Data Engineer (m/w/d)

About Tripadvisor
The Tripadvisor Group connects people to experiences worth sharing, and aims to be the world’s most trusted source for travel and experiences. We leverage our brands, technology, and capabilities to connect our global audience with partners through rich content, travel guidance, and two-sided marketplaces for experiences, accommodations, restaurants, and other travel categories. The subsidiaries of Tripadvisor, Inc. (Nasdaq: TRIP), include a portfolio of travel brands and businesses, including Tripadvisor, Viator, and TheFork.

The Tripadvisor Experiences Engineering team is distributed across Europe and is responsible for the platform, mobile apps and all their supporting infrastructure. We run the systems that help operators build their businesses and those which enable third parties to utilise our inventory. We provide the tools which help our customer services team provide world class service to travellers and operators internationally.

About The Role
We’re looking for a
Senior
Software Engineer - iOS
to join our fast-growing team. This role is open to candidates based within a commutable distance (generally up to 1.5 hours) of our office hub in Kraków. We are unable to offer B2B contracts at this time. We embrace flexibility in where and how work gets done and also value meaningful in-person moments to connect and collaborate. You can expect a remote-first working model with periodic in-person gatherings at your closest office for team connection, planning, or other key moments.

Within Tripadvisor we have a fun and friendly environment where the key objective is getting things done. Our engineers take part in the full process from design, to code, to test, to deployment and back again for further iteration.

Our tech stack includes Swift, SwiftUI, Combine and GraphQL in a modular layout that follows SOLID principles using Clean Architecture with MVVM-C.

Would you like to build features end to end? Would you enjoy working with a large number of technologies? Do you like moving quickly, releasing features daily, working with other smart and talented engineers? If this sounds like you, we’d love to talk to you.

What You Will Do

• Code! Our engineers focus on doing what they enjoy most and do best, writing code
• Touch code at every level – while the focus is app development, you’ll also have opportunities to work on backend microservices
• Collaborate closely with Product and design teams to define feature specifications and develop high quality deliverables for our customers
• Take responsibility for all aspects of software engineering, from design to implementation, development experience, QA and maintenance
• Work alongside other engineering groups located around the world

What We’re Looking For

• Experience of developing an iOS app and familiarity with mobile web and back-end technologies would be beneficial
• At least 8 years’ experience of commercial software development, ideally working with a rich user interface
• Experience with reactive programming in native mobile platforms
• Willingness and ability to take on new technologies
• Ability to break down complex problems into simple solutions
• High quality verbal and written communication skills
• Sense of ownership and pride in your work

What We Offer

• Competitive compensation packages (routinely benchmarked against the latest industry data), including base salary and annual bonuses
• “Work your way” with flexibility to suit your lifestyle. Tripadvisor Group takes a remote-friendly approach to collaboration across a worldwide team, with the option to join on-site as often as you’d like or as required by your team.
• Flexible schedule. Work-life balance is ingrained in our culture by design. Trust and accountability make it work.
• Donation matching. Give back? Give more! We match qualifying charitable donations annually.
• Tuition assistance. Want to level up your career? We love to hear it! Receive annual support for qualified programs.
• Lifestyle benefit. An annual benefit to spend on yourself. Use it on travel, wellness, or whatever suits you.
• Travel perks. We believe that travel is employee development, so we provide discounts and more.
• Employee assistance program. We’re here for you with resources and programs to help you through life’s challenges.
• Health benefits. We offer great coverage and competitive premiums.
• Generous referral scheme. Help us grow and be rewarded with generous awards for referring successful candidates.

Our Cultural Pillars
Traveler first
We exist to create value for our customer, the traveler. We enable our suppliers and partners to unlock this value. Their collective behaviors and insights are what drives us.

Execution is our edge
We act fast, experiment, learn from failure, iterate, and improve the solutions of tomorrow across every aspect of our business. Our execution is agile, data-driven, prioritised, and built to scale. We assume no problem is someone else’s problem and finish what can be done today, knowing tomorrow will bring fresh challenges.

