Senior Software Developer, C++

FlexTrade Systems is a global leader in high-performance multi-asset execution management and order management systems for equities, fixed income, foreign exchange, futures, and options. A pioneer in the field, FlexTrade is internationally recognized for introducing FlexTRADER®, the world’s first broker-neutral, execution management trading system, which allows clients to completely control and customize their execution workflows through a comprehensive ability to search/access liquidity while maintaining the confidentiality of their trading strategies.

At FlexTrade, we hold our values close to heart, with pride and gratitude, as they guide us in everything that we do. We are dedicated to giving our clients a competitive edge, taking ownership of our responsibilities, being flexible to adapt to an ever-changing environment and technology, bringing integrity to every interaction, and we continue to improve, grow together, and collaborate as one team. All of these, while having Fun, truly make FlexTrade a wonderful place to work.

About you: We are seeking a highly motivated, technically curious engineer who thrives on solving complex challenges in a fast‑paced trading environment. As part of the FX Development & Client Services team, you will architect high‑performance FX trading components, build low‑latency integrations with leading global market participants, and work directly with traders and technologists to shape next‑generation FX workflows.

This role is ideal for someone who enjoys breaking down complexity into well‑defined technical solutions and wants to continuously grow as financial products and markets evolve.

Responsibilities As a member of the FlexFX Development & Client Services team, you will:

• Design, implement, and maintain advanced FX trading components with a strong emphasis on performance, scalability, and reliability.
• Build and optimize low‑latency integration solutions that connect FlexTrade systems with brokers and clients across global FX markets.
• Collaborate closely with traders, quants, and senior engineers to translate sophisticated trading workflows into robust, scalable systems.
• Individually test each component you build—designing comprehensive automated tests that cover edge cases, failure scenarios, performance‑critical boundaries, and real‑world resiliency requirements.
• Produce clear technical designs, architecture documents, and workflow specifications.
• Continuously learn and adapt to new products, markets, and trading technologies as financial systems evolve.
• Minimum of 7+ years of professional software development experience.
• Bachelor’s degree (or higher) in Computer Science, Engineering, Physics, Mathematics, or a related quantitative field.
• Proficiency in modern C++ or similar high‑performance languages.
• Experience working on large‑scale, low‑latency, and/or distributed systems, with teams spread all across global regions.
• Strong problem‑solving and debugging skills, with the ability to break down complex requirements into clear, actionable tasks.
• Familiarity with testing methodologies and frameworks such as GTest.
• Excellent communication skills for working across technical and business teams.
• A positive attitude and fast‑learning mindset, with openness to learning new products, markets, and financial systems as they evolve.
• Strong discipline in designing thorough component‑level tests and validating all edge conditions

Nice to have

• Knowledge of trading systems and FIX protocol.
• Experience with Order Management Systems (OMS) or Execution Management Systems (EMS).
• Exposure to real‑time, high‑throughput, or low‑latency financial applications.
• Familiarity with Golang and REST/WebSocket APIs

FlexTrade does not accept unsolicited resumes from search firm recruiters. Fees will not be paid in the event a candidate submitted by a recruiter without an authorized agreement for a particular SOW (Statement of Work) in place is hired: such resumes are deemed the sole property of FlexTrade.

FlexTrade Systems, Inc. is an equal opportunity employer and makes employment decisions without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, protected veteran status, disability status, or any other status protected by law.