Senior Full Stack Engineer

Senior Full Stack Engineer Lake Mary, FL Type: Contract-to-Hire Category: Development Industry: Financial Services Reference ID: JN -012026-105161 Date Posted: 01/22/2026 Shortcut: + Description + Recommended Jobs Description: _Hybrid 4 days onsite in Lake Mary, FL_ Our client is a global investments company that provides informed investment management and investment services across the financial lifecycle. The organization supports institutions, corporations, and individual investors worldwide with clearing and custody, technology, enterprise data management, and trading services. The team values reliable engineering practices, scalable systems, and strong data discipline. _This is a contract to hire opportunity. Applicants must be willing and able to work on a w2 basis and convert to FTE following contract duration. For our w2 consultants, we offer a great benefits package that includes Medical, Dental, and Vision benefits, 401k with company matching, and life insurance._ Rate: $70.00 to $85.00/hr. w2 Responsibilities: + Program well-designed, testable, and efficient code across front-end and back-end layers. + Execute full lifecycle software development including 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 and procedural code including stored procedures, functions, triggers, views, and reusable data access components. + Build and integrate RESTful APIs and microservices with clean data contracts and reliable integrations. + Develop modern front-end components using frameworks such as Angular or React with attention to accessibility and performance. + Conduct code and design reviews for application and database components focusing on performance, security, and maintainability. + Create flowcharts, ER models, data flow diagrams, and technical documentation. + Apply security and privacy principles including secure coding, RBAC, encryption, input validation, auditing, and least privilege. + Analyze, design, and develop unit, integration, and end-to-end tests and implement test automation for APIs, UIs, and database code. + Develop verification plans, quality assurance procedures, and data validation and reconciliation checks. + Participate in deployments following change controls and manage schema migrations, release automation, and rollback strategies. + Troubleshoot, debug, and upgrade existing systems across the stack to ensure reliability, scalability, and completeness. + Monitor and tune performance through query plans, indexing, partitioning, application profiling, caching, and CDN strategies. + Recommend improvements for architecture, data models, code quality, and operational resilience. + Demonstrate teamwork, promote component reuse, mentor peers on best practices, and contribute to internal standards. Experience Requirements: + 7+ years of full-stack development using Java, Spring Boot, REST, JavaScript or TypeScript, Angular or React, CSS or HTML, Node.js, or C#. + Expert-level database experience with major RDBMS such as Oracle, SQL Server, or PostgreSQL and familiarity with NoSQL such as MongoDB. + Advanced SQL and procedural extensions such as PL/SQL or T-SQL including complex query optimization, window functions, and CTEs. + Strong data modeling across conceptual, logical, and physical layers with normalization and denormalization for OLTP and OLAP. + Experience building and maintaining ETL or ELT pipelines using tools such as SSIS, Informatica, Talend, or dbt and orchestration with Airflow. + Knowledge of application frameworks, microservices, and containerization and cloud patterns including Docker and Kubernetes. + Ability to review test plans and test data with hands-on CI/CD, automated testing, and migration tooling such as Liquibase. + Understanding of cross-platform interoperability including JDBC or ODBC, APIs, NT or intranet, and multiple toolkits. + Strong grasp of security and privacy controls across the stack including secure coding, encryption, masking, auditing, and compliance fundamentals. + Effective teamwork, communication, and organization with the ability to collaborate in fast-paced, cross-functional environments. + Experience in the securities or financial services industry (preferred). Education Requirements: + Bacheloru2019s degree in Computer Science, Engineering, Information Systems, or related discipline, or equivalent work experience. _Recruitment Transparency Notice_ _Eliassen Group values transparency in our recruitment practices. Please be advised that Eliassen Group utilizes artificial intelligence (AI) tools as part of its initial application screening process. You may receive email and SMS notifications from the Eliassen Virtual Recruiting Team (_ _ _, 781-808-2924) inviting you to complete a brief voice screening as part of your application process. These tools assist our hiring teams in different ways, including but not limited to, assistance in reviewing application materials to help identify candidates whose qualifications most closely match the requirements of the position. All AI-assisted evaluations and responses are reviewed by human recruiters before any hiring decisions are made. The use of AI in our process is intended to support fairness, efficiency, and consistency, and Eliassen Group takes measures to prevent bias or discrimination in connection with its hiring practices. By proceeding, you acknowledge, agree, and consent to Eliassen Groupu2019s use of these tools, including AI tools, as part of the application and hiring process._ _Skills, experience, and other compensable factors will be considered when determining pay rate. The pay range provided in this posting reflects a W2 hourly rate; other employment options may be available that may result in pay outside of the provided range._ _W2 employees of Eliassen Group who are regularly scheduled to work 30 or more hours per week are eligible for the following benefits: medical (choice of 3 plans), dental, vision, pre-tax accounts, other voluntary benefits including life and disability insurance, 401(k) with match, and sick time if required by law in the worked-in state/locality._ _Please be advised- If anyone reaches out to you about an open position connected with Eliassen Group, please confirm that they have an email address and never provide personal or financial information to anyone who is not clearly associated with Eliassen Group. If you have any indication of fraudulent activity, please contact_ _ _._ _About Eliassen Group:_ _Eliassen Group is a leading strategic consulting company for human-powered solutions. For over 30 years, Eliassen has helped thousands of companies reach further and achieve more with their technology solutions, financial, risk & compliance, and advisory solutions, and clinical solutions. With offices from coast to coast and throughout Europe, Eliassen provides a local community presence, balanced with international reach. Eliassen Group strives to positively impact the lives of their employees, clients, consultants, and the communities in which they operate._ _Eliassen Group is an Equal Opportunity/Affirmative Action Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, pregnancy, sexual orientation, gender identity, national origin, age, protected veteran status, or disability status._ _Donu2019t miss out on our referral program If we hire a candidate that you refer us to then you can be eligible for a $1,000 referral check_

Created: 2026-01-27