We succeed together
The best outcomes are driven by empathic, humble, and diverse subject matter experts working toward shared goals. We collaborate relentlessly, challenge assumptions, give actionable feedback, and set each other up for success through empowered teams with a clear charter. We transparently take ownership of our growth, individually and as a team. We celebrate the quality of our effort, our learnings, and our collective achievements.

We strive to create an accessible and inclusive experience for all candidates. If you need a reasonable accommodation during the application or the recruiting process, please make sure to reach out to your individual recruiter or our team at AccessibleRecruiting@tripadvisor.com.

If you have any additional questions about careers at Tripadvisor you can email us at recruitment@tripadvisor.com. We have all the answers!

Description
🌍 Redefining how people live

At
Blueground
, we believe that when your base is reliable, the world opens up. That’s why we’re building the world’s leading platform for living.

Every year, over 350 million people move between cities — yet today’s housing options haven’t kept up with the needs of a modern, mobile generation. Blueground was created to change that.

With 40,000+ homes around the world, available for stays from a few days to a year or more, we’re only just getting started. We’re on an ambitious growth path to redefine living and create an entirely new category. Our edge? Powerful proprietary technology, operational excellence, and a team that moves with speed and discipline.

Our Culture Is Anchored In Five Principles
✨
Guests First
– Every decision starts with their experience.

⚡ Move Fast
– We value momentum and action.

🔍 Dive In
– The magic is in the details, and we go deep.

🔄 Embrace Change
– Change isn’t disruption; it’s how we grow.

🤝 Keep It Honest
– Transparency accelerates progress and strengthens relationships.

If you’re ready to do the best work of your life and help reshape how the world lives, we’d love to meet you.

🔑 About the Role

We are looking for a
Software Engineer
to join our
Client-facing mobile team
, building the backend systems behind our guest mobile app, the companion guests rely on throughout their stay. We take guest experience seriously, and the app is at the heart of making every stay feel effortless, from booking details and apartment access to support, maintenance, and personalized services. You’ll build scalable backend services in Kotlin and Node.js, design APIs that power real time mobile interactions, and help shape a platform used daily by thousands of guests. We actively leverage AI in both what we build and how we work, using modern AI assisted tools to move fast, stay curious, and deliver an experience guests genuinely enjoy using.

Our Stack

• Kotlin | Node.js
• Postgres | MongoDB | Redis | Snowflake
• Apache Kafka
• Rest | GraphQL
• JUnit 5 / Spock
• AWS | Kubernetes | ArgoCD | Argo Workflows
• Cursor, Claude Code, Opencode.ai, Github Copilot

Our code sits on GitHub, is built, tested, and packaged via GitHub Actions, and runs on Kubernetes. We manage projects in JIRA, our prototypes and mockups in Figma, and monitor our systems and performance in Datadog, with the help of Resolve.ai.

What You'll Do

• Work on services supporting our customer-facing web and mobile apps
• Work mostly on the backend but with a full-stack mindset.
• Use AI tooling for most, if not all, of your tasks
• Write your unit tests
• Automate stuff. Like a lot.
• Be religious with Git
• Depend on a CI pipeline and world-class telemetry.
• Experiment, learn, and have fun

What To Expect

• To work in a small, agile, data-driven, customer-obsessed, multi-cultural team
• To roll up your sleeves and dive into the details
• To fully embrace the AI change
• To enjoy some quality engineering on a multitude of technologies
• A rapidly growing company
• Cool and helpful colleagues :)

Interview Process

• Dialogue with Talent Acquisition Team (30m)
• Live Coding: Evaluating Coding skills (90m)
• Tech Dialogue: CS skills (90m)
• System Design & Executive Dialogue (60m)

Requirements

• 3+ years of Industry experience in software development
• Strong CS background
• Strong skills in either Kotlin or Node.js
• Strong skills in backend development (full-stack is preferable)
• Strong background in relational databases and SQL
• Experience in designing REST and GraphQL APIs
• Testing mindset and an eye for clean code
• Really comfortable with Git
• Excellent communication in English
• BS/MS degree in Computer Science or a related subject

Pay, Perks, and Such

• Competitive salary
• Blueground Stock Option Plan
• Flexible paid time off
• Comprehensive group health insurance
• Access to training budget and resources
• Access to premium AI-powered productivity tools (e.g. Cursor, Claude, ChatGPT)
• Mobile data plan
• Enhanced parental leave
• A dynamic, collaborative environment with talented people
• Flexibility to work remotely through our Blueground Nomads mobility program
• Complimentary accommodation at Blueground locations — think summers in LA and winters in Dubai!
• A culture that embraces Diversity, Equity, and Inclusion at its core

At Blueground we are proud to have Diversity and Inclusion at the centre of everything we do. We are committed to Equal Employment Opportunity regardless of race, colour, national origin, ethnicity, gender, age, disability, sexual orientation, gender identity or religion.

