Jobs in the United States

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Added 1 min ago
Project Engineer I
McShane Construction Company
Nashville, TN
Driver’s License required
Added 1 min ago
Research and Development Biomedical Engineer
University of Mississippi
University, MS
…Diagnostics, Design, Devices and Biomechanics (D3B) is seeking a R&D Engineer to lead the design, development, and testing of medical devices from concept through validation within the…
Added 1 min ago
Design Engineer I
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0-2 years of experience as a Design Engineer or Field Engineer specializing in commercial heating applications is an asset.
Added 3 mins ago
TQ
Field Quality Associate
TEAM QUALITY SERVICES INC
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- $25 USD / hour
…We pride ourselves on being there to solve problems in the field, so our customers can stay…
Added 4 mins ago
Senior Wireless Network Engineer
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Added 5 mins ago
Cloud Engineer
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Added 5 mins ago
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Member of Product Staff
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Plan, initiate, and manage information technology projects for web-based products, applications, and platforms.
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Software Engineer (IBM Cognos)
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This job is an integral member of an agile software engineer team responsible for building complex scalable software applications across all digital channels to serve our customers. The…
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Ensure appropriate monitoring and threat detection coverage across critical systems, applications, and business services.
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Senior Director Software Engineering
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Sr Software Engineer I (AWS - Hybrid Role)
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…technical ecosystem including infrastructure, systems, networks, applications, integrations, etc. They will work closely with other technical professionals, analysts, and engineers to build…
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Product Content Engineer
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District Sales Manager, Pelvic Health - Multiple Locations
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Senior Regional Sales Director, Pelvic Health - Central
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AI/ML Engineer Intern
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Enrolled in a higher education institution with a focus on mathematics, computer science, data science, or other quantitative and technical field.
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JEDI Network Systems Engineer 2027 Spring/Summer Co-op - Onsite
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Qualifications You Must Have:
Added 6 mins ago
Senior Design Physicist- Active Security Clearance Required
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Mechanical Engineer
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We have multiple openings for a Mechanical Engineer to join our Precision Systems & Manufacturing Group. You will apply mechanical engineering principles to contribute to and/or lead…
Added 7 mins ago
Senior Data Engineer - Microsoft Fabric
Black & Veatch Family of Companies
Cary, NC · Overland Park, KS
The Senior Data Engineer is responsible for designing, building, delivering, and supporting scalable enterprise data products, data pipelines, semantic assets, and consumption-ready…
Added 7 mins ago
A
Automation Engineer
Actalent
Morton Grove, IL
- $100,000 to $125,000 USD / year
Job Title: Automation EngineerJob DescriptionThe Automation Engineer provides first and second-level support for building automation systems (BMS), process control systems, utilities, and…
Added 7 mins ago
Mechanical Design Engineer
Actalent
Des Moines, IA
…manufacturing, and supporting successful installation in the field. The design engineer contributes directly to project success by collaborating with engineers, drafters, contractors, and…
Added 7 mins ago
A
Robotics Engineer
Actalent
Council Bluffs, IA
- $36 to $40 USD / hour
We are seeking a Robotics Engineer to support the design, programming, integration, and startup of advanced robotic automation systems. This role plays a critical part in delivering…
Added 8 mins ago
Model Based Systems Engineer
Modern Technology Solutions Inc
Dayton, OH · Dayton
Applicants must have an active TOP SECRET clearance with Sensitive Compartmentalized Information (SCI) eligibility and a CI POLY // TS/SCI CI Poly

Alertus Technologies

Lead Backend Engineer

Baltimore, MD, United States

$120,000 to $170,000 USD / year

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Job details

Pay: $120,000 to $170,000 USD / year
Experience: 6+ years of related experience
Posting language: English
Posted: Nov 13, 2026

Original job description

Company Description

At Alertus, protecting people from harm is our mission and our passion. As the leader in mass notification, we are committed to providing customizable, scalable, and cost-effective solutions, as we know even a few seconds of warning can help save lives during an emergency.

Our employees are integral to the company’s success and impact countless people's lives, safety, and well-being. We aim for a positive, collaborative environment that allows employees to work across departments easily and effectively.

Job Description

As a Lead Engineer, you will be the primary architect and steward of our "Identity-as-a-Service" platform, the bedrock upon which every other product team builds.

This isn't just about managing logins; it’s about ensuring that our entire ecosystem is secure, performant, and seamlessly integrated. You will lead the team responsible for the critical infrastructure that handles User Management, SSO, EntraID, and our Public API. Your mission is to ensure that while the product scales, our "base" remains rock-solid, providing high throughput and millisecond-latency for our most critical services. If you thrive on solving complex distributed systems problems and take pride in enabling other engineers to move faster, this role is for you.

