Senior Fullstack Engineer

Unified global business banking and payments platform for businesses operating across borders.

London, United Kingdom
About Sokin

Sokin provides global business accounts, multi-currency wallets, FX, payouts, treasury tools, payment acceptance, payment links, and financial APIs. It also offers live USDT and USDC stablecoin send, receive, and conversion capabilities alongside fiat payment rails.

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Skills

Candidate Availability

Required and preferred rules are kept separate and reflect the wording in the original posting.

About the Role

You will own the full engineering lifecycle, from design and development through deployment, monitoring, and production maintenance. You will build full-stack applications, lead architectural decisions, improve reliability and performance, collaborate on feature requirements, mentor junior developers, and respond to production incidents.

Requirements

  • At least 5 years of professional software engineering experience
  • Experience owning and delivering end-to-end features in production
  • Familiarity with modern frameworks, cloud platforms, and CI/CD pipelines
  • Ability to translate business requirements into scalable and maintainable technical solutions
  • Experience managing development and operational aspects of software with a focus on performance, reliability, and scalability
  • Strong communication and cross-functional collaboration skills
  • Experience mentoring or guiding team members in a senior role
  • Right to work in the jurisdiction where you will work

Responsibilities

  • Own the full software engineering lifecycle from design through production maintenance
  • Collaborate with product managers, designers, and cross-functional stakeholders to refine feature requirements
  • Lead architectural decisions for scalable and maintainable solutions
  • Establish monitoring, alerting, and support processes for reliable features
  • Mentor and guide junior developers
  • Participate in code reviews and uphold quality, security, and performance standards
  • Troubleshoot production issues and participate in incident response
  • Design, develop, and maintain full-stack applications using Python, Flask, FastAPI, AWS, Angular, and SQL databases
  • Optimize application performance and resolve complex technical issues
  • Evaluate emerging technologies and advocate for beneficial applications

Benefits

  • Flexible working culture
  • Recruitment-process accommodations
Senior Fullstack Engineer at Sokin | JobStash