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Backend Engineer

Backend Engineer

AI Engineer - Applied AI & Data Validation

SAP

Sofia

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Описание вакансии

We help the world run better
At SAP, we keep it simple: you bring your best to us, and we'll bring out the best in you. We're builders touching over 20 industries and 80% of global commerce, and we need your unique talents to help shape what's next. The work is challenging – but it matters. You'll find a place where you can be yourself, prioritize your wellbeing, and truly belong. What's in it for you? Constant learning, skill growth, great benefits, and a team that wants you to grow and succeed.

What You'll Build
At SAP, we enable you to bring out your best. Our culture is built on collaboration and a shared passion to help the world run better. SAP offers a highly collaborative, caring team environment with a strong focus on learning and development, recognition for individual contributions, and flexible benefit options.

SAP is looking for an AI Engineer who can turn business problems into practical AI solutions and help ensure the data behind those solutions is accurate, relevant, and ready for use. This is a hands-on role for someone who enjoys building AI applications while also stepping in as an ad-hoc data scientist to assess source quality, validate assumptions, and improve data readiness across the delivery lifecycle.

You will work with cross-functional teams to move high-value AI use cases from discovery to production, balancing speed, technical quality, and real business impact.

As an AI Engineer, you will design, build, validate, and operationalize AI solutions that support business and operational teams. You will work across the full delivery lifecycle, from early requirements and prototyping through production readiness and post-launch improvement.

Key Responsibilities Include

  • Build AI and agent-based solutions that solve real business problems and can be deployed in production environments.
  • Translate business needs into technical designs, data requirements, evaluation approaches, and delivery plans.
  • Act as an ad-hoc data scientist to assess whether data sources are relevant, complete, trustworthy, and fit for the intended use case.
  • Explore, clean, profile, and validate data from enterprise systems to improve model quality and reduce delivery risk.
  • Design and implement prototypes, pipelines, model workflows, orchestration logic, and integration components.
  • Partner with business stakeholders, product owners, engineers, and data owners to define success metrics and align on outcomes.
  • Support discovery workshops and early solution design by bringing a strong perspective on technical feasibility and data readiness.
  • Define and execute testing and evaluation approaches for AI solutions, including data validation, output quality, and operational performance.
  • Prepare solutions for production by contributing documentation, monitoring requirements, release evidence, and handover materials.
  • Analyze usage, feedback, and impact after launch, then turn those insights into recommendations for improvement, scaling, or redesign.
  • Share reusable patterns, lessons learned, and engineering best practices to strengthen overall AI delivery capability across teams.

What You Bring

  • Bachelor’s or Master’s degree in Computer Science, Data Science, Engineering, Mathematics, Statistics, or a related technical field.
  • Strong hands-on experience in AI engineering, machine learning, data science, software engineering, or a similar role.
  • Proven ability to take AI or ML solutions from idea to implementation, including data validation, prototyping, testing, deployment, and operational support.
  • Strong programming skills in Python and solid SQL experience.
  • Experience working with enterprise data, including profiling, quality assessment, transformation, and validation.
  • Good understanding of machine learning methods, statistical analysis, model evaluation, and modern AI application patterns.
  • Experience building or supporting AI applications, intelligent workflows, copilots, or agent-based solutions is a strong advantage.
  • Ability to work in ambiguous environments, structure problems quickly, and make sound technical decisions with incomplete information.
  • Strong communication skills and the ability to explain technical concepts, trade-offs, and data limitations to non-technical audiences.
  • Experience working in cross-functional teams that include business stakeholders, engineers, and governance or compliance partners.
  • Familiarity with human-centered design, discovery workshops, or design-thinking approaches is a plus.
  • Experience with production readiness topics such as monitoring, documentation, runbooks, security alignment, and lifecycle support is a plus.

Where you belong
You will join a team focused on identifying, building, and scaling practical AI use cases that deliver measurable value. The team works closely with business stakeholders, architects, engineers, and operations partners to bring AI solutions into production quickly and responsibly.

This environment is ideal for someone who enjoys combining technical depth with business impact, moving from experimentation to deployment, and working across both AI engineering and data validation responsibilities.

