Senior Full Stack Developer
Confirmed on the employer's own hiring board on Sep 27, 2026. First seen by Alion on Jun 3, 2026. Millennium Management scores B on the Alion truth index.
Millennium is seeking a highly skilled Senior Full Stack Developer to build and support complex inbound and outbound integrations across corporate accounting, partnership accounting, financial systems.
The ideal candidate will have experience working on mission-critical applications in a dynamic, fast-paced environment, with the ability to engineer resilient, scalable systems, support complex enterprise integrations, and mentor other members of the team. Manage the team and have a single point of communication.
In addition, the candidate will help deliver extensions and UI features to support the financial close process, daily accounting operations, and broader accounting workflow needs.
Principal Responsibilities
9+ years of full-stack development experience, with strong expertise in Python
Work with senior business and IT stakeholders to gather, interpret, and implement business requirements
Design, develop, and manage UI applications using Angular
Build and support applications and interfaces using SQL Server and PostgreSQL
Execute the full Software Development Life Cycle (SDLC)
Experience with Kubernetes for container orchestration and deployment
Experience with Kafka for event-driven architecture and messaging
Produce technical specifications and assess operational feasibility
Integrate software components into fully functional systems
Develop software verification plans and quality assurance procedures
Document and maintain software functionality
Troubleshoot, debug, enhance, and upgrade existing systems
Deploy applications and evaluate user feedback
Ensure compliance with project plans, engineering standards, and industry best practices
Work independently under pressure and manage multiple priorities effectively
Help mentor junior developers and contribute to team best practices
Skills Desired
Strong development experience in Python
Experience building backend services, APIs, and enterprise applications using modern Python frameworks
Strong experience designing and managing UI applications using Angular
Strong experience with Microsoft SQL Server and PostgreSQL, including complex SQL queries and stored procedures
Experience with REST APIs and SOAP services
Experience with GitHub, Jenkins, and JIRA
Understanding of Lean/Agile and DevOps principles
Strong written and verbal communication skills
Ability to work effectively with senior stakeholders and cross-functional technology teams
Ability to document technical requirements and specifications
Proficiency with software engineering tools and development best practices