CrawlJobs Logo
About You Logo About You · IT - Software Development

Senior Backend Node.js Engineer

Germany, Hamburg or Berlin 70000.00 - 85000.00 EUR / Year · Job Posted January 21, 2026
Apply Position
Job Link Share

Job Description

We are looking for a Senior Backend Node.js Engineer (m/f/d) to be part of the development of our Business Intelligence Application. Our BI APP circle is embedded in our circle cluster “Customer & Shop Intelligence”, which is in charge of driving a personalized and inspirational shop experience. Our BI-APP Team uses data from across the company and transforms it into logics & scores, used to provide the best personalized user shopping experience. You will work at the heart of our recommendation and sorting logics with deep insights into the algorithms behind that.

Job Responsibility

  • Develop smart BI solutions utilizing Node.js with TypeScript
  • Manage extensive data volumes efficiently, employing Google BigQuery and integrating seamlessly with Business Intelligence systems
  • Build and enhance high-traffic APIs, ensuring minimal latencies
  • Work closely with experienced developers, product managers, data scientists, and analysts to improve existing features and introduce new ones
  • Encourage innovative ideas and creations
  • Draft architectural decisions together with our Tech Lead and explore new technologies

Requirements

  • At least 5 years of experience working with Node.js
  • Recent and practical experience with TypeScript
  • Proficiency in working with SQL or No-SQL databases
  • Write well-structured, efficient, and maintainable code, and actively maintain the quality of the codebase
  • Excellent analytical and problem-solving skills
  • Used to working in an English-speaking and agile environment
  • Raise the quality of the software you work on

Nice to have

  • Experience with Elasticsearch
  • Experience with Google Big Query
  • Familiarity with centralized logging, monitoring, and alerting solutions like Datadog
  • Recent and practical experience with React, VueJs, or similar frontend frameworks

What we offer

  • Hybrid working
  • Fresh fruit every day
  • Sports courses
  • Free access to code.talks
  • Exclusive employee discounts
  • Free drinks
  • Language courses
  • Laracast account for free
  • Company parties
  • Help in the relocation process
  • Mobility subsidy
  • State-of-the-art technology
  • Central Location
  • Flexible Working Hours
  • Company pension
  • Professional training
  • Dog-friendly office
  • AY Academy
  • Feedback Culture
  • Job Bikes
About You - All Job Offers

Looking for more opportunities?

Search for other job offers that match your skills and interests.

Suggested Tags: Frontend Developer Secretary Talent Manager Salesforce Administrator Data Analyst
Similar Jobs for

Senior Backend Node.js Engineer

8 matching positions

Senior Backend Engineer - Node.js

We are looking for a Backend Engineer to support the development and maintenance...
Location
Location
India
Salary
Salary:
Not provided
techholding.co Logo
Tech Holding
Expiration Date
Until further notice
Flip Icon
Requirements
Requirements
  • Up to 4 years of professional backend development experience
  • Proficiency with TypeScript and Node.js
  • Experience building APIs (REST, GraphQL, RPC) with Fastify, Apollo, Express, or similar frameworks
  • Familiarity with Elastic search or other search/indexing technologies
  • Basic understanding of caching concepts (Redis, Memcached, or similar)
  • Experience with Git and collaborative development workflows
Job Responsibility
Job Responsibility
  • Document, develop and maintain backend services using TypeScript and Fastify
  • Build and update APIs consumed by frontend and mobile applications
  • Assist with Elasticsearch query development and optimization
  • Work with Redis / Valkey for caching implementations
  • Write unit and integration tests to ensure service reliability
  • Participate in code reviews and follow established coding standards
  • Fulltime
Read More
Arrow Right

Senior Backend Engineer (Node.js)

