Junior Software Engineer (Data Products)

Yapily
Yapily

Software Engineering

London, UK

Posted on Aug 26, 2026

As a Junior Software Engineer (Data Products) at Yapily, you will help build and scale our

modern, next-generation data platform. This is a junior level role perfect for someone with a

strong computer science foundation who is eager to specialize in the world of Data

Engineering.

You will support the team in creating high-performance data pipelines, billing infrastructure,

and self-serve data APIs. This role offers a unique front-row seat to the GCP (Google Cloud

Platform) stack, where you’ll learn to develop data systems that empower engineering teams

to turn raw data into actionable value.

As a Junior Software Engineer, Data Products, you will be responsible for:

● Supporting Data Pipelines: Assisting in the design and maintenance of scalable

data ingestion and processing systems using ETL/ELT methodologies.

● Cloud Resource Management: Learning to deploy and maintain software utilizing

GCP services such as Pub/Sub, BigQuery, Cloud Storage

● Cross-functional Collaboration: Partnering with BI, infrastructure, and product

teams to understand data requirements and deliver technical solutions.

● API Development: Helping build and document APIs that deliver a seamless data

experience for internal and external stakeholders.

● Database Operations: Working with SQL and NoSQL databases, helping to

optimize schemas and write efficient queries to support high-volume transactions.

● Billing Infrastructure Support: Contributing to a reliable billing architecture within

an event-driven environment.

● Quality & Monitoring: Participating in testing, monitoring, and logging practices to

ensure system resilience.

● Continuous Learning: Engaging in code reviews and agile ceremonies to rapidly

level up your technical skills and product knowledge.

What You Bring

Essential Skills

● Programming Language Foundation: 2–3 years of experience (including

internships or intensive projects) in any programming language development.

● Database Basics: Academic or professional exposure to SQL; you should be

comfortable writing queries and understand basic schema design.

● Version Control: Familiarity with Git and a basic understanding of CI/CD concepts.

● Problem-Solving Mindset: A proactive approach to debugging and a genuine

curiosity about how data flows through a system.

● API Awareness: Basic understanding of REST APIs and how microservices

communicate.

● Educational Background: A degree in Computer Science, Software Engineering, or

a related field (or equivalent practical experience).

Preferred Skills (Nice to Have)

● Python/Shell: Basic knowledge for scripting or data automation.

● Cloud Exposure: Any experience with GCP, AWS, or Azure (Cloud certifications are

a plus!).

● Containerization: Familiarity with Docker or the concept of containerized

applications.

● Data Tools: Exposure to any data processing tools like Airflow, Kafka, or Spark.

● Infrastructure as Code: A desire to learn tools like Terraform/Terragrunt.

● Financial Tech Interest: An interest in Open Banking and the FinTech landscape.

  • Competitive Pay & Equity – We offer a great base salary plus equity, so you’ll own a part of what we’re building together.
  • Generous Time Off – Enjoy 25 days of holiday each year (plus bank holidays if you’re in the UK), and earn an extra day each year after your first, up to 5 more!
  • Hybrid Working – Life’s about balance. you can work from home up to 3 days a week, eligibility criteria applies.
  • Nomad Working – Feel like a change of scenery? Work from anywhere for up to 20 days each year.
  • Family First – We offer enhanced Maternity and Paternity leave because your family matters
  • Private Medical Insurance – You’ll get top-notch cover through BUPA, because your health is a priority.
  • Mental Health Support – Access personalised mental wellness support through our award-winning partner.
  • Future-Ready Perks – Including a solid company pension, life assurance, and income protection.
  • Learn & Grow – A £200 annual budget for learning and personal development. Invest in you!
  • Cycle to Work Scheme – Commute the healthy way with support from our cycle to work programme.
  • Refer a Friend – Bring someone great onboard and earn £1,000 with our referral scheme.
  • Team Vibes – Monthly socials, team lunches, and a budget to hang out and have fun (yes, pizza included 🍕).
  • Office Snacks & Doggies – Daily snacks to keep you going, and yes – we’re proudly a dog-friendly office 🐾.

Our Values

We obsess about quality

  • Our customers have entrusted us with a critical function in a regulated industry…and we take that responsibility seriously. We always assume ownership and hold ourselves accountable.

We are curious

  • Our innovation is powered by our collective growth mindset. We’re lifelong learners who challenge assumptions, experiment, and iterate.

We act with integrity

  • We’re guided by our mission and earn and maintain trust by doing what’s right, even when it’s not easy.

We are do-ers

  • We reject indifference and agility is our strength.
  • We’re motivated by challenges, and biassed towards action.

We problem-solve together

  • We’re diverse people in diverse places, and know the best solutions are born out of collaboration. We win, lose, and learn…together.