Senior NLP Engineer (agentic AI)
Ditto AI is seeking a Senior NLP Engineer to design and build the language systems powering their AI agents, focusing heavily on production reliability. Responsibilities include working across model integration, conversation pipelines, and agent orchestration to create features like context/memory systems and runtime safety tools. This is a hands-on role requiring significant production experience in shipping conversational AI/multi-turn agent systems.
Senior Backend Engineer (fee Consolidation Service)
LI.FI is seeking a Senior Backend Engineer to join the team building partner backoffice software, focusing on crypto literacy and blockchain-aware system design. Key responsibilities include designing, developing, and maintaining scalable backend systems and APIs that interact with crypto-native concepts. The ideal candidate is a senior individual contributor comfortable operating crypto products as a user and maintaining high engineering standards.
Senior Backend Engineer (partner Service)
LI.FI is seeking a Senior Backend Engineer to focus on API design and long-term system quality for their partner backoffice software. Key responsibilities include designing, developing, and maintaining scalable backend systems and APIs, taking ownership of API contracts, and contributing to overall system architecture. The role requires extensive professional experience with TypeScript, Node.js, and strong skills in backend architecture and testing within distributed environments.
Senior Design Engineer (UX / UI)
Relevance AI is seeking a Senior Design Engineer (UX/UI) to lead initiatives across the design lifecycle, from user research and prototyping to implementing elegant UI code. The role requires integrating design and engineering skills to craft intuitive experiences for their AI agent building and orchestration platform. Responsibilities include implementing functional user interfaces, building reusable front-end components, maintaining design systems, and championing high UI/UX standards.
Senior Backend Software Engineer (chat)
Relevance AI is seeking a Senior Backend Software Engineer to join the Chat team in Sydney, focusing on scaling real-time, agentic chat experiences. Key responsibilities include designing and operating scalable backend systems, owning mission-critical services, and pushing the boundaries of applied AI features. The role involves working across a modern tech stack, mentoring team members, and maintaining high standards for code quality and performance.
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Senior Backend Software Engineer (enterprise)
Relevance AI is seeking a Senior Back-End Software Engineer for its Enterprise team in Sydney to build and scale mission-critical platform capabilities related to security, reliability, and compliance for large customers. Responsibilities include designing and operating enterprise-grade back-end systems (SSO, permissions, audit logs), driving initiatives for scalability and performance, and owning projects end-to-end. The role requires strong back-end system design, a focus on robustness, and collaboration across product and customer-facing teams.
Senior Backend Software Engineer (builders)
The Senior Back-End Software Engineer will join the Builders team in Sydney, focusing on developing core platform functionalities like the agent builder and tool builder. Key responsibilities include designing, building, and operating scalable back-end systems that power AI agents and workflows, while mentoring team members. This role offers autonomy to lead projects and directly impact customer-facing features in a fast-paced environment.
Senior AI Engineer
Relevance AI is hiring Senior Engineers to build the next generation of AI-powered products, focusing on turning agentic AI into reliable production systems. Responsibilities span the full stack, including prompt engineering, agent orchestration, backend services, and user interfaces. This is a high-impact applied AI role for engineers excited about LLMs and multi-agent systems.
Senior Backend Engineer
The Senior Backend Engineer will be responsible for leading key components of Core Services, utilizing Node.js within the backend team during a period of high growth. Key responsibilities include data engineering with databases like Postgres SQL and MongoDB, and collaborating cross-functionally to ensure user-focused solutions. The role requires expertise in system design, architecture, and scaling backend systems, with a strong focus on continuous learning and operational excellence.
Senior Software Engineer
The Senior Software Engineer supports the development team in delivering high-quality solutions for the Global Insurance Creditor domain through API implementation, backend/frontend support, and bug fixes. Key responsibilities include leading React and Spring Boot development, overseeing the development team, performing solution design and code reviews, and applying agile methodologies. The role requires ensuring compliance, adhering to security best practices, and providing production technical support for insurance creditor applications.
