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Principal Software Engineer - Microsoft Advertising
Microsoft
WA · Redmond, WA · Redmond
- $142,800 to $304,200 USD / year
This Principal Software Engineer role owns core architectural and technical evolution of the platform, focusing on modernization, performance, scalability, experimentation infrastructure,…
Added 1 min ago
M
Software Engineer - CTJ - Top Secret
Microsoft
VA · Reston, VA · Reston
- $85,400 to $183,700 USD / year
…sensitive and mission‑critical environments? As a Software Engineer in Microsoft’s Specialized Cloud team, you’ll help design, deliver, and secure highly reliable services that underpin…
Added 1 min ago
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Principal Software Engineer
Microsoft
United States
- $142,800 to $304,200 USD / year
The Azure Event Grid engineering team is seeking a talented and highly motivated Principal Software Engineer to lead the design and implementation of the next generation of PubSub…
Added 1 min ago
M
Critical Environment Technician Manager
Microsoft
NC · Charlotte, NC · Charlotte
- $75,400 to $185,300 USD / year
With environmental sustainability and optimization at the forefront of our datacenter design and operations, we continue to grow and evolve as we meet the ever-changing business demands…
Added 1 min ago
M
Critical Environment Electrical Engineer
Microsoft
TX · San Antonio, TX · San Antonio
- $102,100 to $219,200 USD / year
…every day and we need you as a Critical Environment Electrical…
Added 1 min ago
M
Senior Software Engineer
Microsoft
WA · Redmond, WA · Redmond
- $119,800 to $261,000 USD / year
As a Staff Engineer - AI Infrastructure Reliability in the AI Infrastructure Engineering Systems team, you will design, implement, and ensure the reliability and quality of engineering…
Added 1 min ago
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Senior Software Engineering
Microsoft
United States
- $119,800 to $261,000 USD / year
As a Senior Software Engineer, you will bring strong software design and engineering expertise, building reliable systems and production-ready services that turn ideas and data-driven…
Added 1 min ago
M
Principal Software Engineer
Microsoft
WA · Redmond, WA · Redmond
- $142,800 to $304,200 USD / year
…and Engineering Direct Team is seeking a Principal Software Engineer to own the architecture for secure, enterprise-scale platforms spanning supportability, customer-centric engineering,…
Added 1 min ago
M
Principal Software Engineering Manager
Microsoft
WA · Redmond, WA · Redmond
- $142,800 to $304,200 USD / year
Set technical direction. Own architecture discussions and guide design decisions for email semantic indexing, including content processing, embedding generation, index updates, and…
Added 14 mins ago
Process Engineer - Aurora, Ohio
Pyrotek Inc.
Aurora, OH
…for decades to deliver new technologies, advanced engineered systems and innovative materials to customers in industries all over the world. Join our team and create, improve and innovate…
Added 15 mins ago
Sr. Electrical Engineer
SELECTTECH SERVICES CORPORATION
Springfield, OH
We are seeking an experienced and innovative Electrical Engineer to join our team. In this role, you will play a critical part in designing, developing, testing, and maintaining electrical…
Added 15 mins ago
Systems Engineer - Senior (International Architecture & Export Controls ICT)
Modern Technology Solutions, Inc.
Dayton, OH
MTSI is seeking an experienced Senior Systems Engineer with deep expertise in international systems architectures, export control compliance, and advanced aircraft acquisition to support…
Added 15 mins ago
Information Assurance Security Engineer (ISSE)
EXPANSIA
Dayton, OH
…and Air Force and Space Force programs, digital engineering, systems integration, and specialized manufacturing capabilities. The combined organization operates as a multi-entity aerospace…
Added 15 mins ago
Process Engineer
Tremco Incorporated
Cleveland, OH
…Technologies Canada-to deliver comprehensive, integrated building systems. With operations spanning North America, Europe, Asia-Pacific, India and Latin America, Tremco CPG has a global…
Added 15 mins ago
Geotechnical EIT/Engineer
HDR ENGINEERING INC
Cincinnati, OH
Added 15 mins ago
Data Engineer II - 3058084
Apex Systems, Inc.
Cincinnati, OH
Job#: 3058084 Job Description: Title: Data Engineer Location: Cincinnati, Ohio (On-site) Duration: 2+ Month to start with Role Overview The Data Engineer designs, builds, and supports…
Added 15 mins ago
SI
Electrical Engineer-Hardware Test
SSOE, Inc
Columbus, OH
- $80,000 to $90,000 USD / year
Electrical Engineer Job Locations US-OH-Columbus ID 2026-4015 Category Engineering Type Full Time Overview SSOE is seeking Electrical Engineers with strong Revit experience for our…
Added 17 mins ago
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Civil Professional Engineer (PE)
GPAC
Houston, TX
- $100,000 to $130,000 USD / year
We are seeking a licensed Civil Professional Engineer (PE) to join our growing civil engineering division of our multi-disciplinary firm. The successful candidate will lead the design and…
Added 21 mins ago
Senior Software Engineer, DevOps
Atria Health and Research Institute
NY · New York, NY
Atria Health is seeking a Senior Software Engineer for our DevOps team to help design, build, and operate the infrastructure, deployment pipelines, and observability that the rest of…
Added 21 mins ago
Senior Software Engineer, DevOps
Atria Health and Research Institute
Remote, United States
Atria Health is seeking a Senior Software Engineer for our DevOps team to help design, build, and operate the infrastructure, deployment pipelines, and observability that the rest of…
Added 21 mins ago
Software Engineer, DevOps
Atria Health and Research Institute
NY · New York, NY
Design systems and changes to meet the team’s goals.
Added 21 mins ago
Software Engineer, DevOps
Atria Health and Research Institute
Remote, United States
Design systems and changes to meet the team’s goals.
Added 21 mins ago
Software Engineer, Product
Atria Health and Research Institute
Remote, United States
Atria Health is seeking a Software Engineer (Product) to help design, build, and scale the systems that power our member and clinical experiences.
Added 21 mins ago
Software Engineer, Product
Atria Health and Research Institute
Remote, United States
Atria Health is seeking a Software Engineer (Product) to help design, build, and scale the systems that power our member and clinical experiences.
Added 21 mins ago
Staff Software Engineer, Foundations
Atria Health and Research Institute
Remote, United States
…platform, with a focus on EMR integrations (particularly Athena), systems infrastructure, caching strategies, and robust internal tooling and support for our domain product teams (Clinical…

