Senior Software Engineer

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Sofia, Sofia-grad
AdTech • Marketing Tech
The Role

Job Description:

Merkle powers the experience economy. For more than 35 years, the company has put people at the heart of its approach to digital business transformation. As the only integrated experience consultancy in the world with a heritage in data science and business performance, Merkle delivers holistic, end-to-end experiences that drive growth, engagement, and loyalty. With more than 16,000 employees, Merkle operates in 30+ countries throughout the Americas, EMEA, and APAC. 

 

In Bulgaria, we manage a global portfolio of clients, providing a single source of expertise, technology, and operational support. We have a proven track record for delivering, managing, and innovating multi-channel commerce platforms for major international brands and retailers, including adidas, Clarins, ASDA, Shiseido, and more. Our world-class team has delivered sites for over 35 brands with more than 400 transactional e-commerce sites in 60 locations and on 6 continents. Our scope is growing with a new data engineering practice, paid search and social advertising, SEO and we are looking forward to what’s next.    

We’re hiring for a Senior Software Engineer as part of Merkle in Sofia. 

 

Key Responsibilities: 

  • Design, develop, and maintain scalable web applications using React and Node.js. 

  • Collaborate with cross-functional teams to define, design, and ship new features. 

  • Ensure the performance, quality, and responsiveness of applications. 

  • Identify and correct bottlenecks and fix bugs. 

  • Maintain code quality, organisation, and automation. 

  • Implement and manage continuous integration and deployment (CI/CD) pipelines. 

  • Utilise AWS services to deploy and manage applications. 

  • Work with MySQL databases to design and optimise queries. 

  • Mentor and guide junior engineers, providing technical leadership and code reviews. 

 

Required Skills and Qualifications: 

  • 5+ years of professional experience in full-stack development. 

  • Proficiency in React and Node.js. 

  • Strong experience with AWS services (e.g., EC2, S3, Lambda). 

  • Solid understanding of MySQL and database design principles. 

  • Experience with version control systems (e.g., Git). 

  • Familiarity with Agile/Scrum methodologies. 

  • Excellent problem-solving skills and attention to detail. 

  • Strong communication and collaboration skills. 

What we offer:

  • We are huge believers in work-life balance, so we offer all our employees 25 days of paid leave and 3 fixed wellness days off a year 

  • A hybrid work model for our teams so they can work from the office and the comfort of their home

  • Free parking spaces for all our employees working from the office

  • Complimentary drinks and snacks in the office to keep the energy levels up

  • Parent-friendly culture and potential for additional days off to create new memories with your loved ones

  • Life Insurance, Health and dental insurance plan or, if selected, gift vouchers instead

  • Sports card, partially covered by the company and food vouchers

  • 2 days off for volunteering and numerous charity initiatives throughout the year

  • Opportunity to attend training, conferences and get certification sponsored by the company upon availability and business need

About dentsu:

Taking a people-centered approach to business transformation, we use insights to connect brand, content, commerce and experience, underpinned by modern creativity. As part of Dentsu Group Inc. we are headquartered in Tokyo, Japan and our 65,000 employee-base of dedicated professionals work across four regions (Japan, Americas, EMEA and APAC). Dentsu combines Japanese innovation with a diverse, global perspective to drive client growth and to shape society. 

 

#LI-MERKLE 

 

Location:

Sofia

Brand:

Isobar Cxm

Time Type:

Full time

Contract Type:

Permanent

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The Company
15,492 Employees

What We Do

We are dentsu. We team together to help brands predict and plan for disruptive future opportunities and create new paths to growth in the sustainable economy. We know people better than anyone else and we use those insights to connect brand, content, commerce and experience, underpinned by modern creativity. We are the network designed for what’s next

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