Source Job

Poland

  • Develop end-to-end functionality from complex interfaces to distributed backend services using NestJS and Python.
  • Design and maintain microservices architecture with seamless Node.js and Python interoperability.
  • Integrate AI components, manage embeddings, and optimize RAG pipelines using LangChain and Qdrant.

Node.js TypeScript Python NestJS LangChain

20 jobs similar to Senior Fullstack/AI Engineer

Jobs ranked by similarity.

$7,583–$8,666/mo
Europe

  • Design and build various high-performance backend microservices.
  • Integrate data from our AI/Ml classification algorithm.
  • Collaborate with Product, Design, and Developers to create an amazing user experience.

WearLinq is a healthcare startup emerging from Stanford University, on a mission to democratize healthcare. Our integrated ecosystem of hardware, software, and services aims to bridge gaps between patients and healthcare providers. Our leadership team is primarily located in the San Francisco Bay Area and Singapore but our software team is in Poland working fully remote.

Global

  • Build and ship end-to-end web and backend features with production-grade quality
  • Develop AI-powered systems, including custom agents, RAG pipelines, and state-machine-driven workflows
  • Create scalable frontend experiences using SvelteKit, React, Vue, or similar modern frameworks

Truelogic is a leading provider of nearshore staff augmentation services. They have over 600 highly skilled tech professionals based in Latin America and partner with U.S. companies on their most impactful projects, delivering results that make a difference.

  • Design, develop, and deploy AI-powered applications and full-stack solutions.
  • Build and iterate rapidly on prototypes, MVPs, and proofs of concept.
  • Collaborate directly with stakeholders to translate business needs into scalable implementations.

They are an AI-focused company building intelligent applications and scalable products. The team is small and fast-moving, with a culture of experimentation and rapid execution.

US

  • Lead Technical Execution: Guide the development of end-to-end features for a lean team.
  • Ship from the Front: Remain heavily hands-on, writing clean, production-grade code across the entire full-stack TypeScript ecosystem.
  • Architect AI & Agentic Systems: Move past basic implementations to deploy custom agentic workflows, state machine logic, and custom RAG pipelines.

Truelogic is a leading provider of nearshore staff augmentation services. Our team of 600+ highly skilled tech professionals, based in Latin America, drives digital disruption by partnering with U.S. companies on their most impactful projects, valuing expertise and aspirations.

$170,000–$170,000/yr
US Unlimited PTO

  • Lead by example: contribute high-quality code across backend and frontend systems
  • Shape architecture: design scalable services, APIs, and data models that support long-term growth
  • Mentor engineers: coach and support teammates through code reviews, design discussions, and problem-solving

WorkBoard’s Strategy Execution Platform powers the digital operating rhythm for companies around the globe, providing organization-wide clarity, alignment, and insights for growth. More than 15,000 people are certified in WorkBoard’s OKR coaching and Outcome Mindset Methodology™ which enables their organizations to quickly gain the agility OKRs can provide.

US

  • Evaluate AI-generated coding interactions end-to-end.
  • Assess quality of explanations and reasoning.
  • Provide constructive feedback on outputs.

Jobgether is a platform that uses AI to match candidates with jobs. They ensure applications are reviewed quickly, objectively, and fairly against the role's core requirements.

South Africa 4w PTO

  • Design, build, and maintain agent-based web applications using Next.js, TypeScript, Tailwind CSS, and OpenAI’s APIs.
  • Contribute to existing Python API and web applications using the Flask framework and improve application reliability.
  • Collaborate with product, design, and stakeholders to translate requirements into high-quality technical solutions.

Noodle is a leading strategy, services, and technology partner for higher education. We develop infrastructure, provide learning experiences, and grow enrollment for academic institutions, seeking to empower universities to change the world. Noodle is committed to creating a welcoming and inclusive workplace for everyone.

$170,000–$190,000/yr
US

  • Design and build AI-powered features across Lumin's digital banking platform.
  • Integrate LLMs and AI APIs into production systems with robust prompt engineering.
  • Evaluate AI outputs critically, ensuring accuracy and compliance with regulations.

Lumin Digital is a trailblazer in digital banking solutions, driven by a unique approach to technology, service, and people. We empower credit unions and banks by creating cutting-edge digital experiences. At Lumin, we thrive on curiosity and innovation, with a culture fostering trust, respect and boldness.

$125,000–$150,000/yr
US Unlimited PTO

  • Design and build systems, manage scalable ML pipelines using Vertex AI Pipelines for training, evaluation and deployment to support ranking, retrieval, and recommendation personalization use cases
  • Develop and maintain data pipelines that support feature generation, model training, and analytics workflows. Own vector generation via Milvus, storage, and retrieval workflows
  • Implement model serving solutions using KServe and build APIs using FastAPI for low latency inference Build observability and monitoring for models and pipelines.

People Inc. is America’s largest digital and print publisher. Our 40+ iconic and fast-growing brands harness the best intent-driven content, the fastest sites, and the fewest ads to help nearly 200 million people every month.