We are building a high-performance, real-time platform from the ground up, and w...
Location
Location
India , Raipur
Salary
Salary:
Not provided
Arosys
Expiration Date
Until further notice
Flip Icon
Requirements
Requirements
  • Node.js Expertise: 2 to 5 years of professional backend experience with a deep understanding of the Node.js event loop and non-blocking I/O
  • Modern Tooling: Proficiency with TypeScript, NestJS (or Express), and modern ORMs
  • Real-time & AI Ready: Experience with WebSockets (Socket.io) or integrating AI model APIs is a huge plus
  • Startup Mindset: You enjoy the “0 to 1” phase. You prefer building clean, reusable systems over patching old ones
  • On-Site Collaboration: You value the energy of a startup office and the speed of in-person brainstorming and whiteboarding
Job Responsibility
Job Responsibility
  • Architect the Core: Design and implement robust, scalable server-side logic using modern Node.js (v22/24+)
  • API First: Build and maintain high-performance RESTful and/or GraphQL APIs that serve as the backbone for our Angular frontend
  • Data Mastery: Own the database schema design (SQL/NoSQL) and optimize queries for maximum speed and reliability
  • Security & Scalability: Implement industry-standard security protocols (OAuth2, JWT) and ensure the system can handle rapid user growth
  • Lead the Way: Mentor future hires, establish CI/CD pipelines, and contribute to the strategic technical roadmap as we scale toward managerial tiers
What we offer
What we offer
  • Cutting-Edge Stack: No legacy baggage. We use the latest stable versions of Node.js and modern infrastructure
  • Leadership Path: We are looking for a future Head of Engineering. You’ll be groomed for leadership roles as the team grows
  • Direct Impact: Your decisions today will define our architecture for years to come
  • Fulltime
Read More
Arrow Right

Senior Backend Engineer (AWS, Node.js, TypeScript, PostgreSQL, Real-Time)

We are seeking a Senior Backend Engineer to take ownership of mission-critical b...
Location
Location
Salary
Salary:
Not provided
gamdom.com Logo
gamdom
Expiration Date
Until further notice
Flip Icon
Requirements
Requirements
  • Proven experience as a Senior Backend Engineer (or backend-focused fullstack engineer) delivering production systems at scale
  • Strong expertise in Node.js and Express with TypeScript
  • Strong proficiency in PostgreSQL, including schema design, migrations, data modeling, and query optimization
  • Hands-on experience with WebSockets and real-time systems (preferably socket.io)
  • Solid experience with AWS, including deploying and operating backend services using services such as EC2, ECS/EKS, RDS, S3, CloudWatch, and IAM
  • Understanding of cloud-native concepts such as scalability, high availability, observability, and security
  • Strong problem-solving skills and ability to work independently on ambiguous, complex tasks
  • Solid communication and collaboration skills in a fast-paced, cross-functional environment
  • Experience with CI/CD pipelines and DevOps practices
Job Responsibility
Job Responsibility
  • Backend Engineering: Design, implement, and maintain scalable backend services using Node.js (Express) and TypeScript
  • System Design: Own technical decisions, service boundaries, API design, and reliability patterns for backend components
  • Cloud & Infrastructure (AWS): Design, deploy, and operate backend services on AWS, leveraging managed services for scalability, reliability, and security
  • Database Ownership: Design schemas, write and optimize SQL, and improve PostgreSQL performance (indexes, query plans, migrations)
  • Real-Time Functionality: Build and operate real-time features using WebSockets (socket.io), ensuring stability under load
  • Performance and Scalability: Improve throughput and latency, and proactively address bottlenecks across services, infrastructure, and the database
  • Quality and Testing: Write and maintain unit and integration tests, and raise overall engineering quality
  • Debugging and Incident Support: Troubleshoot complex production issues across the stack and AWS infrastructure, and implement long-term fixes
  • Collaboration: Work closely with product owners and engineering teams to deliver high-impact features with predictable execution
  • Continuous Improvement: Contribute to better tooling, standards, and engineering practices across the backend team
  • Fulltime
Read More
Arrow Right
New

