New

API Ecosystem QA & Integration Specialist | FIX Protocol | API |

YOH Services LLC
401(k)
United States, Georgia, Atlanta
115 Perimeter Center Place (Show on map)
Oct 23, 2025
API Ecosystem QA & Integration Specialist \| FIX Protocol \| API \| Category: Information Technology Employment Type: Direct Hire Reference: BH-389464 Join a fast-paced team managing an API ecosystem that processes hundreds of millions of messages daily. You'll play a key role in ensuring the performance, reliability, and evolution of API applications supporting FIX, FIXml, REST, and proprietary protocols. This role blends Quality Assurance, Test Automation, Certification Testing, Client Integration, and Tier-2 Production Support across Futures, Derivatives, and OTC markets. You'll collaborate across teams to launch new products and features while supporting client connectivity and integration. Key Responsibilities: Design and execute end-to-end testing strategies Create detailed test plans and summaries Develop and maintain automated functional and regression tests Analyze specifications to define testing and release strategies Support API documentation and client integration Respond to client technical inquiries and production incidents Manage client support tickets and escalate when needed Log defects and coordinate client verification testing Contribute to internal monitoring and support tools using scripting Qualifications: BS in Computer Science, Engineering, or related field 5+ years in software testing and QA 3+ years with FIX protocol and automation testing Strong organizational and communication skills Basic SQL and scripting (Python, Ruby, Perl, etc.) Familiarity with SQA, SDLC, Windows OS, and Office tools Experience with trading connectivity, market data feeds, and VeriFIX a plus Self-driven with a passion for process improvement Estimated Min Rate:$91000.00 Estimated Max Rate:$ 130000.00 What's In It for You? We welcome you to be a part of the largest and legendary global staffing companies to meet your career aspirations. Yoh's network of client companies has been employing professionals like you for over 65 years in the U.S., UK and Canada. Join Yoh's extensive talent community that will provide you with access to Yoh's vast network of opportunities and gain access to this exclusive opportunity available to you. Benefit eligibility is in accordance with applicable laws and client requirements. Benefits include: Medical, Prescription, Dental & Vision Benefits (for employees working 20+ hours per week) Health Savings Account (HSA) (for employees working 20+ hours per week) Life & Disability Insurance (for employees working 20+ hours per week) MetLife Voluntary Benefits Employee Assistance Program (EAP) 401K Retirement Savings Plan Direct Deposit & weekly epayroll Referral Bonus Programs Certification and training opportunities Note: Any pay ranges displayed are estimations. Actual pay is determined by an applicant's experience, technical expertise, and other qualifications as listed in the job description. All qualified applicants are welcome to apply. Yoh, a Day & Zimmermann company, is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, or status as a protected veteran. Visit https://www.yoh.com/applicants-with-disabilities to contact us if you are an individual with a disability and require accommodation in the application process. For California applicants, qualified applicants with arrest or conviction records will be considered for employment in accordance with the Los Angeles County Fair Chance Ordinance for Employers and the California Fair Chance Act. All of the material job duties described in this posting are job duties for which a criminal history may have a direct, adverse, and negative relationship potentially resulting in the withdrawal of a conditional offer of employment. By applying and submitting your resume, you authorize Yoh to review and reformat your resume to meet Yoh's hiring clients' preferences. To learn more about Yoh's privacy practices, please see our Candidate Privacy Notice: https://www.yoh.com/privacy-notice