Sr Software Engineer

WHO WE ARE

Apex Fintech Solutions (AFS) powers innovation and the future of digital wealth management by processing millions of transactions daily to simplify, automate, and facilitate access to financial markets for all. Our robust suite of fintech solutions supports clients such as Stash, Betterment, SoFi, Webull, and more than 20 million of our clients' customers. AFS creates an environment where the biggest ideas in fintech are empowered to change the world. A global organization with offices in Austin, Dallas, Chicago, New York, Portland, Belfast, and Manila.

ABOUT THIS ROLE

Senior Software Engineer to develop backend systems and scalable Market Data APIs that drive critical domains such as Risk Engine, End Investor platforms, Wealth Management tools, Portfolio Rebalancing, and UIs. Focus on designing and delivering reliable APIs to enable real-time market data access for internal systems and client facing platforms. Leverage cloud native technologies to build high performance, scalable solutions for diverse asset classes across key data categories such as Pricing and Fundamentals.

DUTIES/RESPONSIBILITIES

• Design, develop, deploy, and maintain high performance backend systems using Java to power market data APIs.
• Build and manage containerized microservices using Kubernetes and Docker for scalability and reliability.
• Develop and optimize infrastructure leveraging Google Cloud Platform, AlloyDB, Pub/Sub, GCS, and BigQuery for efficient processing and storage of market data.
• Utilize Astronomer and Airflow for orchestration and automation of workflows within the Market Data ecosystem.
• Design and implement scalable, event driven systems using Kafka, RabbitMQ, Redis, and AlloyDB/PostgreSQL for efficient data delivery.
• Design robust, secure, and efficient gRPC and REST APIs to enable real time access to market data for key business domains.
• Build systems for real time delivery of market data across asset classes such as Equities, Fixed Income, Mutual Funds, and Options.
• Optimize system performance, scalability, reliability, and data latency.
• Work closely with globally distributed teams to align architecture strategies and translate technical requirements for non technical stakeholders.
• Support junior engineers through mentoring, technical guidance, and promotion of best practices.
• Drive key architectural decisions for scalable, secure, and well integrated solutions that meet the specific needs of the Market Data domain.

EDUCATION AND EXPERIENCE

• BA, BS, MS, or PhD in Computer Science, Engineering, or related technology field (or equivalent work experience).
• 5+ years of professional experience in backend software development, with proven experience in designing, implementing, and maintaining distributed systems and microservices.
• Demonstrated experience in leading projects, collaborating across functions, and mentoring junior engineers.
• Certifications in Java, Kubernetes, or cloud platforms (e.g., Google Cloud) preferred.

REQUIRED SKILLS/ABILITIES

• Proficiency in building APIs to deliver secure, fault tolerant access to real time market data.
• Expertise in backend performance tuning and ensuring system scalability and reliability.
• Familiarity with financial systems, market data services, and real time processing solutions.
• Experience leveraging GCP tools and services, such as AlloyDB, GCS, BigQuery, Pub/Sub, and workflow orchestration tools like Astronomer and Airflow.
• Hands on experience with DevOps practices such as CI/CD pipelines and deployment automation.
• Deep understanding of securing APIs and backend infrastructures in cloud environments.

WORK ENVIRONMENT

This role operates in a hybrid capacity, requiring on site collaboration two days per week.

OUR REWARDS

We offer a robust package of employee perks and benefits, including a market leading salary with an annual bonus, 28 days of annual leave plus 10 Northern Ireland national holidays, a training and development budget, and a pension matched up to 7%. Our benefits cover private health insurance for medical, dental, and optical care, and life insurance. We emphasize work life balance with flexible working hours, parental leave, a modern city center office, and a hybrid work schedule that allows for greater flexibility by partially working from home. Additional perks include monthly catered lunches, unlimited drinks and snacks, hackathon events, poker tournaments, and a charitable matching gift program.

EEO STATEMENT

Apex Fintech Solutions is an equal opportunity employer that does not discriminate on the basis of race, color, religion, sex (including pregnancy, sexual orientation, and gender identity), national origin, age, disability, veteran status, marital status, or any other protected characteristic. Our hiring practices ensure that all qualified applicants receive fair consideration without regard to these characteristics.

DISABILITY STATEMENT

Apex Fintech Solutions is committed to creating an inclusive and accessible workplace for all candidates, including those with disabilities. We are dedicated to ensuring equal employment opportunities and providing reasonable accommodations to qualified individuals with disabilities. If you require reasonable accommodations to participate in the application or interview process, please submit your request via the Candidate Accommodation Requests Form. We will work with you to provide the necessary accommodations to ensure your full participation in our hiring process.