Senior Backend Software Engineer

Join our dynamic team as a Senior Backend Software Engineer at Bolt, where you will tackle intriguing product challenges that include crafting complex algorithms for demand forecasting, optimizing real-time pricing, developing efficient routing solutions, implementing fraud detection mechanisms, and enhancing distributed systems. Our growth trajectory is imp…

Cresta is dedicated to transforming customer interactions into significant competitive advantages by harnessing the full potential of contact centers. Our innovative platform integrates artificial intelligence and human insights to uncover customer behavior, streamline processes, and empower teams to perform with greater efficiency. Founded by Sebastian Thrun, a visionary from Stanford's AI lab and the mind behind Google X, Waymo, and Udacity, our leadership also includes CEO Ping Wu, a co-founder of Google Contact Center AI, and Tim Shi, an early member of OpenAI.Join us as we embark on an exciting journey to redefine the future of work through AI. Experience the evolution of the workforce at Cresta.About the Role:As a Senior Backend Software Engineer on the Voice Platform team, you will play a pivotal role in reshaping our real-time voice infrastructure and enhancing contact center automation through advanced AI-driven backend systems. You will be instrumental in designing, scaling, and maintaining the distributed services that form the backbone of Cresta's voice ecosystem. Your contributions will include spearheading projects involving SIP and WebRTC support, multilingual processing, and real-time conversation intelligence. This position calls for strong technical leadership, a commitment to building dependable distributed systems, and the capacity to collaborate effectively with engineering and product teams to launch innovative features.

Cresta is revolutionizing the contact center industry, transforming every customer interaction into a strategic advantage. Our innovative platform merges cutting-edge AI technology with human expertise, enabling contact centers to extract valuable customer insights, streamline communication processes, and enhance overall efficiency. Co-founded by the renowned Sebastian Thrun, a pioneer in AI and former leader at Google X, Cresta has garnered the attention of top-tier investors and industry leaders.Our diverse clientele includes prominent brands such as Intuit, Cox Communications, Hilton, and Carmax, and we’ve been recognized as one of the leading private AI companies by Forbes and Bain Consulting. Join us in our mission to redefine the future of work with AI-driven solutions.Role Overview:As part of the Knowledge Assist (KA) team, you will develop AI solutions that empower contact center agents with timely and relevant information. Our initiatives include real-time generative assistance, knowledge search capabilities, and seamless integration with customer systems.We seek a passionate software engineer with a strong inclination for backend development who can thrive in a fast-paced environment. While this position primarily focuses on backend technologies, having a full-stack skill set will be an advantage.

Cresta is dedicated to transforming every customer interaction into a strategic advantage by harnessing the full power of contact centers. Our innovative platform merges cutting-edge AI with human expertise to enable contact centers to uncover customer insights, automate conversations, streamline processes, and empower every team member to enhance productivity. Established by the esteemed Stanford AI lab, Cresta is co-founded by Sebastian Thrun, renowned for his contributions to Google X, Waymo, and Udacity. Our leadership team includes CEO Ping Wu, co-founder of Google Contact Center AI and Vertex AI, along with Tim Shi, an early member of OpenAI.We have brought together a stellar team of AI and ML specialists, market leaders, and premier investors, including Andreessen Horowitz, Greylock Partners, Sequoia, and former AT&T CEO John Donovan. Our esteemed clients feature brands such as Intuit, Cox Communications, Hilton, and Carmax, and we have been recognized by Forbes and Bain Consulting as one of the top private AI companies globally.Join us in this exciting journey to reshape the workforce with AI. The future of work is at Cresta.

Cresta is revolutionizing the way customer interactions are transformed into strategic advantages through our innovative contact center platform. By integrating cutting-edge AI with human expertise, we empower businesses to uncover valuable customer insights, streamline processes, and enhance team efficiency. Founded by renowned Stanford AI lab co-founder Sebastian Thrun, whose visionary work includes Google X and Waymo, our leadership team also boasts Ping Wu, co-founder of Google Contact Center AI, and Tim Shi, an early member of Open AI.We’ve gathered an elite team of AI and ML specialists, industry leaders, and top-tier investors such as Andreessen Horowitz and Sequoia. Our esteemed clientele includes major brands like Intuit, Cox Communications, Hilton, and Carmax, and we’ve been recognized by Forbes and Bain Consulting as a top private AI company globally.Join us as we embark on an exciting journey to redefine the workforce with AI. The future of work is here and it starts at Cresta.