Global

  • Build backend services that bring AI capabilities to life inside our Payroll workflows
  • Collaborate with ML engineers and operations to create real-world AI-powered tools
  • 8+ years of experience in backend/full-stack engineering

Deel is an all-in-one payroll and HR platform for global teams. They are among the largest globally distributed companies with a team of 7,000 spanning more than 100 countries, and a dynamic culture that drives continuous learning and innovation.

US

  • Build and ship features across frontend and backend systems
  • Move seamlessly between Next.js, SvelteKit, and Hono depending on what the problem requires
  • Work with Postgres as the primary data layer, designing schemas and optimizing queries

SERHANT. is the most followed real estate brand in the world, calibrated for the marketplace of tomorrow, delivering proven results for buyers, sellers, and developers. SERHANT. revolutionizes the traditional brokerage model by innovating through media and content creation and is powered by a full-service in-house film studio as well as an amplification platform that puts our properties in front of more people than anyone else.

US

  • Build and scale web applications in a production environment.
  • Design and implement complex, distributed, scalable, maintainable, and secure systems.
  • Lead high-priority technical projects from conception to delivery.

Rula is dedicated to treating the whole person and aims to create a world where mental health is no longer stigmatized. They are passionate about making a positive impact on the lives of those struggling with mental health issues and strive to be a force for positive change.

Europe

  • Build features, fix bugs, and gradually take on more ownership as you learn the product.
  • You'll work alongside senior engineers who'll help you grow, but we won't spoon-feed you either.
  • You'll use AI tools heavily in our workflow - you'll be expected to leverage them to move fast and learn faster.

Cello provides the Revenue Growth Infrastructure for modern digital businesses. They help teams acquire, retain, and monetize customers at scale by turning word-of-mouth into a systematic, measurable growth channel built for the AI era. They are a small team backed by $10.3M in funding from top-tier investors.

Europe

  • Design, develop, and scale backend services using TypeScript and Node.js within a microservices architecture.

Jobgether is an AI-powered matching platform that helps job seekers connect with companies. They ensure applications are reviewed quickly, objectively, and fairly against the role's core requirements.

Global Unlimited PTO

  • Diagnose business problems before building solutions, mapping workflows and confirming AI is the right intervention.
  • Own AI initiatives end-to-end, from stakeholder discovery and technical design through implementation and iteration.
  • Improve organizational flow by building solutions that reduce bottlenecks and increase throughput, measuring success using flow metrics.

GitLab is the intelligent orchestration platform for DevSecOps, enabling organizations to increase developer productivity, improve operational efficiency, reduce security and compliance risk, and accelerate digital transformation. GitLab has more than 50 million registered users and a high-performance culture driven by its values and continuous knowledge exchange.

Poland Romania Portugal

  • Build and maintain AI-powered internal tools and automation workflows for the operations team using Cursor and n8n.
  • Design and deploy AI agents that automate repetitive operational tasks end-to-end, integrating with third-party APIs and internal systems.
  • Own full cycles from scoping to deployment, shipping 3-4 production releases per day, and working directly with non-technical stakeholders.

Sauce is a premier restaurant technology platform offering commission-free delivery and pickup solutions. Headquartered in NYC and Tel-Aviv, the company serves the US local restaurant market and pools seasoned tech, sales, marketing, product, and operations executives with decades of restaurant tech experience.

US

  • Pick up live work across data ingestion, knowledge graph integration, and the application layer.
  • Contribute to the front-end and runtime layer that surfaces AI agent activity, recommendations, and human-in-the-loop governance to client users.
  • Move freely between Python backend, TypeScript frontend, and infrastructure work as the build demands.

Peach Pilot builds a platform that ingests everything about how a company operates and constructs a Company Brain: a living knowledge graph that connects people, decisions, and outcomes across the entire organization. They are co-founded by Mario Montag and JP James and have a working platform with live infrastructure and a proven data-to-insights methodology.

Global

  • Design, build, and maintain scalable full stack applications.
  • Collaborate with Product, Design, Commercial, and Analytics teams to deliver impactful features.
  • Develop and integrate AI-powered workflows and LLM-based solutions using modern generative AI tooling.

Smart Working believes your job should feel right every day. They connect skilled professionals with global teams for full-time, long-term remote roles and value employee growth and well-being. They are a highly-rated workplace on Glassdoor.

$88,436–$107,482/yr
UK 5w PTO

  • Design, build and ship well-tested features across our platform.
  • Collaborate closely with Product and Design to understand problems and requirements.
  • Incorporate AI tools and workflows into your day-to-day development practice.

Thirdfort is on a mission to protect society from fraud and money laundering, having already protected over 3 million people. They are FCA regulated and have raised over $33m in capital from leading Fintech investors.

Global

  • Ship complete features: design data models, build APIs, implement UI, and write tests
  • Build AI-powered tools for cultural analysis, document processing, and content localization
  • Integrate with LLM APIs (OpenAI, Anthropic, Google Gemini) and observability tools like Langfuse

We are building AI-powered tools for cultural intelligence. The company seems to be a fast-moving product team.