Jobs in the United States

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Added 11 mins ago
High Speed IO (HSIO) Validation Engineer
Advanced Micro Devices, Inc
Santa Clara, CA
The High-Speed IO (HSIO) Validation Engineer is responsible for validating and debugging high-speed interfaces across CPU and GPU platforms spanning data center servers and AI systems. In…
Added 11 mins ago
Senior Embedded Firmware Lead
Advanced Micro Devices, Inc
Santa Clara, CA
You are a self-directed, technically rigorous engineer who is equally comfortable writing complex embedded firmware and guiding others through architectural decisions. You communicate…
Added 11 mins ago
Sr. Technical Support Engineer
Advanced Micro Devices, Inc
Austin, TX
Added 11 mins ago
Advanced AI Workloads - Performance and Scalability Engineer
Advanced Micro Devices, Inc
San Jose, CA
AMD is looking for a performance-obsessed engineer to drive AI inference performance to the absolute limit on AMD GPUs. You will lead a small, highly technical team and work end-to-end…
Added 11 mins ago
Software Development Eng.
Advanced Micro Devices, Inc
San Jose, CA
AMD is looking for a specialized software engineer who is passionate about improving the performance of key applications and benchmarks. You will be a member of a core team of incredibly…
Added 13 mins ago
Jr. Product Support Engineer
NEST
Sewell, NJ
…alongside experienced engineers and developers to ensure our applications, systems, and infrastructure operate efficiently and…
Added 15 mins ago
Senior Power Engineer, Platforms Engineering
Google
Sunnyvale, CA
As a Power Engineer in Technical Infrastructure, you will play a key role in the development of one of the world's fastest growing computing infrastructures. You will work as part of a team…
Added 21 mins ago
Staff Software Development Engineer – iOS
CVS Health
Remote, United States
…a highly skilled and innovative Staff Software Development Engineer – iOS to join our growing digital engineering organization. This Staff Engineering role offers the opportunity to drive…
Added 22 mins ago
Senior Epic Development & Support Engineer
CVS Health
Remote, United States
As a Senior Software Development Engineer – Ambulatory, your tasks will include, but are not limited to:
Added 22 mins ago
Quality Engineer
Amphenol Alden Products Company
Stoughton, MA
Added 22 mins ago
2027 Process Engineer III New College Grad - Doctorate (Gloucester, MA)
Applied Materials
Gloucester, MA
As a Process Engineer, you'll play a crucial role in designing and optimizing manufacturing processes for display and semiconductor manufacturing technologies. You will collect and analyze…
Added 22 mins ago
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Customer Service, Sales Floor Support & Stock - Mansfield Crossing Rack
Nordstrom
Mansfield, MA
- $18.15 to $18.85 USD / hour
Applications are accepted on an ongoing basis.
Added 22 mins ago
C
Sr. Lab System Support Engineer
Cognizant
Billerica, MA
- $95,000 to $115,000 USD / year
Cognizant is seeking a Sr. Lab System Support Engineer to support and govern laboratory systems and non-networked laboratory instruments within regulated Life Sciences environments.
Added 22 mins ago
C
Sr. Lab System Support Engineer
Cognizant
Billerica, MA
- $95,000 to $115,000 USD / year
