About CaraveloAirlines have spent decades selling one trip at a time.
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At Caravelo, we help them build recurring relationships with their customers instead.We build the technology behind airline subscription products used by carriers around the world, combining SaaS, payments, booking systems and airline integrations in one Product & Platform teams build the common technology.
Our Professional Services team makes it work in the real world for each airline.That is where this role comes in.The missionCaravelo has one platform, but no two airline implementations are exactly the same.As a Customer Solutions Engineer in our Professional Services team, your job is to bridge that gap.You will learn how our core platform can be configured, integrated and extended, and use those capabilities to create the implementation each customer needs...
without modifying or forking the core platform!For every airline, we build a customer plugin that wraps the specific integrations, extensions, business rules and behaviours required to make Caravelo fit naturally into that customer's technology landscape.Working closely with Project Managers and customer stakeholders, you will understand requirements, identify the peculiarities of each implementation and decide how best to solve them: configuration, extension, integration or, when justified, a dedicated service or module.The goal is simple: Make every customer rollout feel unique while keeping it cleanly built on top of a common, scalable you'll doBring customers liveYou will be one of the engineers turning a signed customer into a working production means:Understand customer requirements together with the Project Manager.Translate business and technical requirements into a concrete and extend the Caravelo platform using the capabilities provided by our Product & Platform teams.Build and maintain the customer plugin that contains customer-specific logic and implementations through development, testing, launch and production 'll work closely with our Platform and Product engineers, who will provide the documentation, tooling and training needed to understand the core platform and its extension points.Your job is not to rebuild what already exists.
It is to understand the platform deeply enough to use it intelligently and extend it where necessary.Solve integration problemsAirlines have complex technology ecosystems.Some systems are modern.
Others have been running successfully for decades.You will make them work together.Depending on the customer, you may integrate Caravelo with:Airline reservation and passenger service systems.Payment gateways and payment infrastructure.Identity and authentication and communication systems.Loyalty airline APIs.Third-party and legacy systems.Sometimes the solution will be straightforward.Sometimes the API documentation will be incomplete, the behaviour will differ between environments, or two systems will have fundamentally different assumptions.You should enjoy figuring those problems out.Build customer-specific extensionsMost customer needs should be solved using the common not all of them will be.When there is a genuine gap, you may:Build an additional connector.Extend an existing workflow.Create customer-specific business logic.Develop an isolated service or module.Implement data transformation or migration processes.The challenge is knowing when to configure, when to extend and when to build something new.We want engineers who can solve the customer problem without creating unnecessary complexity.Own the implementation beyond go-liveOur work does not stop when a customer launches.Customer systems evolve, vendors change and integrations eventually need to move with them.You will help:Investigate and debug production issues.Maintain customer-specific connectors as external systems evolve.Support customers through technical or introduce integrations while keeping the service running.Improve existing implementations when better platform capabilities become available.For example, an airline may decide to replace its payment work could involve enabling the new payment connector in Caravelo, adapting the customer plugin, helping define the migration approach for existing payment tokens, validating the transition and supporting the rollout together with the Project Manager and customer team.These are not theoretical architecture exercises.
They are real production systems with real customers and travellers behind them.Work across the stack when neededYour centre of gravity will be Java and backend engineering.But customer implementations do not always respect stack boundaries.You should be comfortable following a feature or problem wherever it goes: backend services, APIs, integrations, databases, scripts, data migrations or occasional frontend changes in Vue.You do not need to be a frontend specialist.You do need to be comfortable enough to understand the problem, use AI-assisted development effectively and validate that the result is production-quality.Use AI as an engineering toolWe actively use AI coding tools such as Claude Code, Cursor, Devin and similar assistants.You will use them for things like: unfamiliar code.Writing and extending with APIs and occasional frontend work.We are particularly interested in Spec-Driven Development (SDD): defining clearly what needs to be built before asking AI to help implement it.AI should make you faster.
