Senior Software Engineer
The role seeks an experienced Senior Engineer to be a hands-on technical leader for foundational platform systems, working across the stack to build scalable services and optimize infrastructure. Key responsibilities include technical leadership, architecting components using Node.js/TypeScript/AWS, building distributed systems, and mentoring engineers. This position requires 5+ years of software engineering experience with a strong focus on backend systems and expertise in Node.js and distributed systems design.
Senior Engineering Manager (m/f/d)
Affinidi is seeking a Senior Full Stack Engineering Manager to lead multiple engineering teams building the Affinidi Elements platform, focusing heavily on backend systems using Rust and TypeScript. The role requires blending people leadership with deep technical leadership, driving architectural decisions, quality assurance, and technical strategy for secure, scalable, and performant distributed systems. Key responsibilities include growing high-performing teams, defining best practices, and executing the technology roadmap in collaboration with product stakeholders.
Full-Stack Developer L3 /agentic AI
Robots & Pencils seeks a Full Stack Developer (L3) to build and scale conversational and agentic AI applications, integrating LLMs and robust APIs. The role involves engineering both front-end (React/Next.js) and scalable backend services, while collaborating closely with cross-functional teams on feature implementation and delivery. Candidates must possess strong software engineering fundamentals and practical experience with modern development tools.
Senior Php Engineer
FloSports is seeking a Senior PHP Engineer to modernize and scale backend systems supporting their digital sports streaming platform. Key responsibilities include supporting high-throughput legacy systems, participating in code reviews for quality assurance, and contributing to system design evolution. The role requires balancing stability and performance while focusing on pragmatic, maintainable solutions for millions of fans.
Staff Software Engineer, Backend
The Staff Backend Engineer will be a key technical leader responsible for evolving FloSports' backend systems, focusing on distributed systems, identity, and service reliability. Responsibilities include driving modernization efforts for identity and access management, leading the architecture and development of scalable backend services, and providing technical mentorship to senior engineers. The role requires deep expertise in authentication frameworks, TypeScript/Node.js, and cloud architecture on AWS.
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Staff Data Platform Engineer
The Staff Data Platform Engineer role at Flo blends Data Engineering, Backend Engineering, and Cloud Engineering to build reliable, scalable, and efficient data services that power fan experiences. Key responsibilities include leading the architecture and design of large-scale distributed systems, developing fault-tolerant microservices for real-time and batch processing, and driving data quality initiatives. The engineer will also be expected to mentor others and take end-to-end ownership of the software development lifecycle.
Frontend Engineer
The role is for a Senior React Frontend Developer who is expected to think like a full-stack engineer and take full ownership of their products. Responsibilities include building new features that process large datasets, creating customized client applications, and collaborating with the product team to shape user experience. This position requires deep technical skills and the ability to solve complex customer problems effectively.
Staff Software Engineer (python, AWS)
The Staff Software Engineer will create robust, scalable, and secure microservices on AWS, leveraging technologies like TypeScript, and owning services end-to-end. A critical function involves shaping the AI strategy by leading design decisions, embedding AI responsibly, and mentoring teams on AI capabilities, safety, and governance. Responsibilities include setting technical direction across teams, piloting new technologies, and ensuring secure, high-performance delivery.
Junior Mobile App Engineer
The role is for a motivated Junior Mobile App Engineer passionate about mobile development, user experience, and code quality. Responsibilities include developing and maintaining the mobile app frontend using React Native, focusing on accessibility, security, and continuous improvements. The candidate will work collaboratively with experienced engineers and cross-functional teams to deliver a high-quality mobile experience.
Senior Full-Stack Software Engineer (d/f/m)
Leapsome is hiring a Senior Full Stack Software Engineer to join a small, impactful engineering team focused on revolutionizing HR tech. Key responsibilities include designing and developing features for People Enablement modules, heavily involving the creation of AI-powered solutions using cutting-edge technologies. The role requires close collaboration with product and design teams to deliver user-centric solutions using the modern tech stack of Vue.js, Node.js, and MongoDB.
