Senior Backend Engineer - Data Platform
NaNLABS Jyväskylä, Central Finland, Finland
Software Development · 51-200 employees
About the role
You will build and maintain backend services and APIs while designing reliable data ingestion and processing workflows. Additionally, you will collaborate with cross-functional teams to ensure data accuracy, consistency, and availability across the platform.
What they look for
Requirements
Candidates must have 5+ years of experience building production backend systems with strong proficiency in TypeScript and Node.js. Advanced knowledge of PostgreSQL and experience with distributed systems and operational data pipelines are also required.
Benefits
Full description
Senior Backend Engineer - Data Platform
Remote – LATAM
About the Project
You’ll join the engineering team behind a data platform that supports insurance products related to wildfire risk. The platform integrates information from multiple external providers and proprietary data sources, transforming it into reliable and actionable insights.
This is a backend-focused role with a strong data component. You’ll help build and improve the services, integrations, and operational pipelines that ensure data remains accurate, consistent, and available across the platform.
What you’ll do
- Build and maintain backend services and APIs.
- Develop integrations with external providers through APIs, webhooks, and files.
- Design reliable data ingestion and processing workflows.
- Implement queues, workers, retries, replay mechanisms, and idempotent processes.
- Improve data quality through validation, monitoring, and reconciliation.
- Design and optimize PostgreSQL data models, queries, indexes, and migrations.
- Investigate inconsistencies and failures across different data sources.
- Own your work beyond deployment, including observability, alerts, documentation, and operational support.
- Collaborate with Engineering, Product, Data Science, business stakeholders, and external providers.
- Help define technical standards for the platform as it continues to grow.
Tech Stack You’ll Use
- Backend: TypeScript, Node.js, REST APIs, webhooks
- Data & Storage: PostgreSQL, data modeling, migrations, query optimization
- Data Processing: Queues, asynchronous workers, ingestion pipelines, reconciliation processes
- Cloud & Infrastructure: AWS, Docker, Kubernetes
- Engineering Practices: CI/CD, automated testing, monitoring and observability
What we’re looking for
- 5+ years of experience building production backend systems.
- Strong experience with TypeScript and Node.js, or another typed backend language with an interest in working with TypeScript.
- Advanced knowledge of PostgreSQL, including data modeling and performance optimization.
- Experience building integrations and operational data pipelines.
- Understanding of distributed systems and asynchronous processing.
- Experience implementing retries, idempotency, reconciliation, and failure recovery.
- A strong sense of ownership and the ability to work through ambiguous technical problems.
- Clear communication skills and experience collaborating across technical and non-technical teams.
- English level B2 or higher.
What you’ll get
- Time off & well-being: vacations fully flexible and self-managed, sick leave and personal days, public holidays, paternity and maternity leave, study leave, and moving days.
- Learning & growth: training in best practices and tech, books and light talks, in-house English classes, continuous feedback, and 1:1 career development sessions.
- Work experience: flexible working hours, equipment and work materials provided, internal events and team activities, and a day off on your birthday.
- Contract & setup: 100% remote positions across LATAM, under a contractor model with payment in USD.
