Lead Software Engineer

Eliassen Group; Chicago (IL); Hybrid; Confidential; Full time

Benefits offered by this job

Medical, Dental, Vision benefits

401k with company matching

Life insurance

Job summary

The Eliassen Group in Chicago, IL seeks a Lead Software Engineer for a hybrid in-office/remote role focused on cloud-native data platforms within a Customer Data Platform team. You will shape engineering standards, influence platform direction, and mentor engineers while building scalable, secure data solutions on AWS.

Responsibilities include end-to-end lifecycle ownership, collaboration with product and architecture stakeholders, and delivering high-impact data platforms with strong DevOps

Qualifications

• 8–10 years of software engineering experience with scalable, UX-driven and distributed systems.
• Experience with REST APIs, microservices architecture, Kubernetes and distributed systems.

Responsibilities

• Deliver large-scale cloud-native data platforms on AWS with microservices and event-driven apps.
• Lead technical initiatives for performance, scalability, reliability, security, governance and cost efficiency.
• Mentor junior engineers and collaborate with product management, architecture, and stakeholders.
• Own the entire software development lifecycle from requirements to deployment and observability.
• Partner with global teams to align solutions with strategic objectives.

Skills

Java

Python

Spark

TypeScript

Angular

AWS

REST APIs

Microservices

Kubernetes

SQL/NoSQL

Terraform

Ansible

CI/CD

Jenkins

GitHub/GitLab

Education

B.E./B.Tech/M.Tech/MCA in Computer Science, Information Technology, or a related field.

Tools

Databricks

Kafka

S3

Lambda

EventBridge

PostgreSQL

MongoDB

Redis

Job description

Hybrid At least 2 days per week in office in Chicago, IL

Our client seeks a Lead Software Engineer to drive the design, delivery, and technical strategy for cloud-native data platforms within a Customer Data Platform team. The role will define engineering standards, influence long-term platform direction, mentor engineers, and ensure platforms scale securely and reliably. The position requires hands‑on work across Java, Python, Spark, TypeScript, Angular, AWS services, and event‑driven architectures, partnering with product and architecture stakeholders to align with strategic objectives.

We can facilitate w2 and corp-to-corp consultants. For our w2 consultants, we offer a great benefits package that includes Medical, Dental, and Vision benefits, 401k with company matching, and life insurance.

Rate: $74.00 to $84.00/hr. w2

Responsibilities

• Deliver large-scale cloud-native data platforms on AWS leveraging REST APIs, microservices, and event-driven applications for scalability and resilience.
• Work hands-on across Java, Python, Spark, TypeScript, JavaScript, Angular, AWS services, event-driven architectures, and SQL/NoSQL databases.
• Lead technical initiatives focused on performance, scalability, reliability, security, governance, and cost efficiency.
• Partner with global engineering, product management, architecture, and business stakeholders to align solutions with objectives.
• Own the software development lifecycle including requirements, design, development, deployment, observability, and documentation.
• Mentor and guide junior engineers to foster innovation, accountability, collaboration, and technical excellence.

Experience Requirements

• 8-10 years of software engineering with expertise in scalable UX-driven applications and distributed systems.
• Proven experience with REST APIs, microservices, Kubernetes, and distributed systems.
• Experience in Data Warehousing, Data Lakes, Delta Lake architecture, and modern big data ecosystem designs.
• Hands-on expertise in Python, Java, and Angular with object-oriented and functional programming.
• Expertise in PySpark and Apache Spark for high-performance distributed data processing.
• Depth in microservices with Kubernetes for eventing and serving.
• Extensive AWS experience including S3, Lambda, API Gateway, and EventBridge.
• Experience with messaging and event-driven technologies such as Kafka, SNS, and SQS, and databases including PostgreSQL, SQL Server, Aurora, DynamoDB, MongoDB, and Redis.
• Hands-on with Terraform and Ansible for Infrastructure as Code.
• Strong CI/CD and DevOps practices using Jenkins, GitHub/GitLab, Bitbucket, GoCD, and automated pipelines.
• Robust testing strategies including unit, integration, and regression testing.
• Strong critical thinking and analytical skills for diagnosing and solving complex problems.
• Exposure to Generative AI, including LLMs, RAG architectures, and Agentic AI systems.
• Nice to have: PySpark with Databricks, Azure and/or GCP experience, and experience building privacy-safe data platforms or CDPs and MarTech environments.

Education Requirements

• B.E./B.Tech/M.Tech/MCA in Computer Science, Information Technology, or a related field.