Senior Backend Software Engineer

Join our dynamic team at Toast as a Senior Backend Software Engineer, where you will play a pivotal role in designing and developing innovative backend solutions. You will collaborate with cross-functional teams to create efficient and scalable systems that enhance our platform’s performance and user experience.Your expertise in backend technologies will drive the development of robust software applications, ensuring high availability and performance. Be part of a culture that values innovation, teamwork, and continuous learning.

Semperis develops enterprise security and identity solutions, with a focus on creating an environment where employees feel valued and supported. The company has been recognized by Inc. 5000 as one of America’s fastest-growing cybersecurity companies and is listed as a DUNS 100 Top Startup to Work For. Semperis has also received the Inc. Best Workplace award multiple times. Role overview The Platform Group at Semperis is seeking a Senior Backend Software Engineer based in Dublin, Ireland. This position centers on designing and building shared infrastructure components that underpin the company’s security and identity products. The role blends hands-on engineering with teamwork across product, DevOps, and architecture groups. What you will do Design and implement shared platform components to support scalability, reliability, and maintainability for several product teams. Architect distributed systems using microservices and event-driven approaches for enterprise-scale workloads. Own key backend services throughout their lifecycle, focusing on code quality, performance, and operational standards. Collaborate with product engineers, DevOps, and architects to define platform features and set technical guidelines. Mentor junior engineers through code reviews, pair programming, and technical advice. Lead technical projects aimed at improving developer productivity, system observability, and platform resilience. Contribute to architectural decisions and help define backend development best practices across the company. Analyze system performance and data trends to identify optimization opportunities and guide future platform investments. Requirements Minimum 7 years of professional experience in software engineering, with a strong emphasis on backend development. Expertise in C# and .NET Core, including familiarity with recent framework enhancements and performance features.

Founded in 2018 with dual headquarters in Dublin and Boston, Tines is at the forefront of streamlining crucial workflows through our intelligent workflow platform. By integrating AI, automation, and human creativity, we facilitate substantial business outcomes.We cater to a wide array of clients, from ambitious startups to established public companies, including notable names like Canva, Databricks, Elastic, Kayak, Intercom, and McKesson. Our vendor-agnostic approach allows seamless integration with any API-enabled service, empowering our clients to realize their highest-priority objectives with speed and efficiency. Moreover, Tines is designed with security and privacy at its core, making it a preferred choice for security, IT, engineering, finance, and other risk-conscious teams.At Tines, our guiding principles of Simplicity, Speed, and Soundness drive us to deliver outstanding customer experiences while cultivating a workplace culture that celebrates curiosity, growth, and integrity. We are excited about the future and invite talented individuals to join us on this journey.In this pivotal role, you will contribute to the enhancement of our backend job processing engine, focusing on scalability and performance. As a member of our expanding software engineering team, your responsibilities will extend beyond a single component of our product or technology stack.This position transcends mere code writing; you will play a crucial role in influencing our technical direction, product evolution, and company culture. Our engineering team is collaborative and supportive, taking pride in our collective accomplishments and the challenges we tackle. We are committed to nurturing each other’s skills and creating an environment conducive to producing our best work.Location:This role is fully remote, allowing you to work from anywhere in Ireland. You also have the option to utilize our office space in Dublin for team meetups when desired.In this role, you will:Collaborate closely with team members to devise optimal solutions for our customers' challenges.Implement meaningful changes to our codebase within your first week, with rapid deployment to production.Shape the workflow execution process at the core of our system, helping us power the world’s most important workflows.Write and review high-quality, thoroughly tested code to ensure a stable product for our customers and a manageable codebase for our team.Identify opportunities for improvement within our codebase and operational processes.

Join Contentful as a Senior Software Engineer specializing in Backend & Infrastructure, where you will play a pivotal role in architecting robust, scalable systems that empower our clients to deliver exceptional digital experiences. You will leverage your expertise to optimize backend systems and enhance our infrastructure, ensuring seamless integration and performance.

