Data Engineer

Posted 13 Days Ago
Be an Early Applicant
Galway
In-Office
Junior
Artificial Intelligence • Big Data • Information Technology • Machine Learning • Software
The Role
Data Engineer responsible for building and maintaining data systems, designing data pipelines, and collaborating with teams to support analytics and data products.
Summary Generated by Built In

CitySwift is looking for a Data Engineer to join our rapidly growing team.

As the world’s leading intelligent data platform for public transport, CitySwift powers data-driven decision making for some of the largest transport networks across the globe. Backed by over €15 million in venture capital funding and trusted by major public transportation operators and government authorities - including National Express, Go-Ahead Group, Transport for London and many more - CitySwift is in accelerated growth mode with 200% YOY revenue growth in 2024.

CitySwift’s mission is to increase the adoption of sustainable public transportation worldwide. Our platform currently optimises over 3 billion passenger journeys annually, and we’re targeting over 10 billion by 2026.

At CitySwift, you’ll have the opportunity to take ownership, deliver measurable impact, and develop professionally — reshape the future of public transport by accelerating CitySwift’s growth.

About the role

As a Data Engineer on the Data team, you will play an important role in building and evolving the data systems that power CitySwift’s platform. You will work closely with senior engineers, software engineers, data scientists, and product teams to design, develop, and maintain scalable, reliable, and high-quality data pipelines and infrastructure. Your contributions will help ensure that the rest of the business can build products and insights on a solid foundation of trusted data.
This role is ideal for someone with approximately two years of experience who is eager to deepen their technical expertise, take on more ownership, and learn within a collaborative and mission-driven environment.

Key Responsibilities
  • Design, build, and maintain data pipelines and workflows that support CitySwift’s analytics, data science, and product features.
  • Contribute to the development of robust, scalable data architectures and tooling.
  • Collaborate with data scientists, engineers, and product managers to understand data requirements and translate them into technical solutions.
  • Support the monitoring, testing, and quality assurance of data pipelines to ensure accuracy, reliability, and performance.
  • Participate in code reviews and contribute to improving engineering standards and best practices.
  • Troubleshoot data issues and assist in root-cause analysis and resolution.
  • Continuously learn and adapt to new technologies, tools, and best practices within the data engineering space.
Key Skills
  • 2 years of professional experience in data engineering or a closely related field.
  • Experience designing, developing, or maintaining data pipelines, ETL/ELT processes, or data-driven systems.
  • Solid understanding of data modeling, data warehousing concepts, and data quality principles.
  • Experience working with cloud-based data platforms (e.g., AWS, Azure, or Google Cloud Platform).
  • Strong SQL, experience with SQL/NoSQL databases (MySQL, MongoDB) and cloud warehouses (Snowflake, Redshift, BigQuery)
  • Proficiency in programming languages such as Python or Java.
  • Familiarity with modern data technologies (e.g., Spark, Airflow, dbt, Kafka, or similar) is a plus.
  • Strong problem-solving skills and the ability to work collaboratively in a cross-functional team.
  • Good communication skills and a willingness to learn, ask questions, and grow within the role.
What we can offer
  • Very Competitive Market Salary 
  • Automatic enrolment into our pension scheme for all employees, matched company contributions 
  • 100% Company paid healthcare available to all employees, with the option to add dependents discounted
  • Automatic enrollment for all employees into our Life Insurance scheme 
  • 25 days annual leave allowance, with additional company days off given throughout the year 
  • Flexible working hours and remote working opportunities based on role
  • Maternity and paternity benefits (100% maternity pay for employees over 2 years of service)
  • Paid Company sick pay 
  • Mental Health support (Employee Assistance Programme (EAP), Wellbeing supports (yoga, fitness classes) and free eye tests 
  • Opportunity to make your mark in a high growth Irish Tech Company and help us in our mission to reduce global emissions from transport 
  • Bike to Work & TaxSaver commuter scheme
  • Employee referral program available to all employees, opportunity to earn up to €4,000
  • Service Recognition Awards and Personal Celebration benefits available to all employees
  • Work Abroad Program available to all employees.
  • Office in City Centre location in Galway
  • Active social club where employees are encouraged to have fun together both inside and outside of work!

Top Skills

Airflow
AWS
Azure
BigQuery
Dbt
Google Cloud Platform
Java
Kafka
MongoDB
MySQL
NoSQL
Python
Redshift
Snowflake
Spark
SQL
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The Company
Galway, County Galway
53 Employees
Year Founded: 2016

What We Do

CitySwift is a big data company that powers major bus networks across the globe. Since its inception, CitySwift has built the world's first Mobility Intelligence as a Service platform, offering bus network providers the precise insights they need to quickly adapt and operate their networks for efficiency, profitability, and growth. The CitySwift platform was built to break down all of the barriers to data that bus network providers have to deal with. CitySwift partners no longer take action based on manual analysis, guesswork, and inaccessible and unreliable data. Instead, they meet and exceed punctuality and reliability goals, without compromising on resources. Working with leading operators and public sector authorities globally, the CitySwift team blends real-world bus industry experience with a deep knowledge of data science to give bus networks the best of both worlds. CitySwift uses AI and machine learning to accurately predict journey times and passenger demand, creating optimised timetables that take into account traffic, events and hundreds of other external factors, ensuring on-time performance and increased passenger satisfaction. Customisable management dashboards deliver business intelligence and enable tracking of KPIs. Improve the efficiency of your network and ensure every bus is where your passengers expect it to be, with data-driven decision-making from CitySwift

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