For more information on Blueground, visit us at www.theblueground.com. To keep up with Blueground news, follow us on LinkedIn, Instagram and Tik Tok!

A Snapshot of Your Day
Join our dynamic team as an AI professional and be at the forefront of energy transformation! As part of the Gas Services Distributed AI Factory, you'll play a pivotal role in shaping industrial AI applications. Imagine creating cutting-edge AI capabilities that redefine industry standards and can be scaled across our company. With the autonomy and resources to deliver breakthrough solutions, you'll be instrumental in setting new benchmarks in AI infrastructure and practices. If you're driven by the challenge of building AI systems that push the boundaries of what's technically possible, we want to hear from you!

How You’ll Make An Impact

• Develop and implement complex generative AI applications from discovery to deployment, realizing strategic, tactical, and operational impact.
• Establish a best practices framework for deploying cloud architectures supporting AI agents, focusing on cost, performance, and security for LLM workloads and vector search.
• Create RAG/LLM evaluation pipelines, embedding strategies, and optimize prompts/runtime.
• Build and maintain MLOps, LLMOps, and AgentOps workflows for data pipelines, model packaging, CI/CD, and model versioning.
• Lead and support teams of skilled AI specialists in delivering workable products.
• Communicate and present complex topics to Senior Leadership and serve on Steering Committees.

What You Bring

• Over 7 years of experience in AI/ML solutions, with 5+ years leading GenAI initiatives in enterprise settings.
• 10+ years of Python and API development experience in production environments.
• Recognized as a top talent, successfully scaling solutions company-wide.
• University degree or equivalent experience in Computer Science, Engineering, or related field.
• Strong proficiency in Python and cloud computing using AWS CDK and Serverless Framework.
• Hands-on expertise with LLM providers and frameworks like Azure OpenAI, AWS Bedrock, Hugging Face, LangChain/LangGraph.

About The Team
Our Gas Services division is dedicated to low-emission power generation through service and decarbonization. We bring together all gas turbines, steam turbines, and generators under one roof, offering decarbonization opportunities through modernization and digitalization of the fleet. Our mission is to provide zero or low-emission power generation solutions.

Who is Siemens Energy?
At Siemens Energy, we are more than just an energy technology company. With +100,000 dedicated employees in more than 90 countries, we develop the energy systems of the future, ensuring that the growing energy demand of the global community is met reliably and sustainably. The technologies created in our research departments and factories drive the energy transition and provide the base for one sixth of the world's electricity generation.

Our global team is committed to making sustainable, reliable, and affordable energy a reality by pushing the boundaries of what is possible. We uphold a 150-year legacy of innovation that encourages our search for people who will support our focus on decarbonization, new technologies, and energy transformation.

Find out how you can make a difference at Siemens Energy: https://www.siemens\-energy.com/employeevideo

Our Commitment to Diversity
Lucky for us, we are not all the same. Through diversity, we generate power. We run on inclusion, and our combined creative energy is fueled by over 130 nationalities. Siemens Energy celebrates character—no matter what ethnic background, gender, age, religion, identity, or disability. We energize society, all of society, and we do not discriminate based on our differences.

We will ensure that individuals with disabilities are provided reasonable accommodation to participate in the job application or interview process, to perform essential job functions, and to receive other benefits and privileges of employment. Please contact us to request accommodation.