At ClickUp, we’re not just developing software; we’re crafting the future of work! In a world inundated with work sprawl, we envisioned a better solution. That's why we engineered the first truly integrated AI workspace, combining tasks, documents, chat, calendar, and enterprise search, all enhanced by context-driven AI. This empowers millions of teams to break free from silos, reclaim their time, and reach new heights of productivity. At ClickUp, you have the unique opportunity to learn, apply, and innovate with AI in ways that will not only shape our product but also redefine the future of work. Join us and be a part of a courageous, forward-thinking team that’s challenging the status quo! We are looking for outstanding backend engineers to join our Meetings team! This team is at the forefront of collaboration—enabling real-time communication, seamless integrations, and smart features that enhance the productivity of every meeting. We are particularly keen on engineers with a background in AI voice transcription, speech-to-text, or related technologies who are excited about building scalable, high-performance systems capable of processing millions of audio events and transcripts daily.If you thrive on designing robust APIs, optimizing distributed systems, and working at the nexus of AI and productivity, we would love to hear from you!

Join Grafana Labs, a pioneering force in the open-source community with a remote-first approach. With over 20 million users globally, Grafana empowers individuals and organizations to visualize and monitor a wide array of data, from environmental changes to infrastructure health. Our dashboards have made an impact in venues as prestigious as NASA and the Tour de France, and we support over 3,000 companies, including industry giants like Bloomberg and JPMorgan Chase. Our scalable solutions, from Grafana Cloud to Grafana Enterprise Stack, ensure that companies effectively manage their observability strategies.As we grow rapidly, we remain dedicated to our core values: fostering a culture of collaboration, transparency, and innovation. We believe in meaningful work and encourage our team to thrive in an environment built on trust and autonomy.If you’re excited about this opportunity, don’t hesitate to apply, even if you don’t meet every requirement. This could be a career-defining moment for you!Position Overview: Senior Backend Engineer - AlertingThis is a remote opportunity for candidates based in Ireland.Your Role:As part of the Grafana Alerting team, you will play a vital role in enhancing the Grafana open-source project by providing users with advanced alert management capabilities. This backend-focused team collaborates closely with clients and Grafana Cloud teams to ensure alert functionality that scales efficiently in both on-premise and cloud environments.Our recent projects highlight the scope of our work, including:Developing distributed systems for scalable alert ingestion and delivery for Prometheus-based alerts.Integrating alert setup and delivery systems for seamless operation across Grafana and Prometheus.Building high-performance systems capable of processing over 500 evaluations per second for Grafana-managed alerts in production.Grafana Alerting is trusted by numerous organizations worldwide, including those monitoring critical infrastructure and essential medical devices.

Role overview The Staff Software Engineer - Backend Development at Ripple will focus on designing and building scalable backend systems in Dublin, Ireland. This position plays a central role in supporting the platform’s performance and reliability. Regular collaboration with cross-functional teams is expected. What you will do Partner with engineers and other groups to design backend architecture Develop systems that enhance platform reliability and scalability Help set technical direction for products and backend solutions Offer ideas and contribute code to address evolving customer needs

About the CompanyAffinidi is an innovative technology firm committed to revolutionizing data ownership for individuals and businesses alike. We equip our users with the tools to control and manage their data securely, ensuring privacy while encompassing the entirety of their digital identity.Our cutting-edge technology facilitates decentralized digital identity solutions, reinforcing our belief that everyone deserves the right to own and control their data. We are dedicated to building a trusted ecosystem of digital credentials that enable seamless and secure data exchange across various industries and international borders. About the Role:We are seeking a solution-driven Senior Backend Engineer (Rust) with proven expertise in designing and implementing robust backend systems. In this pivotal role, you will contribute to our mission by developing scalable solutions that enhance our decentralized identity platform.

Join Our Team at Twilio!At Twilio, we are redefining the landscape of communication technology, all while working remotely. Our innovative solutions empower hundreds of thousands of businesses and millions of developers globally to create tailored customer experiences that truly resonate.Our commitment to remote-first work fosters a strong culture of inclusivity and connection, ensuring that every team member, regardless of their location, is part of a vibrant, diverse community making a significant impact daily. As we continue to revolutionize global interactions, we invite you to enhance your skills and find fulfillment in your career at Twilio.We leverage Artificial Intelligence (AI) to streamline our hiring processes, ensuring efficiency, fairness, and transparency, while every hiring decision is ultimately made by our dedicated Twilions, guaranteeing a personal touch throughout.Step into Your Future at TwilioWe are looking for a passionate Backend Software Engineer to join our dynamic team.About the RoleIn this pivotal position, you will be instrumental in building and maintaining the essential infrastructure that supports webhook delivery across all Twilio products. You will design features, implement system enhancements, and shape the future of this high-scale platform service, which dispatches billions of webhooks to customers around the globe.As a Backend Engineer, you will develop Java services and manage Kubernetes infrastructure, delivering impactful features and improvements to Twilio Webhooks. Our engineering teams operate like autonomous mini-startups, granting you ownership and influence over your work. Learn more about Twilio Webhooks: https://www.twilio.com/docs/usage/webhooksYour ResponsibilitiesDesign, implement, rigorously test, and support scalable microservices within a collaborative environment.Advocate for and implement operational best practices while providing on-call support for team services.Demonstrate a swift capacity for learning new technologies and methodologies.