Cognizant is seeking a Sr. Lab System Support Engineer to support and govern laboratory systems and non-networked laboratory instruments within regulated Life Sciences environments.
Added 22 mins ago
EC
Lead Power Systems Controls Engineer
Eaton Corporation
Franklin, MA
- $97,000 to $143,000 USD / year
…(PLC’s) and Human Machine Interfaces (HMI’s) for Power Transfer applications like (Main-Tie-Main, Main-Gen, Main-Tie-Main-Gen, Paralleling Switchgears…
Added 22 mins ago
AR
Senior ISSE – Air Force Systems (Hanscom AFB)
Applied Research Solutions
Bedford, MA
- $178,000 to $195,000 USD / year
Perform the Information System Security Engineer (ISSE) duties in an Information Assurance Workforce System Architecture and Engineering (IASAE) position as outlined in AFI 33-200, AFI…
Added 22 mins ago
AR
General Interdisciplinary Engineer (Journeyman)
Applied Research Solutions
Bedford, MA
- $132,000 to $142,000 USD / year
Applied Research Solutions is seeking a General/Interdisciplinary Engineer located in Bedford, Massachusetts.
Added 22 mins ago
Sensor System Engineer (Robotic vision), Amazon Robotics
Amazon
North Reading, MA
We are seeking a Sensor System Engineer to join the Machine Vision Systems team at Amazon Robotics. This is a cross-disciplinary Subject Matter Expert (SME) role that bridges the gap…
Added 22 mins ago
Business Development Engineer
Rousselet-Robatel
Pittsfield, MA
The Business Development Engineer will work with the business development and engineering teams to develop, implement, and execute organization plans that support the commercial growth of…
Added 22 mins ago
Associate Engineer / Technician
Rousselet-Robatel
Pittsfield, MA
The Associate Engineer / Technician will support the design engineering and field service engineering teams to deliver specific client services related to our centrifugation systems. The…
Added 22 mins ago
Q
Raw Materials and Scale-Up Scientist/Engineer
Qnity
Marlborough, MA
- $99,120 to $155,760 USD / year
Qnity Electronics’ Semiconductor Technologies – Lithography (ST Litho) R&D organization is seeking a Raw Materials and Scale-Up (RMS) Scientist/Engineer to join our team in Marlborough, MA.
Added 22 mins ago
FM
Principal Engineer AIX and Cloud
Fresenius Medical Care
Waltham, MA
- $117,000 to $196,000 USD / year
…standards. Oversee and facilitate project events that implement applications and components within proposed and existing technical frameworks. Goals are to identify, design, and implement…
Added 22 mins ago
Full Stack Engineer
CGI Technologies and Solutions, Inc.
Burlington, MA
CGI is seeking to hire an experienced Full Stack Engineer with strong hands-on expertise in Java, Angular, Node.js, APIs, microservices, and event-driven architectures.
Added 22 mins ago
Full Stack Engineer
CGI Technologies and Solutions, Inc.
Burlington, MA
Strong full stack engineer and problem solver who enjoys building scalable, resilient applications and collaborating across engineering, architecture, product, and business teams.
Added 22 mins ago
Sr Full Stack Engineer
CGI Technologies and Solutions, Inc.
Burlington, MA
CGI is seeking to hire an experienced Software Engineer to design and develop scalable enterprise applications supporting Contact Center and Workforce Management (WFM) technologies.

