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Principal Firmware Engineer - Implantable Medical Devices
Enterra Medical, Inc.
St. Louis Park, MN
We are seeking a skilled Principal Firmware Engineer with specialized experience in developing firmware for active implantable medical devices. This role involves designing, developing,…
Added 1 min ago
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Powerplatform/Sharepoint Developer
TEKsystems
Dallas, TX
- $55 to $70 USD / hour
…W2* (NO C2C)We are seeking a skilled Powerplatform/SharePoint Engineer. This role is critical to supporting our evolving infrastructure, with a focus on workflow platforms and legacy…
Added 1 min ago
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Remote Circuit Design Engineer
TEKsystems
Philadelphia, PA
- $40 to $50 USD / hour
TEKsystems is seeking a circuit design engineer for its Alaska-based client.
Added 1 min ago
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IAM Engineer II
TEKsystems
Kansas City, KS
- $48 to $58 USD / hour
The IAM Engineer will join a small, enterprise-focused Identity and Access Management team supporting company-wide identity services and security operations. The team currently consists of…
Added 1 min ago
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Remote Circuit Design Engineer
TEKsystems
Dallas, TX
- $40 to $50 USD / hour
TEKsystems is seeking a circuit design engineer for its Alaska-based client.
Added 1 min ago
Firmware Engineer
x Varian Medical Systems, Inc.
United States
Deliver technical documentation including requirements, design descriptions, test methods, and test reports.
Added 3 mins ago
GenAI Lead / GCP AI Engineer Lead
Capgemini
New York, NY, NY
Build, test and deploy production GenAI solutions on Google Cloud for insurance clients: document summarization, intelligent intake, underwriting and claims assistants, and agentic…
Added 3 mins ago
FPGA / ASIC Design Engineer
The MITRE Corporation
Bedford, MA
Familiarity with all phases of digital design, including architecture, implementation, verification, test, documentation, and version control
Added 3 mins ago
Cyber Operations Lead
The MITRE Corporation
Colorado Springs, CO
As a lead engineer within MITRE Technology and Engineering, the individual will translate sponsor questions into executable analysis, integrate modeling and simulation with engineering and…
Added 4 mins ago
P
Battery Test Engineer - Aeromechanical
Pivotal
Palo Alto, CA
- $135,000 to $155,000 USD / year
The Battery Engineering team at Pivotal is seeking a hands-on Battery Test Engineer to own the design and execution of battery performance characterization, thermal-runaway, abuse,…
Added 4 mins ago
Senior Flight Software Engineer
Planet
San Francisco, CA
We are currently seeking a Senior Software Engineer to lead ongoing development, verification, and on-orbit anomaly escalation for Planet’s existing satellite platform, Superdove. As a…
Added 6 mins ago
Senior Software Engineer- AI & Data Platforms
First Electronic Bank
Salt Lake City, UT
Correctness and resilience: Engineer idempotent, replayable pipelines with deduplication, schema-evolution handling, and late-arriving data support. Build reconciliation, control-total,…
Added 6 mins ago
Advanced Package Development Engineer
Apple
CA
Lead test vehicle (TV) definition, floorplanning, tapeout execution, and DOE build plans with foundries through development and NPI phases.
Added 6 mins ago
Silicon Photonics Process Integration Engineer
Apple
Cupertino, CA
Apple's Biophotonics team is seeking a Silicon Photonics Process Integration Engineer to join its growing silicon photonics group. You will join a multidisciplinary team building…
Added 6 mins ago
GD
Principal Software Engineer
Green Dot Corporation
United States
- $159,400 to $230,000 USD / year
Principal Engineer: Rearchitect Green Dot Corporation’s Banking as a Service (BaaS) platform for the future using cloud native techniques. Build the next generation banking and payments…
Added 6 mins ago
Packaging Engineer - Columbus, OH
Abbott Laboratories
Columbus, OH
Our location in Columbus, OH, currently has an opportunity for a Packaging Engineer. This position is responsible for implementing and supporting test method validation and instrument…
Added 7 mins ago
Control Systems Engineer (Instrumentation & Controls)
HDR
Folsom, CA · Walnut Creek, CA
…environment. This isn’t just a job, it’s a chance to lead innovation, engineer impact, and build a legacy of…
Added 7 mins ago
Epitaxy/CVD Process Development Engineer (SM1)
Texas Instruments
Sherman, TX
…production form. You will build them. As a Epi Process Development Engineer in TI’s organization in Sherman, you will own the development, integration, and qualification of Epi for the…
Added 8 mins ago
Control Systems Engineer (Instrumentation & Controls)
HDR
Folsom, CA · Walnut Creek, CA
…environment. This isn’t just a job, it’s a chance to lead innovation, engineer impact, and build a legacy of…
Added 9 mins ago
Information Technology Software Engineer I-Information Technology Department
Poudre School District
Fort Collins, CO
Added 11 mins ago
Manager, Engineering
Amca
El Segundo, CA
Amca is working day-in and day-out to restore America’s ability to engineer anything that our critical systems depend on, and reinvigorate the cycle of creation that allows imagination to…
Added 13 mins ago
UG
Senior Software Engineer
UnitedHealth Group
Minnetonka, MN
- $91,700 to $163,700 USD / year
Added 13 mins ago
Software QA Engineer 2
PlayStation Global
San Mateo, CA
Sony Interactive Entertainment (PlayStation) is seeking a Software Development Engineer in Test (SDET) to provide hands-on engineering excellence across our SDK ecosystem. This role focuses…
Added 14 mins ago
ServiceNow Engineer
UnitedHealth Group
Eden Prairie, MN
As a Software Engineer within Optum Technology, you will be part of a high-performing team dedicated to driving enterprise service management modernization and delivering innovative,…
Added 14 mins ago
MM
Sr. FPGA Design Engineer
Moog Military Aircraft LLC
Buffalo, NY
- $100,000 to $150,000 USD / year
Onsite – Buffalo, NYOur team in the Space Sector’s Actuation Systems Business Unit is looking for a Sr. FPGA Design Engineer. You will be responsible for the conceptual design, analysis,…

