Backend Software Engineer Jobs in Bulgaria· Page 15

299 jobs found

267 - 285 of 299 Jobs
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alex-staff-agency-careers logo
Full-time|Remote|Remote — Bulgaria

Join a modern and rapidly expanding IT company that has been making waves in the international market for over 8 years, with significant projects in Uzbekistan, the UAE, and Saudi Arabia. We are looking for a talented Senior Python Developer to enhance our dynamic team.Our company focuses on creating and improving software solutions for the pharmaceutical se…

Mar 11, 2026
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Sutherland logo
Full-time|Remote|Sofia

Join our innovative team at Sutherland as a C++/Qt/QML & Java Developer! This fully remote position allows you to contribute to exciting projects from anywhere in Bulgaria. You will be instrumental in developing high-quality software solutions, collaborating with cross-functional teams, and ensuring the delivery of exceptional user experiences.

Mar 11, 2026
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Sopra Steria logo
Full-time|On-site|Sofia

Join Sopra Steria as a QA Specialist fluent in German and play a pivotal role in ensuring the quality and efficiency of our software solutions. You will be part of a dynamic team, responsible for designing and implementing test plans, identifying defects, and collaborating closely with our development team to enhance product quality.

Feb 2, 2026
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Trinetix logo
Full-time|Remote|Remote — Bulgaria

Trinetix is seeking a talented Full-Stack Developer to join our innovative team.Your RoleDesign and develop robust backend services and APIs utilizing .NET (C#).Engage in full-stack development as needed, collaborating on frontend components when necessary.Own technical decisions and architectural designs, ensuring scalability and maintainability.Adapt to evolving requirements, working in a dynamic environment.Collaborate with stakeholders while upholding strong engineering principles.Utilize modern development tools, including AI-assisted technologies, to enhance productivity.Commit to continuous learning and adaptation to emerging technologies.RequirementsProficiency in .NET / C# development.Experience in creating RESTful APIs.Deep understanding of software design principles such as OOP and clean code.Full-stack development experience OR a strong backend focus with a willingness to work on the frontend.Self-motivated with a strong sense of ownership over tasks.Excellent problem-solving abilities.Strong communication skills in English.Preferred QualificationsFamiliarity with modern frontend frameworks like React or Angular.Experience in environments with shifting or ambiguous requirements.Knowledge of cloud platforms (e.g., Azure, AWS, GCP).Exposure to AI tools and contemporary development workflows.Understanding of microservices and distributed systems.Core ResponsibilitiesDevelop and maintain RESTful APIs using .NET / ASP.NET Core.Create scalable and maintainable solutions with a focus on code quality.Work with relational databases and optimize queries.Participate in architectural discussions and collaborate on technical decisions.Ensure code is well-structured and testable.Identify issues and enhance system performance.Incorporate AI-assisted tools (such as Cursor, Claude, Copilot) into the development process.

Apr 6, 2026
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With Intelligence logo
Full-time|On-site|Sofia, Sofia City Province, Bulgaria

With Intelligence, now part of S&P Global, offers one of the most comprehensive data solutions for alternative and private market participants. As a member of a larger organization with over 35,000 employees globally, we possess a unique insight into the intricate details while maintaining a wide-ranging perspective.Our mission is to empower leading organizations worldwide to seize opportunities, tackle challenges, and plan for the future by advancing essential intelligence. We support clients in navigating new investments across capital and commodity markets, energy expansion, artificial intelligence advancements, and the evolution of public and private markets.We are in search of a Senior PHP Developer to join our dynamic engineering team as we scale our product offerings. By harnessing cutting-edge data technologies, AI, and machine learning, we are transforming our ecosystem into a seamless, event-driven architecture. We aim to integrate top-tier technology solutions, ensuring our proprietary data has the platform it deserves.This role presents an excellent opportunity for you to showcase your development expertise, utilizing the latest technologies and methodologies to keep us at the forefront of data-driven product innovation.Key Responsibilities:Develop, maintain, and enhance web applications utilizing PHP (Symfony framework).Utilize Doctrine ORM for effective database modeling, migrations, and query optimization.Create and implement robust, scalable, and reusable code adhering to industry best practices and coding standards.Engage in the full software development lifecycle, from gathering requirements to deployment and ongoing maintenance.Collaborate with front-end developers to seamlessly integrate user-facing features with server-side functionality.Work alongside product managers and designers to translate business needs into effective technical solutions.Conduct code reviews to ensure quality, consistency, and compliance with standards.Implement thorough testing and debugging to guarantee optimal performance and reliability.Optimize application performance and ensure the scalability of backend systems.Stay updated on industry trends and emerging technologies in PHP and Symfony development.

