Senior Backend Architect – Data Platforms (Big Data)

Spherical Analytics; Amsterdam; On-site; EUR 120,000 - 180,000; Full time

Job summary

Context Labs is recruiting a Senior Backend Engineer to drive the Immutably™ Platform, leading large-scale data systems and analytics initiatives. You will mentor engineers, shape architecture, and collaborate with product teams across time zones to deliver scalable solutions.

The role emphasizes technical leadership, API design, and experience with Spark, Airflow, Docker, and Kubernetes in a distributed environment. Amsterdam-based office with global impact.

Qualifications

• 10+ years of experience developing large-scale or “big data” systems, with strong knowledge of modern application architectures.
• Expertise with modern data processing technologies such as Spark, Flink, and Arrow, including large-scale query processing.
• Experience with workflow orchestration and scheduling platforms such as Dolphin, Dagster, and Airflow.
• Strong programming experience with JVM languages and Python, including Java frameworks such as Spring.
• Proficiency in API development and integration, including RESTful APIs, GraphQL, and gRPC.
• Experience developing data lakes/data fabrics and working with platforms such as Databricks.
• Proficiency with Docker, Kubernetes, microservices, and relational databases such as MySQL and PostgreSQL.
• Experience with digital asset creation/registration, unit and functional testing, and source code management.
• Strong communication skills with the ability to work independently and take ownership of technical initiatives.

Responsibilities

• Serve as a technical authority, providing engineering leadership and architectural guidance.
• Design, develop, and maintain data systems and services for the Immutably™ Platform, ensuring scalable, performant, and maintainable solutions.
• Translate business requirements into technical designs, estimates, and development tasks in collaboration with Product and Engineering.
• Lead technical projects using appropriate programming languages, including Java, Scala, and Python.
• Establish engineering best practices through high-quality code, architecture, documentation, and code reviews.
• Collaborate within an Agile development environment to deliver high-quality software.
• Coach and mentor engineers through technical and methodological challenges.
• Coordinate engineering efforts across distributed teams and multiple time zones.
• Anything else as may reasonably be required by the company.

Skills

Big data systems

Leadership

Mentoring

Communication

Architecture design

Education

Bachelor's degree in computer science or related field

Tools

Spark

Flink

Arrow

Dolphin

Dagster

Airflow

Java

Spring

RESTful APIs

GraphQL

gRPC

Databricks

Docker

Kubernetes

MySQL

PostgreSQL

Job description

Context Labs is recruiting a Senior Backend Engineer to drive the Immutably™ Platform, leading large-scale data systems and analytics initiatives. You will mentor engineers, shape architecture, and collaborate with product teams across time zones to deliver scalable solutions.

The role emphasizes technical leadership, API design, and experience with Spark, Airflow, Docker, and Kubernetes in a distributed environment. Amsterdam-based office with global impact.