Backend Software Engineer - Join Our Innovative Team in Bucharest

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 impressive, and your expertise will play a pivotal role in our success.

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.

Our MissionAt Alchemy, we strive to empower developers to bring web3 to life for a billion users, providing them with the essential tools to craft outstanding on-chain products. As the premier developer platform, we deliver robust APIs, SDKs, and tools that enable the creation and scaling of exceptional on-chain applications and rollups.Our infrastructure fuels 70% of the leading web3 teams, over 90% of web2 companies venturing into web3, and serves more than 100 million end users. Notable clients include top web3 brands like Polymarket, OpenSea, Circle, WorldCoin, as well as global giants like Shopify and Adobe.The Alchemy team is composed of experts with decades of experience in scalable infrastructure, AI, and blockchain technology, hailing from prestigious organizations and universities such as Google, Microsoft, Facebook, Stanford, and MIT.We are proudly backed by some of the world's foremost venture capital firms and institutions, including Lightspeed, Silver Lake, a16z, Coatue, Pantera, Addition, Stanford University, Coinbase, and Charles Schwab, among others.The RoleAs a Principal Software Engineer specializing in backend systems at Alchemy, you will collaborate on one of the most advanced and high-throughput distributed systems within the blockchain landscape. Your role will involve architecting and developing new systems, as well as enhancing existing ones, for a platform that supports millions of users worldwide.What You’ll Do:Establish the vision for the backend infrastructure that underpins our developer platform and APIs, leading the team in the successful execution of that vision.Design, develop, and maintain highly scalable and reliable infrastructure, APIs, and services.Lead system design discussions, facilitate stand-up meetings, and conduct code reviews.Develop and implement best practices for backend infrastructure focusing on high throughput, reliability, and low latency.Troubleshoot production issues across various services and levels of the stack.Work collaboratively with fellow engineers, technical leads, product managers, and designers.What We’re Looking For:10+ years of relevant industry experience.Bachelor’s degree in Computer Science or a related field.Proven experience in designing, building, scaling, and maintaining core backend software components (experience with API platforms is a plus).Strong problem-solving skills for complex design, scaling, latency, and performance challenges in high-throughput, low-latency production systems.

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.

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.

About the RoleAt Onapsis, we recognize the paramount importance of securing business-critical applications, which have often been overlooked. Our mission is to provide comprehensive cybersecurity solutions that safeguard these applications whether they are deployed on-premises, in the cloud, or in hybrid environments. Serving approximately 30% of the Forbes Global 100, we empower organizations to understand and mitigate threats within their SAP and Oracle landscapes.Your Responsibilities:As a Senior Software Engineer, you will collaborate closely with leadership, product management, and our dedicated research team. Your role will involve assessing, designing, proposing, and implementing features that address business needs, thereby enhancing our customers' security posture. You will work alongside a talented team of cybersecurity researchers and engineers to refine product definitions and drive realization. Additionally, you will partner with the Architecture team to elevate our platform's maturity in technology and architectural design, while advancing our quality engineering processes to ensure the delivery of high-quality products and services. You will also liaise closely with security and IT professionals to uphold secure systems architectures.

About Speechify Speechify changes how people access information. The platform turns online articles, cloud documents, and books into audio, letting users listen wherever and whenever they prefer. Tools within Speechify help listeners learn efficiently and at their own speed. As the top service in its field, Speechify continues to grow quickly. Role Overview The Senior Software Engineer, Core Experiences, joins a team responsible for the core services and SDKs that power Speechify across multiple platforms. This role sits at the crossroads of product development and infrastructure, focusing on building reliable APIs and systems that improve the user experience. The position is based in Bucharest, Romania. What You Will Do Work closely with Speechify’s Product Teams to define project scopes, improve workflows for faster feedback, and manage integration and UX trade-offs across teams. Deliver new features and solutions through the cross-platform SDK. Improve current features for better performance, including faster load times and smarter content parsing, by refining abstractions and algorithms. Deploy cloud functions, lightweight backend services, and tasks using Kotlin. Who We’re Looking For Thinks in systems and values simplicity and end-to-end design. Quick to generate ideas and options, with good judgment on when to move fast and when to take more time. Stays focused and effective in a high-growth startup and remote team setting, balancing collaboration with deep work. Works well with others and communicates clearly with designers, marketers, and product managers.

