Junior Software Engineer (Data Products)

Yapily; Greater London; On-site; GBP 42,000 - 56,000; Full time

Benefits offered by this job

Competitive base salary & equity

25 days holiday + extra

Hybrid working: up to 3 days WFH

Nomad working: up to 20 days/year

Enhanced parental leave

Private medical insurance (BUPA)

Mental health support

Pension plan

Learning budget £200/year

Cycle to work

Refer a Friend £1,000

Team socials and dog-friendly office

Job summary

Yapily in London is recruiting a Junior Software Engineer (Data Products) to help build and scale our modern, next-generation data platform. You’ll work on high-performance data pipelines and data APIs, with exposure to the Google Cloud Platform stack, while collaborating with BI and product teams to turn raw data into actionable value.

You will learn to design scalable data ingestion, support billing infrastructure, and participate in testing, monitoring, and agile ceremonies to rapidly grow

Qualifications

• Degree in Computer Science or related field.
• 2–3 years programming experience.
• Experience with SQL and basic schema design.
• Familiarity with Git and CI/CD concepts.
• Understanding of REST APIs and microservices.

Responsibilities

• Assist design and maintenance of scalable data ingestion and processing systems.
• Learn to deploy and maintain software using GCP services such as Pub/Sub, BigQuery, Cloud Storage.
• Collaborate with BI, infrastructure and product teams to understand data requirements and deliver technical solutions.
• Help build and document APIs that deliver a seamless data experience for internal and external stakeholders.
• Work with SQL and NoSQL databases to optimize schemas and write efficient queries.
• Contribute to a reliable billing architecture within an event-driven environment.
• Participate in testing, monitoring, and logging to ensure system resilience.
• Engage in code reviews and agile ceremonies to level up technical skills and product knowledge.

Skills

Programming basics

SQL basics

Git & CI/CD

Problem solving

REST APIs

Education

CS/Software Eng degree

Tools

GCP

Docker

Airflow

BigQuery

Kafka

Spark

Terraform

Job description

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.