Senior Backend Engineer

. Develop and deploy scalable and resilient backend systems using NoSQL and event-driven technologies within cloud-first architectures .

Posted 11/11/2026contractRemoteSeniorWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates expertise in backend development with a strong focus on Node.js, event-driven architectures, and NoSQL data storage. Proficient in creating self-documented APIs and building real-time features, while effectively collaborating with cross-functional teams in a mobile-first environment.

Highest-signal resume keywords

Node.js Backend DevelopmentEvent-Driven ArchitectureNoSQL Data StorageAWS Services (ECS, DynamoDB, SQS, EventBridge)TypeScript Proficiency

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

Backend DevelopmentAPI Development (NestJS, GraphQL, REST)Real-Time Features (WebSockets)Unit and Integration TestingInfrastructure as Code (Terraform)

Soft Skills

CollaborationAdaptabilityClient Relationship Building

Tools & Technologies

SentryDataDogCloudWatchAmplitudePostgreSQL

Industry Keywords

Mobile-First EnvironmentScalabilityGlobally Distributed SystemsObservabilityMonitoring Tools

Tech Stack

Tools & technologies

ApolloAWSCloudDistributed SystemsDynamoDBFirebaseGraphQLJavaScriptNode.jsNoSQLPostgresReactReact NativeSnowflakeTerraformTypeScript

About the role

Key responsibilities & impact

Develop and deploy scalable and resilient backend systems using NoSQL and event-driven technologies within cloud-first architectures
Take charge of in-depth investigations across backend systems and provide clear pathways to resolution
Optimize system performance to ensure reliability and availability
Develop real-time features using WebSockets
Collaborate with product management, QA, and other cross-functional teams to deliver high-quality features and enhancements
Contribute to architectural decisions and technical direction independently
Triage, investigate, and resolve complex backend issues
Work in a mobile-first environment with strong understanding of the product
Work directly with the client through the Extended Team model
Use the same tools and technologies as the client team and be managed directly by the client
Integrate deeply into the client’s team and build relationships
Participate in client trips, teambuilding, and after-work activities

Requirements

What you’ll need

At least 5 years of experience in back-end development using Node.js
Demonstrated proficiency in backend development
Expertise in creating self-documented APIs using NestJS with GraphQL or REST
Strong understanding of event-driven architectures and NoSQL data storage
Strong proficiency in TypeScript
Hands-on experience with AWS services, including ECS, DynamoDB, SQS, EventBridge, and PostgreSQL
Hands-on experience building real-time features using WebSockets
Practical experience with observability and monitoring tools, such as Sentry, DataDog, CloudWatch, and Amplitude
Experience writing effective and reliable unit and integration tests
Experience working in a mobile-first company, with an understanding of the product from an engineering perspective
Full professional proficiency in English
Experience working in a collaborative environment and adaptability to different approaches
Experience with Infrastructure as Code using Terraform is nice-to-have
Experience with Apollo, Firebase Authentication, Stream Chat, Cloudflare, and Snowflake is nice-to-have
Interest or experience in globally distributed systems and scalability is nice-to-have
Interest or experience with ML/AI recommendation engines is nice-to-have
Familiarity with mobile development using React Native is nice-to-have

Benefits

Comp & perks

Health insurance
Wellbeing coverage
Sport coverage
Learning budget
Paid vacations
Paid sick leaves
All public holidays are paid days off
Encouraged trips to a client
Teambuilding and after-work activities