Bring out your best
SAP innovations help more than four hundred thousand customers worldwide work together more efficiently and use business insight more effectively. Originally known for leadership in enterprise resource planning (ERP) software, SAP has evolved to become a market leader in end-to-end business application software and related services for database, analytics, intelligent technologies, and experience management. As a cloud company with two hundred million users and more than one hundred thousand employees worldwide, we are purpose-driven and future-focused, with a highly collaborative team ethic and commitment to personal development. Whether connecting global industries, people, or platforms, we help ensure every challenge gets the solution it deserves. At SAP, you can bring out your best.

We win with inclusion
SAP’s culture of inclusion, focus on health and well-being, and flexible working models help ensure that everyone – regardless of background – feels included and can run at their best. At SAP, we believe we are made stronger by the unique capabilities and qualities that each person brings to our company, and we invest in our employees to inspire confidence and help everyone realize their full potential. We ultimately believe in unleashing all talent and creating a better world.

SAP is committed to the values of Equal Employment Opportunity and provides accessibility accommodations to applicants with physical and/or mental disabilities. If you are interested in applying for employment with SAP and are in need of accommodation or special assistance to navigate our website or to complete your application, please send an e-mail with your request to Recruiting Operations Team: Careers@sap.com.

For SAP employees: Only permanent roles are eligible for the SAP Employee Referral Program, according to the eligibility rules set in the SAP Referral Policy. Specific conditions may apply for roles in Vocational Training.

Qualified applicants will receive consideration for employment without regard to their age, race, religion, national origin, ethnicity, gender (including pregnancy, childbirth, et al), sexual orientation, gender identity or expression, protected veteran status, or disability, in compliance with applicable federal, state, and local legal requirements.

Successful candidates might be required to undergo a background verification with an external vendor.

AI Usage in the Recruitment Process
For information on the responsible use of AI in our recruitment process, please refer to our Guidelines for Ethical Usage of AI in the Recruiting Process.

Please note that any violation of these guidelines may result in disqualification from the hiring process.

Requisition ID: 447139 | Work Area: Software-Development Operations | Expected Travel: 0 - 10% | Career Status: Professional | Employment Type: Regular Full Time | Additional Locations:

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Backend Engineer

Data Engineer with Python

EPAM Systems

Sofia

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Описание вакансии

We are seeking an experienced and highly motivated
Data Engineer
to join our expanding Data Engineering practice.

This role will enhance one of our established Platform Teams, where you will design, construct, and scale data pipelines using Databricks with PySpark on Microsoft Azure, enabling our AI Factory teams to create and deploy advanced machine learning solutions.

This position offers a unique opportunity to work at the crossroads of big data, cloud frameworks, and MLOps, delivering durable, scalable, and efficient data platforms that promote innovation throughout the organization.

Responsibilities

  • Design analytical solutions using Cloud Native, Big Data, and NoSQL technologies
  • Build scalable data pipelines with Databricks and PySpark on Azure
  • Collaborate with MLOps and ML Engineering teams to deliver robust data platforms for AI model development and deployment
  • Work alongside architects, technical leads, and cross-functional teams to align solutions with business objectives
  • Assist the SAP Platform Team in utilizing SAP BTP and hyperscaler services for enterprise-grade data platforms
  • Conduct and participate in code reviews to ensure adherence to technical standards and best practices
  • Mentor junior engineers to cultivate an innovative and high-performance engineering culture
  • Implement CI/CD practices into data workflows using tools like Jenkins, GitLab CI/CD, and Concourse
  • Facilitate communication with stakeholders to understand business processes, model input data, and deliver aligned solutions

Requirements

  • Minimum of 2 years' experience in Software Engineering with a solid background in Data Engineering, Machine Learning Operations, or Machine Learning
  • Expertise in Python and PySpark
  • Familiarity with Databricks and Microsoft Azure cloud services
  • Strong knowledge of software version control tools like GitHub or Git
  • Background in CI/CD tools such as Jenkins, GitLab CI/CD, or Concourse
  • Proven capability to deliver scalable, robust, and highly available data solutions
  • Competency in problem-solving, analytical thinking, and managing stakeholder relationships

