Senior Full Stack Engineer with Rule Engine and API development (Node.js, Java, Drools,)
HAN Staffing
Job ID: 25905864Reference Number: 25-00790Title: Senior Full Stack Engineer with Rule Engine and API development (Node.js, Java, Drools,)Location: Nashville, TNPosted Date: 2025-07-16Contact: Mahi MahiContact Email: View email address on click.appcast.io Phone: (609) 701-8019Company: HAN Staffing Role Overview:We are looking for a highly skilled and motivated Senior Full Stack Engineer specializing in Rule Engine and API development. In this pivotal role, you will be responsible for designing, developing, and maintaining robust, secure, and scalable applications that deliver exceptional user experiences.Key Responsibilities:Develop efficient, maintainable, and high-quality code within established timelines.Lead and mentor a cross-functional team of analysts, developers, and testers.Create detailed technical designs and effectively guide team members through implementation, testing, and deployment.Perform comprehensive code reviews to ensure adherence to coding standards and architectural best practices.Collaborate closely with product owners, UX designers, and system architects to ensure developed solutions meet business requirements.Drive innovation and continuous improvement across development methodologies and processes.Maintain expertise in the latest technologies, tools, and frameworks relevant to our tech stack.Communicate technical challenges, feasibility, and timelines clearly to stakeholders.Required Skills and Experience:Bachelor's degree in Computer Science, Software Engineering, or a related discipline.Minimum of 7 years' experience in software development.Proven expertise in Java and Rule Engine technologies, preferably Drools, with deep knowledge of rule execution at design time and runtime.Proficient in Node.js, JavaScript, React.js, GraphQL, JSON, YAML, HTML, XML, CSS, and RESTful APIs.Solid experience working with databases such as MySQL, Oracle, SQL Server, PostgreSQL, DynamoDB, Redis, or MongoDB.Familiarity with AWS services including Lambda, EC2, ECS, Route53, Elasticsearch, and IAM.Hands-on experience with Continuous Integration and Delivery (CI/CD) using tools like Jenkins.Expertise in performance optimization and building scalable, multithreaded web applications.Extensive experience with modern JavaScript frameworks and libraries including React, Redux, ES6, TypeScript, Babel, and Webpack.Knowledge of reactive programming paradigms and responsive web application design.Familiarity with Agile development methodologies and tools such as Jira, LeanKit, or Trello.Excellent communication skills with the ability to clearly articulate technical concepts to non-technical audiences.Our Technology Stack:Node.js, Java, Drools, SQL, Oracle, Aurora, React, AWS, Docker, GraphDB, Serverless Architecture.
$171.6k - $338.3k
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...operate with resilience... ...’s Cyber Engineering is a new... ...continuous development of... ...experience in full stack software... ...such as Java, Python,... ...or Next.js, and with... ...technology stack: Node.js,... ...consuming REST APIs and... ...subject to the rules governing... ...to senior leaders,...Node.jsJavaLocal area$134.5k - $265.1k
...Forward Deployed Engineer (FDE), you... ...directly with client... ...experience in full stack development across... ...Angular, or Next.js).Backend expertise in Node.js, Python... ...Flask), or Java (Spring... ...integrating REST APIs,... ...subject to the rules governing the... ...employees to senior leaders, we...Node.jsSeniorJavaLocal areaVisa sponsorship$134.5k - $265.1k
...to operate with resilience,... ...Forward Deployed Engineer (FDE) Sr... ...in full stack development across frontend... ...Angular, or Next.js).Backend... ...in Node.js, Python... ...Flask), or Java (Spring Boot... ...integrating REST APIs, microservices... ...with senior client stakeholders... ...under the rules and...Node.jsSeniorJavaLocal areaVisa sponsorship$122k - $240.5k
