Junior Software Engineer (Data Products) in London

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 Java/Python 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.

Responsibilities

• Supporting Data Pipelines: Assisting in the design and maintenance of scalable data ingestion and processing systems using ETL/ELT methodologies.
• 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.
• Cloud Resource Management: Learning to deploy and maintain software utilizing GCP services such as Pub/Sub, BigQuery, Cloud Storage.
• Billing Infrastructure Support: Contributing to a reliable billing architecture within an event-driven environment.
• Cross-functional Collaboration: Partnering with BI, infrastructure, and product teams to understand data requirements and deliver technical solutions.
• 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.

Essential Skills

• Java Foundation: 1–2 years of experience (including internships or intensive projects) in Java 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.
• Financial Tech Interest: An interest in Open Banking and the FinTech landscape.

Why You'll Love Working With Us

• 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 30 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 biased 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.