Senior Software Engineer
Twilio
At Twilio, we’re shaping the future of communications, all from the comfort of our homes. We deliver innovative solutions to hundreds of thousands of businesses and empower millions of developers worldwide to craft personalized customer experiences.
Our dedication to remote-first work , and strong culture of connection and global inclusion means that no matter your location, you’re part of a vibrant team with diverse experiences making a global impact each day. As we continue to revolutionize how the world interacts, we’re acquiring new skills and experiences that make work feel truly rewarding. Your career at Twilio is in your hands.
We use Artificial Intelligence (AI) to help make our hiring process efficient. That said, every hiring decision is made by real Twilions!See yourself at Twilio
Join the team as Twilio’s next Senior Software Engineer.
About the job
This position will be part of a team of talented engineers within our Commerce Platform Team, who build services and products that operate at a massive scale. This platform is central to Twilio's core business as it is responsible for managing the billing lifecycle and payment experience for our customers, while also acting as a gateway for discovering and selling our products. Billing is going through a transformational journey, and we are introducing new and exciting capabilities. The engineer in this role will be part of a team that focuses on the control plane, billing experience and account lifecycle management.
The successful candidate will design, build, and operate core billing platform services that help transition our platform and our customers to the next generation architecture. These services work for all Twilio customers, regardless of their scale and billing complexity.
The ideal candidate will build high-quality, innovative and fully performing software that complies with high levels of coding standards and technical design. This is to build and integrate services that continuously improve our ability to provide products to customers while simultaneously delivering industry leading availability. We do this by leveraging technologies that include AWS cloud infrastructure and APIs, Apache Kafka , Rest APIs (OpenAPI compliance), while also building our own services.
Responsibilities
In this role, you’ll:
- Improve your knowledge of highly available and scalable distributed systems and use this knowledge to build new features into our platform.
- Design, implement, and operate both new features on our current services as well as new services that will be built from scratch.
- Leverage your excellent communication and written skills to articulate the 'why' of the solution you are proposing, and have a good understanding of your team’s priorities and the customer impact.
- Troubleshoot and fix operational issues and have the opportunity to improve the troubleshooting procedures and tools.
- Execute full software development life cycle (SDLC).
- Develop flowcharts and documentation to identify solutions.
- Write well-designed, testable code.
- Document and maintain software functionality.
- Troubleshoot, debug and upgrade existing systems.
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!
As a Commerce Platform engineer, you will design and build core platform services, REST APIs and take part in transitioning our platform to next generation architecture. We run on AWS cloud infrastructure and use AWS cloud data store, EKS, Glue, Kafka, Aurora RDS etc.
*Required:
- 5+ years of work experience building highly scalable products.
- 5+ years of programming experience in object-oriented language (Java or similar) with clean code practices.
- Expert knowledge in Object-Oriented Programming with a successful track record.
- Experience contributing to architecture and design (architecture, design patterns, reliability and scaling) of new and current systems.
- Experience working closely with our Product team to understand requirements and help to define technical work for the team.
- Experience working with stakeholders at all levels - be able to dive into the nuts-and-bolts of how things work as needed.
- Experience with relational and non-relational databases.
- Experience delivering high levels of observability and proficiency in improving early warning systems, for example: has worked with Grafana/DataDog/Prometheus.
- Collaborating with internal/external teams/engineers and fostering an inclusive environment, where all points of view are welcomed and encouraged.
- Own and lead multiple domains of the platform (microservices, REST APIs, infrastructure) from inception to deployment and maintenance, while making best in class technical decisions that impact the success of the company.
- Familiarity in Cloud Solutions, AWS , Kubernetes/EKS, CI/CD pipelines, Testing & Automation.
- Self driven - you take complete ownership of your tasks and champion efforts to get your tasks to completion.
- Clear written and spoken communication skills.
- Degree in Computer Science or a related field, or equivalent work experience.
Desired:
- Experience with on-call support for mission-critical customer systems.
- Experience optimizing and debugging complex SQL queries.
- Experience working on customer-facing applications.
- Good debugging skills on production systems.
