitive personal information—such as your Social Security number or banking details—outside of our secure onboarding system. This system is the only method we use to collect the information necessary for employment. All official communication will come from verified company email addresses or phone numbers. If something seems suspicious, trust your instincts and don't engage. Learn how to spot job scams and protect yourself here.

Equal Opportunity Employer: Capstone provides equal employment opportunities to all employees and applicants for employment and prohibits discrimination and harassment of any type without regard to race, color, religion, age, sex, national origin, disability status, genetics, protected veteran status, sexual orientation, gender identity or expression, or any other characteristic protected by federal, state or local laws. This applies to all terms and conditions of employment, including recruiting, hiring, placement, promotion, termination, layoff, recall, transfer, leaves of absence, compensation, and training. We celebrate diversity and are committed to creating an inclusive environment for all employees. Capstone will provide reasonable accommodations for people with disabilities in all parts of the hiring and employment process.

Apply