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Senior Systems Engineer - Traffic Management
Nubank
Palo Alto, CA · Miami, FL
- Operated large-scale, high-performance synchronous distributed systems in the cloud, working directly with load balancers, reverse proxies, TLS/mTLS and routing, and using metrics, logs…
Added 2 mins ago
Applied AI Architect, Public Sector (State & Local Government)
Anthropic
San Francisco, CA · New York City, NY · Washington, DC
…challenges while maintaining our high standards for safety and…
Added 5 mins ago
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Senior Director, Power Systems Engineering – OCI Data Center Infrastructure
Oracle
United States
- $182,000 to $414,400 USD / year
Establish OCI’s long-term power systems engineering strategy supporting rapidly growing AI and cloud infrastructure requirements.
Added 5 mins ago
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Principal Software Developer
Oracle
Austin, TX
- $114,600 to $234,600 USD / year
…organization at OCI is leading this effort by creating a GPU focused cloud with the latest hardware providing the best performance, efficiency, reliability, and scalability. This is your…
Added 6 mins ago
Staff Software Engineer, Identity & Access Management
Crusoe
San Francisco, CA
Crusoe is building the world's favorite AI-first cloud, and the Identity & Access Management (IAM) team is the security bedrock our customers trust to run their most demanding AI and GPU…
Added 6 mins ago
Senior Software Engineer, Identity & Access Management
Crusoe
San Francisco, CA
Crusoe is building the world's favorite AI-first cloud, and the Identity & Access Management (IAM) team is the security bedrock our customers trust to run their most demanding AI and GPU…
Added 6 mins ago
Senior Systems Engineer
Robert Half
Avondale, AZ
We are seeking an experienced Senior Systems Engineer to lead the design, administration, optimization, and support of a complex enterprise infrastructure environment. This role is…
Added 7 mins ago
Head of Advanced Support
DRIVENETS
Remote, United States
…topology, day-zero validation and lifecycle. Performance & Reliability detects, triages and pinpoints faults and is backed by a shared Diagnostics library of failure modes. Care handles…
Added 8 mins ago
Senior Engineer, Network Security
Lifepoint Health
Remote, United States
Lifepoint Health has an opportunity for a Senior Engineer, Network Security- Remote
Added 10 mins ago
Systems Development Engineer, ADC2S - USACO
Amazon Development Center U.S., Inc.
Seattle, WA · Bellevue, WA
…entrepreneurial feel of a start-up. This is an opportunity to operate and engineer systems on a massive scale, and to gain top-notch experience in cloud computing. You'll be surrounded by…
Added 10 mins ago
Software Development Engineer, Eva Development Team
Amazon Web Services, Inc.
Bellevue, WA
…infrastructure. In other words, we’re the people who keep the cloud running. We support all AWS data centers and all of the servers, storage, networking, power, and cooling equipment that…
Added 10 mins ago
Sr Forward Deployed Engineer (FDE), AWS Forward Deployed Engineering, US Government
Amazon Web Services, Inc.
Jessup, MD · Arlington, VA · Seattle, WA · Denver, CO · Herndon, VA
A Forward Deployed Engineer (FDE) embeds directly inside a strategic enterprise customer to design, build, deploy, and run AI-powered production systems alongside the customer's engineering…
Added 11 mins ago
DevOps Cloud Engineer - EviCore - Remote
The Cigna Group
United States
At eviCore, you'll have the opportunity to make a meaningful impact on our engineering productivity, platform reliability, and customer experience. You'll help shape and enhance our DevOps…
Added 15 mins ago
Software Engineer II
Samsara
Remote, United States
Samsara (NYSE: IOT) is the pioneer of the Connected Operations™ Cloud, which is a platform that enables organizations that depend on physical operations to harness Internet of Things (IoT)…
Added 16 mins ago
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Performance Engineer - Expert
Randstad USA
Remote, United States
- $68.87 to $71.87 USD / hour
We are seeking a Performance Engineer to improve the speed, scalability, reliability, and user experience of our digital platforms. You will combine performance testing, frontend auditing,…
Added 21 mins ago
Software Engineer
ProSomnus
Pleasanton, CA
This hands-on role spans mobile applications, embedded sensor technology, and cloud-based services. The engineer will contribute to product features, software enhancements, and reliability…
Added 26 mins ago
Senior Vice President, Full-Stack Engineer
BNY
Jersey City, NJ
We’re seeking a future team member for the role of Senior Vice President Fullstack Engineer to join our Wealth Services team. This role is located in CITY
Added 28 mins ago
Mid Level SDET
Vidoori
Hyattsville
We are seeking an analytical, quality-focused, and collaborative Mid-level Software Development Engineer in Test to join our engineering team. This role is ideal for someone with…
Added 28 mins ago
Software Engineer
Everpure
Santa Clara, CA
At Everpure, we build the high-performance foundation of the Enterprise Data Cloud, delivering six 9s of continuous availability to global organizations. As a Systems Software Engineer on…
Added 30 mins ago
Java Server Engineer - ASE Products
Apple
Cupertino, CA
Drive end-to-end development of new Calendar features, with a focus on performance, reliability, and security.
Added 30 mins ago
Senior Staff/Principal Engineer, Foundation Model Compute Infra
Apple
Cupertino, CA · Santa Clara, CA · Seattle, WA
As a Senior Staff/Principal Engineer on the Foundation Model Compute Infrastructure team, you will architect, build, and operate large-scale infrastructure powering foundation model…
Added 31 mins ago
Backend Software Engineer - Enterprise
E2B
San Francisco, CA
E2B is a fast-growing Series A startup with over $37M in funding and 8-figure revenue. We are building the Agent Cloud and power the infrastructure behind AI labs and some of the most…
Added 32 mins ago
Senior Cloud Data Ops Engineer
Granite Telecommunications
Quincy, MA
The Cloud Data Ops team is hiring a Senior Cloud DBA & Data Platform Engineer who brings deep, hands-on DBA expertise across SQL Server, Postgres (w/Timescale) and Oracle, combined with…
Added 34 mins ago
Senior AI/ML Engineer
International Motors, LLC
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The Senior AI/ML Engineer designs, develops, deploys, and operates production-grade artificial intelligence and machine learning solutions that deliver measurable business outcomes. This…
Added 35 mins ago
DevOps & Systems Engineer
Safepoint MGA, LLC
Temple Terrace, FL
The DevOps & Systems Engineer is responsible for the reliability, security, automation, deployment, monitoring, and ongoing administration of the company's cloud and internal technology…

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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