- Proficient in Linux and containerization with Kubernetes.
- Nice to have skills: gRPC, Python, Typescript, React, Apache Kafka .
Location
This role will be remote, and based in Ireland.
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.
- ...products and services that help people, businesses and governments realize their greatest potential. Title and Summary Senior Software Engineer Senior Software Engineer Overview: Who is Mastercard? Mastercard is a global technology company in the payments...SeniorFull timeWorldwide
- ...products and services that help people, businesses and governments realize their greatest potential. Title and Summary Senior Software Engineer in Test The Mastercard Consumer Data Management (CDM) program are on a mission to evolve our services and drive adoption...SeniorFull timeWork experience placementWorldwide
- ...products and services that help people, businesses and governments realize their greatest potential. Title and Summary Senior Software Engineer Overview Be part of the Operations & Technology Fraud Products team developing new capabilities for MasterCard's Decision...SeniorFull timeWorldwide
- ...products and services that help people, businesses and governments realize their greatest potential. Title and Summary Senior Software Engineer Overview The Mastercard Fraud Scoring and Analytics Platform team in Dublin have an exciting opportunity to hire a Senior...SeniorFull timeWork experience placementWorldwide
- ...products and services that help people, businesses and governments realize their greatest potential. Title and Summary Senior Software Engineer Overview The Program Modernization team at MasterCard drives transformation and champions modernization across technology...SeniorFull timeWorldwide
- ...products and services that help people, businesses and governments realize their greatest potential. Title and Summary Senior Software Engineer Role Overview We are seeking a highly capable Senior Software Engineer with a strong foundation in software development...SeniorFull timeWorldwideFlexible hoursShift work
- ...Summary HubSpot is building the next generation of AI-powered experiences across our go-to-market platform. We’re hiring a Senior Software Engineer II to join the Flywheel Context team - a foundational group responsible for building the data and context layer that...SeniorRemote jobWork at office
- ...artificial intelligence, and programmable software-defined networking (SDN), Arista... ...with prestigious awards—including Best Engineering Team, Best Company for Diversity, and top... ...systems-fluent, and protocol-proficient Senior C++ Engineer to join our Software for Open...SeniorPermanent employmentFull timeRemote workHome officeShift work
- ...governments realize their greatest potential. Title and Summary Senior AI Engineer Who is Mastercard? Mastercard is a global technology... ...across our platforms. This role sits at the intersection of software engineering, machine learning engineering, and applied data...SeniorFull timeWorldwide
- ...governments realize their greatest potential. Title and Summary Senior AI Engineer Overview Mastercard is seeking a Senior AI Engineer to... ...AI initiatives, applying advanced machine learning and software engineering practices to move models from experimentation...SeniorFull timeWorldwide
- ...governments realize their greatest potential. Title and Summary Senior Site Reliability Engineer Who is Mastercard? At Mastercard technology, we... ...our developers during the application build phase in software run principles that include operational design,...SeniorFull timeWorldwide
- ...organization, apply now. Job Summary We are looking for a Senior Splunk Developer to design, build, and optimize scalable Splunk... ...investigations and compliance audits. Mentor junior Splunk engineers and contribute to Splunk‑related practices. Required Skills...SeniorWork at officeRemote workFlexible hours
- ...governments realize their greatest potential. Title and Summary Senior Platform Engineer - Linux Overview: Linux Systems Administrator, Platform Support to provide support of technical hardware and software expertise in support of MasterCard Linux Operating systems...SeniorFull timeWorldwide
- ...set of products and services that help people, businesses and governments realize their greatest potential. Title and Summary Software Engineer II Overview The Virtual Card Management (VCM) team is part of the Commercial Transaction Management & Controls (CTMC)...Full timeWorldwide
- ...set of products and services that help people, businesses and governments realize their greatest potential. Title and Summary Software Engineer II Software Engineer II - Test Automation/Java We are looking for a Software Engineer – Test Automation (Java) with 3+...Full timeWorldwide