Join the UiPath TeamAt UiPath, we harness the power of automation to revolutionize the way the world operates. Our dedication to developing top-tier enterprise software empowers businesses to harness this transformative potential.We are on the lookout for individuals who embody curiosity, drive, generosity, and authenticity. If you thrive in a dynamic, fast-paced environment and are passionate about making a difference—both for your colleagues and the broader mission of UiPath—then we want to hear from you!Your RoleAs a vital member of our Kubefabric team, you will contribute to the development and maintenance of our Kubernetes-based infrastructure, facilitating large-scale service deployments.Key ResponsibilitiesCraft, develop, and uphold high-quality, reusable, and efficient code.Optimize application performance, ensuring quality and responsiveness.Diagnose performance issues and bugs, implementing effective solutions.Collaborate with cross-functional teams to design and enhance our product offerings.Promote and establish agile engineering methodologies.Maintain a high standard of code quality, organization, and automation.Your Qualifications4+ years of experience in software engineering, proficient in languages such as C# or Java.Strong expertise in at least one programming language and its ecosystem.Experience with Cloud Systems (preferably Azure, also AWS or GCP).Solid understanding of object-oriented programming and architectural design principles.Proficient in multithreading, synchronization, TPL, and asynchronous programming.In-depth knowledge of data structures and algorithms, alongside their time/memory complexities.Comprehension of the alignment between engineering practices and broader business objectives.Experience with global teams in feature development, systems design, and engineering roadmaps.

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.

Cresta is on a transformative journey to redefine customer engagement by harnessing the power of AI and human expertise. Our innovative platform empowers contact centers to extract insights from customer interactions, streamline processes, and boost efficiency. With roots in the renowned Stanford AI lab, Cresta was co-founded by Sebastian Thrun, a visionary behind Google X and Waymo. Our leadership team also includes Ping Wu, co-founder of Google Contact Center AI, and Tim Shi, an early member of OpenAI. We have built a world-class team of AI and machine learning professionals, alongside industry leaders and significant investors such as Andreessen Horowitz and Sequoia. Our esteemed clients include major brands like Intuit and Hilton, and we are consistently recognized by prestigious outlets like Forbes as a leading AI company. As we expand into Romania, we are looking for talented engineers to join our new tech hub. This is a unique opportunity to shape the future of our engineering team within a remote-first environment, collaborating with colleagues across Europe, the US, and Canada.

Dev.Pro is hiring a Senior Software Engineer with expertise in Angular and Node.js. This remote role is based in Bucharest, Romania. The team develops Point of Sale (POS) systems and in-store solutions used in real-world retail and payment environments. Role Overview This position combines hands-on coding with leadership. The engineer will work closely with other engineers, QA, and product teams to deliver features focused on payments, loyalty, and hardware integrations. The work supports a major POS provider expanding into new business areas. What You Will Do Design, build, and maintain Angular-based features for POS and in-store applications Develop and enhance payment processing, loyalty programs, and related transaction workflows Implement and support integrations with payment systems, card readers, and other in-store hardware Collaborate with backend, QA, business analysis, and product teams to deliver cross-system features Lead technical discussions and help guide team decisions What We Offer Work on a strategic project for a leading POS company entering new markets Take ownership of high-impact features in payment, loyalty, and transaction workflows Grow leadership skills by mentoring engineers and streamlining technical delivery Requirements 5+ years as a Full-Stack Software Engineer Advanced skills in Angular and TypeScript for frontend development Strong experience with Node.js for backend work Understanding of payment systems and payment processing workflows Background in integrating with hardware devices or working in hardware-related environments Solid grasp of frontend-backend integrations Experience with relational databases such as SQLite or similar Ability to write unit tests and follow code quality best practices Strong problem-solving and communication abilities Upper-intermediate English proficiency Preferred Qualifications Experience leading engineering teams and participating in technical discussions Familiarity with POS or similar in-store systems

Join our dynamic team at SoftwareMind as a Senior Software Engineer specializing in Typescript and Javascript. In this role, you will be pivotal in designing, developing, and maintaining high-quality software solutions. You will collaborate with cross-functional teams to define, design, and ship new features, while also enhancing existing functionalities.Your expertise will help us build scalable and robust applications that meet the needs of our clients. If you are passionate about technology and eager to work in a fast-paced environment, we would love to hear from you!

