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Go Engineer - Payment Gateway Solutions

About Mellifera:

At Mellifera, we develop innovative IT solutions for Payment Service Providers (PSPs), Electronic Money Institutions (EMIs), and neobanking platforms in the European Union and the United Kingdom. Our team combines deep industry knowledge with cutting-edge technologies to ensure the seamless operation of payment systems and compliance with regulatory standards. Our flagship products include multifunctional payment gateways and AI-driven compliance platforms, supporting global expansion and digital transformation in financial services. 

We are an agile, horizontal team within a larger holding company, focused on developing cutting-edge payment gateway solutions and other fintech products. Our team values collaboration, technical excellence, and a results-driven approach, working closely with internal clients who provide banking, acquiring, and electronic money services.

Your impact:

You will be involved in creating a secure and efficient digital system that facilitates online transactions by connecting e-commerce websites or mobile applications with financial institutions, allowing for the seamless transfer of funds between customers and merchants. You will be integrating various payment methods, such as credit cards, digital wallets, and alternative payment options, to offer customers a convenient and flexible payment experience, ultimately enabling businesses to securely accept payments online and manage their financial transactions effectively.

  • Strong knowledge of Go (2+ years professional experience)
  • Principles of developing scalable and reliable software solutions
  • Problem-solving skills
  • Experience with multiple databases (RDMBS, NoSQL, Redis) and messaging services (Kafka, NATS)
  • SQL, MongoDB Query Language (MQL), Redis commands
  • REST/gRPC transports
  • Docker, Kubernetes, helm charts
  • Experience with micro-services design and development
  • Experience with software engineering best practices: 12 factor app, DDD 
  • Fluency in both written and spoken English and Russian.

It would be a plus if you have experience in

  • GitLab CI/CD
  • Python
  • Terraform
  • System design
  • AWS services EC2, ECS, EKS, S3, RDS, SQS, SNS, IAM

  • Opportunity to shape the future of fintech solutions within a growing company.
  • Collaborative, horizontal team structure that values your expertise and ideas.
  • Chance to work on high-impact projects with internal clients in the banking and financial services sector.
  • Continuous learning and development opportunities to enhance your skills and career growth.
  • Competitive salary and benefits package that varies according to employment type.
  • Flexible work arrangements.

Salary Range:

4500-6000 EUR gross per month

Average salary estimate

$63000 / YEARLY (est.)
min
max
$54000K
$72000K

If an employer mentions a salary or salary range on their job, we display it as an "Employer Estimate". If a job has no salary data, Rise displays an estimate if available.

What You Should Know About Go Engineer - Payment Gateway Solutions, Mellifera Operations Limited

At Mellifera, we are on a mission to reshape the landscape of financial services with our cutting-edge payment gateway solutions, and we are excited to welcome a talented Go Engineer to our innovative team! If you have a passion for building secure and efficient digital systems, your expertise will play a crucial role in facilitating seamless online transactions for our clients. In this position, you will connect e-commerce websites and mobile applications to financial institutions, enabling smooth fund transfers between customers and merchants. Your day-to-day will involve integrating various payment methods, from credit cards to digital wallets, to ensure an exceptional and flexible payment experience for users. You will work side-by-side with internal clients in banking and electronic money services, tackling interesting challenges and collaborating with a dynamic team. With at least two years of professional experience in Go, along with a strong grasp of scalable software solutions, your problem-solving skills will shine as you navigate complexities in databases and messaging services, including SQL and Kafka. Opportunities for continuous learning will abound as you enhance your skills in dockerization and microservices design while adhering to best practices. Join us to shape the future of fintech solutions and enjoy the benefits of flexible work arrangements and a competitive salary, ranging from 4500 to 6000 EUR gross per month. Come aboard and make a significant impact at Mellifera!

Frequently Asked Questions (FAQs) for Go Engineer - Payment Gateway Solutions Role at Mellifera Operations Limited
What are the primary responsibilities of a Go Engineer at Mellifera?

As a Go Engineer at Mellifera, you'll be primarily responsible for developing secure digital systems that facilitate online transactions. This includes connecting e-commerce platforms with financial institutions, integrating various payment methods, and ensuring a seamless transfer of funds. You'll also be involved in creating scalable and reliable software solutions that support our payment gateway and compliance platforms.