Cresta is on a mission to transform customer interactions into a distinctive advantage by harnessing the true power of the contact center. Our innovative platform merges advanced AI with human intelligence, enabling contact centers to uncover customer insights, streamline conversations, automate repetitive tasks, and empower team members to optimize their performance. Co-founded by Sebastian Thrun, a pioneer from the Stanford AI lab and key figure behind Google X and Waymo, Cresta is led by a team of experts including CEO Ping Wu, co-founder of Google’s Contact Center AI, and Tim Shi, an early member of OpenAI. With a stellar team of AI and ML specialists, visionary leaders, and esteemed investors such as Andreessen Horowitz and Sequoia, we are proud to serve renowned brands like Intuit and Hilton. Forbes and Bain Consulting have recognized us as one of the leading private AI companies globally. We invite you to join us on this exciting journey to revolutionize the workforce through AI. The future of work is here, and it’s at Cresta.Cresta is thrilled to expand our operations in Romania and establish a tech hub in the region. As an early member of our engineering team, you will have a significant impact on shaping our future in Romania. We embrace a remote-first culture, providing you with the chance to collaborate with a global team across Europe, the US, and Canada. Over time, we plan to create a co-working space in Romania, transitioning towards a hybrid model that combines remote work with in-office collaboration.

Cresta is dedicated to transforming customer interactions into a strategic advantage by harnessing the full capabilities of contact centers. Our innovative platform leverages a blend of artificial intelligence and human expertise to provide contact centers with valuable insights into customer behavior, streamline conversations, and optimize inefficient processes. Founded by the visionary Sebastian Thrun, who has been instrumental in groundbreaking projects like Google X and Waymo, Cresta's leadership team also features CEO Ping Wu, a pioneer in Google Contact Center AI, and co-founder Tim Shi, a former member of OpenAI. As we embark on an exciting journey to establish our tech hub in Romania, we invite you to join our team. Early contributors will play a pivotal role in building our engineering team and shaping the future of our operations in the region. We embrace a remote-first culture, allowing you to collaborate with a diverse team across Europe, the US, and Canada. In the long run, we plan to create a co-working space in Romania, enhancing our collaborative efforts.Join us as we revolutionize the workforce with artificial intelligence. The future of work awaits at Cresta.

Cresta is revolutionizing the contact center industry by transforming every customer interaction into a strategic advantage. Our cutting-edge platform harnesses the power of AI alongside human intellect to deliver unparalleled customer insights, streamline communication processes, and empower teams to enhance their productivity. Founded by the visionary Sebastian Thrun, known for his groundbreaking work with Google X and Waymo, our team includes pioneering leaders in AI and machine learning, such as CEO Ping Wu, co-creator of Google Contact Center AI.Backed by prominent investors including Andreessen Horowitz and Greylock Partners, we proudly serve leading brands like Intuit and Hilton, earning recognition from industry giants like Forbes and Bain Consulting as a top-tier AI firm.Join us on this exhilarating journey to redefine the future of work in contact centers with AI at the forefront!

Jobgether is looking for a Backend Engineer based in Romania. This position centers on building and maintaining server-side applications that support the company's products. The main goal is to deliver reliable performance and quick responses to front-end requests. Role overview The Backend Engineer will work closely with colleagues from different departments to define, design, and release new features. Day-to-day work includes troubleshooting and debugging to keep applications running smoothly and efficiently. What you will do Develop and maintain server-side software Collaborate with cross-functional teams to shape and deliver new product features Troubleshoot and debug backend applications Optimize performance to ensure fast, reliable responses to front-end requests

Join our innovative team at Airalo as a Backend/PHP Engineer, where you will play a crucial role in developing robust backend systems that support our global telecommunications services. In this role, you will collaborate with cross-functional teams to design, implement, and maintain scalable solutions, ensuring a seamless experience for our users worldwide.

