Oracle PL/SQL Developer

Oracle PL/SQL Developer (DHTMLX, Vanilla Javascript, React.js, PostgreSQL, AWS Cloud) Optomi, in partnership with a software and payments integration client is seeking an Oracle Pl/SQL Developer for a fully remote position. This role is a 6 month contract to hire opportunity. Experience of the right candidate: • Primary: Oracle PL/SQL web application with DHTMLX frontend • Secondary: Node.js APIs, modern tooling, AWS Cloud • Future: React components (long-term roadmap) Responsibilities of the right candidate: • This role will focus heavily on Oracle PL/SQL development and DHTMLX-based web interfaces, working within a “thick database, thin application” architecture. • Ideal for developers who thrive in enterprise environments with mature codebases and complex business workflows. Technical Skills: Oracle PL/SQL development (7+ years) • Functions, procedures, packages, views • Complex business logic • Performance tuning & optimization • Oracle mod\_plsql framework • Database-driven web application patterns • Oracle Application Server deployment • Advanced SQL Frontend Legacy Technologies (Critical): DHTMLX Suite v5.1 (2+ years preferred) • Grids, forms, layouts, charts • Custom configuration, styling, event/data handling Vanilla JavaScript • DOM manipulation, AJAX, async programming • Cross-browser compatibility HTML/CSS • Semantic markup for data-heavy apps • Enterprise application styling • Responsive design principles jQuery (2+ years) • DOM manipulation, AJAX integration with Oracle backend • Plugin development/integration Modern Backend • Node.js/Express.js (2+ years) • RESTful APIs, node-oracledb connectivity • Authentication & middleware Cloud & DevOps • AWS: ECS, RDS Oracle, S3, CloudWatch • Docker: Basic containerization • Git: Version control & collaboration Development Environment • Oracle SQL • Plus, SQL Developer, TOAD • JavaScript debugging (browser dev tools) • Unix/Linux command line basics