jobgether is looking for a Backend Developer to support its research group through a B2B contract. The team works on projects with an emphasis on innovation and practical outcomes. Role overview This position centers on backend development for research-focused initiatives. The work involves addressing technical challenges and contributing to solutions that help advance the group’s research objectives. What you will do Develop and maintain backend components for ongoing research projects Collaborate with team members to address technical problems Contribute ideas and solutions that align with research goals Location The role is based in Romania.

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.

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

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.

About UsSophos is a world-renowned leader in the cybersecurity industry, dedicated to providing innovative and advanced security solutions that effectively combat cyber threats. Following our acquisition of Secureworks in February 2025, we have united two frontrunners in the field, enhancing our position as the largest pure-play Managed Detection and Response (MDR) provider globally, serving over 28,000 organizations. Our comprehensive suite of services includes state-of-the-art endpoint, network, email, and cloud security, all integrated through our Sophos Central platform. With the addition of Secureworks' cutting-edge Taegis XDR/MDR and identity threat detection capabilities, our offerings are unparalleled. Our mission is to protect more than 600,000 organizations worldwide from various cyber threats, including phishing, ransomware, and state-sponsored attacks, powered by real-time threat intelligence from Sophos X-Ops and the recently integrated Counter Threat Unit (CTU). Headquartered in Oxford, U.K., we invite you to learn more at www.sophos.com.Role OverviewWe are on the lookout for a meticulous and technically proficient Detection Engineer to enhance our X-OPS team. In this pivotal role, you will be tasked with analyzing sophisticated security threats, from malware to intricate web-based attacks, and converting threat intelligence into precise, high-fidelity detections across our security platform. Your contributions will ensure our analysts and clients receive timely, actionable alerts with minimal unnecessary noise.You will harness data from over 40 internal and external sources, collaborate closely with our CTU Threat Intelligence team, and utilize various scripting and automation tools to bolster our detection capabilities. The ideal candidate is a proactive security practitioner with a profound understanding of endpoint behavior, malware analysis, and detection development, thriving in dynamic, technical environments.

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 UsFlosum is a self-sustaining, profitable B2B SaaS company that is pioneering the top Salesforce-native DevSecOps, Data Protection, and Security platform. Our services are utilized by Fortune 500 companies across highly regulated sectors including financial services, healthcare, government, and insurance.We pride ourselves on being a stable, scaling enterprise that has achieved profitability through strategic growth rather than excessive spending on fleeting metrics. As a Salesforce Summit Partner and recipient of the Innovation Award, we have established ourselves among the most prominent players in the enterprise software industry.Our solutions are built entirely on the Salesforce platform, catering to businesses that prioritize uncompromising security, compliance, and reliability.Role OverviewIn light of our ambitious growth trajectory, we are expanding our product offerings, enhancing our platform capabilities, and increasing our delivery speed. We seek experienced Node.js developers to take ownership of significant components of our architecture and deliver production code that our enterprise clients rely on every day.This isn’t a position for staff augmentation. You will collaborate closely with engineering leaders, product managers, and the CEO. Your decisions will carry weight, your insights will be valued, and your expertise will be evident to the customers using our platform.Your ContributionsDevelop high-performance backend services and APIs that drive enterprise-grade SaaS applications.Create scalable and secure Node.js microservices and integrations within the Salesforce ecosystem.Design modern front-end experiences using Vue.js and TypeScript for demanding enterprise users.Implement CI/CD pipeline tooling, automation frameworks, and enhance developer productivity infrastructure.Architect real-time data processing and event-driven systems that manage sensitive enterprise data at scale.

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.

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.

Masabi builds fare collection platforms that let millions of riders purchase and use public transport tickets through mobile apps, ticket machines, and contactless cards. The Justride platform is active in over 250 locations worldwide, serving major cities and working alongside partners such as Uber, Moovit, and Transit. The company values a team of innovators from many backgrounds, all working together to improve travel experiences. Masabi supports employees in shaping their careers, whether following a clear path or exploring new directions. Role overview The IT Support Engineer will ensure Masabi’s remote-first team enjoys a secure, reliable, and smooth technology experience. This position focuses on daily IT operations, resolving technical issues, and supporting employees across various locations. What you will do Maintain and support day-to-day IT operations for a distributed workforce Troubleshoot and resolve technical problems for employees Identify recurring issues and propose improvements to IT processes Help shape the future direction of IT support at Masabi What we look for Ability to respond quickly and effectively to IT support requests Focus on continuous improvement and process enhancement Experience supporting a global, remote-first team is a plus This role is based in Romania and supports a distributed, international team.

