Senior Software Engineer - FinTech FX Platform (Remote), Càrcer

An international fintech engineering team is looking for an experienced

Senior Software Engineer

to play a key role in the evolution of a high‑impact financial platform. You will join a distributed, multicultural team across Europe and South America, working on the development and optimisation of a

multi‑currency accounting and foreign exchange platform . The role offers the opportunity to make meaningful contributions to a core system that supports complex financial operations, with a strong focus on scalability, reliability and continuous improvement. Collaboration, ownership and technical excellence are central to the team’s culture, operating in a remote‑friendly and highly autonomous environment. What’s on Offer

Competitive salary and benefits package Performance-based discretionary bonus Ongoing professional development through training and certifications Strong engineering culture with Open Source principles applied to internal projects and encouraged external contributions Responsibilities

Contribute to the development of the next generation of FX and financial services, working both on new product initiatives and the continuous improvement and automation of existing systems. Collaborate closely with engineers and technical leaders to design new services and components through a structured RFC (Request for Comments) process.Mentor and support less experienced engineers, helping to raise the overall effectiveness and maturity of the team. Lead initiatives end‑to‑end, from discovery to delivery, working alongside product and operational stakeholders to ensure alignment. Take full ownership of the services you build, following a “you build it, you own it” philosophy, including long‑term maintenance and reliability.About You

Solid experience designing and building

complex software systems

in production environments. Strong background in

Python

or other object‑oriented languages. Previous experience in

FinTech, banking or highly regulated environments , with a good understanding of financial systems. Comfortable communicating clearly and effectively in

English , both written and spoken, in an international setting. Proven experience designing and operating services, including API design, monitoring, alerting and integration with external systems. Able to work with legacy codebases, maintaining stability while proposing and implementing improvements to reduce technical debt.Strong focus on code quality, testing and reliability, with experience in unit and integration testing. Familiarity with CI/CD pipelines and infrastructure-as-code tools (e.g. Jenkins, Terraform). Participation in an on-call rotation may occasionally be required to ensure platform availability and rapid incident response.

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