Application Engineer

Join the dynamic team at MongoDB as an Application Engineer. In this role, you will work closely with clients to understand their needs and provide tailored solutions, ensuring they maximize the power of our innovative database technology. Your expertise will be essential in guiding customers through the application development lifecycle, troubleshooting issues, and implementing best practices.

Role overview constructorknowledg is looking for an Application Security Engineer to join the team remotely from Sofia, Bulgaria. The role centers on protecting web applications and helping the team build secure software from the ground up. What you will do Test web applications to uncover vulnerabilities and highlight security risks. Oversee the Software Bill of Materials (SBOM), giving the team better insight and control over software components. Support secure practices throughout the Software Development Life Cycle (SDLC). Work to lower risks within the software supply chain. Location This position is remote, but requires residency in Sofia, Bulgaria.

Join our dynamic Information Security Team at Devexperts as an Application Security Engineer. In this pivotal role, you will collaborate with software development teams, product owners, and other stakeholders to establish, implement, and uphold rigorous security practices throughout the software development lifecycle (SDLC).Your primary responsibilities will include identifying and mitigating security vulnerabilities across applications, systems, and APIs. You will ensure that secure coding practices are followed and assist in maintaining compliance with key security standards such as OWASP Top 10, NIST, and ISO/IEC 27001.This position is critical in enhancing our organization's security posture, advocating for security best practices, and safeguarding the integrity of our software applications.Key Responsibilities:Conduct regular security assessments of applications, including code reviews, static/dynamic analysis, and penetration testing.Collaborate with development teams to design and integrate security controls into the SDLC.Lead efforts to identify and remediate security vulnerabilities in applications, APIs, and third-party services.Provide technical guidance on secure coding practices, threat modeling, and vulnerability management.Enforce security best practices for secure coding, API security, and encryption across application architectures.Stay updated on the latest security threats, vulnerabilities, and trends to proactively mitigate risks.Develop and maintain automated security testing tools and processes for continuous security integration within CI/CD pipelines.Support risk assessments and threat modeling for new and existing applications, prioritizing remediation efforts.Participate in incident response activities related to application security, bringing expertise to investigate and resolve security breaches.Create and deliver security training to developers, fostering a culture of security awareness within teams.Assist in tracking and verifying the resolution of identified vulnerabilities.Ensure compliance with internal security standards and external regulatory requirements (e.g., GDPR, PCI-DSS, HIPAA).Work collaboratively with cross-functional teams, including DevOps and security operations, to ensure a unified approach to application security.

Devexperts is looking for an Application Support Engineer - Level 1 based in Sofia. This entry-level role centers on providing technical support for customers using the company’s applications. Role overview The position involves working directly with clients to resolve issues and answer questions. Timely troubleshooting and clear communication help ensure customers can use Devexperts’ products without interruption. What you will do Respond to customer inquiries about application functionality Troubleshoot technical problems as they arise Assist clients in navigating and using Devexperts’ software Requirements Interest in technical support and problem solving Strong communication skills Ability to work onsite in Sofia

Join Entain as a Senior Application Security Analyst and play a pivotal role in safeguarding our software applications. You will lead the charge in identifying vulnerabilities, developing secure coding practices, and implementing robust security solutions. Collaborate with cross-functional teams to enhance our security posture and ensure compliance with industry standards.

Join Experian as an Application Technology Support Analyst and be a vital part of our dynamic team in Sofia. In this role, you will leverage your technical expertise to provide exceptional support for our applications, ensuring optimal performance and user satisfaction. Collaborate with cross-functional teams to troubleshoot issues, implement solutions, and enhance application functionality.

Yotpo is at the forefront of transforming trust and loyalty in the eCommerce landscape. Our AI-driven Reviews and Loyalty solutions empower brands to convert casual browsers into loyal customers and advocates. With robust integrations across the eCommerce ecosystem and the confidence of over 30,000 global brands, Yotpo provides unparalleled omnichannel experiences that not only enhance conversion rates but also fortify customer relationships, leading to sustainable growth.Job Overview: As a Finance Applications Implementer, you will be instrumental in the deployment, customization, and ongoing maintenance of finance-related software applications. This role demands a unique combination of financial acumen, technical skills, and project management expertise to ensure that our financial systems align with organizational needs and integrate flawlessly with existing workflows.Your primary responsibilities will include understanding planning and forecasting scenarios, simplifying existing models and FP&A data, and implementing processes and client data within our organizational environment.What You’ll Do:Application Deployment and Configuration:Lead the implementation and enhancement of finance applications, ensuring timely and effective deployment.Configure applications to address the unique needs of the organization.Collaborate with stakeholders to gather and analyze requirements.System Integration:Facilitate seamless integration of finance applications with other business systems.Partner with IT and other departments to design and implement integration solutions.Customization and Development:Tailor finance applications to improve functionality and meet business demands.Create custom reports, dashboards, and workflows.Testing and Quality Assurance:Conduct comprehensive testing to ensure applications operate as expected.Identify and resolve any issues or bugs.Validate and maintain data models while enhancing data quality.User Training and Support:Deliver training and support to end-users on finance applications.Develop user guides and training documentation.Project Management:Oversee implementation projects, including planning, execution, and evaluation.