About PrintecPrintec Romania is a proud member of the multinational Printec Group, which operates in 16 European countries and boasts over 30 years of expertise in providing state-of-the-art electronic financial services. Our focus lies in creating innovative payment solutions that seamlessly integrate our proprietary offerings with world-class technologies from renowned vendors such as NCR Corp., Verifone, Castles Tech, Thales E-Security, and FICO.We are a team committed to excellence, driven by innovation and collaboration, delivering high-quality solutions for major banks and financial institutions. If you thrive in a dynamic, high-tech, and regulated environment, then you’ll find your home here!Your RoleAs a Senior Front-End Software Engineer, you will join our Vending Product Development Team within the Professional Services department. Your responsibilities will include designing, developing, and optimizing React-based web applications that support our advanced vending machine ecosystem, which encompasses:React-based web applications for operations management, analytics, and real-time monitoring.NET Core APIs for backend functionalityLocal Telemetry Agents (EFT-POS or Telemetry-Box terminals)Vending machines with integrated software solutionsWhat You’ll DoLead Frontend Development – Assume full ownership of developing, optimizing, and maintaining our React-based web application.UI/UX Enhancement – Implement and refine Fluent UI and DevExtreme (DevExpress) components to create a high-performance, responsive user experience.Component Architecture – Design scalable, modular, and reusable components.Performance Optimization – Enhance rendering performance, minimize bundle size, and boost responsiveness.API Integration – Collaborate closely with backend engineers to integrate REST APIs, WebSockets, and real-time data streaming.Code Quality & Standards – Uphold best practices in TypeScript, testing, and state management (Redux or React Context).Collaboration & Mentorship – Mentor junior developers, conduct code reviews, and work alongside product managers, designers, and backend engineers.

Join Algolia, a trailblazer in AI Search technology, empowering over 17,000 businesses to provide lightning-fast, predictive search and browse experiences on a global scale. We handle over 30 billion search requests every week—outperforming Microsoft Bing, Yahoo, Baidu, Yandex, and DuckDuckGo combined.In 2021, we secured $150 million in Series D funding, boosting our valuation to $2.25 billion. This robust backing allows us to continue enhancing our leading platform and catering to remarkable clients like Under Armour, PetSmart, Stripe, Gymshark, and Walgreens.At Algolia, our mission is to help users create a seamless search-as-you-type experience on their websites and mobile applications. Our search API, utilized by thousands of customers across more than 100 countries, answers billions of search queries each month, thanks to the code we deploy daily.As a Senior UI Software Engineer on the Connectors Platform Team, you will be instrumental in developing products that facilitate our customers in ingesting, transforming, and enriching their data with AI, ensuring a smooth integration with Algolia.

Join Logifuture as a Backend QA Tech Lead, where you will spearhead quality assurance initiatives across various business units. Your primary responsibility will be to set the standards and methodologies for automated testing, ensuring their effective implementation through collaboration and mentorship. You will play a crucial role in delivering high-quality software consistently within a web microservices environment, promoting alignment and best practices across the organization. Key ResponsibilitiesDefine and advocate for best practices in the design, implementation, and maintenance of thorough automated tests.Collaborate with teams across different business units to streamline testing processes and methodologies, enhancing the quality of software products.Lead the development of automated testing frameworks to cover functional, regression, performance, and load testing, ensuring their widespread adoption for a stable and scalable application ecosystem.Oversee the testing infrastructure to facilitate automated testing, ensuring visibility, quick feedback, and the use of industry-standard tools and frameworks through cross-unit teamwork.Engage with development teams and stakeholders to grasp product requirements, design holistic test strategies, and provide expert advice on quality standards and best practices.Coordinate the deployment of test strategies across business units, including creating test plans, leading exploratory testing, and establishing standardized metrics for effective evaluation.Compile and analyze test results from various sources into detailed reports and dashboards, communicating insights to development teams and stakeholders to support informed decision-making.Monitor and evaluate aggregated test results across business units, identify improvement opportunities, and collaborate with relevant teams to resolve issues and enhance overall test coverage.Provide mentoring and guidance to team members organization-wide, cultivating a culture of continuous learning, knowledge sharing, and professional growth in automated quality assurance.

