Senior Software Engineer, Payments London (London)
Senior Software Engineer, Payments London (London)

Senior Software Engineer, Payments London (London)

London Full-Time 48000 - 72000 £ / year (est.) Home office (partial)
B

At a Glance

  • Tasks: Join our Payments team to develop and integrate APIs for blockchain customers.
  • Company: Blockchain.com is the leading platform for digital assets, shaping a fair financial future.
  • Benefits: Enjoy hybrid work, unlimited vacation, learning budgets, and equity in a top tech company.
  • Why this job: Be a key player in a rapidly growing field with a focus on innovation and customer experience.
  • Qualifications: 7+ years in backend systems, expertise in JVM languages, and a passion for crypto.
  • Other info: We value diversity and inclusion, ensuring a welcoming workplace for all.

The predicted salary is between 48000 - 72000 £ per year.

Blockchain.com is the world's leading software platform for digital assets. Offering the largest production blockchain platform in the world, we share the passion to code, create, and ultimately build an open, accessible and fair financial future, one piece of software at a time.

We are looking for software engineers from a variety of technical backgrounds with a proven track record in building scalable, reliable and performant systems. You will play a critical role in building financial and crypto-native products, services and APIs. As a Senior Back-End Engineer , you should lead by example – driving the technical discussions, influencing the approach and making a positive impact on the team's development by advocating the best engineering practices.

WHAT YOU WILL DO

  • You will be part of the Brokerage – Payments team who enable blockchain customers to deposit and withdraw in the blockchain app.
  • Develop and integrate APIs from new and existing payment providers, banks and other third parties across multiple countries.
  • Work with our FinOps team and payment providers to resolve customer issues.
  • Advocate best practices, code quality, test coverage and drive technical discussions.
  • Optimise existing systems for scalability, extensibility and performance whilst building out reusable, modular code for use across Blockchain’s products.
  • Ensure security is at the forefront of everything you do, employing advanced encryption schemes to secure user and company data.
  • Work within interdisciplinary teams to continually deliver the highest quality software to our users.

WHAT YOU WILL NEED

  • You know at least one programming language in depth.
  • You have at least 7 years experience building and shipping highly-available, fault tolerant, production ready distributed backend systems.
  • You have experience in any JVM based languages (such as Java, Kotlin, Scala) and are confident in your ability to build, debug and ship microservices.
  • You are customer focused and continuously suggest how the backend can provide the best Customer Experience.
  • You pride yourself on consistent high levels of test coverage, strong technical documentation and effective monitoring.
  • Preferably exposure to technologies such as Kafka, PostgreSQL, Redis.
  • We use Kotlin, PostgreSQL, Kafka, Redis, Datadog, Amplitude, Grafana, BigQuery, ApacheSpark and more.
  • A passion for crypto and the transformations it enables.

COMPENSATION & PERKS

  • Full-time salary based on experience and meaningful equity in an industry-leading company.
  • Hybrid model working from home & our office in Central London (SoHo).
  • Work from Anywhere Policy – up to 20 days to work remotely.
  • ClassPass.
  • Budgets for learning & professional development.
  • Unlimited vacation policy; work hard and take time when you need it.
  • The opportunity to be a key player and build your career at a rapidly expanding, global technology company in an emerging field.
#LI-Hybrid

Blockchain is committed to diversity and inclusion in the workplace and is proud to be an equal opportunity employer. We prohibit discrimination and harassment of any kind based on race, religion, color, national origin, gender, gender expression, sex, sexual orientation, age, marital status, veteran status, disability status or any other characteristic protected by law. This policy applies to all employment practices within our organization, including hiring, recruiting, promotion, termination, layoff, recall, leave of absence, and apprenticeship. Blockchain makes hiring decisions based solely on qualifications, merit, and business need at the time.

#J-18808-Ljbffr

Senior Software Engineer, Payments London (London) employer: Blockchain Ventures

Blockchain.com is an exceptional employer for Senior Software Engineers, offering a dynamic work environment in the heart of Central London. With a strong focus on innovation and professional growth, employees benefit from a hybrid working model, unlimited vacation policy, and dedicated budgets for learning and development. Join a diverse team that values your contributions and empowers you to shape the future of digital finance while enjoying the flexibility to work remotely.
B

Contact Detail:

Blockchain Ventures Recruiting Team

StudySmarter Expert Advice 🤫

We think this is how you could land Senior Software Engineer, Payments London (London)

✨Tip Number 1

Familiarise yourself with the technologies mentioned in the job description, especially Kotlin, PostgreSQL, and Kafka. Having hands-on experience or projects showcasing these technologies can set you apart during discussions.

✨Tip Number 2

Prepare to discuss your previous experiences in building scalable and reliable systems. Be ready to share specific examples of challenges you faced and how you overcame them, as this will demonstrate your problem-solving skills.

✨Tip Number 3

Show your passion for crypto by staying updated on industry trends and developments. Being able to discuss recent news or innovations in the crypto space can highlight your enthusiasm and commitment to the field.

✨Tip Number 4

Engage with the Blockchain community through forums or social media. Networking with current employees or industry professionals can provide insights into the company culture and may even lead to referrals.

We think you need these skills to ace Senior Software Engineer, Payments London (London)

Proficiency in JVM-based languages (Java, Kotlin, Scala)
Experience in building scalable and reliable distributed backend systems
Strong understanding of microservices architecture
API development and integration skills
Knowledge of payment processing systems
Experience with databases such as PostgreSQL and caching systems like Redis
Familiarity with message brokers like Kafka
Strong debugging and troubleshooting skills
Commitment to code quality and test coverage
Ability to write strong technical documentation
Experience with monitoring tools such as Datadog, Grafana, and BigQuery
Understanding of security best practices and encryption techniques
Customer-focused mindset
Passion for cryptocurrency and blockchain technology

Some tips for your application 🫡

Understand the Role: Read the job description thoroughly to understand the key responsibilities and required skills. Tailor your application to highlight your experience with scalable systems, APIs, and any relevant technologies mentioned.

Showcase Relevant Experience: In your CV and cover letter, emphasise your experience with JVM-based languages and building distributed backend systems. Provide specific examples of projects where you demonstrated leadership in technical discussions and best practices.

Highlight Your Passion for Crypto: Since Blockchain.com values a passion for crypto, make sure to include any relevant experiences or projects that showcase your interest in digital assets and how they can transform financial services.

Craft a Strong Cover Letter: Write a compelling cover letter that not only summarises your qualifications but also conveys your enthusiasm for the role and the company. Mention how you can contribute to their mission of building an open and accessible financial future.

How to prepare for a job interview at Blockchain Ventures

✨Showcase Your Technical Expertise

Be prepared to discuss your experience with JVM-based languages like Java, Kotlin, or Scala. Highlight specific projects where you built scalable and reliable backend systems, and be ready to dive into technical details during the interview.

✨Demonstrate Problem-Solving Skills

Expect questions that assess your ability to resolve customer issues and optimise existing systems. Share examples of how you've tackled challenges in previous roles, particularly in relation to payment systems or APIs.

✨Emphasise Best Practices

Discuss your commitment to code quality, test coverage, and strong documentation. Be ready to explain how you advocate for best engineering practices within a team and how this has positively impacted your previous projects.

✨Express Your Passion for Crypto

Blockchain.com values candidates who are passionate about crypto and its potential. Share your thoughts on the industry, any personal projects related to digital assets, and how you see the future of finance evolving through technology.

Senior Software Engineer, Payments London (London)
Blockchain Ventures
B
Similar positions in other companies
UK’s top job board for Gen Z
discover-jobs-cta
Discover now
>