Full-stack Engineer

• Take complete ownership and deliver major AI engineering features within agreed timelines.
• Own AI output quality, structure, and predictability across all user-facing AI interactions.
• Design, implement, and maintain output-type-based AI systems, including segmentation, routing, and enforcement.
• Ensure consistent output structure and formatting across different LLMs for the same request type.
• Integrate and orchestrate multiple LLM providers via OpenRouter, managing model selection, fallback strategies, and cost optimisations.
• Design and orchestrate tool-using and agentic AI workflows, defining clean tool contracts (including MCP-based tools), function-calling interfaces, and reliable AI-to-system integrations.
• Build and maintain complex, multi-step LLM workflows, including with orchestration frameworks such as LangChain or LlamaIndex, for advanced reasoning, context reuse, and retrieval.
• Design and manage production prompt systems with dynamic prompting, context injection, and conditional logic.
• Own the deployment and release of LLM experiments, prompt management, and Langfuse-based evaluation pipelines.
• Run A/B tests across models, analyse results, and present data-driven impact assessments of AI features and experiments.
• Monitor AI system metrics, quality signals, latency, and release health using Langfuse and other observability tools.
• Deep-debug complex LLM chains using Langfuse traces, identifying bottlenecks and optimising for cost, latency, and context-window usage, and build output-scoring systems to root-cause hallucinations and logic errors.
• Write clean, scalable, and maintainable TypeScript code across the Next.js and Node.js stack.
• Build reliable backend logic for AI systems, with strong error handling, request validation, fallback flows, and predictable behaviour in production, including reliable tool execution and AI-to-service integrations.
• Ensure high code quality through testing, code reviews, and clear engineering standards.
• Monitor, troubleshoot, and improve production performance, reliability, and system health.
• Drive maintainability and technical quality through solid architecture, refactoring, and disciplined release practices.

Senior AI Software Engineer

• Diseñar y construir aplicaciones web de extremo a extremo, cubriendo frontend, backend y nube.
• Desarrollar y mantener APIs y microservicios escalables.
• Implementar mecanismos robustos de autenticación y autorización.
• Construir interfaces de usuario accesibles y responsivas con alto rendimiento.
• Desplegar, monitorear y mantener aplicaciones en entornos de nube.
• Colaborar con equipos multifuncionales.

Fullstack Engineer, Developer

• Build, ship, and iterate on core product features across the stack.
• Take ownership of features assigned to you — from implementation through production rollout and iteration.
• Implement responsive, accessible UIs using TypeScript, TailwindCSS, and established design systems.
• Work with backend services and APIs, integrating frontend logic with scalable systems.
• Participate actively in code reviews and contribute to maintaining high engineering standards.
• Debug, optimize, and improve production systems in a high-traffic environment.
• Communicate blockers, risks, and progress early and clearly.
• Work closely with Product and the rest of the engineering team to support fast, iterative delivery.

Middle Full-Stack Engineer

• Own Checkout-specific backend capabilities that power funding flows end to end
• Design and build integration patterns for external providers
• Define and maintain backend contracts between Checkout UI, provider systems
• Drive cross-functional technical discovery when Checkout depends on Core backend
• Implement frontend work where useful

Senior Full Stack Engineer – Checkout

• Building top-notch features for our guests' self-checkin
• Helping teammates evolve the API for remote door opening
• Working on the next piece of our SaaS platform
• Jumping into demand forecasting or pricing recommendations
• Shipping task automations across domains like housekeeping, distribution, or inventory optimization
• Building CI/CD, automation, cloud setup, and internal AI workflows

Senior Software Engineer

• Build and enhance web-based BI and analytics applications using Angular or similar frontend frameworks.
• Write and work with complex, production-grade SQL queries that power business logic and reporting workflows.
• Develop and iterate on user-facing product features across frontend and data-driven applications.
• Translate business requirements and data logic into intuitive, scalable user experiences.
• Collaborate closely with stakeholders to understand metrics, reporting needs, and operational workflows.
• Contribute to modular and scalable frontend architectures, including micro-frontend environments where applicable.
• Work across both frontend and data layers, contributing to end-to-end product delivery.
• Take ownership of solutions — from frontend implementation and data logic to production delivery.
• Ensure production-ready systems with a focus on maintainability, usability, and clean code.
• Work in a fast-paced, evolving environment where requirements and priorities can shift quickly.

