OPPORTUNITIES AT TOMORROW'S GREATEST COMPANIES

Senior Back-End Engineer

PayAll Payment Systems

PayAll Payment Systems

Software Engineering
Chisinau, Moldova
Posted on Nov 15, 2025

About Us:
Payall Payment Systems is a dynamic and rapidly growing fintech startup focused on revolutionizing cross-border payments. Our mission is to provide seamless, secure, and innovative payment solutions for businesses worldwide. As we continue to scale, we are seeking a talented Senior Back-End Developer to help build and maintain scalable, high-performance systems that power our products.

Position Overview:
As a Senior Back-End Developer, you will play a critical role in designing, developing, and maintaining the core backend systems that drive our platform. You will collaborate closely with cross-functional teams to develop innovative solutions, ensure system reliability, and support business growth. This role requires a hands-on developer who thrives in a fast-paced startup environment. You will be expected to take full ownership of delivery of new functionality or removal of defects all the way through the development process.

Key Responsibilities:

  • Architect, implement and deploy high-performance, multi-tenant services;
  • Integrate with 3rd party services;
  • Perform code reviews to ensure code quality, maintainability, and adherence to best practices;
  • Write unit, functional and integration tests covering your code:
  • Work closely with product managers, designers, and QA to deliver top-notch products:
  • Involve in full software development lifecycle from concept to deployment, including maintenance;
  • Contribute to CI/CD pipelines and optimize workflows for better efficiency;
  • Create quality technical documentation to support the engineering and product teams;
  • Implement and enforce secure coding standards to safeguard against security vulnerabilities;
  • Actively participate in SCRUM rituals;
  • Participate in product planning and roadmap discussions;
  • Guide and mentor junior engineers, helping them to up their game;
  • Support continuous improvement by investigating alternatives and technologies and presenting these for architectural review;
  • Document software designs decisions, APIs, and processes to support knowledge sharing and maintain technical clarity;
  • Maintain publicly facing API documentation;
  • Provide ongoing support and maintenance for existing applications, including bug fixes and performance enhancements.

Qualifications:

  • At least 5 years of hands-on experience creating server-side Java and/or Kotlin applications;
  • Good understanding of software development lifecycle including continuous integration and agile practices;
  • Proficiency with Java and/or Kotlin, Spring (Boot, MVC);
  • Experience building microservices based systems;
  • Proven experience as a Backend Engineer or in a similar role, with a strong portfolio of high availability and low latency systems;
  • Solid understanding of software design patterns;
  • Security oriented mindset;
  • Experience working in AWS or GCP environment;
  • Familiarity with version control systems (Git).
  • Excellent problem-solving and analytical skills;
  • Strong communication and collaboration skills to work effectively in cross-functional teams;
  • Ability to manage multiple projects simultaneously and meet deadlines in a fast-paced environment.