Senior Backend Engineer - MPG

At The Multiplayer Group (MPG), we create world-class multiplayer experiences th...
Location
Location
United Kingdom
Salary
Salary:
Not provided
climaxstudios.com Logo
Climax Studios
Expiration Date
Until further notice
Flip Icon
Requirements
Requirements
  • Experience in game development and having worked on at least two game titles in a commercial setting developing server backends for AAA games, free-to-play (mobile) games, casino apps or similar
  • Experience releasing at least two backend services with a large number of concurrent users
  • Production experience with at least one of Java, Golang, C#, C++, Kotlin
  • experience with Python, Node.js and React is desirable
  • Experience with cloud platforms: Amazon Web Services, Google Cloud and Microsoft Azure
  • having an AWS Certification (Associate or above) would be advantageous
  • Experience with infrastructure as code tools, e.g. Terraform
  • Ability to create supporting documentation, designs, comments, etc
  • Ability to discuss technical and production matters
  • Excellent time management and ability to work autonomously
Job Responsibility
Job Responsibility
  • Individual contribution: construct systems, write code, deployments, etc.
  • Work with the team lead and stakeholders to estimate and prioritise work
  • Work alongside peers to iterate on solutions that fit requirements
  • Keep the project lead and producer apprised of revised estimates and delivery times
  • Promote and maintain high standards and process: tests, CI/CD, documentation
  • Help and support team members in day-to-day work
  • Understand, maintain and expand existing code and develop new features or systems
What we offer
What we offer
  • Flexible working: Remote-friendly long before it was the norm, with core hours that support both great work and real life
  • Support & wellbeing: Mental health first-aiders, therapy and coaching via Myndup, plus private medical insurance to help you stay healthy and supported
  • Pension & life cover: A strong pension plan and life insurance to support your future and protect your family
  • Time for you: Minimum 25 days’ holiday, a paid winter break, and 3 volunteering days each year to give back to causes you care about
  • Parental leave: Family-first policies that support parents and caregivers with flexibility and balance
  • Levelling up: Annual L&D budget, expert talks, game jams, and mentoring opportunities to help you grow your skills and career
  • Fulltime
Read More
Arrow Right
New

Senior Backend Engineer

My client is a well funded early stage startup building a high scale social plat...
Location
Location
United States , New York
Salary
Salary:
150000.00 - 300000.00 USD / Year
apollo-solutions.com Logo
Apollo Solutions
Expiration Date
Until further notice
Flip Icon
Requirements
Requirements
  • Strong expertise in TypeScript, Node.js, and NestJS, with the ability to design and build production grade backend systems
  • Proven experience implementing secure authentication systems using OAuth, FIDO2 or WebAuthn, and JWT
  • Hands on experience working with Prisma ORM, PostgreSQL or Aurora, Redis, and DynamoDB across high-scale environments
  • Strong understanding of distributed systems, including event driven architecture, pub sub patterns, and message brokers such as Kafka or AWS MSK
  • Experience building real time systems
  • Deep familiarity with AWS and cloud infrastructure, including services such as Aurora Global Database, RDS Proxy, ElastiCache or Valkey, EKS, and Terraform
  • Experience working with observability tooling such as LGTM stack and implementing modern CI/ CD pipelines
  • Proven track record of building external facing systems where performance, concurrency, and reliability are critical
Job Responsibility
Job Responsibility
  • Design, build, and deploy backend services using TypeScript and NestJS with a focus on performance, scalability, and maintainability
  • Architect and implement high traffic APIs, authentication systems, and distributed services enabling real-time and AI-enhanced product features
  • Model and optimize data systems across relational databases, caches, and event streaming platforms to support both operational workloads and AI-driven insights
  • Build resilient, event-driven systems using pub sub patterns and long-lived connections that handle large scale concurrent usage
  • Work closely with AWS infrastructure to improve deployment pipelines, scalability, and overall system reliability
  • Support backend systems that enable AI and machine learning workflows, including data pipelines and real-time inference services
  • Collaborate with a small, high-performing engineering team to make strong technical decisions and execute quickly with high ownership
  • Fulltime
Read More
Arrow Right