Role overview As a Senior PHP Developer at jobgether, you will join the Technology & AI Labs team in Romania. The focus is on building and maintaining web applications using PHP and related technologies. Collaboration is a key part of this role, working alongside other specialists to shape and deliver new features that support ongoing projects. What you will do Develop and maintain clean, reliable PHP code for web applications. Collaborate with colleagues from various disciplines to define, design, and launch new features. Identify and fix bottlenecks or bugs within the codebase. Promote code quality, structure, and automation practices within the team. Location This role is based in Romania.

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.

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.

Speechify is seeking a Software Engineer to join the Platform team in Bucharest, Romania. This group develops the technology that underpins accessibility features and enhances user experiences across Speechify’s products. Role overview This position centers on building and maintaining core platform solutions. The work directly supports how users interact with Speechify’s offerings, with a focus on making products more accessible. Who succeeds here Enjoys creating new solutions and tackling technical challenges Brings strong engineering skills to the table Values teamwork and open collaboration Approaches problems with curiosity and a willingness to learn This role offers the chance to work closely with others while shaping the foundation of Speechify’s accessible technology.

OverviewAt Trading 212, we are dedicated to empowering individuals to build their wealth through innovative trading and investment solutions. With exceptional products that resonate with users, we have cultivated a culture of excellence and rapid growth, serving over 5 million clients and managing assets exceeding €30 billion in just a few short years.Your RoleCollaborate with Engineering Leaders to define roles, comprehend team requirements, and devise effective sourcing strategies.Oversee the complete hiring process from outreach to offer acceptance.Take charge of engineering recruitment across various domains, including backend, frontend, DevOps, and data science.Evaluate candidates thoroughly before involving hiring managers, eliminating the need for requirement translations.Develop and execute a systematic, data-driven recruitment process that aligns with role specifications and the company’s long-term vision.Cultivate and maintain a robust network of elite engineering talent to support future hiring endeavors.Enhance our employer brand, positioning Trading 212 as a premier destination for engineering professionals.Guarantee an outstanding candidate experience at every step of the recruitment journey.Utilize your expertise to pinpoint areas for process improvements and implement best practices throughout the hiring lifecycle.

Join our team at Alimentiv as a Senior Clinical Research Associate, where you will play a crucial role in conducting clinical trials and supporting the development of innovative healthcare solutions. This position is ideal for professionals with a solid background in clinical research who are looking to further their careers in a dynamic and supportive environment.

Location: Remote (Romania) Type: Contract / Part-time Weekly hours: 20 to 40 Compensation: Up to 40 USD per hour Project duration: 2 months, with possible extension Start date: Immediate Role Overview anyone-ai produces high-quality STEM training data for advanced AI models. Their datasets support leading AI labs by improving model reasoning in technical subjects. This contract role calls for a Physics specialist to design and solve advanced problems that push the limits of current AI systems. Each problem must have a single, verifiable answer, paired with a thorough, validated solution. What You Will Do Create complex physics problems for AI model training and evaluation. Ensure each problem is deterministic and has only one correct answer. Write complete, checked solutions and explain the reasoning in clear English. Develop assessments that require deep understanding and multi-step analysis, not just recall. Use Python or field-specific tools to build simulations, models, or computational workflows as needed. Maintain technical accuracy, reproducibility, and clarity in all written outputs. Qualifications Bachelor’s, Master’s, or PhD in Physics or a closely related field. Experience in theoretical, experimental, or computational physics (research or industry). Strong Python skills, including familiarity with scientific libraries like numpy or scipy. Knowledge of modeling, simulation, numerical methods, and multi-step problem solving. Ability to design original, challenging problems reflecting real-world physics scenarios. Excellent attention to detail and technical writing skills in English.

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.

Join the Karat Interview Engineer Community! Karat is continuously on the lookout for skilled engineers to become part of our Community. If you're interested in exploring future Interview Engineer roles, we encourage you to submit your application through this posting. This is a contractor/freelancer opportunity, compensated based on the tasks completed. Please note that we are currently only accepting applications from candidates in countries listed on our website, and resumes must be submitted in English. Role of an Interview Engineer: As an Interview Engineer, you will facilitate technical interviews with software developers around the globe. Your role is vital in creating inclusive hiring processes by reducing bias, enhancing hiring signals, and conducting objective evaluations. This expertise is essential for hiring and managing teams in startups as well as large enterprises. As part of the Karat Interview Engineer team, you will: Interview: Conduct interviews through Karat's platform, ensuring a positive candidate experience while assessing their core coding abilities and technical knowledge. Evaluate: Offer insights on the candidate's performance including coding style, communication skills, and problem-solving approach. Partner: Collaborate with Karat to refine content, processes, and products. Your Qualifications: Minimum of 3 years of experience as a Software Developer or Engineer. Strong English communication skills (both written and spoken) with a high level of professionalism and interpersonal abilities. Dependable access to a functional webcam, microphone, and a reliable Internet connection. Experience in conducting technical interviews preferred (e.g., knowledge of data structures and algorithms). While we review your application, feel free to learn more about life as an Interview Engineer by watching this informative video!