Source Job

UK 4w PTO

  • Design, build, and operate production-grade agentic systems for developers.
  • Develop core agent infrastructure including orchestration, tool execution, and evaluation.
  • Own projects end to end from opportunity identification to launch and iteration.

Python Backend Engineering AI Agents API Development Cloud Infrastructure

20 jobs similar to Senior Software Engineer, Agents

Jobs ranked by similarity.

Global 4w PTO

  • Build and ship agentic features for thousands of developers, including orchestration, tool execution, and context management.
  • Design and implement the foundation for advanced AI agents that handle billions of dollars in purchase volume.
  • Collaborate with product and engineering teams to scope, prioritize, and drive rollout of new features.

RevenueCat provides infrastructure and tools for app businesses to manage subscriptions and monetization. They are a remote-first team of 150+ people across 25+ countries, guided by values like Customer Obsession, Always Be Shipping, Own It, and Balance.

EMEA

  • Design and build backend services that integrate AI capabilities into customer-facing product features.
  • Develop performant, scalable APIs and backend services that connect AI outputs with SaaS functionality and customer workflows.
  • Collaborate with product and design teams to create intuitive and valuable AI-driven user experiences.

Jobgether is an AI-powered job matching platform that connects candidates with hiring companies. They use AI tools in the hiring process to review applications and analyze resumes, operating with a diverse international team spanning more than 40 countries.

Canada

  • Design and develop advanced AI agent platforms for enterprise automation and intelligent customer experiences.
  • Architect agent workflows incorporating reasoning, tool usage, retrieval, guardrails, and performance monitoring.
  • Build scalable Python services and AI platform components deployed in cloud environments.

Our partner is a technology company developing advanced agentic AI platforms for enterprise automation. They foster an inclusive, remote-friendly culture with a focus on innovation and collaboration.

UK

  • Develop, ship, and maintain secure, well-tested, and performant Flow Registry features across the Duo Workflow Service and the GitLab monolith backend.
  • Collaborate with Product Management, UX, and engineering specialists to refine requirements and deliver iterative product improvements.
  • Design and implement GraphQL and REST APIs, related backend logic, and improve automated testing to strengthen quality and reliability.

GitLab is the intelligent orchestration platform for DevSecOps, enabling organizations to increase developer productivity and accelerate digital transformation. With over 50 million registered users and more than 50% of the Fortune 100 trusting the platform, GitLab fosters a high-performance culture driven by values and continuous knowledge exchange.

US Unlimited PTO

  • You will work directly within client environments, translating real operational needs into production-ready AI systems rather than proof-of-concept solutions.
  • The role spans technical discovery, architecture, software development, deployment, optimization, and ongoing delivery ownership.
  • You will design and build RAG systems, agentic AI workflows, backend services, and cloud-native architectures that operate at enterprise scale.

Jobgether uses an AI-powered matching process to connect candidates with roles at partner companies. They operate remotely and focus on efficient, fair hiring through automated shortlisting, with a commitment to data privacy and human oversight in final decisions.

$50–$55/hr
Poland

  • Design and develop scalable backend services (Python, FastAPI) powering the AI platform.
  • Build and optimize RAG pipelines, AI agent systems, and orchestration of LLM models in production.
  • Manage cloud infrastructure (AWS/Azure) including multi-tenant isolation and serverless functions.

A dynamic startup building a modern B2B AI platform powered by autonomous agents. The company focuses on eliminating tedious analytics for enterprise teams through flexible architecture and advanced workflows.

$185,000–$215,000/yr
US Unlimited PTO 20w maternity 16w paternity

  • Build the planning and execution systems that let Neo safely perform multi-step infrastructure operations across AWS, Azure, GCP, Kubernetes, and more.
  • Design tool interfaces and context systems to give the agent semantic understanding of cloud resources and access to engineering workflows.
  • Create feedback loops, self-correction mechanisms, and evaluation frameworks to ensure reliable autonomous operation.

Pulumi is reimagining how teams build cloud software, enabling developers and infrastructure experts to work better together through a unique combination of programming languages, tools, and systems innovation. With a global community of over 350,000 members and serving more than 3,250 customers, Pulumi is a remote-first company that fosters a culture of innovation and inclusion.

India

  • Build modular, plug-and-play AI agents that integrate into a broader agentic architecture.
  • Design and implement memory capabilities, including short-term and long-term memory, summarization, and retrieval-backed context.
  • Own quality through testing, evaluations, monitoring, and observability.

They build AI-powered applications to transform proposal workflows in the architecture, engineering, and construction industry. They operate in a fast-moving, remote environment with a focus on experimentation and continuous learning.

US Unlimited PTO

  • Design, architect, and implement AI-powered backend systems that automate and optimize software development workflows.
  • Identify friction points across the engineering lifecycle and transform them into scalable, reliable automation solutions.
  • Collaborate with globally distributed engineering teams to share tooling, best practices, technical roadmaps, and reusable solutions.

US Unlimited PTO 24w maternity 24w paternity

  • Design and build production-grade LLM-powered agents and workflows, including architecture decisions on system design and deployment.
  • Develop and optimize prompts, RAG pipelines, and agent reasoning patterns, building evaluation frameworks for accuracy and performance.
  • Implement and manage end-to-end AI systems on cloud infrastructure (AWS, GCP, or Azure), collaborating with cross-functional teams.

