Jobs in the United States

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Added 1 min ago
CO
Associate Traffic Engineer (Field)
City of Sammamish
Sammamish, WA
- $53.62 to $74.6 USD / hour
…the street? Join City of Sammamish as our Associate Traffic Engineer (Field) and help keep our community moving safely and efficiently, from signals and signs to the systems that tie them…
Added 4 mins ago
Principal Engineer, Threat Hunting
T-Mobile USA, Inc.
Bellevue, WA · Overland Park, KS · Frisco, TX
The Principal Engineer, Threat Hunter is critical to protecting T-Mobile’s digital assets, serving on the Continuous Hunting and Offensive Specialists (CHAOS) team, T-Mobile’s elite…
Added 8 mins ago
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Quality Engineer
GPAC
Torrington, CT
- $85,000 to $125,000 USD / year
Lead and support continuous improvement initiatives using structured methodologies such as Lean, Six Sigma, DFSS, and Shainin LLC Technical problem solving to reduce variation and enhance…
Added 8 mins ago
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Quality Engineer
GPAC
Southington, CT
- $85,000 to $125,000 USD / year
Lead and support continuous improvement initiatives using structured methodologies such as Lean, Six Sigma, DFSS, and Shainin LLC Technical problem solving to reduce variation and enhance…
Added 8 mins ago
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Quality Engineer
GPAC
Wallingford, CT
- $85,000 to $125,000 USD / year
Lead and support continuous improvement initiatives using structured methodologies such as Lean, Six Sigma, DFSS, and Shainin LLC Technical problem solving to reduce variation and enhance…
Added 8 mins ago
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Quality Engineer
GPAC
Waterbury, CT
- $85,000 to $125,000 USD / year
Lead and support continuous improvement initiatives using structured methodologies such as Lean, Six Sigma, DFSS, and Shainin LLC Technical problem solving to reduce variation and enhance…
Added 8 mins ago
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Quality Engineer
GPAC
Naugatuck, CT
- $85,000 to $125,000 USD / year
Lead and support continuous improvement initiatives using structured methodologies such as Lean, Six Sigma, DFSS, and Shainin LLC Technical problem solving to reduce variation and enhance…
Added 12 mins ago
Senior Backend Cloud Engineer
Halcyon
Remote, United States
…As part of that vision, we’re looking for a Senior Backend Engineer to join our cloud team. You’ll lead the development and evolution of our data platform and API services, working within a…
Added 13 mins ago
Application Support Technical Team Lead
Kastel Staffing
Sandy Springs, GA
Experience working in customer service environments, with a strong understanding of customer support standards and service-oriented communication.
Added 18 mins ago
Manufacturing Engineer III
Blue Origin Personnel, LLC
Space Coast, FL
…Mission Assurance. This includes Manufacturing and Supply Chain support across all Blue Origin…
Added 23 mins ago
K
Sr. Al Solution Engineer
Kentro
UNAVAILABLE
- $101,000 to $140,000 USD / year
Kentro is hiring for a Sr. AI Solution Engineer to support secure cloud data and applied AI initiatives for government customers. You will build governed data pipelines, automate cloud and…
Added 31 mins ago
Sr. Engineer Firmware Engineering XII
Vertiv
United States
The Sr. Firmware Engineer will develop, sustain, and provide technical ownership of embedded firmware solutions for Single Phase UPS products. The role focuses on real-time DSP/MCU firmware…
Added 34 mins ago
RH
DevOps II / SRE
Robert Half
Philadelphia, PA
- $40 to $45 USD / hour
We are seeking a DevOps II / Site Reliability Engineer to help build and mature a growing Site Reliability Engineering (SRE) function supporting large-scale digital platforms. This role…
Added 35 mins ago
Director of Growth Sales, Enterprise
Skai
los angeles, CA
Partner with the Client Success team to ensure a high level of customer satisfaction and ongoing support across assigned clients
Added 35 mins ago
CIS Chief Engineer
CIS MOA Management, LLC
United States
Develops and implements strategies for hotel engineering department that support achievement of the hotel’s goals
Added 37 mins ago
RH
Endpoint Engineer
Robert Half
Los Angeles, CA
- $40 to $50 USD / hour
We are seeking a hands-on Endpoint Engineer to support our transition from Active Directory/Hybrid environments to fully cloud-managed Microsoft Entra ID and Intune. This role will focus on…
Added 38 mins ago
PC
Civil Engineer 3 - Wastewater Utilities
Pierce County
Pierce County, WA
- $56.62 to $72.07 USD / hour
Why It's a Great Opportunity: In this role you will lead the team focused on Sewer Standards, Planning, and support for our Development Services, Code Enforcement, and Capital Project…
Added 39 mins ago
Senior Member of Technical Staff, Product Engineering
Pallet
NY · San Francisco, CA
…(ex-Google), Nilkanth (ex-founder, ex-DoorDash), and Vidhur (lead engineer on Document AI at Scale) to shape the future of logistics AI - from how it's built to how it's deployed in the…
Added 39 mins ago
Senior Member of Technical Staff, Product Engineering
Pallet
San Francisco, CA · NY
…(ex-Google), Nilkanth (ex-founder, ex-DoorDash), and Vidhur (lead engineer on Document AI at Scale) to shape the future of logistics AI - from how it's built to how it's deployed in the…
Added 39 mins ago
Senior Member of Technical Staff, Platform Engineer (Infra)
Pallet
San Francisco, CA · NY
You could be an Infrastructure Engineer anywhere. Why us?
Added 39 mins ago
Senior Member of Technical Staff, Platform Engineer (Infra)
Pallet
NY · San Francisco, CA
You could be an Infrastructure Engineer anywhere. Why us?
Added 44 mins ago
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Senior System Engineer - Odessa, TX
Oracle
Odessa, TX
- $35.63 to $71.3 USD / hour
The Systems Engineer is responsible for designing, implementing, and supporting enterprise infrastructure systems to ensure high availability, performance, and security across the…
Added 44 mins ago
O
Principal Core Infrastructure Engineer
Oracle
Austin, TX
- $114,600 to $234,600 USD / year
Oracle Cloud Infrastructure (OCI) is hiring a Principal Core Infrastructure Engineer to join the Next Gen Network Observability team. Help build cloud-scale intelligence systems that enable…
Added 44 mins ago
O
Core Infrastructure Engineer 2
Oracle
Nashville, TN
- $70,000 to $166,100 USD / year
Implements and contributes to the development for components of distributed systems that support horizontal and vertical scaling including leveraging distributed state management tools.
Added 49 mins ago
Travel Project Engineer-Mission Critical
STO Building Group
Tulsa, OK
The Project Engineer assists Project Managers to ensure that work installed on the project meets plan and specification requirements.