Qualysoft has delivered software engineering solutions for over 25 years and has operated in Romania since 2007. The company provides IT consulting, team augmentation, and custom software development, with offices in several European and Asian countries. Its team of more than 500 engineers works with partners such as Microsoft, Tricentis, Creatio, and Doxee, and covers a wide range of technologies including AI, data analytics, cloud, DevOps, IoT, and test automation. Role overview This Senior Machine Learning Engineer role is based in Bucharest. The position joins a team dedicated to building scalable enterprise systems, automation frameworks, and digital transformation platforms. Projects cover a range of industries, including banking, financial services, insurance, telecom, retail, e-commerce, energy, utilities, automotive, manufacturing, logistics, and high tech. What Qualysoft values Expertise in developing enterprise-grade software solutions Experience with intelligent automation and digital transformation Ability to work in a collaborative, international environment Comfort with technologies such as AI, analytics, cloud, and automation Location Bucharest, Romania

Join Our Innovative Team!WA.Technology is a leading B2B provider of comprehensive iGaming solutions, rapidly expanding our reach in emerging markets. Our cutting-edge iGaming platform offers turnkey solutions and standalone products that enable operators to seamlessly penetrate and thrive in growing markets.Our WA Platform is designed for scalability and customization, boasting over 75 game providers, more than 15,000 games, and supporting over 80 payment methods across various currencies. We empower operators to craft their unique Casino, Sportsbook, Lottery, and Fantasy businesses, ensuring they align with their vision. With offices across Europe and Latin America, we deliver localized support and expert insights to our clients.Our Work EnvironmentOur teams are strategically located in Malta, Lisbon, Sofia, London, and Bucharest. We embrace a hybrid work model that fosters in-person collaboration while providing the flexibility to work remotely as needed.Your Key ResponsibilitiesWe are seeking a Mid-Level Backend Developer (Java) to enhance the design, development, and maintenance of integrations connecting our platform with external systems. Your primary focus will be on ensuring all integrations are high-performing, stable, and fully compliant with our internal standards. You will design and implement robust backend components that facilitate seamless data flow, system interoperability, and long-term scalability, playing a crucial role in strengthening our platform's technical foundation.What We Expect From YouCollaborate with product owners, designers, and fellow developers to comprehend project requirements and translate them into technical specifications.Design and develop high-quality, scalable, and maintainable Java applications.Commit to writing clean, efficient, and well-documented code adhering to industry best practices.Conduct unit testing and debugging to ensure software reliability and performance.Continuously identify improvement opportunities and implement solutions to enhance software functionality and performance.Stay informed about the latest trends and technologies in backend development.

Role Overview Brillio is looking for a Senior Software Development Lead in Bucharest, Romania. This position involves leading a team of developers and delivering software solutions that meet client goals. The role focuses on project leadership, technical guidance, and ensuring software quality throughout the development process. What You Will Do Guide and support a team of software developers through all stages of project work Oversee the delivery of software projects, making sure client requirements are met Maintain high standards for software quality and project outcomes Keep development efforts aligned with client objectives

Location: Remote Romania. This position can be executed from anywhere within Romania.About the RoleWe are on the lookout for a seasoned Staff Front-End Software Engineer to join our dynamic website team. Your main responsibility will be to spearhead the development of our cutting-edge customer-facing platform. Initially, your focus will be on enhancing our decoupled front-end architecture by crafting high-performance, scalable, and maintainable web experiences that seamlessly integrate with our eCommerce back-end systems. As you grow into the role, you will also take ownership of full-stack responsibilities across both front-end and back-end technologies. The ideal candidate possesses deep expertise in modern front-end frameworks, particularly with NextJS, along with a robust understanding of back-end principles. You should have the ability to guide architectural decisions and deliver high-quality, user-centric solutions. Key ResponsibilitiesDesign, build, and deploy new features for gopro.com.Address bug fixes, manage technical debt, and handle platform-related tasks.Write comprehensive unit tests to uphold a high standard of code quality and engineering practices.Collaborate closely with internal engineering teams and business stakeholders to refine project scopes and estimates.Lead technical initiatives for gopro.com, coordinating with fellow engineers on various projects.Engage with a larger cross-functional team and liaise with other departments such as Merchandising, Subscriptions, Cloud Engineering, and IT based both in Bucharest and the US. Desired Skills and QualificationsBachelor's degree in Computer Science, Engineering, or a related field.A minimum of 5 years of experience in Typescript/Javascript development.Proficient in NextJS, Node, GraphQL, and creating websites with a decoupled front-end architecture.Familiar with CI/CD processes, RESTful architecture, unit testing, and conducting code reviews.Experience working in tandem with UX designers and product managers to develop software applications.Strong collaborative skills and initiative in leading technical projects. Bonus SkillsKnowledge of back-end development with SFCC. Why Join Us?Shape your future. At GoPro, we empower you to take charge of your responsibilities, as we believe that autonomy fosters excellence in our team members.Live your best life. We offer an environment that supports both personal and professional growth.