Smartsheet empowers teams to manage work seamlessly and scale solutions smarter with AI-powered agents. The company fosters an inclusive, collaborative culture where diverse perspectives are valued.

AI Engineer

Ditto
Global Unlimited PTO

  • Build the agent execution runtime: Design and ship the layer that compiles a brief into a running team of agents.
  • Design the tool surface agents work through: Replace "here is a shell, please be careful" with typed, versioned toolpacks.
  • Make quality measurable, then improve it: Build the evals, benchmarks, and metric sets that score a run.

Ditto is redefining how data moves at the edge by providing a peer-to-peer sync engine for developers to build resilient, real-time applications without internet. With over $145 million in funding and trusted by organizations like Chick-fil-A and Delta Airlines, we are a globally distributed startup committed to building a diverse and inclusive team.

US

  • Architect and build an enterprise-grade Agentic AI orchestration platform from the ground up.
  • Design scalable AI systems combining large language models, RAG, multi-agent workflows, and reusable components.
  • Provide technical leadership in architecture decisions, ensuring scalability, security, and reliability.

The company is building an enterprise-grade Agentic AI orchestration platform. It is a remote, international technology-focused environment with opportunities to solve complex AI/ML engineering challenges.

India

  • Design and build production AI agent systems that diagnose, investigate, and remediate infrastructure issues across one of the world’s largest GPU fleets.
  • Build the distributed services, orchestration framework, knowledge graph, and retrieval systems that power infrastructure agents.
  • Own services end to end, including architecture, implementation, testing, deployment, observability, and production operations.

Together AI is a research-driven artificial intelligence company that builds open and transparent AI systems. The company has contributed to leading open-source research like FlashAttention and RedPajama, and aims to lower the cost of modern AI through co-designed software, hardware, algorithms, and models.

US Unlimited PTO

  • Architect and deploy autonomous AI agents and multi-agent workflows for privacy-first systems.
  • Build scalable backend services using FastAPI and orchestrate agentic workflows with LangGraph in AWS or Azure.
  • Develop rigorous evaluation pipelines for accuracy, citation adherence, latency, and reliability.

Osano is a leading data privacy platform that helps organizations comply with global privacy regulations like GDPR and CCPA. Backed by top-tier investors and recognized as a Great Place to Work for four years running, the company has a 97% employee satisfaction rate and a mission-driven, fast-growing culture.

US

  • Drive backend development for AI workflows using Python and FastAPI as part of a collaborative team.
  • Productionize LLM integrations with systems for Bedrock usage, quotas, retries, and cost controls.
  • Build for scale by optimizing async job orchestration, performance, and data-layer for petabyte-scale enterprise data.

Smarsh empowers organizations to manage risk and uncover intelligence in digital communications. With over 6500 clients in regulated industries and consistent recognition from Gartner and Forrester, Smarsh has been listed on the Inc. 5000 as one of America's fastest-growing companies since 2008.

UK 8w PTO 13w maternity 13w paternity

  • Design and build reusable platform capabilities for LLM applications, AI agents, RAG, and tool calling.
  • Develop scalable data pipelines and secure integrations connecting AI applications to enterprise systems.
  • Establish technical standards for AI deployment, observability, evaluation, and lifecycle management.

Jobgether uses AI-powered matching to connect candidates with roles. They operate as a global, fully distributed international team with colleagues across multiple countries, offering a collaborative and inclusive environment.

$180,000–$220,000/yr
US Unlimited PTO

  • Design, build, and maintain agent infrastructure and platforms, including the TRACE Graph, embeddings, and semantic search.
  • Collaborate with detection engineers and threat hunters to encode domain expertise into agents.
  • Build automated evaluations and benchmarks for non-deterministic agentic systems.

Nebulock is an agentic threat hunting platform that autonomously surfaces behaviors, not just IOCs, from various data sources. As a startup, we emphasize collaboration, low ego, and a relentless focus on delivering customer value.

Europe 5w PTO 16w maternity 8w paternity

  • Shape AI security at the edge by turning new threats into protections customers can use.
  • Think like an attacker to find new ways AI systems can be exploited and stop them.
  • Build for real time, catching threats without slowing down the applications we protect.

bunny.net is a content delivery network and edge computing company that accelerates the internet. Founded in 2015, the company has 95+ employees and fosters a culture of ownership, improvement, and challenging what's possible.

US Europe Middle East

  • Build asynchronous Python/TypeScript services with FastAPI, Pydantic, and asyncio.
  • Develop agent orchestration, subagent delegation, tool calling, and structured outputs.
  • Create behavioral evals and regression datasets using Langfuse.

We are a venture-backed defense-tech company building AI-native intelligent software for sovereign institutions and their affiliated organizations. We have offices across the U.S., Europe, and the Middle East, and we are expanding our engineering team with people who demonstrate strong ownership and sound judgment.

US Unlimited PTO 12w maternity 12w paternity

  • Design, build, and launch backend services incorporating LLMs and AI systems.
  • Build production-grade workflows for model inference, retrieval, and agentic patterns.
  • Partner with Data Scientists to take models from exploration to production.

SmarterDx uses clinical AI to help health systems capture revenue and improve quality by interpreting patient data. It is a remote-first company with a mission-driven culture, built by physician-data scientists and engineers.