If you're passionate about EKO Bulgaria and eager to join our dynamic team but can't find a position that aligns with your expertise and experience, we encourage you to submit your application. We would love to learn more about you!

Join our dynamic team as a Junior Mobile Application Developer at Accedia! We are on the lookout for a passionate individual who is eager to learn, excels in collaborative settings, and is motivated to grow while sharing knowledge.What to Expect:Engage in a nurturing environment supporting international clients.Diverse projects across various domains and technologies, encompassing the entire software development lifecycle — from developing new features to enhancing existing ones, troubleshooting, participating in testing, and preparing documentation.Collaborate with developers of varying experience levels, analyze technical requirements, propose architectural and design solutions, estimate efforts, and plan tasks effectively.Maintain open communication regarding tasks, requirements, issues, and questions with your team and our clients.Embrace learning opportunities for new technologies through knowledge-sharing initiatives, such as internal training sessions, and aim for professional certifications.

Speechify seeks an iOS Core Product Software Engineer to join the team in Sofia, Bulgaria. This position centers on building and refining iOS app features that help users engage with text in new ways. Collaboration is a key part of the role, with regular work alongside designers, product managers, and fellow engineers to shape and improve the product experience. What you will do Develop and enhance features for Speechify’s core iOS applications Partner with design, product, and engineering teams to deliver polished user experiences Improve app performance and overall usability Requirements Background in iOS mobile development Keen attention to detail Interest in creating technology that changes how people read and interact with text This role is based in Sofia, Bulgaria.

As part of our ongoing expansion, we are eager to enhance our relationships with technology professionals by maintaining an open channel for future opportunities and upcoming projects. This is a talent pool opportunity in Bulgaria, where we are currently welcoming spontaneous applications to establish a robust pipeline of skilled QA Engineers for when relevant positions become available.We continuously seek to engage with talented QA Engineers interested in joining our team for potential future roles.Our QA engineers employ the best QA/QAOps practices. We collaborate within multicultural, distributed teams, working alongside developers, business analysts, and product stakeholders in an agile (Scrum/Kanban) environment.Technologies We Work With:While the specific projects and technology stacks may vary, you could work with a range of technologies:Backend technologies -- C#, Java, and APIsFrontend -- React, Angular, and other frameworksMobile -- web and nativeTypical Responsibilities Include:Designing and implementing a comprehensive test strategy,Developing and maintaining effective testing practices,Sharing and promoting knowledge and best practices across the team.

About Cision Cision supports a culture where every team member’s ideas and perspectives matter. The company values curiosity, collaboration, and innovation, encouraging employees to contribute meaningfully to the brands it serves. As part of a global team, individuals are empowered to grow while helping shape the future of communication and authentic connections. Role Overview: Staff DevOps Engineer Cision is hiring a Staff DevOps Engineer for its remote teams in Hungary or Sofia, Bulgaria. This role focuses on advancing the company’s cloud, DevOps, and SRE platforms. The Staff DevOps Engineer will design and implement automation, tools, and infrastructure that support reliable, secure, and scalable service delivery across multiple environments. Key Responsibilities Design and build automation, tools, and infrastructure for cloud and DevOps platforms Drive improvements in platform reliability, operational efficiency, scalability, and consistency Collaborate with teams to deliver resilient and well-governed solutions Mentor engineers and promote best practices in cloud infrastructure, automation, CI/CD, and site reliability engineering Report to the Cloud DevOps Manager Location Remote - Hungary Sofia, Bulgaria

About Man GroupMan Group is a leading global alternative investment management firm dedicated to delivering superior results for sophisticated clients through our Systematic, Discretionary, and Solutions offerings. Our investment strategies, supported by talented professionals and cutting-edge technology, encompass both public and private markets across all major asset classes, with a particular emphasis on alternatives. We prioritize building strong partnerships with our clients, fostering deep relationships, and crafting customized solutions that align with their investment objectives and the needs of millions of retirees and savers.Headquartered in London, we oversee $227.6 billion* in assets and operate from multiple offices worldwide. Man Group plc is publicly traded on the London Stock Exchange under the ticker EMG.LN and is a component of the FTSE 250 Index. More information can be found at www.man.com.* As of 31 December 2025The TeamThis is an excellent opportunity to become part of one of the largest alternative asset managers in the world. Technology is integral to Man's business strategy, and we continually evolve to maintain our competitive edge. Our culture champions change and innovation, with engineering at the core of our operational framework.We are looking for a Senior C# Engineer to join one of our Risk Engineering teams. This role is a senior individual contributor position responsible for defining multi-year technical strategies and implementing them through direct involvement and extensive technical leadership across the Man Risk Platform. The ideal candidate should be passionate about utilizing AI development tools to enhance delivery and promote their use within the team.This is a fantastic opportunity to collaborate with and learn from highly skilled engineers while developing a solid foundation in investment risk and data engineering. New team members will have the chance to engage with the latest technologies to tackle upcoming challenges.

