Senior Software Engineer

WHAT WE DO MATTERS:

At The Knot Worldwide, we champion celebration - and that starts with celebrating our people. Our employees are passionate dreamers, thoughtful doers, and lifelong learners who power meaningful moments for millions around the world. We’re united by authentic connection, shared purpose, and a deep commitment to the global community we serve. Here, flexibility and belonging go hand in hand with high performance. Driven by our core values, we believe the best ideas come from empowered teams: those who consistently collaborate with intention to design solutions, spark ideas, and drive impact. Our people are at the heart of our success.

ABOUT THE ROLE AND OUR TEAM:

The Knot Worldwide is seeking a highly motivated Senior Software Engineer to join our Barcelona-based Acquisition Team. This team is responsible for our landing experiences, focusing on building and optimizing discovery and landing experiences across various channels—including AI, search, paid media, and distribution—to significantly expand our reach, increase traffic, accelerate user activation, and drive app adoption.

RESPONSIBILITIES:

• Help develop TKWW’s landing experience apps and services, creating a beautiful and memorable first impression for our customers.
• Design, develop, and maintain scalable, high-quality software solutions within the Squad, contributing to the achievement of product and engineering goals.
• Collaborate with product managers, designers, and other engineers to deliver innovative solutions that meet technical and business requirements.
• Drive technical design discussions for complex features and systems, ensuring alignment with Squad architecture and organizational standards.
• Mentor and support junior engineers, providing guidance through code reviews, pair programming, and knowledge-sharing sessions.
• Act as a key contributor to the Squad’s development processes by identifying and implementing improvements for efficiency and quality.
• Proactively identify and resolve technical challenges, ensuring the stability, performance, and maintainability of Squad systems.
• Stay updated on emerging technologies and frameworks, recommending their adoption to enhance engineering capabilities.
• Maintain comprehensive documentation for systems, features, and processes, ensuring knowledge sharing and continuity.

SUCCESSFUL CANDIDATES HAVE:

• 5+ years of professional software engineering experience, with demonstrated expertise in designing, developing, and maintaining complex software systems.
• Proficiency across modern web stacks utilizing React, Node.js, JavaScript/Typescript, GraphQL, Next.js, and cloud infrastructure, with strong knowledge of coding best practices and testing methodologies.
• A passion for building beautifully crafted user experiences
• A background working on landing experiences with an understanding of performance optimization, SEO, AEO, and high-scale content is a plus.
• Strong understanding of system architecture, including experience with scalable infrastructure, service topography, and cloud technologies.
• Demonstrated ability to troubleshoot and resolve complex technical issues, with experience in debugging tools and performance optimization.
• Effective communication and collaboration skills, capable of explaining technical concepts to various audiences and working cross-functionally.
• Experience mentoring and guiding less experienced engineers, fostering a culture of learning and improvement within the team.
• Familiarity with agile development methodologies, including task prioritization, iterative delivery, and collaboration in Scrum or Kanban environments.
• Commitment to delivering high-quality, well-tested, and maintainable code, with a strong focus on user impact and technical excellence.
• Fluent enough in English to be comfortable communicating and coordinating with teams in multiple geographic locations

BENEFITS:

• Private health insurance
• Life insurance
• Employee assistance program: on-demand mental health assistance program for any professional or personal matter
• Optional salary advances
• Tax relief options: pre-tax savings for food, transport, daycare and work related training expenses
• Gym membership discount
• Personal time off: 23 working days of holidays per year + additional days each year considering the application of the max. annual working hours of the Collective Bargaining Agreement
• Other leave entitlements: enhancements to statutory leave permissions, for instance: maternity, paternity, childcare, illness and others to support work-life balance
• Work from home allowance (40€/month)
• Food allowance (55€/month)
• Employee gifting
• Signature events
• Employee resource groups
• DEI & Sustainability councils
• Robust communication and feedback channels
• Focused Fridays
• Recognition incentives
• Local events
• GROW program
• TKWW University for Employee & Leader development
• Employee referral program

WORK MODEL:

• This role is Ver el correo electrónico en es.fitly.work and based near one of our office hubs. You’ll be expected to work in the office two days a week as part of our hybrid work model.
• This role includes on-call rotations to ensure the stability of our systems. Specific schedules and compensation will be discussed during the interview process.