Nice to have

  • Skills in another programming language such as Java, SQL, or Scala
  • Understanding of SAP BTP or comparable enterprise data platforms
  • Background in agile development methodologies

We offer

  • Opportunity to Engineer your Future and to drive the world’s digital transformation with top industry clients
  • Personal development program that will allow you to be valued for your strengths
  • Wide range of professional trainings and workshops
  • Being part of a collaborative, fast-growing, and innovative design team
  • Established and accelerated growth toward different career paths, competencies, and roles
  • Broad projects variety and possible mobility between projects over the time
  • Collaboration in a multicultural environment and exchange of best practices with colleagues around the world
  • Varied social benefits, Sports, Transportation and Health programs
  • Work-life balance and flexible schedule, team buildings and sport opportunities
  • Modern office/collaboration spaces (incl. new Infinity Tower business center, Sofia)
  • Hybrid By Design - we provide you with the best productivity options from the 2 worlds. Meet, socialize and enjoy F2F time with your colleagues, while working from the modern EPAM's office for a few days per week and benefit from the EPAM's virtual working environment - making you able to be productive and work from remote for the rest of the week

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Backend Engineer

Java Developer (Mid/Senior)

Amusnet

Sofiasenior

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Описание вакансии

Software Engineer (Java)

Location:

Sofia, BG, 1766

Work Model: Hybrid

Amusnet is a leading provider recognized for offering the best-performing products and innovative solutions in gaming globally. With a portfolio of 300+ casino games, our company delivers engaging online entertainment across 2,000+ websites in 35+ markets. The dedication to innovation and technology also extends to the production of premium slot cabinets, where our games seamlessly integrate with cutting-edge hardware solutions. We continue to expand our network of offices, and our team now consists of 1,300+ industry professionals. As we grow, we're looking for Software Engineer (Java)!

Currently, we are looking for a Java Software Engineer to join our team! We need your bright mind and your experience to help us move our products forward, in our adventure of building the first Cloud-native system for delivering our gaming content, world-wide. The future of iGaming is here, and it's more exciting than ever!

The Perfect Team Member Is Inspired To

  • Designing, developing, and maintaining Java-based micro-services
  • Collaborating with cross-functional teams to define, design, and ship new features, as well as working with software architects to improve the performance and scalability of the software
  • Writing clean, efficient, and well-tested code
  • Participating in code reviews to ensure code quality
  • Identifying and troubleshooting bottlenecks and bugs in the software
  • Continuously discovering, evaluating, and implementing new technologies to maximize development efficiency
  • Mentoring and guiding other developers and architects on the team

The Skills That Will Grab Our Attention

  • A determined, focused team player who is able to communicate effectively with both technical and non-technical stakeholders
  • Must be self-motivated and flexible with a can-do attitude and capable of working under pressure and independently in a fast-paced and dynamic environment
  • Knowledge of agile software development methodologies, such as Scrum or Kanban
  • Experience with object-oriented programming, with a strong understanding of Java and related technologies (Gradle or Maven, Micronaut / Spring Boot)
  • Experience in API Design, including REST and GraphQL
  • Experience with relational databases (PostgreSQL or MySQL) as well as proficiency in SQL and Hibernate or JOOQ
  • Experience in developing and maintaining frontend components corresponding to the backend APIs
  • Familiar with containerized environments using technologies such as Docker and Kubernetes
  • Knowledge and/or experience in cloud platforms such as AWS or GCP is considered an asset
  • Appreciation of system performance and scalability
  • Basic knowledge of frontend technologies (HTML, Typescript, Angular or React) is considered an asset
  • Proficiency in English, both verbal and written

The Reasons To Join Our Team

  • Excellent remuneration package
  • Performance-based bonuses
  • Private health insurance
  • Card for Public Transportation
  • Multisport card
  • Corporate discounts
  • Parking – early bird option
  • 25 days of annual paid leave
  • Performance review process
  • Internal & external training programs
  • Team buildings & local company events
  • Work-life balance
  • Inspiring & supportive colleagues
  • Culture that encourages creativity & talent

If you are interested, please send us your CV.

All applications will be treated strictly confidential.

Only short-listed candidates will be contacted.