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Senior Full-Stack Engineer (reactnode)
This role seeks experienced FullStack Engineers to design, develop, and maintain scalable web applications using React.js and Node.js. Key responsibilities include collaborating with cross-functional teams to ship new features, optimizing performance, and upholding high code quality standards. Strong communication skills are essential for success in this remote, collaborative environment.
Senior Full-Stack Engineer (react Native / Node.js)
Sitemate is seeking a Senior Mobile / Full Stack software engineer to join their collaborative team, offering significant technical authority and autonomy. Key responsibilities include developing new features, fixing bugs, and re-architecting core components across two mobile products and their backends. The role involves contributing to architectural decisions, mentoring junior engineers, and ensuring a high standard of code quality and developer experience.
Senior Platform Technical Lead
The Senior Platform Technical Lead will architect, refactor, and scale high-load distributed systems, focusing heavily on performance and latency reduction. Key responsibilities include leading by example through coding, rigorous code review, debugging production issues, and mentoring engineers. This role requires deep technical competence in backend systems (Node.js/TS, AWS, Kubernetes) combined with strong architectural decision-making abilities.
Senior Software Engineer, Infrastructure And Security
The Senior Software Engineer, Infrastructure and Security role involves designing and building scalable infrastructure, including container orchestration and security enhancements, to support Vanta's rapid growth. Key responsibilities include leading projects across cloud infrastructure, implementing core security controls, and solving complex scalability and performance challenges. Success in this role requires technical leadership experience on infrastructure/platform teams and a deep care for performance and reliability.
Senior Developer Advocate
The role involves acting as a Senior Developer Advocate, leveraging strong JavaScript expertise to educate and inspire the developer community through content creation, workshops, and conference talks. Key responsibilities include producing high-quality technical materials, championing the company's tools, and collaborating with product teams. Candidates should have at least five years of technical experience, preferably within an enterprise JavaScript/TypeScript environment.
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Senior Backend Developer, Data Team
CapIntel is seeking a Senior Backend Developer to join the Data Team to design and deliver scalable infrastructure, robust ETL pipelines, and secure API integrations for their financial proposal generation platform. Key responsibilities include developing data pipelines using JavaScript/TypeScript, Node.js, and Temporal.io, architecting storage solutions for financial data on AWS, and mentoring intermediate developers.
Senior Full-stack Developer (angular/Node.js)
Worldly is hiring a Senior Full-Stack Developer to design, develop, and maintain a large-scale Angular front-end application and integrate back-end systems using ExpressJS and various databases. Key responsibilities include building RESTful APIs, managing state with NGRX, and ensuring performance optimization and security. This role requires 7+ years of experience, strong proficiency in Angular (v8+), TypeScript, and ExpressJS/Node.js for API development.
Senior Software Engineer, Infrastructure And Security
The Senior Software Engineer will join Vanta’s Infrastructure & Security team to build scalable infrastructure supporting rapid growth. Responsibilities include designing and leading projects across cloud infrastructure (like AWS Fargate/ECS), implementing core security controls, and solving complex scalability challenges. Success in this role requires technical leadership experience on infrastructure teams and deep care for performance and reliability.
Full-Stack Engineerme
The Full Stack Engineer will collaborate with the team to analyze customer/system requirements, design software frameworks for new features, and manage software platform upgrades and defect fixes. Key responsibilities also include supporting cross-functional teams and resolving issues throughout product development phases. The role requires strong proficiency in programming languages like Python and C#, familiarity with modern frontend frameworks, and expertise in backend technologies like ASP.NET Core and relational databases.
Senior Software Engineer - Wallet Core
The Senior Software Engineer will join the Wallet Core Team to build an API-first platform for crypto products. Key responsibilities include designing and building scalable APIs, libraries, and services, owning functionality from inception to deployment, and collaborating cross-functionally. The role requires strong back-end development experience, expertise in TypeScript/Node.js/PostgreSQL, and a Bachelor's degree in a technical discipline.