Senior Software Engineer

ABOUT US

In more than ten countries around the world, The Knot Worldwide champions the power of celebration. Our global family of brands provide best-in-class products, services and content to take celebration planning from inspiration to action. At the core of our business is our industry-leading global online wedding Vendor Marketplace, connecting couples with local wedding professionals and a comprehensive suite of personalized wedding websites, planning tools, invitations, and registry services that make wedding planning easier for couples around the globe. Each year, we connect more than 4.5 million users with around 900,000 global small businesses through our Vendor Marketplace.

LIFE AT TKWW

At The Knot Worldwide, we believe in doing work that matters. Each year, we help millions of couples around the world celebrate life’s most meaningful moments, while also helping hundreds of thousands of global small business owners get discovered and scale. Life here means working alongside a team that cares deeply, not just about the work you do, but about the life you live. We prioritize employee well-being and development through meaningful opportunities for growth, and we celebrate milestones and wins in a big way. After all, celebrations are what we do best.

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 Together@TKWW-eligible 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

AI FLUENCY

At TKWW, AI is a tool that helps our teams work smarter, move faster, and spend more time on the work that matters most. We expect every employee, in every role, to build fluency with the AI tools relevant to their work, use them thoughtfully and with sound judgment, and bring curiosity as these tools keep evolving. This isn't about replacing our people's expertise — it's about equipping every employee to use AI to raise the bar on the work we do together.

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 provide meaningful, high-impact benefits designed to support the holistic well-being of our diverse workforce and help our people thrive both professionally and personally. From physical and mental wellness to flexible time off our programs are built around the moments that matter most.

TOGETHER@TKWW: OUR APPROCH TO HYBRID WORK

Together@TKWW is designed to support how we work best: combining the flexibility we value with meaningful opportunities to connect in person. Whether a role is Together@TKWW-eligible or not, we believe in purposeful moments to come together, build strong relationships, and drive bold ideas forward.

For Together@TKWW-eligible