Role Overview Cision is looking for a DevOps Engineer II to help strengthen our cloud, DevOps, and SRE platforms. This remote role is open to candidates based in Bulgaria, including Sofia. What You Will Do Design and implement tools, automation, and infrastructure that support reliable, secure, and scalable service delivery across multiple environments. Collaborate with teams across the company to deliver solutions that are consistent and well-governed. Drive improvements in platform reliability, operational efficiency, and scalability. Mentor engineers and share best practices in cloud infrastructure, automation, CI/CD, and site reliability engineering. Report to the Cloud DevOps Manager. About Cision Cision values curiosity, collaboration, and innovation. Team members are encouraged to bring their ideas forward and contribute to the success of the brands we support. Personal growth and shared achievements go hand in hand here. Location Remote within Bulgaria or based in Sofia.

Role Overview Playtech is hiring a Head of Engineering for its Bingo division in Sofia. This leader will guide a team of engineers focused on building and improving gaming products. The position shapes technical strategy, manages product development, and oversees the delivery of reliable, high-quality solutions for Bingo games. What You Will Do Set and steer the technical direction for the Bingo engineering team Oversee the full product development lifecycle, from planning to launch Ensure that all gaming solutions meet Playtech’s quality standards Work closely with cross-functional groups to align engineering efforts with business needs Promote a culture of continuous improvement and innovation within the team Who We’re Looking For Experienced engineering leader with a track record in technical strategy and product delivery Strong collaborator who can connect engineering with business objectives Committed to enhancing user experience and team growth

About Man GroupMan Group is a leading global alternative investment management firm dedicated to generating superior performance for our sophisticated clients through our Systematic, Discretionary, and Solutions offerings. Driven by a combination of exceptional talent and cutting-edge technology, our diverse investment strategies are based on thorough research and encompass both public and private markets across all major asset classes, with a notable emphasis on alternatives. We pride ourselves on our partnership approach, fostering deep relationships with clients to create tailored solutions that align with their investment objectives and those of the millions of savers and retirees they represent.Headquartered in London, we manage assets worth $227.6 billion* and operate across multiple global offices. Man Group plc is publicly traded on the London Stock Exchange under the ticker EMG.LN and is part of the FTSE 250 Index. For more information, please visit www.man.com.* As of 31 December 2025The TeamThis is an exceptional opportunity to join one of the largest alternative asset managers. Technology plays a crucial role in Man's business strategy, and we continuously evolve to remain at the forefront of the industry. Our culture embraces innovation and change, with engineering being fundamental to our operational framework.We are seeking a talented C# Engineer to join our Risk Engineering team. You will collaborate with Investment Risk Managers and fellow Engineers to develop solutions that enhance daily risk analysis and drive the ongoing improvement of the Man Risk Platform. Your enthusiasm for utilizing AI development tools to expedite delivery and promote their use within the team will be highly valued.This is a fantastic opportunity to work alongside highly skilled engineers, and to deepen your understanding of investment risk and data engineering. New hires will have the chance to engage with the latest technologies as we tackle the challenges ahead.

Join CyberArk, a leader in cybersecurity, as a Staff DevOps Engineer. In this pivotal role, you will collaborate with cross-functional teams to enhance our DevOps practices, streamline CI/CD pipelines, and foster a culture of automation and efficiency. Your expertise will help drive innovation and ensure the reliability of our systems.

We are seeking a highly skilled Senior System Engineer to join our innovative team at Mangroup. In this role, you will be responsible for designing, implementing, and maintaining complex systems that meet the evolving needs of our clients. Your expertise will contribute to the development of cutting-edge solutions, ensuring optimal performance and reliability.As a Senior System Engineer, you will collaborate with cross-functional teams to drive projects from conception to deployment. You will leverage your technical knowledge and problem-solving abilities to tackle challenges and deliver exceptional results.

Role overview LivePerson is looking for a NOC Engineer II to join the team in Sofia. This position centers on supporting network operations and ensuring that communication platforms remain reliable. The NOC Engineer II works closely with other engineering teams to monitor systems, respond to incidents, and help maintain a stable network environment. What you will do Monitor network operations and track system performance Troubleshoot technical issues as they occur Work with engineering teams to resolve incidents Contribute to ongoing efforts to strengthen network stability and performance Location This role is based onsite at the LivePerson office in Sofia.

TINQIN has been a pioneer in delivering cutting-edge software solutions for the insurance sector for over a decade, earning the trust of numerous long-term clients and partners.As a proud member of the Be Ys Group, TINQIN has broadened its expertise into the realm of digital trust and identity technologies. This rapidly expanding product line has now evolved into a dedicated entity known as KIPMI Software. We are actively seeking a Java Principal Engineer to join our innovative team dedicated to developing next-generation digital trust products.Be part of our mission to shape the future of technology!