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…

Life at UiPathAt UiPath, we are driven by the transformative potential of automation, reshaping how the world operates. Our mission is to develop industry-leading enterprise software that harnesses this power.To achieve this vision, we seek individuals who are inquisitive, self-motivated, collaborative, and authentic. We thrive on having team members who enjoy being part of a dynamic and rapidly evolving growth company. A core value at UiPath is caring—about one another, our organization, and our broader mission.Could you be the one to join us?Your missionIn the role of Forward Deployed Engineer II, you will take charge of delivering tailored customer implementations and transforming real-world business challenges into production-ready agentic automation solutions. You will closely collaborate with customer stakeholders and internal teams to design, develop, integrate, and refine AI-driven workflows, ensuring a balance between speed, reliability, and maintainability. Your practical insights from the field will help inform the organization, enhancing solution patterns, reusable assets, and implementation playbooks.Unlike traditional software engineers who create a one-size-fits-all product, FDEs deliver customized solutions directly within customer environments, making the UiPath platform relevant to specific business processes and systems. You will work with increasing autonomy, execute well-defined workstreams, and collaborate with senior FDEs and product teams to align with broader technical strategies.What you'll do at UiPathLeverage UiPath's automation and orchestration components, such as Maestro, Agent Builder, IXP, Studio, Orchestrator, and Integration Service to independently deliver impactful customer solutions.Design and develop AI-driven workflows, agents, and automations in accordance with UiPath's architectural and platform standards, requiring minimal oversight.Utilize practical prompt engineering techniques to effectively guide agent behavior and understand model trade-offs (capability, latency, cost) when selecting LLM providers for various customer use cases.Enhance platform capabilities using APIs, SDKs, and connectors to meet unique customer needs.Troubleshoot across systems, including AI inference, data pipelines, orchestration layers, and integration points, resolving most issues independently.

Join AECOM as a Senior Electrical Engineer and contribute to transformative infrastructure projects in Bucharest. We are looking for a dynamic and experienced professional to lead innovative electrical engineering designs and solutions. You will collaborate with multidisciplinary teams to deliver high-quality projects that enhance community resilience and sustainability.

QIMA seeks a Senior Manager of Data and Web Engineering based in Bucharest. This position leads efforts to enhance both data solutions and web applications, with responsibility for setting direction and ensuring strong execution across teams. Key responsibilities Oversee and support a team working on data engineering and web technologies Lead projects aimed at improving QIMA’s data infrastructure and web platforms Uphold and encourage high standards in engineering practices throughout the group Role focus This leadership role combines technical guidance with people management. The Senior Manager shapes strategy, mentors team members, and drives initiatives that strengthen QIMA’s technology foundation.

Join Segula Technologies as a Rail Test & Validation Engineer for an exciting metro project in Bucharest. In this vital role, you will be responsible for ensuring the safety, reliability, and performance of rail systems through rigorous testing and validation processes. You will work collaboratively with a skilled team of engineers, contributing your expertise to deliver high-quality rail solutions.

Key Responsibilities:Lead and inspire project teams of structural engineers and draftsmen, driving project success.Engage in collaborative efforts with colleagues, external partners (architects and other design professionals), and clients to deliver exceptional results.Embrace an international perspective, collaborating with offices worldwide on specialized engineering tasks while maintaining top-notch project quality.Be proactive in addressing client inquiries and needs.Create innovative, sustainable engineering solutions that enhance project efficiency.Ensure that engineering work aligns with budgetary constraints, timelines, and quality standards, adhering to the company's quality management system.Provide weekly updates on project progress to stakeholders.Facilitate an integrated design process by recognizing the interplay between various disciplines involved in the project.Stay informed about current standards, guidelines, and advancements in the field, sharing valuable insights with your team and colleagues.

Join AECOM as a Senior Mechanical Engineer in Bucharest!In this pivotal role, you will:Lead the design, specification, and integration of rotating equipment including pumps, blowers, compressors, mixers, and aeration systems.Prepare and review datasheets, calculations, specifications, and technical reports, focusing on rotating machinery.Provide technical insights on piping systems and water/wastewater treatment equipment, such as screens, grit chambers, sludge handling, chemical dosing, and disinfection units.Contribute to the review and coordination of static equipment like tanks, vessels, filters, and heat exchangers as necessary.Ensure adherence to project requirements, industry standards (ASME, API, AWWA, ISO), and client expectations.Coordinate mechanical interfaces with process, structural, electrical, and Instrumentation & Control disciplines.Review vendor documentation to ensure compliance with project specifications and engage in design reviews.Develop mechanical layouts, general arrangement drawings, and piping designs in both 2D and 3D formats.Assist in the preparation of material requisitions, Bills of Quantities (BOQs), and project documentation.Mentor junior engineers and provide technical guidance to the design team.Collaborate effectively with other AECOM offices and international project teams.

