Top Senior Javascript Jobs

Own the specification, design, and implementation of features for FareHarbor’s large-scale web application. Collaborate with product team members, develop scalable and performant full-stack solutions, improve automated testing, resolve technical challenges, and participate in code reviews. The role requires strong Python and JavaScript skills, experience with front-end and back-end frameworks, relational databases, performance optimization, and agile development.

Own the specification, design, and implementation of features for FareHarbor’s large-scale web application. Collaborate with product teammates, develop scalable and performant full-stack solutions, improve automated testing, resolve technical issues, and participate in code reviews. The role requires strong Python and JavaScript skills, experience with front-end and back-end frameworks, relational databases, and production scalability challenges.

Lead end-to-end technical initiatives for enterprise web platforms, make cross-team architectural decisions, establish engineering standards, and promote AI-native development practices. Advise and influence engineering teams, collaborate with product and design leadership, mentor engineers, support interviewing and onboarding, and build high-traffic front-end experiences using JavaScript, Angular, React, Node.js, HTML, CSS, and TypeScript.

Develop and sustain front-end interfaces for intelligence reporting and geospatial collaboration tools. Responsibilities include enhancing Section 508 accessibility, redeveloping user interfaces, integrating and troubleshooting application interfaces, and performing software development, testing, maintenance, and problem resolution using Java, GWT, PrimeFaces, Quarkus, HTML, CSS, and JavaScript.

Build and maintain full‑stack web applications using Vue/Nuxt, TypeScript, Node.js and AWS. Implement SSR/SSG apps, reusable components, APIs, integrations with CMS and third‑party services, and improve performance, accessibility, SEO, monitoring, and AI-enabled marketing workflows. Participate in reviews, debugging, and cross‑functional collaboration.

Lead and develop front-end applications using HTML, CSS, and JavaScript, mentoring junior developers and ensuring code quality. Collaborate with cross-functional teams to deliver innovative solutions.

Designs, develops, tests, and maintains scalable identity and access management applications using Java and JavaScript. Responsibilities include implementing complex system components, resolving bugs, conducting code reviews, supporting CI/CD, and defining logging, instrumentation, and alerting requirements. The role collaborates with technical stakeholders, translates requirements into software designs, participates in Agile or Waterfall environments, performs pair programming, and mentors junior developers. Experience with identity providers, OIDC, databases, cloud infrastructure, containers, and Kubernetes is valuable.

Designs, develops, tests, and maintains scalable identity and access management applications using Java and JavaScript. Responsibilities include software design, complex bug fixes, code reviews, CI/CD implementation, operational logging and alerting, requirements analysis, technical issue resolution, and collaboration with cross-functional teams. The role also involves pair programming, mentoring junior developers, and working with identity providers, cloud infrastructure, databases, and containerized environments.

Develop and maintain full-stack web applications using React, TypeScript, Node.js, and NestJS. Build REST APIs, responsive interfaces, automated tests, and integrations with relational databases and search platforms. Support OpenSearch optimization, CDC and streaming pipelines, semantic search, and data enrichment. Deploy cloud-native applications using Kubernetes, OpenShift, Helm, and GitOps workflows. Collaborate with Agile teams and stakeholders to deliver performant, reliable enterprise products.

Develop and maintain full-stack web applications using React, TypeScript, Node.js, and NestJS. Build REST APIs, integrate relational databases and search platforms, and support CDC and streaming pipelines using Kafka, Debezium, Flink, and related technologies. Deploy cloud-native applications on Kubernetes/OpenShift through Helm and GitOps workflows. Contribute to automated testing, OpenSearch optimization, semantic search, data enrichment, observability, and Agile enterprise product development.

Develop and maintain high-scale JavaScript and TypeScript monetization solutions using Prebid.js, Prebid Server, and Google Ad Manager. Own the header bidding wrapper, integrate auction and ad-tech standards, optimize Core Web Vitals and client-side performance, operate Google Cloud services, review code, document architecture, and resolve production issues.

Design and build AI-centric full‑stack TypeScript web applications (SPAs and APIs). Collaborate on product and architecture, own technical decisions, mentor peers, perform code reviews, and manage project priorities and deliverables.

As a Senior Full-Stack Software Engineer, you will build AI-centric web applications in TypeScript, manage project priorities, and make technology decisions while collaborating with Product and Design teams.

Build end-to-end features in a JS/TS stack, designing scalable backend services and responsive real-time frontends. Improve observability, performance, and reliability, collaborate with product/design, and own full-stack implementation from APIs and data models to UI.

The Software Systems Engineer designs, codes, analyzes, tests, debugs, and implements complex software applications, focusing on frontend development using JavaScript and database management.

Looking for a JavaScript developer with strong database skills to design and code applications, implement solutions, and troubleshoot software issues.

The Sr JavaScript (React) Developer will make software design decisions, mentor team members, and develop, test, and deliver project tasks using Agile methodology.

The role involves leading the development of a high-performance Web SDK for fraud detection and risk management, implementing algorithms for device fingerprinting, and ensuring security and performance optimization.

Seeking a Senior Software Engineer specializing in JavaScript, React, and Node.js to develop modern web applications and utilize AI in development workflows.

Take end-to-end ownership of backend features and SaaS services in a microservices architecture. Design, implement, deploy, and operate scalable, reliable Node.js services. Work with Redis Streams, MongoDB, Kubernetes, and ensure test coverage, performance tuning, and collaboration with cross-functional teams.

Build responsive, accessible React frontends and Node.js backend services; use AI-assisted development tools responsibly to accelerate implementation, testing, and refactoring; follow TDD, CI/CD, and automated testing; collaborate with UX, product, and QA; contribute to hiring and knowledge sharing for the London engineering team.

As a Senior Full-Stack Software Engineer, you will develop AI-centric web applications, participate in architectural decisions, and mentor team members while managing project priorities and deliverables.

Develop user-centric, accessible front-end web applications in collaboration with UI/UX designers and back-end developers using JavaScript and React. Ensure cross-browser/platform compatibility, meet accessibility and security requirements, participate in code reviews, mentoring, and support back-end development as needed.

Design and implement robust backend architectures using Node.js and TypeScript, focusing on scalable services and pipelines, while ensuring code integrity and optimizing performance.

Design, develop, configure, test, and deploy front-end web applications using TypeScript/JavaScript and frameworks like Angular or React. Collaborate with analysts, PMs, and clients, participate in code/design reviews, write documentation and runbooks, build monitoring/automation tools, and support application infrastructure, deployments, and performance improvements.