Python Flask React Jobs in Basking Ridge, NJ (NOW HIRING)

If you’re up to the challenge, then take a chance at this rewarding opportunity! Position Overview: Senior Software Engineer to design, build, and maintain internal applications and data platforms supporting a U.S. broker-dealer.

This role sits at the intersection of trading, clearing, risk, and operations, and requires strong Python expertise, experience with financial systems, and a practical understanding of regulatory and compliance-driven environments. Work in a small, fast-moving team, owning end-to-end development of internal tools while collaborating closely with trading, risk, operations, and infrastructure teams. Pay Rate: $72.00-$75.00/Hour.

Responsibilities: Application Development Design, build, and maintain internal web applications, APIs, and dashboards using: Python (FastAPI, Flask) React or similar modern frontend frameworks Develop and maintain services for: Margin calculations and simulations (e.g., DTCC / NSCC RMaas) Trade activity ingestion and normalization Billing, commissions, and client reporting Implement background jobs and scheduled workflows supporting daily operational processes Develop automation frameworks and scripts to optimize operational efficiency Data, Integrations & Financial Systems Build and maintain integrations with internal and external financial systems, including: DTCC / NSCC APIs and SFTP file feeds Order Management Systems (OMS) such as Traffix, MarketTrader, Polaris FIX engines and end-of-day (EOD) SFTP files Clearing, securities lending, and prime brokerage platforms CRM systems (Salesforce) Design and manage ETL pipelines using Python, Pandas, and structured data formats (CSV, JSON) Design, optimize, and maintain relational databases (PostgreSQL, SQL Server) for transactional, reporting, and analytics use cases Store and manage artifacts, reports, and data outputs in object storage (AWS S3 / Azure Blob Storage) Cloud & Platform Engineering Deploy and operate applications in AWS and/or Azure environments, including: EC2 or Azure Container Apps Docker-based deployments CI/CD pipelines (GitHub Actions or equivalent) Collaborate on cloud architecture decisions with a focus on: Security and access controls Cost optimization Reliability and operational resilience Implement logging, error handling, and baseline observability Security, Compliance & Controls Build systems with broker-dealer regulatory requirements in mind, including: Audit trails and immutable, time-stamped records Role-based access control (RBAC) Data integrity and traceability Support compliance with SEC and Client regulations (e.g., Rules 17a-3, 17a-4, 15c3-5) Ensure systems conform to internal data-handling, security, and compliance standards Cross-Functional Collaboration Work closely with trading, risk, operations, and finance teams to gather requirements and translate business needs into technical solutions Partner with infrastructure and DevOps teams on deployments and production support Contribute to technical strategy, system design, and long-term platform evolution Required Qualifications: 7 years of professional software development experience (senior-level ownership expected). Prior experience working within a U.S. broker-dealer.

Strong proficiency in Python. Experience building REST APIs using FastAPI, Flask, or equivalent. Solid experience with relational databases and SQL schema design.

Hands-on experience with AWS and/or Azure. Strong understanding of financial services workflows, such as: Trading. Clearing and settlement.

Risk and margin. Billing or commissions. Familiarity with version control (Git), CI/CD pipelines, and containerized deployments.

Ability to work independently, take ownership, and collaborate effectively in a small team. Strong communication skills and ability to translate business requirements into technical solutions. Preferred Qualifications: Familiarity with: DTCC / NSCC platforms, margin, or risk systems.

OMS or execution platforms. Securities lending or prime brokerage workflows. Experience with: React or other modern frontend frameworks.

FIX protocol and trade lifecycle systems. GitHub Actions or similar CI/CD tooling. Slack, email, or workflow-based integrations.

Power BI or other data visualization tools. Exposure to designing systems in regulated or compliance-driven environments. If hired, you will enjoy the following ECLARO Benefits: 401k Retirement Savings Plan administered by Merrill Lynch Commuter Check Pretax Commuter Benefits Eligibility to purchase Medical, Dental & Vision Insurance through ECLARO If interested, you may contact: Lea Enriquez leafer.enriquez@eclaro.com 6466952941 Lea Enriquez | LinkedIn Equal Opportunity Employer: ECLARO values diversity and does not discriminate based on Race, Color, Religion, Sex, Sexual Orientation, National Origin, Age, Genetic Information, Disability, Protected Veteran Status, or any other legally protected group status, in compliance with all applicable laws.