About the Role Garmin’s Outdoor segment in Cluj-Napoca is hiring a Senior .NET Software Engineer with a backend focus. This team builds and maintains the inReach messaging platform, a system that connects outdoor adventurers to the Iridium satellite network and supports critical SOS functionality. The work directly impacts user safety in remote environments. This position is based on-site in Cluj-Napoca, Cluj County, Romania, with a requirement to work in the office five days per week. What You Will Do Design, improve, and build software solutions for web applications and backend services supporting the inReach ecosystem. Work as a backend developer throughout the software development lifecycle: technical design, implementation, documentation, testing, deployment, and support. Collaborate with teams across Garmin to gather requirements, define new features, and design technical solutions. Develop with a technology stack that includes .NET, .NET Core, SQL databases, and cloud services in Azure and AWS. Apply best practices for code quality, testing, and deployment, using Team City and Octopus for CI/CD pipelines. Ensure the systems you build are secure, reliable, scalable, and deliver strong performance. Keep current with new technologies and industry trends to continually improve development practices. Be part of a collaborative team dedicated to delivering high-quality solutions for outdoor users. Collaboration and Teamwork Garmin values open communication and teamwork. The team believes that sharing ideas leads to better solutions and encourages input from every member.

As a BackEnd Engineer on our Compliance Team, you will be responsible for designing and developing robust services that prioritize maintainability, performance, and security. If you thrive in environments with high availability demands, scalability challenges, and enjoy working with automated workflows, infrastructure orchestration, and queuing systems, we would love to hear from you.Your role will involve:Creating an intuitive and powerful payment platform that stands out globally.Implementing new features and enhancements to elevate our platform.Collaborating with Frontend and Mobile Engineering teams for seamless UI integration.Working alongside product managers, designers, and engineers throughout the software development lifecycle, from planning to deployment.Staying current with the evolving tech stack ecosystem.Writing high-quality, performant code that scales effectively.

Join our dynamic team at metromakro as a Java Backend Engineer specializing in M.Fulfill Pick&Pack. In this role, you will be integral to developing and maintaining scalable backend solutions that enhance our fulfillment processes. You will work closely with cross-functional teams to ensure robust system performance and user satisfaction.

About Point Wild Point Wild helps people monitor, manage, and protect their identities and personal information from digital threats. Backed by WndrCo, Warburg Pincus, and General Catalyst, the team builds cybersecurity tools for a wide range of individual needs. Role Overview The Backend Engineer will join a technical, collaborative group focused on a new security initiative. The work centers on secure system design, with emphasis on cryptography, automation, and AI-powered analysis. This is a hands-on engineering role with regular opportunities to learn and work alongside senior engineers. The team partners closely with product and design to deliver features that matter. What You Will Do Design, develop, and ship features across the product suite Write clean, maintainable backend code for systems running on AWS or GCP Work with AI and cryptography specialists to strengthen security Collaborate with the product manager to clarify requirements and help plan architecture, data flows, API specs, and testing strategies Follow established engineering practices and contribute ideas for process and quality improvements Participate in customer-focused development, iterating based on user feedback Develop automated tests for load, performance, and error handling Location This is a remote role based in Romania.

Role overview Jobgether seeks a Senior Backend Developer with strong Node.js skills. This role is open to candidates based in Romania and supports remote work. The backend team develops and maintains systems that support digital financial products used by a global audience. What you will do Design, build, and maintain backend services with Node.js, focusing on security and scalability Improve platform architecture to ensure high availability and resilience Optimize API performance for real-time, demanding applications Develop and support microservices and distributed systems Shape new product features and contribute backend innovations Collaborate with engineers in multiple regions through remote teamwork Take responsibility for your work and help guide technical decisions What we offer Remote work flexibility within Romania Autonomy and a sense of ownership in your projects Work alongside engineers from varied backgrounds Opportunities to tackle large-scale technical challenges

About MasabiAt Masabi, we are at the forefront of transforming fare payment systems, enabling millions of travelers around the globe to enjoy seamless transport experiences. Our innovative fare collection platforms allow riders to effortlessly purchase and present tickets from their mobile devices, ticket machines, or directly via bank card taps.Our flagship Justride platform operates in over 250 locations worldwide, including major cities. By utilizing our pioneering mobile ticketing SDK, we have formed strategic partnerships with notable companies in the transport sector, such as Uber, Moovit, and Transit.Joining Masabi means becoming part of a diverse and passionate community of innovators. We are committed to supporting your career development, whether you choose a traditional path or wish to explore new opportunities.The RoleWe are seeking a talented Backend Developer to contribute to the evolution of our core systems, focusing on payment processing and transaction management.Your responsibilities will include developing services that manage high transaction volumes, implementing complex fare logic, and integrating with various payment providers. Working within a cross-functional team, you will collaborate with engineers, testers, and product partners to create reliable, scalable solutions that enhance the rider experience globally.

