Technical Lead Engineer (Enterprise Payment Gateway) en Madrid o en remoto

The Agile Monkeys is a software boutique with over 75 people and we keep growing.We do two things:

1. We create products: We are a very creative team that is constantly pursuing new ideas and projects we love. Now we are focused on building products related to search and AI. We take great joy in tackling the challenges of AI associated with scalability and information retrieval.

2. We deliver bespoke consulting solutions to leading enterprises, driving strategic transformation, operational excellence, and sustainable growth

About the position:

• The project: You will be working with one of the most renowned entities in the insurance field. You’ll have the opportunity to engage with a competitive community of engineers to craft complex solutions and have an impact in the company’s success. Some of the tasks you can expect to do are:

  • Shape event-driven, cloud-native components and data models that meet stringent performance and reliability goals.

  • Write high-quality Java/Spring Boot code; champion clean architecture, rigorous testing, and CI/CD best practice.

  • Review code, mentor engineers, and collaborate with other tech leads to set shared standards.

  • Translate complex ideas into clear proposals for product managers and executives; present solution options and influence road-map decisions.

  • Lead merchant-migration strategy, enhance payment, customer and reporting modules, and integrate key third-party services (Stripe, Wells Fargo AVS).

• Duration: Initially, the position is for 6 months, from August 2025, but it can be extended depending on the client's needs.

• Dedication: It’s a full-time position (8 hours, 5 days a week) and fully remote (preferably if you are in a time zone ranging from GMT -7 to GMT +2).

• Schedule: At our company, we understand that everyone has unique schedules and needs. Therefore, we offer flexibility in terms of working hours, and will only ask you to make sure you have overlapping time to attend client and team meetings.

• The Agile Monkeys way: You will be part of our team and, therefore, will take advantage of all of our perks: technical workshops and presentations, mentoring, and coaching sessions, among others.

What is required in terms of APTITUDE:

• At least 8 years of experience working as a software engineer.

• Experience in Java 17+, Spring Boot, Spring Batch

• Experience with Kafka (high-throughput event streams)

• Experience with PostgreSQL, Redis Cache, Flyway

• Experience with Azure (AKS, App Gateway, Key Vault, Monitor), Docker, Kubernetes, CI/CD pipelines

• Experience with Stripe APIs, Wells Fargo AVS system

• Good practices promoter.
  

• Considered a Plus:

  • Proven experience leading design and delivery of large-scale, event-driven payment or financial platforms.

  • Deep knowledge of Azure cloud services and container orchestration (Kubernetes).

  • Strong database & performance-tuning expertise (PostgreSQL, caching strategies).
    

  • Good communication skills.

  • Interest in learning new tools, languages, workflows & philosophies.

  • Leadership skills.

What is required in terms of COMMUNICATION:

• English level: B2 or higher - written, listened, and spoken since it’s an American client.

• Strong communication skills: we’re looking for someone who can discuss technical challenges, create and review proposals, and speak up when encountering issues or roadblocks that may compromise project delivery timelines.

What is required in terms of ATTITUDE:

• Proactivity: we strive to add value beyond what’s expected, so we need the team to be creative and proactive, suggest improvements and be vocal.

• Humility: developers at our company are eager to discuss and get feedback because it’s the only way to grow.

• Flexibility: projects are not always based on one technology or toolset, so we need someone flexible and willing to learn and use new tools.

• Teamwork: The Agile Monkeys and the client's teams will work together, so collaboration and teamwork are essential.