Source Job

US

  • Architect and develop scalable software solutions to enhance Twilio's communications platform.
  • Collaborate with cross-functional teams to deliver high-quality features and improvements.
  • Drive technical excellence through code reviews, testing, and continuous integration.

JavaScript Python Cloud Infrastructure RESTful APIs Distributed Systems

20 jobs similar to Senior Software Engineer

Jobs ranked by similarity.

Europe

  • Design, build, and operate core billing platform services that scale to millions of users.
  • Implement new features and improve existing services using AWS, Kafka, and REST APIs.
  • Troubleshoot operational issues and enhance troubleshooting procedures and tools.

Twilio is a cloud communications platform that enables businesses to engage with customers through messaging, voice, and video. With hundreds of thousands of customers and a remote-first culture, they foster a global, inclusive environment where diverse teams collaborate to innovate.

Ireland

  • Design and implement real-time services with high throughput and low latency, then verify, deploy and operationalize them.
  • Collaborate with stakeholders to understand customer needs and deliver simple, robust, and scalable solutions.
  • Embrace the challenge of scaling a complex distributed platform with global points of presence, ensuring high availability and reliability.

Twilio delivers innovative communication solutions to hundreds of thousands of businesses and empowers millions of developers worldwide. They are a remote-first company with a strong culture of connection and global inclusion, employing a diverse global team.

$171,120–$213,900/yr
US

  • Lead technical engagements end-to-end, scoping solution architecture in POC workshops and designing production-grade systems.
  • Write and ship production code (Python, TypeScript, Node) directly in customer codebases, working as a hands-on contributor.
  • Evangelize Twilio within B2B builder communities by driving net new POCs and demos that bring architectures to life.

Twilio is shaping the future of communications by delivering innovative solutions to hundreds of thousands of businesses and empowering millions of developers worldwide. The company is dedicated to remote-first work and a strong culture of connection and global inclusion, offering a vibrant team environment.

Colombia

  • Use strong technical and diplomatic skills to address customer issues and provide feedback to Product and Engineering teams.
  • Work with customers' developers and partners to resolve complex problems with potentially costly and far-reaching consequences.
  • Collaborate via Slack and file JIRAs to report bugs, while analyzing customer trends to improve support processes.

Twilio is shaping the future of communications by delivering innovative solutions to hundreds of thousands of businesses and empowering millions of developers worldwide. With a remote-first work culture and a strong emphasis on connection and inclusion, we are a vibrant global team of diverse experiences, making an impact each day.

India

  • Design, implement, and maintain scalable, high-availability cloud infrastructure for Twilio’s microservices.
  • Operate and maintain highly available services handling billions of weekly requests, including on-call rotations and incident response.
  • Build and optimize CI/CD pipelines, manage Infrastructure as Code with Terraform, and collaborate cross-functionally to drive technical excellence.

Twilio is shaping the future of communications, delivering innovative solutions to hundreds of thousands of businesses and empowering millions of developers worldwide. As a remote-first company with a strong culture of connection and global inclusion, Twilio is dedicated to employee growth, learning, and development.

UK Ireland

  • Lead technical engagements end-to-end from POC workshops to production deployment, shipping production code directly in customer codebases.
  • Architect solutions that pass customer security reviews, and run high-energy hackathons to accelerate adoption of new solutions.
  • Synthesize field insights from deployments to inform R&D, and build reusable technical assets to support customer adoption.

Twilio delivers innovative communication solutions to hundreds of thousands of businesses and millions of developers worldwide. The company is remote-first, with a strong culture of connection and global inclusion, and a diverse team making a global impact.

$105,000–$145,000/yr
US

  • Assist with software development using Python and JavaScript to design and build scalable back-end web services and APIs for legal and intellectual property stakeholders.
  • Manage and troubleshoot production systems, refactor existing applications, and implement robust software design patterns to improve business processes.
  • Integrate with third-party APIs and manage distributed systems in a production environment, collaborating with other engineers and analysts.

NBCUniversal is a leading media and entertainment company, creating and distributing content across film, television, and streaming, as well as operating theme parks. As a subsidiary of Comcast, it champions an inclusive culture and strives to develop a talented workforce.

  • Overhaul the email and calendar sync engine to improve performance and reliability for millions of messages.
  • Expand voice agent capabilities into live calls, including custom models for voicemail and phone-tree detection.
  • Build native scheduling and design human orchestration of an agentic workforce within the CRM.

Close is a sales communication platform that handles millions of call recordings, emails, and SMS monthly. We are a remote-first team that values transparency, long-term thinking, and investing in each other, with annual in-person retreats.

India

  • Lead a team of Technical Support Engineers in India to deliver exceptional customer experiences for Twilio's Voice Segment Platform Applications.
  • Ensure operational excellence by meeting KPIs, managing escalations, and driving process improvements.
  • Foster team growth through coaching, performance management, and cross-functional collaboration.

Twilio delivers innovative communications solutions to hundreds of thousands of businesses and empowers millions of developers worldwide. The company fosters a remote-first culture with a strong emphasis on connection and global inclusion.