Welcome to SienaAt Siena, we are pioneering the first intelligence layer for customer experience. Our vision is to create a sophisticated operating system of AI agents that learn, remember, and act across every customer interaction—from support dialogues to shopping experiences, and even voice and social media communications.Siena goes beyond mere automation of support; it empowers shopping agents, cultivates a lasting memory of customers, derives actionable insights for businesses, and nurtures empathetic interactions that resonate with a human touch.We are on a mission to revolutionize how businesses perceive and engage with their customers, transforming every encounter into a learning opportunity that enhances the next interaction.Join Our TeamWe are a small yet powerful, distributed team making significant strides in the industry. Each member of our team has the ability to make a substantial impact due to the leverage we have integrated into our workflows. This approach not only accelerates our progress but also makes collaborating enjoyable.If you are passionate about creating groundbreaking solutions that have yet to exist, we invite you to continue reading. We are developing agents that do more than just respond to customers; they remember past interactions, learn continuously, and weave together experiences across various channels.Your RoleAs a Senior Full Stack Engineer at Siena, you will lead projects from conception to completion, enhancing and optimizing features within our AI-driven customer support automation platform. You will collaborate closely with product and engineering teams to influence our roadmap while developing reliable, high-performance systems. This position is ideal for engineers who relish solving real-world challenges, excel in dynamic environments, and take pride in delivering exceptional products.Key ResponsibilitiesDesign, develop, and maintain scalable features across the full stack (frontend, backend, and infrastructure).Work collaboratively with the Product team to decompose project scope and deliver iterative, high-impact releases.Contribute to an AI-first product by integrating advanced LLM capabilities into enterprise customer support workflows.Tackle complex engineering challenges, optimizing API performance and refining microservices architectures.Manage and enhance our cloud infrastructure (AWS) with a DevOps mindset.Share knowledge and mentor fellow engineers, fostering a robust engineering culture.About You5+ years of software engineering experience with a strong proficiency in Node.js, React, TypeScript, and Express.Proven expertise in developing scalable applications and systems.Adept at collaborating with cross-functional teams to achieve project goals.Strong problem-solving skills and a passion for innovative technology.

Join Endava as a Senior Data Engineer, where you will leverage your expertise in Python and Databricks to drive innovative data solutions. In this role, you will collaborate with cross-functional teams to design, implement, and optimize data pipelines that support our clients' needs. Your technical skills will be vital in ensuring data integrity and performance, ultimately enhancing the decision-making process for our clients.

Join our dynamic Geo Navigation team as a Senior Android Engineer and play a pivotal role in revolutionizing the mapping and navigation experience for drivers and couriers. You'll tackle exciting challenges like developing seamless turn-by-turn navigation systems, collaborating with product design and backend teams, and facilitating the transition of rider and eater maps to our internal solutions. This position offers you the chance to innovate backend-driven UI and redefine how millions engage with our navigation services.

About BrillioFounded in 2014, Brillio is at the forefront of digital transformation, harnessing the power of technologies such as Cloud, AI, Mobile, and IoT. We partner with leading companies globally to help them maximize their potential with cutting-edge digital solutions. With a robust workforce of over 6000 professionals across 15 locations in 6 countries, including the USA, Canada, Mexico, the UK, Romania, and India, we are proud to be consistently recognized as a Great Place To Work® in various regions.Brillio RomaniaAs a rapidly expanding company, Brillio Romania boasts a team of over 250 talented individuals across our offices in Cluj, Oradea, and Bucharest. Our commitment to client satisfaction and innovation drives our success. We prioritize creating a positive workplace culture that allows our colleagues to thrive and build rewarding careers, enhancing both their professional journey and the value we provide to our clients.Accelerate YOUR career with Brillio!Role SummaryThe Senior Lead Data Engineer will play a crucial role in designing, developing, and managing cloud-native data platforms on Microsoft Azure. This position emphasizes support for analytics, AI, and image-driven applications, providing essential technical leadership in data ingestion, transformation, and serving layers.

Join Endava as a Solution Architect and leverage your expertise to design and implement innovative solutions that meet our clients' needs. In this role, you will collaborate closely with clients to understand their objectives and translate them into actionable technical specifications. Your ability to lead projects and mentor team members will be key to delivering high-quality results.

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.