Feb 3, 2026
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Hitachi Solutions logo
Full-time|On-site|Sofia

About the Role Hitachi Solutions is looking for a Senior Full Stack Developer to join the team in Sofia. This role involves building scalable applications and collaborating with colleagues across different specialties. Projects span the full software development lifecycle, from gathering requirements to deployment and ongoing support. What You Will Do Work on both front-end and back-end development for client projects Collaborate with cross-functional teams to deliver reliable, maintainable solutions Participate in all phases of the software development process, including planning, coding, deployment, and maintenance What We Look For Experience in full stack development Ability to create scalable and high-quality applications Strong collaboration skills and a proactive approach to problem solving This position is based in Sofia.

Apr 17, 2026
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Hitachi Solutions logo
Automation QA Analyst

Hitachi Solutions

Full-time|On-site|Sofia

Hitachi Solutions is seeking an Automation QA Analyst in Sofia. This role centers on raising software quality by applying automated testing practices. The position plays a key part in supporting the reliability and stability of products throughout the development cycle. Key responsibilities Collaborate with developers and product managers to design and implement automated testing frameworks Develop and maintain test scripts for both new and existing features Execute automated tests to detect issues early in development Identify, document, and help resolve defects to uphold product quality Location This position is based in Sofia.

Apr 22, 2026
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arhs logo
Full-time|On-site|Sofia

Join our dynamic team at arhs as a Senior Java Developer and play a pivotal role in enhancing a high-impact public sector project for a prestigious European Institution. In this position, you will be instrumental in the development of a large-scale, high-visibility platform that prioritizes performance, availability, and scalability, managing a substantial volume of documents within a distributed, cloud-based architecture.Key Responsibilities:Design, develop, and maintain cutting-edge distributed applications utilizing Java 17, Spring, Elasticsearch, and Liferay DXP.Contribute to the evolution of a scalable, responsive platform hosted on Azure and Kubernetes, employing microservices and REST APIs.Collaborate closely with fellow developers, business analysts, and architects to deliver top-tier solutions.Ensure that all Liferay customizations adhere to modern web standards.Participate in code reviews, update technical documentation, and support CI/CD processes.Actively engage in performance optimizations and the progressive development of the architecture.This role requires in-person collaboration to foster learning, relationship-building, and teamwork with clients, colleagues, and communities. We strive to offer flexibility to meet your individual work/life balance needs.

May 8, 2025
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accedia logo
Full-time|On-site|Sofia, Sofia (stolitsa), Bulgaria

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.

Feb 2, 2026
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Accedia logo
Full-time|On-site|Sofia, Sofia, Bulgaria

Join our dynamic team at Accedia as a Junior Front-End Developer, where your passion for web development will flourish. We are seeking an enthusiastic individual who thrives in a collaborative environment and is eager to grow alongside experienced professionals.What You Will Experience:Collaborate with a team of talented engineers on a project for an international client, enhancing your skills while contributing to meaningful work.Receive mentorship from seasoned developers who will guide you in your professional journey.Engage in the full software development lifecycle, from developing new features to supporting existing ones, troubleshooting issues, writing unit tests, and preparing documentation.Communicate effectively with your mentor, team members, and clients to ensure clarity on tasks, requirements, and any challenges you encounter.Expand your knowledge by learning new technologies through various technical and soft-skill training sessions, and pursue professional certifications.

May 5, 2025
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Accedia logo
Full-time|On-site|Sofia, Sofia, Bulgaria

Join our dynamic team as a Junior .NET Full-Stack Developer at Accedia, where you will be encouraged to learn and grow in a collaborative environment. We value knowledge sharing and innovation.Your Role:Engage in a supportive setting working with diverse international clients.Participate in various projects spanning the full software development lifecycle, including developing new features, supporting existing ones, troubleshooting issues, and preparing documentation.Collaborate with developers across different levels of experience to analyze technical requirements, propose architectural solutions, estimate efforts, and plan tasks effectively.Maintain active communication regarding tasks, requirements, issues, and queries with your team and clients.Expand your skill set by learning new technologies, engaging in knowledge-sharing initiatives, and pursuing professional certifications.