Join Rent The Runway as a Software Engineer III specializing in FullStack and BackEnd development. In this role, you will be responsible for designing, developing, and maintaining scalable web applications that enhance our customer experience. You will collaborate with cross-functional teams to deliver innovative solutions and contribute to our mission of making fashion accessible for all.

Join Squarespace as our inaugural Staff Engineer for the newly established Websites Fundamentals platform team in Dublin. In this pivotal role, you will serve as the primary technical leader, laying the foundation for the platform that supports our product ecosystem. You will tackle complex, low-level architectural challenges that enhance technical efficiency and enable our engineering teams to operate with exceptional speed.Your responsibilities will include designing and implementing high-performance, scalable solutions that will support our future growth. Collaborating with senior technical leaders, you will define a sustainable long-term technical roadmap for the Platform team, ensuring that all engineering decisions reflect our commitment to enduring ownership.As a strategist, you will also remain hands-on, demonstrating best practices by writing clean, resilient code for our most intricate foundational needs. Your success will be gauged by the ease you create for your peers. By reinforcing our core platform, you will establish the abstractions that allow engineers to focus on innovation rather than being bogged down by complex dependencies and the intricate health of our platform.You will act as the principal technical partner for the emerging team, setting benchmarks for engineering excellence and operational rigor.This position reports directly to the Engineering Manager for Websites Applications in Dublin. This is a hybrid role, requiring you to work in our Dublin office three days a week.

Our MissionAt Wayflyer, we are dedicated to providing global access to top-tier products by empowering exceptional businesses to achieve their full growth potential. About WayflyerIn today's fast-paced market, small and medium-sized businesses (SMBs) require a capital partner that aligns with their growth aspirations. Traditional financing methods can be slow and often inaccessible. That's where we come in.Our innovative technology enables us to evaluate businesses within minutes, offer financing that mirrors their growth prospects, and transfer funds within just 24 hours.Since our inception in April 2020, we have successfully allocated over $5 billion to thousands of businesses globally, supported by leading financial institutions such as J.P. Morgan. We take pride in being a trusted financing ally to numerous remarkable brands like True Classic, Little Words Project, and Kekoa Foods.At Wayflyer, our teams are inherently cross-functional. You will collaborate with driven colleagues from around the world, united in the pursuit of a significant opportunity. Watch this video to hear directly from our team. Culture & Values at WayflyerWe pride ourselves on being principled individuals, outstanding operators, and ambitious achievers. Our collaboration is grounded in integrity, creativity, and bold optimism, striving to deliver exceptional results. To discover more, visit our careers page. Your Role at a Glance: Key Contributions to the TeamDesign and develop scalable backend services utilizing Python and Django, with a focus on our core financial products.Create and maintain RESTful APIs that support our customer-facing applications and internal tools.Implement robust data models and database schemas to underpin our financial services infrastructure.Produce clean, testable code accompanied by comprehensive unit and integration testing.Work in tandem with cross-functional teams to design and deploy new features and enhancements.

Join our innovative team at Arista Networks as a Backend Software Engineer, where you will play a crucial role in developing and optimizing our cutting-edge CloudVision platform. We are looking for passionate individuals who thrive in a collaborative environment and are eager to tackle complex challenges.Your responsibilities will include designing scalable backend systems, collaborating with cross-functional teams, and driving the implementation of best practices in software development.