- ...set of products and services that help people, businesses and governments realize their greatest potential. Title and Summary Software Engineer – DevOps / SRE Overview The Mastercard Authentication team in Dublin is hiring a Software Engineer II with emphasis on...Full timeWorldwide
- ...products and services that help people, businesses and governments realize their greatest potential. Title and Summary Foundry R&D Software Engineer II Who is Mastercard? Mastercard is a global technology company in the payments industry. Our mission is to connect and...Full timeWorldwide
- ...products and services that help people, businesses and governments realize their greatest potential. Title and Summary Principal Software Engineer About Mastercard Mastercard powers a global, inclusive digital economy. We build secure, scalable technology that...Full timeWorldwide
- ...products and services that help people, businesses and governments realize their greatest potential. Title and Summary Principal Software Engineer Who is Mastercard? Mastercard is a global technology company specializing in the payments industry. Our mission is to...Full timeWork experience placementWorldwide
- ...their greatest potential. Title and Summary SR Azure Database Engineer Who is Mastercard? Mastercard is a global technology... ...Overview The Database Engineering team is looking for a Senior Platform Engineer to drive our customer experience strategy forward...SeniorFull timeWorldwide
- ...breakthroughs at the Intelligent Edge. ADI combines analog, digital, and software technologies into solutions that help drive advancements in... ...and on LinkedIn and Twitter (X) . Product Applications Engineer About the Role As a Product Applications Engineer at...Permanent employmentWork at officeRemote work
- ...their greatest potential. Title and Summary Principal DevOps Engineer - Decision Management Platform Overview Join Mastercard’s... ...cost efficiency. All About You • 8+ years of experience in Software Engineering and DevOps roles, including at least 2 years in a...Full timeWorldwide
- ...services that help people, businesses and governments realize their greatest potential. Title and Summary Principal Oracle Platform Engineer Principal Platform Engineer (Database) Location: Dublin, Ireland (Hybrid) Level: Principal / Lead Focus: 70% Architecture...Full timeWorldwide
- ...governments realize their greatest potential. Title and Summary Lead Software Engineer Overview Mastercard is seeking a Lead Software Engineer... ...disruption and continuous improvement Mentor junior and senior engineers, providing technical guidance and delivery...Full timeWorldwide
- ...governments realize their greatest potential. Title and Summary Lead Software Engineer Overview Be part of the Operations & Technology Fraud... ..., automated delivery & automated monitoring. • Mentor the senior & junior engineers on your team through sound technical...Full timeWorldwide
- ...governments realize their greatest potential. Title and Summary Lead Software Engineer Lead Software Engineer Overview: Who is Mastercard?... ...problems with practical, high-impact solution • Keep senior stakeholders informed of progress, risks, trade-offs, and...Full timeTemporary workWorldwide
- ...products and services that help people, businesses and governments realize their greatest potential. Title and Summary Lead Software Engineer Overview: Mastercard is seeking a Lead Software Engineer to join our growing Commercial Connect API team. This team is building...Full timeWorldwide3 days per week
- ...products and services that help people, businesses and governments realize their greatest potential. Title and Summary Full Stack Software Engineer II - React and Java Overview Mastercard Payment Gateway Service (MPGS) is on the lookout for a passionate and innovative...Full timeWorldwide
- ...their greatest potential. Title and Summary Site Reliability Engineer I-1 The Next Edge BizOps team is looking for a Site Reliability... .... • Support the application CI/CD pipeline for promoting software into higher environments through validation and operational gating...Full timeWorldwideShift work
$180k - $400k
...knowledge. Our team is small, highly motivated, and focused on engineering excellence. This organization is for individuals who... ...Ireland. Required Qualifications A minimum of 8 years of software, systems or reliability engineering experience. Experience...Temporary workWork at office
Do you want to receive more vacancies?
Subscribe and receive similar vacancies to Senior Software Engineer. Be the first to apply!
- ngo software engineer Ireland
- software developer Ireland
- financial software developer Ireland
- senior software engineer ruby on rails Ireland
- software engineer amazon Ireland
- senior software design engineer Ireland
- software developer fintech Ireland
- consulting software engineer Ireland
- director software engineering Ireland
- experienced software developer Ireland