Thank you for applying!

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Backend Engineer

Senior Backend Developer

Danfoss

Sofiasenior

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Описание вакансии

The Impact You'll Make
Danfoss Group IT is seeking an
experienced developer
to forefront our integration initiatives and drive the continued improvement of our application portfolio in
Azure cloud.
In this pivotal role, you will be responsible for designing, developing, and deploying robust and scalable enterprise-level integrations.

You will be part of the Digital Customer Experience (DCE) team, with more than 125 international colleagues, where we develop, support, and lead the digital customer experience in Danfoss. We connect business needs and IT into digital solutions.

If you are passionate about building innovative solutions on Azure and have a proven track record of delivering high-quality results, we encourage you to apply with your cv in the English language.
The position is open in our locations in Slovenia, Croatia, Poland and Romania.
The job shall be hybrid.
What You’ll Be Doing

  • Design and implement event-driven integrations (Azure Event Grid and Azure Service Bus) and serverless functions following MACH principles.
  • Utilizing Azure CDN to serve assets and ensure the best possible user experience.
  • Develop and maintain Infrastructure as Code (IaC) solutions using Bicep.
  • Ensure adherence to Microsoft Azure security best practices and industry standards including access controls, data encryption, and vulnerability management.
  • Establish and maintain a robust CI/CD pipeline using Azure DevOps to automate the build, test, and deployment processes.

What We're Looking For

  • Proven professional experience in Azure integration technologies, including Azure Functions, Azure Event Grid, Azure Service Bus, and Azure API Management.
  • Strong proficiency in .NET development and C#.
  • Solid understanding of serverless architectures and cloud-native principles.
  • Expertise in Infrastructure as Code (IaC) using Bicep or Terraform.
  • Experience with CI/CD pipelines and tools like Azure DevOps.
  • Deep knowledge of security best practices and compliance standards.
  • Strong communication and collaboration abilities.
  • Proficiency in spoken and written English.

What You'll Get From Us

  • We promote from within and support your learning with mentoring, training, and access to global opportunities.
  • You’ll have flexibility, autonomy, and support to do your best work while maintaining a healthy work-life balance. Your well-being matters to us.
  • We strive to create an inclusive work environment where people of all backgrounds are respected, and valued for who they are.
  • Together with your employment we provide non salary benefits that we share with your during the recruitment process.

Ready to Make a Difference?
If this role excites you, we’d love to hear from you! Apply now to start the conversation and learn more about where your career can go with us.

All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, age, disability, veteran status, or other protected category

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Backend Engineer

Integration Engineer (AWS)

wherewework Jobs

Sofia

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Описание вакансии

wherewework.bg от името на:

Technology & Software Employers in Bulgaria
Interested in Integration Engineer (AWS) jobs in Bulgaria? You're in the right place.

Integration and release engineering are increasingly important in Bulgaria in 2026 as delivery pipelines grow more automated and interconnected. Sofia holds most openings, and the roles are common in companies running complex, multi system environments. Employers span consultancies and product engineering teams.

To move forward, simply upload your CV to wherewework, and we'll help connect you with real Integration Engineer (AWS) openings from real companies, including the position you're viewing right now.

Here's how it works:

  • Upload your CV once. Click "Apply" in this window. It only takes a moment, and allows us to match your profile with relevant Integration Engineer (AWS) opportunities.
  • We match you with real roles that fit your experience. When companies open Integration Engineer (AWS) positions aligned with your skills, we'll identify the best opportunities for you.
  • You stay fully in control. Before your CV is ever shared, we'll notify you with the exact job title and company name, and ask for your confirmation.
  • Only confirmed applications are sent to employers. Once you approve, the employer receives your application and may contact you directly.

For Integration Engineer (AWS) roles in Sofia, salaries typically range from 2,500 EUR to 4,000 EUR gross per month, with an average gross salary of around 3,250 EUR. Automation across CI and CD pipelines and experience integrating complex systems support the higher end.

While you're here, explore wherewework to discover what it's really like to work at Bulgaria's top technology companies, through interview experiences, employee reviews, and community feedback.

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AI Engineer - Applied AI & Data ValidationSAP · Bulgaria

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