Senior Backend Engineer

The Senior Backend Engineer will design and build scalable, production-grade sys...
Location
Location
United States , Glendale
Salary
Salary:
160000.00 - 180000.00 USD / Year
https://www.roberthalf.com Logo
Robert Half
Expiration Date
Until further notice
Flip Icon
Requirements
Requirements
  • 5–8+ years of backend or full-stack software engineering experience
  • Strong proficiency in Node.js, Python, Go, or similar backend languages
  • Experience building and maintaining RESTful and/or GraphQL APIs
  • Hands-on experience with event-driven architectures (e.g., Kafka, RabbitMQ, SQS)
  • Strong understanding of microservices design and distributed systems
  • Experience working with cloud platforms (e.g., AWS) and modern deployment practices
  • Strong knowledge of relational and NoSQL databases and data modeling
  • Demonstrated ability to build scalable, production-grade systems
Job Responsibility
Job Responsibility
  • Design, develop, and maintain scalable backend services and APIs that power core business functionality
  • Build and operate event-driven, distributed systems supporting high-throughput data processing
  • Develop RESTful and/or GraphQL APIs for real-time data access and system integration
  • Integrate backend systems with AI/ML models, data pipelines, and workflow automation systems
  • Architect microservices and ensure systems are reliable, observable, and performant at scale
  • Implement and optimize data pipelines for ingestion, transformation, and delivery
  • Collaborate with cross-functional teams to translate system design into working solutions
  • Lead technical discussions, contribute to architecture decisions, and guide system design best practices
  • Mentor engineers through code reviews, knowledge sharing, and technical leadership
  • Identify and resolve performance bottlenecks, system issues, and technical debt
What we offer
What we offer
  • Comprehensive medical coverage with high employer contribution
  • Retirement savings plan
  • Generous paid time off policy
  • Additional employee perks including wellness initiatives and team-provided meals
  • Fulltime
Read More
Arrow Right

Senior Backend Engineer (AI Focus)

Location
Location
Spain; Bosnia & Herzegovina; France; Italy; Kosovo; Malta; Moldova; Portugal; Romania; Serbia; UK; Ukraine
Salary
Salary:
Not provided
deel.com Logo
Deel
Expiration Date
Until further notice
Flip Icon
Requirements
Requirements
  • 8+ years of experience in backend/full-stack engineering
  • JavaScript, Node.js and PostgreSQL experience
  • Strong API integration skills
  • Hands-on experience integrating AI APIs into production systems
  • Comfort working with unstructured/messy data and ETL pipelines
Job Responsibility
Job Responsibility
  • Build backend services that bring AI capabilities to life inside our Payroll workflows
  • Collaborate with ML engineers and operations to create real-world AI-powered tools
What we offer
What we offer
  • Stock grant opportunities dependent on your role, employment status and location
  • Additional perks and benefits based on your employment status and country
  • The flexibility of remote work, including optional WeWork access
  • Fulltime
Read More
Arrow Right

Senior Backend Engineer, Financial Automation

Financial Automation is a newly formed team within the Revenue Assurance group, ...
Location
Location
Estonia , Tallinn
Salary
Salary:
Not provided
bolt.eu Logo
Bolt
Expiration Date
Until further notice
Flip Icon
Requirements
Requirements
  • Solid backend engineering experience and a track record of designing and shipping scalable, reliable systems
  • At Bolt, using AI daily is a baseline expectation for everyone
Job Responsibility
Job Responsibility
  • Architecting, designing, developing, and deploying the scalable and reliable core platforms for financial flows ensuring data completeness, consistency, quality and compliance in different regions
  • Building integrations with Bolt's existing backend services and various third-party tools and APIs
  • Setting the technical direction for the new domain and establishing engineering standards aligned with ITGC / DORA requirements
  • Providing technical leadership - mentoring engineers, driving system design reviews, and raising the bar for quality
  • Partnering with Finance, Commerce, and Product stakeholders to translate complex regulatory and operational needs into reliable automations
  • Helping lead features and initiatives from idea to positive execution
What we offer
What we offer
  • Rewarding salary and stock option package
  • Flexibility of working in a hybrid mode with a minimum of 2 days in the office each week
  • Wellness perks for physical and mental health
Read More
Arrow Right