Candidates must be located within driving distance from our Baltimore HQ.

A Day in the Life:

Architect Core Services: Design and evolve the platform’s "Identity-as-a-Service" layer, ensuring high availability and consistency across user onboarding, SSO, and API key management.
Optimize High-Scale Systems: Build and maintain data retrieval systems capable of accessing millions of records in milliseconds.
Drive Reliability & SLAs: Implement rigorous monitoring, alerting, and performance tuning to meet and exceed strict reliability and low-latency targets.
Lead API Strategy: Own the development and lifecycle of our Public API, ensuring it is intuitive for customers and robust under heavy load.
Set the Engineering Standard: Serve as a technical mentor and example for the broader engineering organization, championing best practices in asynchronous communication and system design.
Innovate through Infrastructure: Strategically utilize caching layers and database optimizations to solve for high-concurrency challenges

Required Skills & Abilities:

Node.js & PHP Ecosystems: Expert-level proficiency in Node.js for building high-concurrency services, paired with professional experience in PHP to manage and migrate legacy logic.
High-Performance Database Architecture: Mastery of Relational Databases (PostgreSQL/MySQL), specifically in designing schemas that maintain strict ACID compliance.Proven ability to execute zero-downtime migrations and complex query optimizations that reduce CPU/IO overhead.
Sub-Millisecond Caching Strategy: Deep experience with Redis or Memcached to build "speed layers" for notification systems and session management. Sophisticated understanding of cache invalidation patterns to ensure data consistency across a distributed environment.
Distributed Systems & Scalability: Practical experience implementing Read/Write splitting, horizontal sharding, and multi-region failover to ensure "five nines" (99.999%) availability. Architectural fluency in the CAP Theorem, with the ability to make informed trade-offs between strong and eventual consistency based on the specific needs of Identity vs. Reporting.
Asynchronous Data & Eventual Consistency: Expertise in Event-Driven Architecture using message brokers like Kafka or RabbitMQ to handle high-volume data flows. Experience implementing Change Data Capture (CDC) or similar patterns to synchronize platform usage data with external CRM systems like Salesforce without impacting core service performance.
Identity & Security Protocols: Comprehensive knowledge of SSO (EntraID/Azure AD), OAuth2, and OpenID Connect, with a focus on secure, high-throughput API Key management.
Observability-Driven Development: A "monitor-first" mindset, using tools to track database contention, connection pooling, and latency bottlenecks before they impact the end user.
Experience using AI tools: we are an AI first company and you should be comfortable using AI to code, debug and gather information from multiple sources.

Desired Skills:

Experience transitioning legacy PHP services into modern Node.js microservices.
Familiarity with event-driven architectures and message brokers (e.g., Kafka, RabbitMQ).
Prior experience in a "Platform" or "Foundations" team where your primary customers were other internal developers.

Education & Experience:

Bachelor’s Degree in Computer Science, Computer Engineering, Software Engineering or related field. Equivalent experience may substitute for education.
6+ years of related experience

Alertus Career Advantages:

Unlimited Paid Time Off
Paid Holidays
401(k) Retirement Plan
Medical, Dental, and Vision Plans
Short-term Disability, Accident, Hospital, and Cancer Insurance
Live Near Your Work HomeBuying Incentive
Employee Referral Bonuses
Flex Scheduling

Additional Information:

Our approach to Artificial Intelligence. We value the human element of our hiring process. We do not use AI to screen applications or replace human judgment in our selection, and all final decisions are made by real people. We ask that you approach your application with the same spirit. The use of AI to answer interview questions during the interview or to take technical assessment tests is strictly prohibited and can result in the immediate disqualification of your candidacy. As a reminder, recording conversations is illegal in many states without dual party consent.

All applicants who wish to be employed by Alertus, regardless of work location, must be fully vaccinated or in the progress of vaccination by the first day of their employment (some exceptions may be considered if within the guidelines of the company policy). Proof of vaccination or exemption must be provided prior to their start date.

Alertus Technologies is an Equal Opportunity/Affirmative Action Employer. All applicants will be considered for employment without attention to race, color, sex, religion, sexual orientation, gender identity, national origin, disability, or status as a protected veteran.

All your information will be kept confidential according to EEO guidelines.

AT THIS TIME, ALERTUS DOES NOT PROVIDE VISA SPONSORSHIP

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Jobs in the United States