Join the MongoDB Database Experience team, a vibrant and diverse group dedicated to enhancing our users' ability to manage MongoDB at a global scale. We develop cutting-edge tools for MongoDB Atlas, our database-as-a-service solution, which is our fastest growing product, enabling users to deploy fault-tolerant, globally distributed MongoDB clusters in mere minutes. We are on the lookout for a Senior Software Engineer to become a vital member of our Developer Tools Team within the Database Experience division. This team is key in creating tools that empower users to interact seamlessly with their data and monitor the health and performance of their MongoDB deployments. Whether through desktop applications like MongoDB Compass or web-based interfaces such as Atlas Data Explorer, the Developer Tools Team plays a crucial role in user engagement. This role requires participation in a 24/7 on-call rotation to maintain business continuity and ensure prompt incident response. This position can be fulfilled from our Dublin office or remotely within Ireland.

Jobgether is looking for a Backend Engineer based in Ireland. This position centers on developing and maintaining server-side applications that support the platform’s core services. Role overview This role focuses on building reliable backend systems. The Backend Engineer will contribute to the stability and performance of applications that power Jobgether’s offerings. What you will do Develop and maintain server-side software components Work with backend technologies to deliver software solutions Help ensure applications meet the needs of Jobgether users Requirements Experience with backend development Ability to build and maintain server-side applications

Join our dynamic team at Arista Networks, a leader in cloud networking solutions. We're seeking a talented Backend Software Engineer to contribute to our innovative CloudVision platform. In this role, you will develop and optimize backend systems that support our cutting-edge cloud technologies.

About the CompanyAffinidi is a pioneering technology firm focused on revolutionizing data ownership. Our mission is to empower individuals and businesses with autonomy over their data, providing a holistic approach to identity management that prioritizes privacy and security.Our innovative technology facilitates decentralized digital identity solutions. We advocate for the fundamental right of everyone to own and control their data. Our commitment lies in building a trustworthy ecosystem for digital credentials, enabling secure data and service exchanges across various industries and borders.About the Role: We are seeking a solution-driven Senior Backend Engineer with proven experience in Rust. You will play a pivotal role in developing backend systems that underpin our decentralized identity solutions, contributing to a future where individuals have full control over their data.

Affinidi develops technology that puts data ownership back in the hands of users and organizations. The company’s products use decentralized digital identity to help people and businesses manage their information securely and privately. By building tools that enable trusted exchange of digital credentials, Affinidi supports secure data sharing across industries and borders. Role overview The Senior Backend Engineer (Rust) will join the engineering team in Dublin. This position focuses on designing and building scalable backend systems that power Affinidi’s digital identity offerings. The work emphasizes backend performance, reliability, and maintainability, with Rust as the primary development language. What you will do Design and implement backend systems to support digital identity products Write and maintain code in Rust, ensuring quality and performance Collaborate with other engineers to solve backend challenges and improve system reliability Requirements Strong hands-on experience with Rust in a production environment Background in building scalable and reliable backend systems Solution-oriented mindset when approaching engineering problems Work location: Dublin, Ireland

The MongoDB Database Experience team is a dynamic and diverse group dedicated to enhancing user management of MongoDB at a global scale. We are focused on developing innovative tools for MongoDB Atlas, our rapidly growing database-as-a-service platform that enables users to deploy fault-tolerant, globally distributed MongoDB clusters in mere minutes. We are on the lookout for a Senior Software Engineer to become an integral part of our Developer Tools Team within the Database Experience department. This team is responsible for crafting tools that empower users to interact with their data and monitor the health and performance of their MongoDB deployments. Our work includes a variety of APIs and user-friendly interfaces, allowing MongoDB users to manage their stored data seamlessly, whether on desktop through MongoDB Compass or in the browser via Atlas Data Explorer. This position offers the flexibility to work from our Dublin office or remotely within Ireland.

Affinidi develops technology for data ownership and digital identity, focusing on privacy and security. The company creates tools that help both businesses and individuals manage and safeguard their data. Its decentralized digital identity solutions aim to give people meaningful control over personal information, enabling secure data exchange across industries and borders. Role overview The Senior Backend Engineer (Rust) will play a key part in building and maintaining Affinidi’s core platform. This position centers on designing and implementing backend systems that are both reliable and scalable. The work directly supports Affinidi’s mission to empower users with greater control over their data. Key responsibilities Design and develop backend components using Rust Build systems that are robust, reliable, and scalable Contribute to platform improvements that advance data privacy and user control Location Dublin, Dublin, Ireland