Halcyon

Senior Backend Cloud Engineer

Remote, United States

Base Salary Range: $120,000 - $170,000

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Job details

Pay: Base Salary Range: $120,000 - $170,000
Experience: 5+ years of backend engineering experience, with recent experience in a JVM-based codebase.
Posting language: English
Posted: Nov 6, 2026

Original job description

What we do:

Halcyon is the industry’s first dedicated, adaptive security platform that combines multiple proprietary advanced prevention engines along with AI models focused specifically on stopping ransomware.

Who we are:

Halcyon was formed in 2021 by a team of cyber industry veterans after battling the scourge of ransomware (and advanced threats) for years at some of the largest global security vendors. Comprised of leaders from Cylance (now Blackberry), Accuvant (now Optiv), Fireye and ISS X-Force (now IBM), Halcyon is focused on building products and solutions for mid-market and enterprise customers.

As a remote-native, completely distributed global team, we recognize great talent can exist anywhere. We invite you to apply to a job you’re interested in and we'll work a plan to meet your needs.

The Role

At Halcyon, we’re building a world-class anti-ransomware platform grounded in innovation and resilience. As part of that vision, we’re looking for a Senior Backend Engineer to join our cloud team. You’ll lead the development and evolution of our data platform and API services, working within a modern tech stack that blends Scala and Rust.

You’ll join a team focused on building scalable, maintainable backend systems that serve both internal and customer-facing functions. Your primary focus will be on Rust and Scala services, with opportunities to shape our transition to Rust where it makes sense. Python development experience is highly valued, particularly for supporting our security analysis platform which includes malware analysis engines, automated threat detection, and machine learning workflows.

Responsibilities

Lead the design and delivery of features across our data platform and public API services, including ingestion, transformation, and enrichment of security data.
Drive system design, architecture, and data flow decisions in partnership with product and platform engineering.
Build, deploy, and own Scala-based backend services in production, keeping them reliable, secure, and performant.
Help shape and execute our migration of selected APIs from Scala to Rust, ensuring consistency and continuity along the way.
Set the bar for code quality, documentation, and operational excellence.
Lead design reviews, code reviews and take part in on-call and incident response.
Support and enhance our Python-based security analysis platform, including malware analysis engines, automated threat detection, and machine learning model workflows.

Skills and Qualifications

5+ years of backend engineering experience, with recent experience in a JVM-based codebase.
A track record of designing and owning distributed systems from start to finish.
Experience with Rust, or a well-formed view of when it’s the right tool, and the ability to help guide a migration.
Strong understanding of APIs, messaging systems (Kafka), and modern data stores (Postgres, DynamoDB, OpenSearch).
Experience building services in a cloud-native environment, preferably AWS.
Working knowledge of containers and Kubernetes.
Comfortable working in a remote-first, asynchronous team environment.

Bonus Skills and Qualifications

Familiarity with functional programming patterns and idiomatic Scala.
Experience with Databricks and ClickHouse (or similar lakehouse and analytical/OLAP data stores).
Experience with Terraform, Helm, and GitHub Actions.
Familiarity with observability tools (Prometheus, Grafana, CloudWatch).
Prior work on security products, data pipelines, or high-availability systems.
Python development experience, particularly with security analysis tools and malware detection frameworks (YARA, PE analysis, binary analysis).
Familiarity with machine learning workflows, AutoML, and MLflow for model deployment and management.
Experience with binary analysis libraries (LIEF, ssdeep, TLSH) and security tooling integration.

Benefits:

Halcyon offers the following benefits to eligible employees:

• Comprehensive healthcare (medical, dental, and vision) with premiums paid in full for employees and dependents.

• 401k plan with a generous employer contribution.

• Short and long-term disability coverage, basic life and AD&D insurance plans.

• Medical and dependent care FSA options.

• Flexible PTO policy.

• Parental leave.

• Generous equity offering.

The Company reserves the right to modify or change these benefits programs at any time, with or without notice.

Base Salary Range: $120,000 - $170,000

Bonus Target: 10% In accordance with applicable state and federal laws, the range provided is Halcyon’s reasonable estimate of the base compensation for this role. The actual amount may differ based on non-discriminatory factors such as experience, knowledge, skills, abilities, and location. Base pay is one part of the total package that is provided to compensate and recognize employees for their work, and this role may be eligible for additional discretionary bonuses/incentives, and equity in the Company.

We understand it takes a diverse team of highly intelligent, passionate, curious, and creative people to develop the exceptional product we are building. Our dynamic team has incredible perspectives to share, just as we know you do, and we take great pride in being an equal opportunity employer.

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