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Backend Developer Junior (kyndryl Graduate Program)
This role seeks a Junior Backend Developer to join the Kyndryl Graduate Program to build and maintain mission-critical backend services and RESTful APIs, primarily using Python or Node.js (TypeScript). Key responsibilities include containerization with Docker, interacting with relational and NoSQL databases, and collaborating with cross-functional teams using Git and agile practices. The ideal candidate possesses a growth mindset, customer focus, and a systems-related educational background.
Full-stack Engineer AI Agent Platform (fraud, Risk & Aml)
The Full-Stack Engineer will be responsible for designing and building full-stack systems for Oscilar’s next-generation AI Agent Platform, covering backend APIs, data pipelines, and interactive frontends. Key tasks involve implementing serverless architectures using AWS Lambda and Python, experimenting with agentic frameworks and LLMs for risk/fraud challenges, and collaborating closely with founders on the platform roadmap. This role requires 4+ years of experience in full-stack or backend engineering and a proven ability to take products from zero to one in fast-moving environments.
Senior Full-Stack Engineer
Zircuit is seeking a Full-Stack Engineer to develop and maintain DApps at the intersection of AI and blockchain. Responsibilities include blending front-end and back-end solutions using technologies like React, NextJS, Node.js, and Python, while focusing on scalability and high performance. The role involves working within an agile team to rapidly prototype innovative DApps and maintain existing systems.
Engineering Lead
The Engineering Lead will own the platform's increasing technical complexity by making sound architectural decisions and improving development processes. Key responsibilities include architecting a unified codebase for multi-platform support, evolving TypeScript/Node.js/React/WebSocket systems, and leading the team's technical direction. This is a high-impact leadership role focused on improving scalability, maintainability, and raising technical standards across the organization.
Senior Backend Developer
This role involves architecting and delivering scalable, high-performance services and web applications, focusing heavily on backend development using Go (Golang). Responsibilities include engineering secure RESTful APIs, developing modern frontends with React/Next.js, implementing event-driven patterns, and managing data models across SQL and NoSQL stores. The developer will also contribute to CI/CD pipelines, infrastructure as code, and mentor peers.
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Software Engineer (Backend) - Brazil
The Software Engineer will design, build, and scale the backend infrastructure powering autonomous AI employees. This role requires strong experience in building scalable, data-intensive services using modern APIs and proficiency with cloud platforms like AWS. Key principles for this mission include prioritizing velocity, acting like a founder, operating efficiently, and ensuring clear communication.
Senior Software Engineer, Site Discovery & Localization
Webflow is seeking a Senior Software Engineer for the Site Discovery & Localization team to build intelligent content experiences. This role involves full-stack development using a MERN stack, focusing on features that help users analyze, optimize, and localize website content through guided, semi-automated workflows.
Product Engineer
Attio is seeking a Product Engineer to implement features across their Node.js backend and React frontend using JavaScript/TypeScript. The role involves delivering cutting-edge user experiences in a high-performance, data-rich application while adhering to high quality standards. The ideal candidate should be self-motivated, passionate about learning new skills, and capable of communicating technical ideas effectively.
Software Engineer - Backend
The Software Engineer Backend will join a talented product development team focused on feature development related to company growth initiatives such as plans, pricing, trial, payment, and onboarding experiences. This role involves close collaboration with cross-functional partners like product managers, designers, and front-end engineers to innovate and deliver significant value. The position is based in Paris under a hybrid culture, requiring fluency in English.
Engineering Manager
The Engineering Manager will architect, refactor, and scale a high-load distributed system while leading technical execution through coding and reviews. Key responsibilities include performance tuning, making critical design trade-offs, and owning incident resolution alongside Product Owners and Architects. Candidates should bring over 5 years of backend experience focused on Node.js/TypeScript, containerization, and cloud technologies.