Software Engineer - Frontend

Auctane; Madrid; Presencial; EUR 34.000 - 50.000; Jornada completa

Ventajas ofrecidas por este puesto de trabajo

Hybrid work option

Private health insurance

Training budget

Office in central Madrid

Descripción de la vacante

Auctane, based in Madrid, Spain, is seeking a Software Engineer to build high quality web applications with a strong frontend focus and robust backend integrations.

You will lead projects, mentor teammates, and collaborate across UI/UX, product, and production teams to deliver reliable software. Proficiency in React, TypeScript, and C# .NET is preferred, with English required.

Formación

• Design and develop advanced web applications and software systems.
• OO programming concepts, frontend state management, algorithms, data structures.
• Experience with modern web performance, DevOps practices, and product development.

Responsabilidades

• Design system architectures and develop complex software components.
• Create high-quality code following industry standards.
• Mentor junior team members and influence team direction.
• Build responsive user interfaces and scalable frontend apps.

Conocimientos

React

TypeScript

C# .NET

AWS

SQL

English

Descripción del empleo

About us

At Auctane, we are united by a passion to help businesses deliver — whatever their size, wherever they are, and however they operate. We make it possible for businesses to meet the ever-changing requirements of their industry and customer expectations. Auctane products enable hundreds of thousands of businesses to annually mail and ship billions of items — over $200 billion worth — to recipients around the globe. The Auctane family of mailing and shipping software products includes ShipStation, Stamps.com, ShipStation API, Metapack, GlobalPost, and Packlink. Our partners include Amazon, UPS, USPS, eBay, BigCommerce, Shopify, WooCommerce, and Walmart. Our values Win as One. Delight Customers. Deliver Great Outcomes.

About the role

As a Software Engineer, you will play a key role in building web applications, with an emphasis on frontend experience and reliable backend integrations. You will be responsible for leading projects, participating in strategic technology decision-making, and mentoring less experienced team members. Your expertise in building responsive user interfaces and software engineer will be essential for achieving project goals. You will collaborate with cross-functional teams to streamline data flow, optimize application performance, and ensure high-quality product delivery. This role is based in Madrid, Spain.

What will you be doing?

• Designing system architectures and developing complex software components while considering both functional and non-functional requirements.


• Creating high-quality software code in accordance with industry best practices and standards.


• Managing software testing processes, identifying and resolving issues, and optimizing client-side and system performance and scalability.


• Building responsive user interfaces and scalable frontend applications adhering to the highest engineering standards.


• Mentoring junior team members by providing technical support, guidance, and sharing knowledge and experience to facilitate their professional growth.


• Influencing team direction and task prioritization.


• Tackling complex problems requiring deep analysis and evaluation of diverse factors.


• Collaborating closely with other departments, such as UI/UX, product, and production teams, and management, to ensure solution consistency and compliance.


• Engaging in effective cooperation with team members.


• Working collaboratively with internal and external stakeholders.


• Inspiring and facilitating constructive discussions around complex topics.


• Providing timely, concise, and actionable feedback to team colleagues.


• Promoting a knowledge-sharing mindset.


• Participating in recruitment interviews for your team.


• Maintaining openness to communication with both local and external partners.


• Developing mentoring skills, fostering learning, and sharing deep engineering expertise with peers.

What are we looking for?

• Experience in designing and developing advanced web applications and software systems.


• Proficiency in object-oriented programming concepts, frontend state management, algorithms, and data structures.


• Continuous focus on enhancing skills in software architecture design, modern web performance, DevOps practices, and product development.


• Strong orientation toward task automation to save time and effort.


• Implementation of improvements and optimizations in daily operations.


• Planning and managing complex web application and multi-system deployments without impacting client operations.


• Ability to balance the demands of delivering high-quality software within tight deadlines.


• Programming across multiple languages (including React or any other component-oriented JS framework and any backend languages).


• Experience with Agile methodologies, responsive web design, and DevOps practices.


• Understanding of cloud infrastructure automation and client-side rendering.


• Knowledge and experience in use of design patterns.


• Proficiency in English is required for this role.


• The tech stack React (or any other component-oriented JS framework) - Required


• TypeScript - Required


• C# .NET - Preferred


• RDBMS / SQL - Preferred


• Amazon Web Services - Preferred

What do we offer?

• Clear and transparent compensation plan. The salary range goes from 34,000 € to 50,000 € . We will discuss the indicated range with you in the first recruiting call to ensure that we are on the same page.


• Flexible salary benefits Save on personal income tax with Cobee for expenses like transport, restaurants, and kindergarten.


• Private health insurance Free for all employees via Cigna , plus we cover 50% for your family members .


• Generous time off Enjoy 26 days of holiday per year (23 base days + your birthday off , Christmas Eve, and New Year’s Eve).


• Your gear, your choice Whether you prefer Mac or Windows , or need an extra screen, we’ll make sure you’re set up for success from day one.


• Annual Salary Review We’re committed to recognizing your professional growth. Every year, we review salaries to reflect your individual development, achievements, and impact on our business success.


• Grow your skills We offer up to €2000/year in training (certifications, conferences, workshops) to boost your growth—both technical and personal.


• Learning resources Access internal and external training , including platforms like LinkedIn Learning , completely free.


• Holistic wellness program Includes access to Wellhub, Curalinc (psychological support), Rocketlawyer (legal advice), and regular health webinars & challenges.


• Volunteer day Take one day off a year to volunteer and give back. Bonus points for sharing pics on Slack!


• Free therapy vouchers Because your mental health matters.


• Health & wellness support Get up to €55/month to cover your gym or fitness classes (yoga, boxing, pilates, etc.).


• Weekly language classes Improve or learn a new language (English, Spanish, French, Italian, or German) in small groups with expert instructors—on us!


• Time for health Get 8 hours per year for personal medical appointments and 10 hours per year to support your family’s medical needs.


• Work-life balance We’re flexible and people-first. We know life happens, and we aim to make work work for you.


• Inclusive, upbeat culture No suits here—just a welcoming, casual, and respectful space where diversity is celebrated , and you can be your full self.


• A global, multicultural team We’re made up of 20+ nationalities , speaking 10+ languages . All communication is in English, so everyone’s included.


• Packlink Pro discount Enjoy 99% off your personal shipments using our platform.


• Referral bonuses Know someone amazing? Earn €1K–€3K when you refer candidates we hire—depending on the role.


• Central Madrid office When you want a change of scenery, drop by our office in the heart of Madrid— free snacks and drinks included !


• Team events We work hard and play hard with regular team-building activities and meetups.

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