Senior Frontend Developer

Technology
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Copenhagen

About the job
Merkle, a dentsu company, 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.

Merkle’s expertise has earned recognition as a “Leader” by top industry analyst firms, in categories such as digital transformation and commerce, experience design, engineering and technology integration, digital marketing, data science, CRM and loyalty, and customer data management.

With more than 16,000 employees, Merkle operates in 30+ countries throughout the Americas, EMEA, and APAC. In Denmark we are more than 300 colleagues working in the offices in Copenhagen and Aarhus.

For more information, visit www.merkle.com.

Role of a Senior Developer
We see a senior developer as someone capable of leading projects, engaging in discussions to find the best solutions for our clients, and coaching the team. You are expected to stay updated with technology developments and help spread this knowledge. You are comfortable applying compliance regulations directly in frontend architecture or advising on them during implementation. You understand how to design and build large-scale frontend projects designed for long-term development. You know when to prioritize delivery speed and when to emphasize scalable, maintainable solutions.

Qualifications

• 6+ years of experience doing web development
• Technically proficient front-end engineer with a creative mindset and a strong commitment to code quality and performance, specializing in the Vue, Nuxt, TypeScript, and SCSS ecosystem.
• Ability to lead front-end projects and make decisions collaboratively. Strong communication skills and comfort in handling client dialogue.
• Experience in creating the right front-end architecture for the right solution.
• Independent, proactive, and goal-oriented attitude.
• Naturally curious and up to date with the latest technologies.
• Thorough and disciplined in your work, with a focus on testing, quality auditing, and constant optimization.
  

Experience and Opinions On:

• JavaScript and CSS frameworks, designing for multiple devices and screen sizes, web design, performance, animation, accessibility, and digital communication.
• Always updated on modern front-end technologies, languages, frameworks, methods, platforms, and tools.
• “Security by Design” principles at an architectural level, with a strong understanding of compliance frameworks (EAA, NIS 2, GDPR, EU AI Act, cookie consent). Skilled in identifying when and how to address these considerations and in guiding client discussions accordingly.
• Proficiency with AI-assisted development workflows—leveraging tools for code generation, debugging, and automation. Familiarity with agentic coding patterns
• Experience working with different Content management systems.
• Bonus if you have experience with React/Next, relevant for some of our projects.
  

Benefits:

• A nice pension scheme + health insurance
• Weekly Friday bars (yup, your weekend buzz is on us!)
• Daily-cious breakfast and lunch from our in-house chefs
• An unlimited amount of coffee, tea and supportive colleagues
• Wine tasting club, running club, game nights, grand parties, fun events

We have employees who've stayed with us for 5, 10, 15, and even 20 years! There's room for you to be yourself, including dressing however you like.

Inclusion and Diversity:
At Merkle we believe in the power of diversity. We welcome all applications regardless of age, disability, gender reassignment, marital or civil partner status, pregnancy or maternity, race, color, nationality, ethnic or national origin, religion or belief, sex, or sexual orientation.

Contact:
We look forward to receiving your application for any questions, please contact the TA in charge of this role: Thomas Holley, Talent Acquisition Partner, EMEA, NE by email at: [email protected]

We are aware of several scams targeting job seekers and candidates. Please be vigilant. All communication throughout the recruitment process will be from an official member of the dentsu recruitment team, using corporate email addresses (e.g., @dentsu.com or @merkle.com). We will never ask you to send money or vouchers to secure employment. If you suspect you have been a victim of a scam, please report the incident to your bank, local police, or fraud protection authority immediately. Additionally, you can report the scam to us at [email protected] so we can take appropriate action to request the website is taken down. Please note that Merkle and dentsu are not responsible for any losses incurred as a result of these scams. We advise all individuals to exercise caution and verify the authenticity of any job offers or communications received.

\r\n"}}"> Beware of Job Scams
We are aware of several scams targeting job seekers and candidates. Please be vigilant. All communication throughout the recruitment process will be from an official member of the dentsu recruitment team, using corporate email addresses (e.g., @dentsu.com or @merkle.com). We will never ask you to send money or vouchers to secure employment. If you suspect you have been a victim of a scam, please report the incident to your bank, local police, or fraud protection authority immediately. Additionally, you can report the scam to us at [email protected] so we can take appropriate action to request the website is taken down. Please note that Merkle and dentsu are not responsible for any losses incurred as a result of these scams. We advise all individuals to exercise caution and verify the authenticity of any job offers or communications received.