...Software Engineer III with Agentic AI Experience... ...'ll doAs a Senior Consultant,... ...and delivering full-stack software and... ...asynchronous APIs on cloud-... ...on full-stack development, including 3+... ...such as Python, Java, .NET, Go, or Node.js and at least... ...subject to the rules governing the...Node.jsJavaWork at officeLocal areaFlexible hoursShift work- ...Senior Software Engineer (Fraud Technology) Location:... ...software across the full stack. You will lead... ...partner closely with product managers... ..., and team development. This role offers... ...React/TypeScript, Java or Node.js, SQL/NoSQL, AWS,... ...experiences. Lead API design and...Node.jsSeniorJava
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$120k - $150k
...providers has grown into a full-suite healthcare... ..., internally and with our clients, ensuring... ...industries. As a Senior Full Stack Development Engineer, you will play a key... ...scalable applications and APIs that power mission-... ...scalable systems using Java and Spring Boot or...SeniorJavaWork at officeLocal areaShift work2 days per week$122k - $240.5k
...Summary As a Full Stack Engineer Senior Consultant in... ..., collaborate with product and engineering... ...interfaces (APIs), automations,... ...into software development and deployment workflows... ...using Python, Java, or Node.js, and 1+ years of... ...subject to the rules governing the...Node.jsSeniorJavaLocal areaVisa sponsorship- ...hire innovators with the passion,... ...Function The Senior Software Engineer is responsible... ...of the development of platforms and... ...proficiency in Java (Spring Boot,... ...understanding of RESTful API design, OAuth... ...Experience in full stack development... ...Experience in Node.js programming...Node.jsSeniorJavaLocal areaShift work
- Seeking a Senior Software Engineer with strong hands‑on frontend, backend, and Azure cloud development experience to build and support... ...expertise in Athena APIs, patient/provider... ...interfaces using React.js / Next.js. Develop... ...backend services using Node.js / C# .NET, with...Node.jsSenior
$100k - $160k
Full Stack Cloud Engineer As a Full Stack Cloud Engineer, you'll build... ...developing backend services, APIs, and integrations... ...collaborate closely with clients and project teams... ...like Python, Java, and PHP Participating... ...multiple languages including Node.js, Python, Angular,...Node.jsJava$105.4k - $207.8k
...clients to operate with resilience, grow... ...AI agents, bots, API keys, and cloud tokens... ...you'll doAs a Senior Engineering Management Specialist... ..., workflows, rules, and integration components... ...and secure development practices across identity... ...with Java, JavaScript, JavaServer...SeniorJavaLocal areaVisa sponsorship- ...in the design and development of equipment and systems... ....The Application Engineer in the Integration... ...software in Java. This requires working... ...in conjunction with business analysts,... ...discipline4+ years of full time software... ...accept direction from more senior staff....SeniorJavaFull time
$175k - $200k
...sports agency, with global expertise... ...self-motivated engineers with a passion... ...Typescript, and Node. In-depth... ...experienced and talented Senior Full Stack Web Developer... ...an agile development team, managing... ...Angular, or Vue.js. Strong knowledge... ...of RESTful APIs and web services...Node.jsSeniorPermanent employmentFull timeWork experience placementWork at officeLocal area- ...Senior Big Data Platform Development EngineerAs Senior Software Engineer, you will evolve the data... ...support business rule processing of... ...will work with engineering,... ...resourceful backend or full-stack development... ...Spark in Java, Scala,... ...like Networking/API Market Place/...Java
$91.7k - $163.7k
...The work you do with our team will directly... ...and career development opportunities. Come... ...together. As a Senior Software Engineer , you will join an... ...creating serverless API integrations, and... ...based on full-time employment.... ...or federal laws, rules, or regulations....SeniorMinimum wageFull timeWork experience placementLocal areaRemote work$150k