Senior Fullstack Engineer

• Lead technical decision-making and contribute to the architecture of a high-load, microservices-based gaming platform.
• Stay deeply hands-on and write production code every day. This is not an architecture-only or people-management role.
• Design, develop, and maintain scalable backend services that directly power our gaming products.
• Take ownership of complex backend systems, from technical design to delivery, monitoring, optimisation, and support.
• Continuously improve system performance, latency, reliability, and scalability in a high-throughput environment.
• Collaborate closely with Product Owners, engineers, and cross-functional teams to deliver features end-to-end.
• Drive and participate in code reviews, setting a high standard for clean, maintainable, efficient, and production-ready code.
• Conduct architectural reviews and guide the team toward practical, scalable, and long-term technical solutions.
• Solve complex business and technical problems with a strong engineering mindset and pragmatic decision-making.
• Act as a technical role model for the team by showing strong ownership, discipline, and engineering excellence.
• Mentor other engineers through daily collaboration, technical discussions, and hands-on example.
• Participate in on-call rotations within the squad to ensure system reliability, availability, and fast incident response.
• Grow toward technical leadership while remaining strongly connected to code, delivery, and system ownership.

Principal Software Engineer

• Build the core billing engine: process thousands of transactions daily with precision and reliability.
• Design modular, reusable billing primitives and abstractions that scale across products and regions.
• Integrate with payment gateways, partner APIs, and internal systems.
• Automate billing schedules and workflows across multiple countries.
• Ensure system reliability, accuracy, and operational excellence.
• Collaborate with product, design, and operations to create a unified platform.

Fullstack Software Engineer – Core Billing Platform

• You will be the most senior technical voice on a team of four to five engineers, setting the technical direction while doing real, hands-on work in equal measure.
• You will stay close to the architecture, code, and infrastructure while simultaneously shaping the roadmap and raising the team's bar.
• Your primary focus is the application layer: how services are built, observed, and scaled across the organization.
• You will be building the control plane, tooling, and infrastructure primitives that hundreds of Deel engineers depend on every day.
• The shaping of what the team works on, prioritizing the roadmap, and determining how to tangibly improve developers' lives at Deel is 100% driven by you and the team.
• You will design patterns and infrastructure for a rapidly growing Kubernetes ecosystem, shaping how hundreds of microservices are built, deployed, and efficiently scaled globally.
• You are the ultimate escalation point during critical production incidents.
• You will automate secure provisioning, database setups, and environment registrations so teams can deploy to Dev, Demo, Prod on the exact same day without Infra becoming a bottleneck.
• You will tackle projects equivalent in scale and complexity to replacing entire ingress controller fleets or migrating massive backend traffic volumes to centralized API gateways without dropping requests.
• You will architect zero-downtime secret rotation, eliminate legacy credential injection methods, and enforce strict boundaries between sensitive data and GitOps-driven configurations.
• You will spearhead the evolution of our observability stack.
• You will architect and deploy new platform capabilities, from enterprise-scale real-time WebSocket infrastructure to ensuring our platform natively and efficiently supports the massive influx of event-driven and AI-agentic workloads.
• Work closely with DevOps, DBA, InfoSec, and product engineering teams to align on organizational goals.

Infrastructure Tech Lead – Infra Core

• Deliver Features End-to-End: Ship user-facing features in our core domains with a focus on measurable outcomes.
• Cross-stack Development: Work hands-on with our mobile stack (Flutter, Dart) and extend into backend and web systems where appropriate.
• Build with Care: Develop software following modern practices: API-first design, code reviews, automated testing, and utilizing MR environments for exploratory testing before a merge.
• Validate What You Build: Instrument your features, observe how users actually behave, and use what you learn to refine, double down, or drop what doesn't work.
• AI-Enabled Growth: Transition toward an AI-supported workflow, shifting focus from "writing code to spec" to holistic, end-to-end solution ownership.
• Own Your Features: Own the features you deliver — from technical decisions and cross-team alignment in our guilds to rollout and iteration.

Product Engineer – Mobile

• Develop/document software in C and C++ through all phases of the development lifecycle: concept, requirements, design, architecture, implementation, unit test, integration (HIL), and vehicle level system evaluation
• Solve complex system safety problems with elegant solutions and apply judgment and experience to balance trade-offs between competing interests
• Triage and perform root cause failure analysis through understanding of system contextual usage, end user observation reporting, and system log file information
• Identify opportunities to improve deployed systems; work with software teams to understand data, performance, and potential improvements
• Play a significant role in mentoring and educating the team and organization on software & system safety best practices, processes and tools

Senior Engineer, Safety Software

• Develop and maintain web + mobile applications and services using modern web technologies
• Write clean, maintainable, and well-documented code
• Collaborate with cross-functional teams to design, implement, and test new features and functionality
• Participate in code reviews and contribute to the development of best practices and coding standards
• Debug and troubleshoot issues in production and non-production environments
• Keep up-to-date with emerging trends and technologies in web development