Ontrac Solutions

Sr. Full Stack Software Engineer – AI Agents

Chicago, IL, United States

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Job details

Posting language: English
Posted: Nov 2, 2026

Original job description

OVERVIEW

We are seeking a senior full stack software engineer to join our contractor program supporting a customer engagement that builds applications around multi-agent systems developed with Google's Agent Development Kit (ADK) on Google Cloud Platform. This role is ideal for an engineer who can build the whole application: the agents, the backend services and APIs behind them, and the web interface that users work in. The candidate should have built agents with ADK, deployed them to production on GCP, and operated them afterward, including the evaluation and feedback loops that keep agent behavior reliable over time. The successful candidate will use AI coding tools, with several agents running at once, as a standard part of daily engineering practice. This engineer will work closely with our technical lead, other engineers, and customer stakeholders to ensure project success from initial definition through final delivery.

REQUIRED CREDENTIALS

Professional full stack software engineering experience, including production delivery on Google Cloud Platform
Hands-on experience building and deploying AI agents with Google's Agent Development Kit (ADK)
Bachelor's degree in Computer Science or equivalent practical experience

REQUIRED QUALIFICATIONS

ADK agent development, including agent definitions, tool design, and session and state management
Design and implementation of multi-agent systems, including delegation between agents, sequential, parallel, and loop workflows, and clear boundaries for each agent's context and responsibility
Feedback loops for agent quality: evaluation sets, automated scoring of agent output, tracing, and using the results to revise prompts, tools, and agent structure
Frontend development with TypeScript and a modern component framework, including integrating a UI with agent and REST APIs, streaming responses, and authenticated sessions
Backend service and API development, including relational database design (for example PostgreSQL) with versioned schema migrations
Authentication and authorization for web applications and agent tool calls, using OAuth 2.0 / OIDC and JWT
Deployment and operation of agents and application services on GCP using Cloud Run and Agent Engine
Gemini models on Vertex AI, including prompt design, function calling, and structured output
Tool integration for agents over MCP and REST APIs
Daily use of Claude and other AI coding assistants for design, implementation, testing, and review, including running multiple agents concurrently, with the judgment to verify and correct generated output
Automated testing and CI/CD across the stack, including frontend and end-to-end tests and regression evaluation of agent behavior

USEFUL QUALIFICATIONS

Agent-to-Agent (A2A) protocol
Retrieval and grounding with Vertex AI Search or vector search
Observability for agents and services with Cloud Trace, Cloud Logging, and OpenTelemetry
Pub/Sub, Memorystore, and BigQuery
Integration of agents with Gemini Enterprise
Google Cloud Professional certifications

SCOPE OF WORK

Design the multi-agent architecture for the solution, including agent roles, delegation, tool boundaries, and state handling
Implement agents and tools with ADK, including integrations with customer and third-party systems over REST and MCP
Build the web frontend and the backend services that expose the agents to users, including the user workflows and the APIs they run against
Deploy agents and application services to GCP on Cloud Run and Agent Engine, with CI/CD and managed environments and releases
Build and maintain evaluation suites and feedback loops that measure agent output, surface regressions, and drive changes to prompts, tools, and agent structure
Instrument agents and services with tracing and logging so that behavior in production can be inspected and debugged
Use Claude and multi-agent workflows to accelerate design, implementation, test generation, and code review across the full stack, with the engineer remaining accountable for the correctness of all delivered code
Deliver unit, integration, end-to-end, and agent evaluation test coverage, participate in code reviews, and document the architecture and operating procedures for our team and the customer's

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