...Full Stack EngineerNashville, TennesseeDowntown... ...Stack Software Engineer to help build... ...— data model, API design, and... ...TypeScript (Next.js) interfaces... ...augmented, spec-driven development workflow —... ...(e.g., CWR) — with the precision that... ...TypeScript and Node.js across the...Node.jsWork experience placementLocal areaWorldwide- ...scale their customer support with speed, precision, and flexibility... ...pace, we need a hands-on Full Stack Engineer who loves building scalable... ...— front-end, back-end, APIs, and cloud. Take pride in... ...learning quickly.) Frontend: Vue.js, React + Next.js Backend:...SeniorFull time
$134.5k - $265.1k
...As a Senior Consultant in... ...AI-enabled engineering solutions. This... ...domain depth with the ability... ...following - Python, Java, or Node.js1+... ...Front-end / full-stack breadth — JavaScript... .../ Next.js) for building... ...subject to the rules governing... ...Professional development From entry-...SeniorJavaLocal areaVisa sponsorship$150k - $180k
...Title: Staff Software Engineer Pearson's PSG-CP... ...yet, and leaves with software that addresses... ...one. Owning the full stack. Frontend, backend,... ...order of importance (Node.JS, Java, and Python). API design, data modeling... ...engineering, agent development, evaluation frameworks...Node.jsJavaFull timeRemote workShift work- ...Vice President of Engineering About the Company... ...application security api security pentesting... ...a global team in the development of a cutting-edge AI-... ...expected to collaborate with the senior leadership team on... ...additional familiarity in Node.js and cloud...Node.js
- ...justice system with an unrivaled technology... ...Software Engineer to assist with application development and implementation... ...in React, Node.js, and TypeScript,... ...background in .NET or Java Excellent... ...microservices, APIs, and distributed... ...freelancing or via full-time employment)...Node.jsJavaFull timeFreelanceWork at officeLocal areaRemote work
$79.2k - $209.5k
...total software development experience.... ...coding ability in Java, GoLang, C#, or... ...working across the full software... ...operational environments with mission-... ...a new software stack from the ground... ...blends software engineering strength with network... ...will work with senior technical...SeniorJavaFull timeFlexible hours- ...President of Software Engineering, Marketing Technology... ...Software Engineering with a focus on marketing... ...responsible for the development, scalability, and innovation... ...web architecture, APIs, and scalable, cloud-... ...coding experience in Java, TypeScript, Node.js, and SQL is required,...Node.jsJava
$102.7k
...driving the design, development, and... ...Genesys integration with Google Dialogflow . The Senior Architect will apply... ...and mentoring engineers to build high-quality... ...Typescript and Node.js . ESSENTIAL... ...Preferred Java Developer DB2... ...and state laws, rules, and regulations...Node.jsSeniorJavaFor contractorsWork at officeLocal area$135.2k - $306.4k
...Science, Computer Engineering, or equivalent... ...prefer 10+ years of full-stack software development, including... ...development experience in Java, Python, Go, and/... ...designing REST APIs and building... ...-tenant services with clear isolation,... ...operations. This is a senior IC5 position that...SeniorJavaFull timeFlexible hours$140k - $200k
...at your own speed, and with tools that make learning... ...We're looking for a Senior Software Engineer to join our Core Experiences... ...designing clear, reliable APIs and simple systems that... ...and PMs Preferred Tech Stack: Kotlin Multiplatform (Java experience is OK but...SeniorJavaFull timeRemote work- ...Senior Staff Software Engineer Experience the HCA Healthcare difference... .... Grow your career with an organization... ...software in a software development environment. This engineer... ...using ReactJS, Node.js, Vue.js, NestJS... ...design of REST-based APIs • Nuanced understanding...Node.jsSeniorTemporary workWork experience placementFlexible hours
$92.5k - $209.5k
...platforms, intelligent development workflows, and AI-powered engineering tools and platforms... ....We are seeking a Senior Platform Software... ...regressions with minimal manual test... ...service telemetry, API changes, incidents,... ...languages, such as Java, Go, Python, or C++...SeniorJavaTemporary workFlexible hours
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