Rewards/Benefits

• Competitive salary and meal allowance
• Fair compensation for international work
• Health insurance coverage
• Remote work permitted within the country
• Additional 5 “Pontes” days off and Birthday off if it falls on a weekday, when not abroad (only applies for Portugal)
• Among others

https://jobs.siemens\-energy.com/jobs

About Workato
Workato delivers enterprise infrastructure for the agentic era, redefining iPaaS and helping enterprises unify data, applications, processes, and AI into a single, governed platform. A leader in Enterprise MCP and trusted by 50% of the Fortune 500, Workato’s cloud-native architecture connects every application, data source, and process to power real-time orchestration at scale. With enterprise-grade security and continuous innovation at its core, Workato provides the trusted foundation for organizations to automate with confidence and operationalize AI across the business. To learn more, visit www.workato.com

Why join us?
Ultimately, Workato believes in fostering a
flexible, trust-oriented culture that empowers everyone to take full ownership of their roles
. We are driven by
innovation
and looking for
team players
who want to actively build our company.

But, we also believe in
balancing productivity with self-care
. That’s why we offer all of our employees a vibrant and dynamic work environment along with a multitude of benefits they can enjoy inside and outside of their work lives.

If this sounds right up your alley, please submit an application. We look forward to getting to know you!

Also, Feel Free To Check Out Why:

• Business Insider named us an “enterprise startup to bet your career on”
• Forbes’ Cloud 100 recognized us as one of the top 100 private cloud companies in the world
• Deloitte Tech Fast 500 ranked us as the 17th fastest growing tech company in the Bay Area, and 96th in North America
• Quartz ranked us the #1 best company for remote workers

Responsibilities
We are looking for an exceptional Staff Backend Developer (Ruby/Go) to join our growing Engine team. The Engine team develops and maintains most things related to Workato Recipe runtime. Everything related to recipe execution: DSL, pulling events, processing webhooks, executing jobs. There are various aspects to it: performance, scaling, storage, durability, atomicity, concurrency guarantees, data protection, and encryption.

In This Role, You Will Also Be Responsible To:

• We also consider strong Ruby-only candidates, as well as Golang-only candidates who are open to learning new languages.
• Be a key contributor to the architecture and design of distributed applications with strict requirements for performance and resilience.
• Build/extend/troubleshoot/fix complex heterogeneous Golang/Ruby applications, as well as small self-contained Golang microservices.
• Write well-designed, testable, efficient code in Ruby and Golang.
• Integration of data storage solutions Postgres/S3/Redis/Kafka/ClickHouse etc.
• Contribute in all phases of the development lifecycle.
• Provide code reviews to your teammates.
• Provide technical leadership. Work with other teams on shared projects.
• Evaluate and propose improvements to existing systems.
• Identify bottlenecks and bugs, and devise solutions to these problems.
• Help maintain code quality, organization and automatization.

Requirements
Qualifications / Experience / Technical Skills

• Strong experience in building scalable distributed backend applications (7+ years).
• Excellent understanding of distributed systems patterns and algorithms.
• Great understanding of all building blocks of large web applications: databases, load balancers, application servers, message brokers, caching, monitoring, etc.
• Excellent understanding of network protocols and stacks.
• Excellent understanding of DB technologies: classic databases and modern no-SQL.
• Knowledge of all common basic data structures and algorithms and how they are used is a must.
• Multilingual programming experience: our code base is primarily in Ruby, with a trend to migrate to GOlang and Rust. At least two languages are required.
• At least basic understanding of cloud deployments (k8s, Terraform, ArgoCD)
• Experience of working with public cloud infrastructure providers(AWS/Azure/Google Cloud).
• Excellent debugging, analytical, problem solving, and social skills.
• BS/MS degree in Computer Science, Engineering or a related subject, 7+ years of industry experience.

Soft Skills / Personal Characteristics

• Background in GOlang, Rust, WASM, Kotlin-multiplatform.
• Background in network programming.
• Background in application, data security.
• Deep knowledge of physical DB design.
• Experience of working with Docker and other isolation technologies.
• Experience in related fields (DevOps, ML, DBA, Enterprise applications, etc).
• Experience in building/deploying data processing pipelines is a plus.
• Experience of working with third-party REST APIs at scale (request throttling, batch processing etc).

Soft Skills / Personal Characteristics

• Ability to technically lead projects. Work with requirements, cost analysis.
• Readiness to work remotely with teams distributed across the world and timezones.

(REQ ID: 2582)