Closed listing

ioet

Senior Backend Engineer (AI Agent Platform)

Remote, United States

This opening has closed.

The original listing is kept below for reference.

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Job details

Experience: 5+ years of Backend Engineering experience.
Posting language: English
Posted: Nov 2, 2026

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Original job description

Archived listing. The details below describe a past opening.

At ioet, a leading software company with a talented team across LATAM, we provide Software Engineering as a service to clients worldwide. Join us for exciting professional challenges, working on projects ranging from innovative startups to globally recognized brands. Our positions are full-time, remote, and offer competitive compensation in USD. We are seeking a Senior Backend Engineer to join a team building a shared AI agent platform. The platform provides the contracts, identity and access controls, runtime capabilities, and evaluation and release workflows that other teams use to build and operate agents. The broader roadmap includes Slack and voice integrations, data ingestion, file exchange, multi-agent orchestration, scheduled and event-driven execution, dynamic skill loading, and controls for handling sensitive data. You will own a technical area end to end: design and implement it, align directly with SRE, DevOps, and security teams, and document it so other engineers can build on your work.

Responsibilities:

Design and evolve versioned agent contracts and validators, including permissions, approval modes, and mappings between agent capabilities and infrastructure access.
Build reliable APIs and streaming interfaces for agent invocation, discovery, and interoperability, including JSON-RPC, server-sent events, and protocols such as A2A.
Implement secure authentication and authorization flows, including token verification, audience validation, token exchange, and identity propagation to downstream tools.
Build automated evaluations and release gates for non-deterministic systems, covering expected behavior, required refusals, and meaningful regressions.
Expand reusable platform capabilities across integrations, agent workflows, data ingestion, file exchange, orchestration, and scheduled or event-driven execution.
Harden the runtime with restrictive tool policies, resource and cost limits, timeouts, reliable health checks, and graceful shutdown.
Contribute to secure CI/CD workflows and infrastructure across AWS, Kubernetes, and Terraform.
Implement sensitive-data controls in collaboration with security and infrastructure teams.
Help other teams adopt the platform through clear interfaces, documentation, examples, and reusable development workflows.
Write technical specifications and architecture decision records, making scope, trade-offs, and operational expectations explicit.

Requirements:

5+ years of Backend Engineering experience.
Strong Python skills, including asynchronous execution, concurrency, debugging, and reliability under load.
Experience designing APIs and working with streaming or asynchronous communication.
Use of AI-assisted development tools such as Claude Code, Cursor, or equivalent, including reviewing, testing, and debugging generated code.
Experience automating repetitive engineering work to improve development speed and reliability.
Experience integrating LLMs into production systems, including agents that call tools.
Familiarity with agent frameworks or protocols such as LangChain, LangGraph, MCP, or A2A.
Experience evaluating LLM-based systems through automated tests, evaluation datasets, or other systematic quality checks.
Practical understanding of OAuth 2.0, OIDC, token verification, and authorization.
Hands-on experience with cloud infrastructure and containerized services, preferably AWS and Kubernetes.
Strong English communication skills - Minimum B2 level proficiency.
Send your application and CV in English (mandatory).
Based in Latin America.

Benefits:

Remote work
Flexible schedule
Collaboration with international clients
USD compensation
Paid Holidays and Vacations
Paid family and sick leaves
English classes
Educational and wellness bonus
Structured career plan with regular salary reviews
Emphasis on personal growth and mentorship

Are you ready to be part of the ioet journey? Get your CV in English and Apply Now. If you are curious to know more about our culture, technologies, and blogs, visit www.ioet.com

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