Senior Software Engineer
MLabsNetherlands8 hours ago
Full-timeRemote FriendlyOther
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Senior Backend Engineer - High-Volume Fintech & Payments Platform
Location: Remote - Based in LATAM / EST /Europe
Compensation: $130K - $180K
We are a technology company building the next generation of money and financial products. We are seeking a Senior Backend Engineer to design and build the core backend systems that power our fintech and payments platform. This role requires deep technical expertise in high-scale transaction systems and strong product awareness to deliver reliable, secure, and impactful solutions.
You will be responsible for the full lifecycle of our backend services, focusing on architecting, building, and operating systems that handle high-volume financial transactions securely and reliably. You will act as a technical leader, driving feature delivery and raising the engineering bar across the team while ensuring our systems align with business priorities.
Key Responsibilities:
Commitment to Equality and Accessibility:
At MLabs, we are committed to offer equal opportunities to all candidates. We ensure no discrimination, accessible job adverts, and providing information in accessible formats. Our goal is to foster a diverse, inclusive workplace with equal opportunities for all. If you need any reasonable adjustments during any part of the hiring process or you would like to see the job-advert in an accessible format please let us know at the earliest opportunity by emailing [email protected].
MLabs Ltd collects and processes the personal information you provide such as your contact details, work history, resume, and other relevant data for recruitment purposes only. This information is managed securely in accordance with MLabs Ltd's Privacy Policy and Information Security Policy, and in compliance with applicable data protection laws. Your data may be shared only with clients and trusted partners where necessary for recruitment purposes. You may request the deletion of your data or withdraw your consent at any time by contacting [email protected].
Location: Remote - Based in LATAM / EST /Europe
Compensation: $130K - $180K
We are a technology company building the next generation of money and financial products. We are seeking a Senior Backend Engineer to design and build the core backend systems that power our fintech and payments platform. This role requires deep technical expertise in high-scale transaction systems and strong product awareness to deliver reliable, secure, and impactful solutions.
You will be responsible for the full lifecycle of our backend services, focusing on architecting, building, and operating systems that handle high-volume financial transactions securely and reliably. You will act as a technical leader, driving feature delivery and raising the engineering bar across the team while ensuring our systems align with business priorities.
Key Responsibilities:
- Build & Operate: Build and operate scalable backend services using Node.js/TypeScript and PostgreSQL
- API Design: Design robust APIs that power financial transactions, ensuring idempotency, reliability, and a developer-friendly experience
- Architecture: Architect solutions for complex challenges across core domains, including payments, ledgering, and reconciliation
- Feature Delivery: Lead feature delivery from design through implementation, testing, and deployment
- Code Quality & Mentorship: Review code and mentor peers, maintaining high standards for maintainability and quality across the codebase
- Production Reliability: Investigate and resolve production issues with a focus on root cause prevention
- Treat APIs and services as products, balancing developer experience with robustness
- Favor simplicity and clarity in architecture while planning for scale and resilience
- Keep security and compliance top of mind in all technical decisions
- Document designs, runbooks, and decision records for effective knowledge sharing
- Experience: 5+ years of backend software engineering experience
- Core Stack: Strong expertise in Node.js, TypeScript, and relational databases (PostgreSQL preferred)
- Domain Expertise: Proven experience building APIs that power financial or transactional systems
- Fintech Knowledge: Understanding of payments, fintech, or other transaction-heavy domains
- Systems Design: Experience designing for scalability, reliability, and fault tolerance
- Distributed Systems: Familiarity with distributed systems concepts (e.g., idempotency, concurrency, data integrity)
- Communication: Excellent communication skills and ability to collaborate across product, design, and infrastructure teams
- Node.js / TypeScript, NestJS (or similar backend frameworks)
- PostgreSQL, REST APIs
- GitLab, Docker, Kubernetes, AWS
- Monitoring and observability tools (e.g., Datadog)
- Experience with blockchain development (e.g., smart contracts, wallets, tokenization)
- Infrastructure knowledge: Kubernetes, AWS, Terraform
- Exposure to event-driven architectures and real-time transaction systems
- Leave: Unlimited Leave policy
- Equipment: Company-provided Laptop
- Compensation: Competitive salary ($130K - $180K) plus Options (equity) package
- Perks: Dedicated Health Stipend and Office Stipend
- Impact: Opportunity to work on critical infrastructure at the intersection of fintech and payments
Commitment to Equality and Accessibility:
At MLabs, we are committed to offer equal opportunities to all candidates. We ensure no discrimination, accessible job adverts, and providing information in accessible formats. Our goal is to foster a diverse, inclusive workplace with equal opportunities for all. If you need any reasonable adjustments during any part of the hiring process or you would like to see the job-advert in an accessible format please let us know at the earliest opportunity by emailing [email protected].
MLabs Ltd collects and processes the personal information you provide such as your contact details, work history, resume, and other relevant data for recruitment purposes only. This information is managed securely in accordance with MLabs Ltd's Privacy Policy and Information Security Policy, and in compliance with applicable data protection laws. Your data may be shared only with clients and trusted partners where necessary for recruitment purposes. You may request the deletion of your data or withdraw your consent at any time by contacting [email protected].
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