As a Senior Performance Tester at Endava, you will play a pivotal role in ensuring the efficiency and reliability of our software solutions. Your primary responsibilities will include:Developing and maintaining performance test scripts.Executing performance tests, analyzing outcomes, and compiling detailed reports that outline findings and recommendations.Diagnosing performance challenges and identifying their underlying causes.Collaborating closely with developers, architects, and technical support teams to gain an in-depth understanding of applications and find optimization opportunities.Regularly communicating performance test status to project managers, product owners, and business analysts.Engaging with business stakeholders to help define non-functional requirements and provide necessary guidance.Estimating the effort required for performance testing and planning the testing schedule.Reviewing current performance testing processes and working with team members to implement enhancements.Seeking opportunities to incorporate performance testing earlier in the software development lifecycle across Agile and waterfall methodologies.Mentoring junior performance testers within the team.

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.

About Printec RomaniaAs a key player in the Printec Group, which operates across 16 European nations, Printec Romania brings over 30 years of expertise in pioneering electronic financial services. We excel in crafting innovative payment solutions, seamlessly integrating our proprietary technologies with those of global leaders like NCR Corp., Verifone, Castles Tech, Thales E-Security, and FICO.Our vibrant team is dedicated to excellence, innovation, and collaboration, delivering top-tier solutions to leading banks and financial institutions. If you are energized by a dynamic, high-tech, and regulated environment, we invite you to join us!Your RoleAs a Senior Back-End Software Engineer, you will become an integral member of our Vending Product Development Team within the Professional Services department. Your responsibilities will include designing, developing, and optimizing cutting-edge React-based web applications that enhance our advanced vending machine ecosystem. You will collaborate closely with the Vending Product Team Lead to define comprehensive product solution concepts, assess technologies, estimate efforts, and establish prerequisites for successful implementation.Your key responsibilities will encompass:Designing, implementing, and monitoring a robust code development and QA workflow.Estimating effort for new product feature requests (Epics/Stories/Tasks).Conducting feasibility studies for new functional requests.Collaborating with the Technical Lead to clarify new requirements and prerequisites for software development.Ensuring the design, development, and maintenance of software for Vending platforms.Applying best practices, OOP principles, and SOLID design patterns to deliver robust and scalable solutions.Utilizing .Net and related technologies to produce high-quality software applications for VendiPack.Providing technical guidance and support to team members in overcoming complex challenges.Staying abreast of the latest developments in software technologies and sharing insights with the team.Promoting a culture of code reviews to enhance quality, disseminate knowledge, and reduce bugs.Implementing a comprehensive CI process and automating builds and regression tests as much as possible.Instilling a culture of high-quality deliverables by promoting testing disciplines and automating unit and integration tests.Establishing SW quality metrics and KPIs and monitoring them closely.Addressing identified product bugs with timely fixes and patches.Creating release notes and installation instructions.Collaborating with the Technical Lead in preparing User Guides.Assisting the Technical Lead in technical presales discussions and queries.Developing training materials and programs.Support Project Implementations:Facilitating the handover of product usage and customization features to clients.

About the RoleIn today's digital landscape, critical business applications face unprecedented cybersecurity threats. Onapsis addresses these vulnerabilities by delivering comprehensive cybersecurity solutions tailored for essential applications. Supporting nearly 30% of the Forbes Global 100, we empower organizations to navigate risks associated with their SAP and Oracle systems, whether in the cloud, on-premises, or in hybrid environments.We are on the lookout for a Senior Data Engineer to join our innovative and mission-driven team. This position is perfect for seasoned data engineers who have a solid background in designing scalable data pipelines and utilizing cloud technologies to enhance cybersecurity solutions. You will play a crucial role in developing robust ETL frameworks, optimizing data platforms, and improving our clients' capabilities in threat detection, response, and remediation.Your Responsibilities and Impact:You will collaborate closely with our Principal Engineers to assess, scope, propose, and implement features that meet business requirements aimed at safeguarding our clients. Your contributions will be vital in establishing the technical foundation for new product offerings. Additionally, you will partner with Engineering and DevOps teams to ensure the delivery of high-quality products while adhering to security best practices alongside IT professionals.

We are seeking a highly skilled and experienced Senior Structural Engineer specializing in Power Transmission and Renewable Energy projects. In this role, you will leverage your expertise in Tekla and Advance Steel to design and analyze structural systems that support sustainable energy solutions. Your contributions will directly impact the efficiency and reliability of power transmission infrastructure.

Join Endava as a Salesforce Solution Architect in Bucharest, where you will leverage your expertise to design and implement robust Salesforce solutions that align with our clients' business objectives. Collaborate with cross-functional teams to deliver exceptional client outcomes while driving innovation within the Salesforce ecosystem.

Join AECOM as a Senior Substation Secondary Systems (Protection & Control) Engineer and contribute to the development of innovative electrical solutions in the energy sector. This role offers the flexibility of remote work from anywhere in Romania while collaborating with a talented team of professionals. You will be responsible for designing, specifying, and commissioning secondary systems for substations, ensuring compliance with industry standards and client requirements.