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
freshnesssource trustcontent trustemployer trust
External application
4 other jobs at
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