US Unlimited PTO

  • Design and build scalable backend systems, APIs, and data pipelines
  • Own services end-to-end from architecture, development, deployment, to operation
  • Mentor junior engineers and contribute to a strong engineering culture

We transform vulnerability intelligence by helping security teams act faster with more confidence. We have a transparent, collaborative culture with a small, smart, and supportive team built on over two decades of cybersecurity experience.

$124,000–$329,200/yr
US

  • Design and scale highly available backend services and APIs supporting AI-powered developer tools.
  • Develop distributed systems optimizing reliability, latency, cost, and performance at global scale.
  • Provide technical leadership through mentorship, code reviews, and collaboration across engineering teams.

Our partner is building next-generation AI-assisted software development experiences. This remote-first role contributes to a globally impactful AI platform with a collaborative culture focused on innovation, inclusion, and technical excellence.

US 4w PTO 12w maternity 12w paternity

  • Design, build, and maintain enterprise integrations for real-time voice and communications workflows.
  • Develop backend services and APIs that integrate a deepfake detection platform with enterprise customer environments.
  • Collaborate with Product, Solutions Engineering, and enterprise customers to deliver secure, scalable, and reliable solutions.

Reality Defender is an award-winning cybersecurity company that helps enterprises and governments detect deepfakes and AI-generated media using a patented multi-model approach. Backed by world-class investors including DCVC, Y Combinator, and IBM, the company works with leading enterprise clients, financial institutions, and governments to prevent malicious use of AI-generated media.

United States

  • Design and scale systems to drive provider growth, from acquisition to retention.
  • Lead technical projects from concept to delivery, navigating trade-offs.
  • Mentor engineers and foster a high-performing engineering culture through code reviews.

Rula is a mental health company dedicated to treating the whole person with evidence-based and compassionate care. It is a remote-first company with most employees in the U.S., emphasizing diversity, equity, and inclusion.

Canada

  • Lead end-to-end development of scalable, customer-focused software features.
  • Architect and implement backend APIs and modern frontend applications.
  • Mentor engineers and contribute to engineering best practices and documentation.

The company builds enterprise SaaS solutions that help organizations operate with greater clarity, efficiency, and confidence. It is a fast-growing, remote-first organization with a collaborative culture and employee resource groups.

$166,708–$298,340/yr
Global

  • Work directly with customer engineering teams to design and implement real-time applications on the LiveKit platform.
  • Architect scalable solutions for voice AI and developer platforms, building prototypes and reference implementations.
  • Debug production issues, lead technical workshops, and translate customer needs into product improvements.

LiveKit builds infrastructure for the agentic era of computing, enabling developers to build, test, deploy, and scale AI agents in production. Founded in 2021, the company powers voice and agentic AI for leading enterprises like OpenAI, Salesforce, and Meta, with a focus on innovation and collaboration.

US Unlimited PTO

  • Design and build scalable AI-powered solutions on Genesys Cloud, including Agentic AI platforms and industry-specific accelerators.
  • Provide technical leadership across architecture, development, and delivery, collaborating with Product, Engineering, and Customer teams.
  • Drive adoption of advanced AI frameworks like LangGraph, CrewAI, and RAG architectures to solve real-world enterprise challenges.

Genesys provides AI-powered customer experience solutions that transform customer and employee interactions globally. As a large organization, they foster a culture of innovation and collaboration, offering development opportunities and flexible work options.

UK Unlimited PTO

  • Design and build scalable backend systems, APIs, and data pipelines for the vulnerability intelligence platform.
  • Own services end-to-end including architecture, development, deployment, and operation.
  • Lead technical design discussions and contribute to system architecture decisions while mentoring junior engineers.

VulnCheck transforms vulnerability intelligence by helping security teams act faster with more confidence. Founded in 2021, the company has a transparent, collaborative, and supportive culture with a fast-growing team of experts.

Canada

  • Design and ship scalable security solutions to bridge the gap between security and engineering teams.
  • Build cooperative partnerships with product and engineering teams to integrate robust security capabilities at scale.
  • Drive security risk reduction through technical leadership, security reviews, and mentorship across engineering teams.

Twilio is a communications platform that delivers innovative solutions to hundreds of thousands of businesses and empowers millions of developers worldwide to craft personalized customer experiences. The company has a remote-first work culture with a strong focus on connection, global inclusion, and diverse experiences, making a global impact each day.

$120,000–$150,000/yr
US 4w PTO

  • Design, develop, and maintain scalable software applications and services that integrate with healthcare systems and APIs.
  • Collaborate with engineering teams, product owners, and stakeholders to design and deliver scalable features and technical solutions.
  • Mentor other engineers, participate in code reviews, and contribute to operational excellence.

This company builds healthcare technology solutions that improve how providers and patients access critical services. They are a remote-first, collaborative engineering organization with a focus on high-quality software delivery.

US Unlimited PTO

  • You will configure and implement Genesys Cloud features including voice, digital channels, IVR/Architect flows, queues, routing strategies, and workforce engagement components.
  • You will perform detailed technical analysis, requirements gathering, and solution validation for customer environments.
  • You will troubleshoot and resolve complex issues related to telephony, SIP, routing logic, APIs, and platform performance.

NWN is an AI-powered technology solutions provider for North America's public and private organizations. The company has over 1,000 experts and a customer-obsessed culture, earning a 75 Customer Net Promoter Score.