Twilio

Software Engineer (L3) Email

Remote, United States

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Job details

Apply by: Dec 21, 2026
Experience: Experience: 4+ years of professional software engineering experience building and operating resilient backend services at scale.
Posting language: English
Posted: Jan 1, 1970

Original job description

See yourself at Twilio

Join the team as Twilio’s next Software Engineer, (L3) Email

About the job

This position is a critical engineering role within Twilio SendGrid, requiring a hands-on engineer capable of developing, deploying, and managing highly available, massive-scale distributed systems.

Our systems regularly process more than 12 billion emails during peak events like Black Friday, and our throughput requirements continue to scale rapidly. As an L3 engineer, you will act as a key driver of execution within our core services. You will be heavily involved in modernizing our backend systems, optimizing our extensive Go-based microservices, and contributing to the design and reliability of our dual-cloud infrastructure span across Amazon Web Services (AWS) and Microsoft Azure.

Responsibilities

In this role, you’ll:

WEAR THE CUSTOMER’S SHOES: Architect and ship reliable, high-velocity features that handle critical traffic with low end-to-end latency. Partner closely with product management and technical leadership to break down complex system requirements into manageable, iterative milestones.
BE AN OWNER (CODE QUALITY): Drive rigorous code reviews and push for maintainable patterns in our Go codebase, ensuring high testing standards (unit, integration, and component testing) are executed across the team.
BE AN OWNER (INFRASTRUCTURE & OBSERVABILITY): Manage and enhance cloud configurations across AWS and Azure environments utilizing Infrastructure as Code (Terraform). Ensure deep observability coverage by standardizing metrics, alerts, and distributed tracing across core data pipelines.
CHAMPION ENGINEERING HEALTH: Advocate for a clean architectural foundation. Proactively identify technical debt, system bottlenecks, and single points of failure (SPOF), balancing feature delivery with critical platform refactoring.
MENTOR AND LEAD: Foster a collaborative environment by mentoring junior engineers, leading technical sprint planning, and sharing expertise across distributed engineering nodes.

Qualifications

Twilio values diverse experiences from all kinds of industries, and we encourage everyone who meets the required qualifications to apply. If your career is just starting or hasn't followed a traditional path, don't let that stop you from considering Twilio. We are always looking for people who will bring something new to the table!

Required:

Experience: 4+ years of professional software engineering experience building and operating resilient backend services at scale.
Modern Development Workflow: Practical experience leveraging AI-assisted development tools (such as Claude Code) to accelerate code generation, automate testing, and streamline debugging workflows.
Language Proficiency: Strong, hands-on production experience writing clean, idiomatic, and highly concurrent Go (Golang), Java or Python.
Cloud Infrastructure: Solid experience deploying and managing production workloads in cloud environments - ideally with deep exposure to AWS core services (such as EC2, S3, Aurora, or DynamoDB) AND Microsoft Azure equivalents (such as Virtual Machines, Blob Storage, Azure SQL, or Cosmos DB).
Infrastructure as Code: Proficiency with Terraform for provision-level automation and maintaining environment parity.
Distributed Systems: Strong theoretical and practical understanding of distributed datastores, caching layers, and asynchronous event streaming (e.g., Kafka or similar queuing ecosystems).
Systems Mindset: Strong foundational background in computer science fundamentals, data structures, and building self-healing cloud architectures.

Desired:

Prior experience managing high-throughput applications running inside containerized infrastructure (Docker, Kubernetes).
Familiarity with database migration pathways (e.g., transitioning traditional on-prem/relational datastores to managed instances like AWS Aurora).
Experience implementing OpenTelemetry or distributed tracing systems across decoupled microservice platforms.
Direct experience handling constraints related to network topology, proxy layers, or mail transfer agent (MTA) protocols.

Location

This role will be remote, but is not eligible to be hired in CA, CT, NJ, NY, PA, WA.

Travel

We prioritize connection and opportunities to build relationships with our customers and each other. For this role, you may be required to travel occasionally to participate in project or team in-person meetings.

What We Offer

Working at Twilio offers many benefits, including competitive pay, generous time off, ample parental and wellness leave, healthcare, a retirement savings program, and much more. Offerings vary by location.

Compensation

*Please note the salary range information provided applies only to candidates residing in California, Colorado, Hawaii, Illinois, Maryland, Massachusetts, Minnesota, New Jersey, New York, Vermont, Washington D.C., and Washington State due to local requirements. Compensation for candidates in other locations will be discussed during the hiring process. Please note that hiring for this role is not restricted to the locations listed above.

The estimated pay ranges for this role are as follows:

Based in Colorado, Hawaii, Illinois, Maryland, Massachusetts, Minnesota, Vermont or Washington D.C. : $138,700 - $173,400
Based in New York, New Jersey, Washington State, or California (outside of the San Francisco Bay area): $146,800 - $183,600
Based in the San Francisco Bay area, California: $163,100 - $203,900.
This role may be eligible to participate in Twilio’s equity plan and corporate bonus plan. All roles are generally eligible for the following benefits: health care insurance, 401(k) retirement account, paid sick time, paid personal time off, paid parental leave.

The successful candidate’s starting salary will be determined based on permissible, non-discriminatory factors such as skills, experience, and geographic location.

Applications for this role are intended to be accepted until 12/31/2026, but may change based on business needs.

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