Full Stack Developer, Intermediate

• Architecting and shipping systems that directly move business outcomes
• Working across the full stack — frontend tooling for complex ad workflows, cloud infrastructure, and backend systems
• Building frontend applications for ad operations workflows that handle scale and complexity
• Developing cloud infrastructure on AWS/GCP/Azure: deployment pipelines, monitoring, autoscaling
• Creating backend services and APIs that support multiple AI agent integrations running in production
• Designing system architecture that can grow

Full Stack Engineer

• FullStack Development: Take an active, hands-on role in developing complex features and modules using Next.js for the frontend and NodeJS for the backend.
• Process Management: Implement and optimize Agile methodologies (Scrum/Kanban), including sprint planning, task estimation, and delivery oversight.
• Quality Assurance: Enforce best practices in coding, testing, caching, and performance monitoring to ensure a robust and scalable application.
• Security: Design and implement comprehensive security measures at the application, infrastructure, and data levels.

Full-Stack Developer

• Be part of the team: A fully remote team that has the strength to collaborate and achieve shared goals.
• Custom development: Create innovative solutions that meet our customers' needs and solve their problems.
• Smooth system integrations: Seamless connection of third-party systems such as ERP, PIM, or CRM to software systems to ensure smooth project workflows.
• Implementation of requirements: Turn conceptualized features and complex project ideas into clean, maintainable code — from idea to go-live.
• Review and quality assurance: Review and evaluate pull requests, document code standards, and ensure that every release meets our high quality standards.

Senior Shopware Fullstack Developer

• Design, develop, and maintain features across our front-end and back-end systems
• Collaborate with product managers, designers, and fellow engineers to translate requirements into well-architected, reliable software
• Write clean, tested, and well-documented code with a focus on maintainability and long-term quality
• Participate in code reviews
• Contribute to architectural decisions, helping evaluate trade-offs and choose the right tools for the job
• Identify and resolve performance bottlenecks, bugs, and technical debt across the stack
• Help improve engineering processes, tooling, and development workflows.

• Review and assess existing codebases (often AI-generated or founder-built)
• Identify bugs, structural issues, and technical risks
• Refactor and stabilize applications for production use
• Improve performance, structure, and maintainability
• Fill gaps in core functionality (auth, payments, backend logic)
• Implement lightweight QA / testing where needed
• Collaborate with engineers, QA, and project leads
• Work across multiple projects as priorities shift

Fractional Senior Full Stack Engineer – Stabilization, AI-Generated Code

• Design & build the Solver framework: Architect the algorithms, execution strategies, and infrastructure that power solver competition, quote aggregation, and intent-ready execution workflows.
• Drive technical excellence: Lead deep code and design reviews, make high-impact architectural decisions, and uphold the highest engineering standards.
• Collaborate across teams: Work with product, research, and ecosystem partners to align Solver capabilities with the NEAR Intents roadmap.
• Guarantee performance at scale: Ensure low-latency, high-throughput execution across chains and decentralized environments.
• Innovate Solver economics: Shape incentive structures, competition mechanisms, and cryptoeconomic models to grow and sustain Solver participation.
• Stay hands-on: Balance leadership with active coding, prototyping, and tackling the most complex technical challenges in real-time.

• work on the core systems powering Synthesia’s script preview and voice generation experience
• build and operate backend services that orchestrate multiple text-to-speech (TTS) providers
• ensure provider reliability, request routing, and output consistency
• contribute to user-facing product problems from a backend perspective
• own projects that span multiple systems and domains
• evaluate work through system performance and user experience metrics
• collaborate closely with product, frontend, and R&D teams

Staff Software Engineer, Voices

• You develop features and architectures for clients across a wide range of industries
• You integrate seamlessly into existing teams and take real responsibility for the technical domain
• You support the entire development process — from requirements analysis to go-live
• You advise founders and team leads as peers — including providing a steady hand in stressful moments
• You incorporate AI tools into your development workflow where they add value

See all jobs on JobTailor

Senior AI Software Engineer

Fullstack Engineer, Developer

Middle Full-Stack Engineer

Senior Full Stack Engineer – Checkout

Senior Software Engineer

Senior Fullstack Engineer

Principal Software Engineer

Fullstack Software Engineer – Core Billing Platform

Infrastructure Tech Lead – Infra Core

Product Engineer – Mobile

Senior Engineer, Safety Software

Full Stack Developer, Intermediate

Full Stack Engineer

Full-Stack Developer

Senior Shopware Fullstack Developer

Senior Fullstack Engineer

Fractional Senior Full Stack Engineer – Stabilization, AI-Generated Code

Senior Software Engineer

Staff Software Engineer, Voices

Senior Fullstack Engineer