Nov 26, 2025
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Bosch Group logo
Security Manager

Bosch Group

Full-time|On-site|Sofia, Engineering Center Sofia

Join Bosch Group as a Security Manager in our Sofia Engineering Center. In this pivotal role, you will oversee security operations, ensuring the protection of our assets and personnel. Your expertise will be essential in developing and implementing security protocols, conducting risk assessments, and leading a team dedicated to maintaining a safe environment.

Nov 10, 2025
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SGS Brazil logo
Full-time|On-site|София [п.к.:1000]

SGS Bulgaria, a branch of the SGS Group based in Geneva, Switzerland, is seeking a dedicated Electrical Machines and Equipment Specialist for our Industrial and Ecology department.Key Responsibilities:1. Organize diagnostic and testing activities for transformers, including:- Monitoring the parameters of liquid and solid insulation of transformers;- Conducting electrical measurements of transformers;- Assessing the current state of used transformer oils and interpreting analysis data;- Determining opportunities for regenerating and restoring operational characteristics of used oils and extending their lifespan;- Analyzing measurement and testing results, issuing expert opinions on transformer conditions, and providing recommendations for subsequent actions;2. Organize activities related to the processing of used transformer oils.3. Engage with potential clients and develop the business and client base.4. Participate in the preparation and implementation of new projects.

Feb 19, 2026
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Bosch Group logo
Full-time|On-site|Sofia, Engineering Center Sofia

Join our innovative team at Bosch Group as a Senior Systems Architect for Automotive. In this pivotal role, you will leverage your expertise to design and implement cutting-edge automotive systems that enhance vehicle performance and safety. Collaborate with engineers, stakeholders, and clients to develop comprehensive solutions that meet the evolving needs of the automotive industry.

Nov 11, 2025
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Crypto logo
Full-time|On-site|Sofia, Bulgaria

Join our dynamic team as a Senior Network & Infrastructure Security Engineer based in Sofia, Bulgaria. In this pivotal role, you will lead the design and implementation of robust security protocols to protect our network infrastructure. Your expertise will be instrumental in identifying vulnerabilities and mitigating risks, ensuring our systems remain secure against evolving threats. Collaborate with cross-functional teams to enhance our security posture and drive innovative solutions in a fast-paced environment.

Jun 18, 2024
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Bosch Group logo
Full-time|On-site|Sofia, Engineering Center Sofia

Join Bosch Group as a Systems Expert in the Automotive sector, where you will play a pivotal role in driving innovative solutions and enhancing system performance. Collaborate with a dynamic team to develop cutting-edge technologies and ensure high-quality standards in automotive applications.

Nov 10, 2025
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KOSTAL Group logo
Internship|On-site|Sofia

KOSTAL Group is offering a Summer Internship in Research and Development at its Sofia location. This internship provides hands-on experience and a chance to collaborate with professionals in the field. Role overview As a Summer Intern in R&D, you will participate in ongoing projects and support the team with fresh ideas. The role focuses on practical learning and exposure to real-world challenges in research and development. What you will do Work on innovative projects under the guidance of experienced team members Contribute ideas and assist with daily tasks in the R&D department Gain insight into industry practices and technical problem-solving Location This internship is based in Sofia.

Apr 29, 2026
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Bosch Group logo
Full-time|On-site|Sofia, Engineering Center Sofia

Join our dynamic team at Bosch Group as a Senior Automotive Systems Expert. In this pivotal role, you will leverage your extensive experience in automotive systems to drive innovation and excellence in our engineering projects. You will work closely with cross-functional teams to develop cutting-edge solutions that meet the evolving needs of our clients and the automotive industry.

Nov 10, 2025
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Renesas Electronics Corporation logo
Director of Analog Design (f/m/d)

Renesas Electronics Corporation

Full-time|On-site|Varna

Join Renesas Electronics Corporation as the Director of Analog Design (f/m/d) in Varna. In this pivotal role, you will lead a talented team of engineers in the development and execution of innovative analog designs. Your expertise will be crucial in driving the strategic direction of our analog product portfolio, ensuring we remain at the forefront of technology.As a key leader within our organization, you will collaborate with cross-functional teams to deliver high-quality products that meet market demands. You will be responsible for overseeing project timelines, managing resources, and fostering a culture of continuous improvement and innovation.

Jan 19, 2026

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