It should not replace engineering judgment.What success looks likeYou are succeeding in this role when:You can take a customer requirement and turn it into a clean, production-ready solution.Customers launch successfully without unnecessary changes to the core behaviour remains well isolated and maintainable.Integrations are observable, reliable and understandable by engineers other than their original author.You can diagnose complex problems across Caravelo and customer systems.You understand when to configure the platform, when to extend it and when custom development is genuinely necessary.You become increasingly independent in understanding new customer technology landscapes.Migrations and changes to existing integrations can be delivered without destabilising the customer's service.What you bringMust haveStrong professional experience building production software in Java, with solid backend engineering fundamentals.Experience designing and integrating APIs, distributed services and cloud-based systems.Strong debugging and problem-solving skills, especially when working across multiple systems or external dependencies.Good understanding of testing, CI/CD, databases, observability and production software quality.Comfortable understanding an existing platform and extending it cleanly rather than rebuilding from communication skills and the ability to work with Project Managers, engineers and technical customer stakeholders.Nice to haveExperience in Professional Services, implementation engineering, solutions engineering or customer-facing technical delivery.Experience integrating enterprise or legacy systems, particularly in complex customer environments.Experience with payments, payment gateways, data migrations or other business-critical in travel technology, airlines, reservation systems or similarly integration-heavy industries.Familiarity with the technologies listed in our stack, especially Vue/Nuxt, Couchbase or working in security, compliance or reliability-sensitive environments.Our stackYou do not need to arrive knowing every technology we use.Some of the technologies you may encounter include: Java · SpringBoot · Vue.js · Nuxt · Couchbase · PostgreSQL · AWS · Datadog · Gitlab · Docker · Opentofu · Claude Code · CursorMore important than matching every technology is your ability to understand unfamiliar systems, investigate how things work and build reliable solutions around them.The kind of professional who tends to enjoy this roleThis role may be a good fit if you like engineering problems where the answer is not always obvious.You enjoy understanding how systems behave, not just implementing predefined tickets.You are comfortable opening documentation for an unfamiliar API, talking through requirements with a Project Manager, tracing a strange production issue across several systems and then writing the code that solves it.You appreciate good architecture, but you are when confronted with a 15-year-old airline system that behaves differently from its documentation, your reaction is closer to “interesting” than “that's someone else's problem”.What we offerCompetitive salary with a clear progression framework.Flexible working hours.Barcelona-based hybrid model: 4 days in the office and 1 day working from home.Tax-efficient benefits including private health insurance, restaurant and transport cards, and kindergarten support.Budget for training and conferences.Regular company events and days of annual leave.Exposure to complex airline technology environments around the world.The opportunity to work across software engineering, integrations and real customer ownership: you will see the systems you build go from requirements to production.Our hiring processOur hiring process usually takes around 3-4 weeks from application to offerand includes five stages:Intro call (15–20 min)
- A short conversation with our People team to get to know you, understand what you’re looking for and introduce Caravelo and the roleHiring Manager interview (30-45 min)
- A deeper conversation about your experience, the role and the problems you would be solving in our Professional Services team.Practical assessment (Take-home assignment)
- A short, role-specific exercise designed to understand how you approach technical problems and real-world scenarios.Team interview (45-60 min).
Meet 2-3 future colleagues to discuss your experience and assignment, dive deeper into technical topics and explore how we would work together.Founder interview (30-45 min).
A final conversation with one of Caravelo’s founders to align on expectations, ways of working and any remaining questions.We aim to keep the process practical, transparent and moving quickly.
Timelines may vary slightly depending on the role and availability (season of the year).Interested?If you enjoy solving complex integration problems, getting customers live and making different systems work together without turning every implementation into a one-off project, we'd like to hear from you.Apply and tell us about a difficult integration, migration or production problem you've solved.About usAt Caravelo, your work will be seen, valued and celebrated.
You'll help shape technology that is redefining travel, while growing your career in a company that values curiosity, ownership and are proud to be an inclusive, equal opportunity employer and welcome people from all backgrounds, identities and experiences.Ready to help us build the future of travel? Let’s talk.Our use of AI in hiringWe may use artificial intelligence (AI) tools to support parts of our hiring process, including reviewing applications, analysing CVs and responses, and identifying information that may require further review or verification.
These tools support our recruitment team but do not replace human judgement. xkdbapo
Final hiring decisions are always made by people.If you would like more information about how your personal data is processed during recruitment, please contact us.