1mo ago

Senior Software Engineer (Backend) - Lingo

Spain - Barcelonasenior
EngineeringBackend Developer
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Quick Summary

Overview

JOB DESCRIPTION: Senior Software Engineer (Backend) ABOUT LINGOLingo is building a cutting‑edge digital health platform that fuses continuous biosensor data, high‑performance backend engineering,

Technical Tools
EngineeringBackend Developer

     

Responsibilities

~1 min read
  • →Design, develop, and maintain scalable microservices and APIs for real‑time biosensor data processing.
  • →Implement event‑driven integrations with messaging/streaming systems (Kafka, RabbitMQ) and analytics pipelines.
  • →Collaborate with SRE to ensure observability, performance, and operational excellence across backend services.
  • →Participate in architecture and design reviews, contributing to decisions on service boundaries, data models, and communication patterns.
  • →Optimize backend services for low latency, high throughput, and cost efficiency.
  • →Apply privacy‑by‑design and security standards in line with HIPAA/GDPR compliance requirements.
  • →Write clean, maintainable, and testable code; establish and uphold engineering standards within the team.
  • →Mentor junior engineers through code reviews, pair programming, and knowledge sharing sessions.
  • →Troubleshoot production issues and contribute to incident response and post‑mortem analysis.

Requirements

~1 min read
  • 5-8 years of backend engineering experience with distributed, cloud‑native systems.
  • Strong skills in microservices architecture and API design (REST; familiarity with GraphQL/gRPC is a plus).
  • Experience with Kubernetes in production environments and familiarity with service mesh concepts.
  • Hands‑on proficiency with messaging/streaming systems such as Kafka or RabbitMQ.
  • Programming expertise in backend languages such as Java, Kotlin, Python.
  • Knowledge of secure coding practices and compliance requirements (HIPAA, GDPR, or similar).
  • Solid understanding of performance optimization, scalability patterns, and async data processing.
  • Strong collaboration and communication skills; ability to work cross‑functionally with other engineering and product teams.
     
  • Experience integrating backend services with analytics and machine learning pipelines.
  • Exposure to API gateways, authentication/authorization patterns, and rate limiting strategies.
  • Background in digital health, IoT, or other mission‑critical platforms.
  • Familiarity with cloud platforms (Azure/AWS/GCP) and infrastructure‑as‑code tooling (Terraform, Helm).
     
N/A

In specific locations, the pay range may vary from the range posted.

     

Product Development

     

LNGO Lingo

        

Spain > Barcelona : Av. Diagonal, 601

     

     

Standard

     

No

     

Not Applicable

     

Not Applicable

     

     

     

Location & Eligibility

Where is the job
Spain - Barcelona
On-site at the office
Who can apply
Same as job location

Listing Details

Posted
September 9, 2026
First seen
September 27, 2026
Last seen
October 14, 2026

Posting Health

Days active
17
Repost count
0
Trust Level
19%
Scored at
October 14, 2026

Signal breakdown

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Senior Software Engineer (Backend) - Lingo