Join our dynamic esports team at Ubisoft Entertainment as a Backend Developer. We are seeking an innovative and skilled individual who is passionate about gaming and technology. In this role, you will work closely with cross-functional teams to design and implement robust backend systems that enhance player experiences in our leading esports titles.

Location: Remote - +/- 3 hours from CET (EST / Europe preferred)Employment Type: Full-timeCompensation: $90,000 - $150,000We are excited to announce a unique opportunity for a Senior Backend Engineer to join our client, a leader in the rapidly evolving Web3 and DeFi landscape. As part of the core Platform team, you will contribute to the development and enhancement of distributed backend systems that drive innovative products and customer solutions.The ideal candidate is a passionate engineer with a strong sense of ownership and a commitment to high-quality code. You will design and manage complex systems, oversee Web3 infrastructure, and work in tandem with product and platform engineers to create reliable and scalable solutions. Our client encourages a culture of building robust systems and progressing swiftly without sacrificing quality, utilizing cutting-edge tools—including AI—to enhance productivity.Key Responsibilities:System Architecture: Design, construct, and sustain scalable distributed backend systems that underpin core platform and product functionalities.End-to-End Ownership: Oversee backend services from inception through implementation, monitoring, and long-term sustainability.Product Collaboration: Collaborate with product and engineering teams to influence product direction and strategy beyond mere technical execution.Web3 Integration: Develop and refine platform backend components, including protocol integrations, support for emerging blockchain networks, and dependable interactions with smart contracts.Engineering Standards: Uphold high standards of code quality, performance, security, and observability across all services.Operational Excellence: Thrive in a dynamic startup environment, balancing development speed with technical integrity.Innovation: Utilize AI-powered tools to enhance development efficiency and personal productivity while engaging in technical discussions, reviews, and mentorship.

Jobgether is hiring a Senior Backend Engineer to help advance its B2B contract platform. This contract position is based in Romania and focuses on building and refining backend systems that serve business clients. Key responsibilities Design backend architectures tailored for B2B contract solutions Improve existing backend systems to enhance performance and reliability Collaborate with product, frontend, and other teams to deliver integrated features Requirements Significant experience developing and maintaining backend systems Demonstrated problem-solving abilities and a history of delivering dependable solutions Strong collaboration skills with cross-functional teams This is a senior-level contract role focused on B2B solutions and is located in Romania.

DevHub is growing its team in Cluj-Napoca and looking for a Senior Backend Engineer (Node.js) to help build and support the backbone of our platform. Our Platform Squad manages essential backend services and internal tools that keep the company running. This role offers the chance to work alongside skilled engineers in a collaborative setting where ideas and expertise are valued. Role Overview The Senior Backend Engineer will design, develop, and maintain high-performance backend services and APIs using Node.js. Work includes building scalable solutions, ensuring code quality, and supporting production systems. Collaboration with cross-functional teams is a key part of the job, as is upholding security and reliability standards. Main Responsibilities Design, develop, and maintain efficient, reusable, and reliable Node.js backend applications and APIs. Optimize applications for speed, scalability, and overall performance. Break down complex or ambiguous tasks into clear deliverables, identifying risks and assumptions early. Write and maintain unit and integration tests as part of the development process. Help shape testing strategies and maintain quality standards across the codebase. Review pull requests thoughtfully, offering and accepting constructive feedback. Take full ownership of services: add logging and metrics, support them in production, and participate in the on-call rotation. Apply security best practices and meet compliance requirements to protect application integrity. Implement and maintain database schemas, write queries, and handle performance tuning. Work with CI/CD pipelines to streamline deployment and improve development workflows. Work Culture DevHub values the perspectives and talents of every team member. The company fosters an inclusive workplace where creativity and collaboration are encouraged. Employees are supported in their growth and are part of a community shaping the future of technology.