#LI-Hybrid #professional-track

At The Knot Worldwide, we believe you are more than a resume and invite you to go for it, take the leap of faith, and apply for this job. Together, we have an incredible opportunity to make it even easier for our customers to plan life’s most meaningful moments and for our small business owners to grow and scale. We would love to have you with us on our journey.

WHAT WE LOVE ABOUT YOU:

• Commit to our customers : You act as one team on behalf of our customers. You lead with head and heart, and build what matters for life's most meaningful moments.
• Raise the bar: You define "great" and work backwards. You don't just accept how it's been done, but boldly define how it should be. You are unafraid to innovate, learn, and keep moving forward toward our shared vision.
• Be all in: You believe in our mission and take ownership of your work. You debate openly to reach the best outcomes, speaking with clarity and care, embracing diverse perspectives, then commit fully.
• Celebrate impact: You measure success by the outcomes you create. You hold yourself accountable to delivering value, while recognizing progress and the lessons learned along the way. You love to win, together.

WHAT YOU LOVE ABOUT US:

We believe in a wide range of holistic offerings to support our employees so that they can live our values day in and day out. From mental wellbeing, physical health and financial planning, to engaging perks and discounts, we are in the business of celebrating and supporting the Moments that Matter, both in and out of the office.. We offer flexible vacation, generous parental leave, and prioritize initiatives that support the growth, development, and happiness of our people.

Ver el correo electrónico en es.fitly.work is our approach to hybrid work. It’s designed to support how we work best: combining the flexibility we value with meaningful opportunities to connect in person. Whether a role is Ver el correo electrónico en es.fitly.work or not, we believe in purposeful moments to come together, build strong relationships, and drive bold ideas forward.

• For Ver el correo electrónico en es.fitly.work roles, this includes regular in-office time to foster collaboration and connection.
• For roles not eligible for in-office expectations , we support connection through virtual collaboration and intentional gatherings.

To facilitate in-person collaboration, we have office spaces in Barcelona, Spain; Delhi, India; Galway, Ireland; London, England; New York, NY; and Washington, D.C.

__

US Notice: The Knot Worldwide provides equal employment opportunities (EEO) to all employees and applicants for employment without regard to race, color, religion, sex, national origin, age, or disability. In addition to federal law requirements, The Knot Worldwide complies with applicable state and local laws governing nondiscrimination in employment in every location in which the company has facilities. The Knot Worldwide expressly prohibits any form of workplace harassment based on race, color, religion, gender, sexual orientation, gender identity or expression, national origin, age, genetic information, disability, or veteran status.

Privacy Notice: The Knot Worldwide (TKWW) processes your personal data to evaluate your application, based on the legal ground of taking steps prior to entering into a potential employment contract. Only the data strictly necessary for this purpose is collected. In some cases, your data may also be processed based on TKWW’s legitimate interests (e.g., to improve recruitment practices or manage candidate pools), to which you can object at any time. You have the right to access, rectify, or delete your data, and to object to certain uses. To learn more about your rights, please consult our The Knot Worldwide (TKWW) processes your personal data to evaluate your application, based on the legal ground of taking steps prior to entering into a potential employment contract. Only the data strictly necessary for this purpose is collected. In some cases, your data may also be processed based on TKWW’s legitimate interests (e.g., to improve recruitment practices or manage candidate pools), to which you can object at any time. You have the right to access, rectify, or delete your data, and to object to certain uses. To learn more about your rights, please consult our Privacy Policy . If you wish to file a complaint, you may contact the competent data protection authority. If you wish to file a complaint, you may contact the competent data protection authority.