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What qualifications are required for the Go Engineer position at Mellifera?

To secure the Go Engineer position at Mellifera, you should have at least two years of professional experience in Go programming. Additionally, you should possess knowledge in scalable software development, databases (both RDBMS and NoSQL), messaging services like Kafka, and proficiency in REST and gRPC. Familiarity with microservices design, Docker, Kubernetes, and AWS services is also advantageous.

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What technologies does a Go Engineer at Mellifera need to be familiar with?

A Go Engineer at Mellifera should be well-versed in technologies such as Go, SQL, MongoDB Query Language, and Redis commands. Experience with Docker, Kubernetes, and DevOps tools like GitLab CI/CD is a plus. Additionally, knowledge of system design principles and various AWS services will enhance your contribution to our innovative projects.

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What is the work environment like for a Go Engineer at Mellifera?

Mellifera offers a collaborative and horizontal work environment where every team member's expertise and ideas are valued. As a Go Engineer, you will work closely with other developers and internal clients, fostering an agile team spirit. We prioritize continuous learning and development, enabling you to enhance your skills while working on impactful projects in the fintech landscape.

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What are the career growth opportunities for Go Engineers at Mellifera?

At Mellifera, Go Engineers can expect numerous opportunities for career growth. With a focus on continuous learning and skill development, you can enhance your expertise in fintech solutions, gain experience on high-impact projects, and potentially move into leadership roles or specialize in areas like system design or cloud services, all while being a part of a rapidly growing company.

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Common Interview Questions for Go Engineer - Payment Gateway Solutions
Can you describe your experience with Go and how it relates to the role of a Go Engineer?

When answering this question, highlight your professional experience with Go, including specific projects where you utilized this language. Discuss the techniques you employed in building scalable applications and how those experiences will help you contribute to the Go Engineer role at Mellifera.

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How do you ensure the reliability and scalability of software solutions?

In your response, emphasize best practices in software development, such as applying the 12-factor app principles and domain-driven design (DDD). Provide examples of past experiences where you successfully implemented these practices to maintain highly reliable and scalable systems.

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What methodologies do you use for integrating various payment methods in fintech applications?

Discuss your understanding of integrating payment methods like credit cards and digital wallets. Share any relevant experience you possess in developing secure APIs for payment processing, ensuring compliance with industry standards, and maintaining user convenience during transactions.

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How do you approach problem-solving when faced with technical challenges?

Detail your systematic approach to problem-solving, including how you analyze issues, brainstorm solutions, and test those solutions. Give examples from past roles, particularly ones that demonstrate your ability to resolve complex challenges faced in payment gateway development.

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Can you explain how you have utilized microservices architecture in previous projects?

Describe your experience designing and developing microservices. Explain how you organized services to promote reusability and scalability, and discuss the benefits this architecture brought to your previous projects, especially in relation to performance and maintainability.

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What tools and technologies have you used for continuous integration and delivery?

Mention specific CI/CD tools you are familiar with, like GitLab CI/CD. Discuss how you've implemented automated testing and deployment processes, leveraging these tools to ensure that your software meets quality standards and is efficiently rolled out to production.

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How do you stay updated on the latest trends in fintech and software development?

Share your methods for continual learning, such as following industry blogs, participating in forums, attending webinars, or engaging in professional communities. By demonstrating a commitment to ongoing education in the fintech space, you show your dedication to remaining informed and innovative.

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What role do you believe communication plays in a development team, particularly in fintech?

Discuss the importance of clear communication among team members and stakeholders, especially when working on complex fintech projects. Highlight how effective communication can lead to better understanding of requirements, improved collaboration, and ultimately successful project outcomes.

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Can you share an experience where you had to learn a new technology quickly to meet project demands?

Select an example where you successfully adapted to a new technology or framework on short notice. Describe your learning process, the resources you utilized, and how your quick adaptation contributed to project success within the fintech domain.

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What do you find most challenging about developing payment gateway solutions?

Consider discussing technical challenges such as ensuring security, meeting compliance regulations, or managing integration with diverse payment systems. Share your thoughts on these challenges and how your background equips you to tackle them head-on.

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EMPLOYMENT TYPE
Full-time, remote
DATE POSTED
March 15, 2025

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