Senior Full-Stack Engineer (Hybrid) - Finance API & DB

Genesis10 is currently seeking a Senior Full-Stack Developer - Hybrid position with a Global Financial Institution located in Lake Mary, FL or NYC. This is a 12+ month contract to hire opportunity. Pay range: $75.00 - $85.00 per Hour This role is for a Senior Full-Stack Developer with a heavy focus on back-end and database development. The position involves programming well-designed, testable, and efficient code, with a significant part of the role focused on designing, developing, and optimizing relational database schemas and migrating from Sybase to SQL Server. This is a hybrid role requiring 4 or more days onsite per week. Responsibilities: Program well-designed, testable, and efficient code across front-end and back-end layers Execute full lifecycle software development: requirements, design, implementation, testing, deployment, and maintenance Design, develop, and optimize relational and NoSQL database schemas for OLTP and OLAP workloads Write high-quality SQL/PL code (stored procedures, functions, triggers, views) and reusable data access components Build and integrate RESTful APIs and microservices; ensure clean data contracts and reliable integrations Develop modern front-end features and components using frameworks like Angular or React Conduct code/design reviews for both application and database components with focus on performance, security, and maintainability Create flowcharts, ER models, data flow diagrams, and comprehensive technical documentation Apply security and privacy principles including secure coding, RBAC, encryption, and input validation Analyze, design, and develop unit, integration, and end-to-end tests; implement test automation Troubleshoot, debug, and upgrade existing systems across the stack Monitor and tune performance including query plans, indexing, and application profiling Requirements: 7+ years of full-stack development experience using languages/tools such as Java, Spring Boot, REST, JavaScript/TypeScript, Angular/React, CSS/HTML, Node.js, or C# Expert-level database skills with major RDBMS (e.g., Oracle, SQL Server, PostgreSQL) and familiarity with NoSQL (e.g., MongoDB) Advanced SQL and procedural extensions (PL/SQL, T-SQL), including complex query optimization Strong data modeling (conceptual/logical/physical), normalization/denormalization, and schema design skills Experience building and maintaining ETL/ELT pipelines (e.g., SSIS, Informatica, Talend, dbt) and orchestration (e.g., Airflow) Knowledge of application frameworks, microservices, and containerization/cloud patterns (e.g., Docker, Kubernetes) Hands-on experience with CI/CD, automated testing, and migration tooling (e.g., Liquibase) Strong grasp of security/privacy controls across the stack Bachelor s degree in Computer Science, Engineering, Information Systems, or related discipline, or equivalent work experience Only candidates available and ready to work directly as Genesis10 employees will be considered for this position. Desired skills: Experience in the securities or financial services industry Experience with Angular is a big plus If you have the described qualifications and are interested in this exciting opportunity, please apply! About Genesis10: Ranked a Top Staffing Firm in the U.S. by Staffing Industry Analysts for six consecutive years, Genesis10 puts thousands of consultants and employees to work across the United States every year in contract, contract-for-hire, and permanent placement roles. With more than 300 active clients, Genesis10 provides access to many of the Fortune 100 firms and a variety of mid-market organizations across the full spectrum of industry verticals. For contract roles, Genesis10 offers the benefits listed below. If this is a perm-placement opportunity, our recruiter can talk you through the unique benefits offered for that particular client. Benefits of Working with Genesis10: Access to hundreds of clients, most who have been working with Genesis10 for 5-20+ years. The opportunity to have a career-home in Genesis10; many of our consultants have been working exclusively with Genesis10 for years. Access to an experienced, caring recruiting team (more than 7 years of experience, on average.) Behavioral Health Platform Medical, Dental, Vision Health Savings Account Voluntary Hospital Indemnity (Critical Illness & Accident) Voluntary Term Life Insurance 401K Sick Pay (for applicable states/municipalities) Commuter Benefits (Dallas, NYC, SF, and Illinois For multiple years running, Genesis10 has been recognized as a Top Staffing Firm in the U.S., as a Best Company for Work-Life Balance, as a Best Company for Career Growth, for Diversity, and for Leadership, amongst others. To learn more and to view all our available career opportunities, please visit Genesis10 is an Equal Opportunity Employer. Candidates will receive consideration without regard to their race, color, religion, sex, sexual orientation, gender identity, national origin, disability, or status as a protected veteran. #DIG10-MN #J-18808-Ljbffr