MongoDB Developer (experienced) - New York City

This position requires the successful candidate to work on a W2 directly with FDM. We cannot accept C2C, 1099 or employment sponsorship (e.g. H1-B) for this position.

FDM is a global business and technology consultancy delivering client and industry driven solutions through our 5 core specialist Practices; Software Engineering, Data & Analytics, IT Operations, Change & Transformation, and Risk, Regulation & Compliance.

FDM is seeking a MongoDB Developer located in New York, NY to support a project in the financial sector. Involvement in this project is anticipated to last initially 12 months but may be extended.

This role will be hybrid with requirements to be in office 3 days per week.

As a Developer supporting the Equity Cash Settlements team, you will design, build, and maintain software solutions that support the lifecycle of equity cash trades — from settlement instruction through confirmation, reconciliation, exception‑handling and reporting. Strong experience with NoSQL (specifically MongoDB) as well as relational databases, messaging systems, and high‑volume transaction flows will be highly valued.

Key Responsibilities

• Develop and maintain backend services and data pipelines supporting equity cash settlement flows: trade capture, affirmation, netting, settlement instruction generation, settlement matching, fails/exception resolution.

• Design, build and optimise the MongoDB data model/schema/sharding strategy to support high‑volume settlement data and low latency queries.

• Integrate with relational databases for reference/trade data and ensure smooth interoperability between MongoDB and SQL/DB2/Oracle systems.

• Implement APIs, messaging interfaces (e.g., Kafka, JMS, MQ) and file‑based interfaces used in settlement workflows.

• Ensure data integrity, reconciliation, auditing and reporting of settlement flows—resolving discrepancies and supporting root‑cause analysis for breaks/fails.

• Partner with operations/middle‑office, trade support and business stakeholders to gather requirements, deliver solutions, and respond to incidents or production issues.

• Participate in production support (L3), monitoring, alerting, performance tuning and ensuring high availability of mission critical settlement systems.

• Adopt best practice software engineering: unit/integration tests, CI/CD pipelines, code review, agile sprint delivery, documentation and runbooks.

Required Skills & Experience

• Bachelor’s in Computer Science, Engineering or equivalent.

• Solid software engineering experience (typically 4‑8+ years) working on backend systems in financial services, preferably settlements or post‑trade.

• Strong programming ability in a language such as Java, Scala, or C#.

• Hands‑on experience with MongoDB: designing schemas, sharding, aggregation framework, performance tuning, indexing strategy.

• Good understanding of relational database systems (SQL/DB2/Oracle) and data modelling.

• Experience working with messaging/middleware and asynchronous/distributed systems (e.g., Kafka, MQ).

• Familiarity with trade lifecycle, settlements process for equities/cash products (bookings, netting, settlement instructions, fails management) is a plus.

• Solid understanding of software development lifecycle (SDLC), agile methodologies, CI/CD, unit/integration testing, monitoring/operations.

• Strong analytical skills, ability to troubleshoot production issues, good communicator who can collaborate across business & tech.

About FDM  

FDM is an award-winning global business and technology consultancy powering the people behind tech and innovation for over 30 years. We collaborate with world-leading companies to identify the expertise they need, exactly when they need it. We have helped successfully launch nearly 25,000 careers globally to date and are a trusted partner to over 300 companies worldwide. 

FDM has 2500+ employees worldwide, with over 80 nationalities working together as a team. From our origins in Brighton, UK, FDM now has 19 centers located across North America, Europe and Asia-Pacific and is now on the FTSE4Good Index. 

Dedicated to Diversity, Equity and Inclusion  

FDM Group’s mission is to make tech and business careers accessible for everyone. Our diverse team of 80+ nationalities thrive on differences, fuels innovation through varied experiences, and celebrates shared successes. As an Equal Opportunity Employer that is listed on the FTSE4Good Index, FDM ensures every qualified applicant, regardless of race, color, religion, sex, sexual orientation, national origin, age, disability or any other status protected by federal or provincial law, gets the chance they deserve. 

FDM Group, Inc. is registered to operate and hire employees in select states within the US. We will consider employment applications exclusively from candidates who are either residing in one of the following states or willing to relocate to them: Arizona, California, Colorado, Delaware, Florida, Georgia, Illinois, Indiana, Massachusetts, Maryland, Maine, Minnesota, North Carolina, New Jersey, New York, Pennsylvania, Tennessee, Texas, Utah, and Virginia.