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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Software Engineer - **Company:** Eliassen Group - **Location:** Chicago, IL, United States - **Experience:** Expert - **Salary:** $135,200.0 - $156,000.0 - **Contract:** Permanent contract - **Skills:** Java (Programming Language), JavaScript (Programming Language), Amazon Web Services, Amazon S3, Microsoft Azure, Big Data, Databases, Continuous Integration, Data Warehousing, DevOps, Distributed Computing Environment, Distributed Systems, Amazon DynamoDB, Github, Python (Programming Language), PostgreSQL, Microsoft SQL Server, MongoDB, NoSQL, Object-Oriented Software Development, Systems Development Life Cycle, Redis, Regression Testing, Ansible, Amazon Simple Notification Service (SNS), Software Engineering, SQL Databases, TypeScript, Delivery Pipeline, Large Language Models, Multi-Agent Systems, Apache Spark, Generative AI, Gitlab, Servicebus, Event Driven Architecture, Build Management, Data Lakes, AngularJS, Pyspark, Kubernetes, Infrastructure Automation Frameworks, Information Technology, Apache Kafka, Bitbucket, Data Management, Functional Programming, Api Gateway, Restful APIs, Amazon Simple Queue Service (SQS), Terraform, Jenkins, Databricks, Microservices - **Published:** September 26, 2026 - **Apply:** https://www.juju.com/job/16_c73ba5042 ## About the Role * 5-8 years of software engineering with expertise in scalable UX-driven applications and distributed systems. * Proven design and build experience with REST APIs, microservices, Kubernetes, and distributed systems. * Experience in Data Warehousing, Data Lakes, Delta Lake, and modern big data ecosystems. * Hands-on in Python, Java, Angular with strong OOP and functional programming skills. * Experience with PySpark and Apache Spark for high-performance distributed data processing. * Depth in microservices with Kubernetes for eventing and serving. * Experience with AWS services such as S3, Lambda, API Gateway, and EventBridge. * Strong experience with Kafka, SNS, SQS, and databases including PostgreSQL, SQL Server, Aurora, DynamoDB, MongoDB, and Redis. * Hands-on with IaC tools such as Terraform and Ansible. * Understanding of CI/CD and DevOps using Jenkins, GitHub/GitLab, Bitbucket, GoCD, and automated pipelines. * Experience implementing unit, integration, and regression testing with best practices. * Strong analytical skills to diagnose and solve complex technical problems. * Exposure to Generative AI technologies including LLMs, RAG, and agentic systems. * Nice to have: PySpark with Databricks, Azure and/or GCP experience, and data platforms in privacy-safe CDP or MarTech environments., * B.E./B.Tech/M.Tech/MCA in Computer Science, Information Technology, or a related field. ## Description Our client seeks a Senior Software Engineer for the CDP team to drive design, delivery, technical strategy, and execution for cloud-native data platforms. You will define engineering standards, mentor engineers, and ensure the platform scales securely and reliably. You will work across Java, Python, Spark, TypeScript, JavaScript, Angular, AWS services, event-driven architectures, and SQL/NoSQL databases to deliver performant, resilient solutions aligned with business 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: $65.00 to $75.00/hr. w2, * Deliver large-scale cloud-native data platforms on AWS leveraging REST APIs, microservices, and event-driven applications to build scalable and resilient systems. * Work hands-on across the stack including Java, Python, Spark, TypeScript, JavaScript, Angular, AWS services, event-driven architectures, and SQL/NoSQL databases. * Drive optimization for performance, scalability, reliability, security, governance, and cost efficiency. * Collaborate with global engineering, product management, architecture, and business stakeholders to align solutions with strategic objectives. * Own the end-to-end SDLC including requirements, design, development, deployment, observability, and documentation. ## Related Videos - [Leveraging Real time data in FSIs](https://www.wearedevelopers.com/videos/806-leveraging-real-time-data-in-fsis) - [Reducing LLM Calls with Vector Search Patterns - Raphael De Lio (Redis)](https://www.wearedevelopers.com/videos/1714-reducing-llm-calls-with-vector-search-patterns-raphael-de-lio-redis) - [Innovating Developer Tools with AI: Insights from GitHub Next](https://www.wearedevelopers.com/videos/1268-innovating-developer-tools-with-ai-insights-from-github-next) - [Alibaba Big Data and Machine Learning Technology](https://www.wearedevelopers.com/videos/37-alibaba-big-data-and-machine-learning-technology) - [NoSQL Data Modeling for Front-end Developers](https://www.wearedevelopers.com/videos/297-nosql-data-modeling-for-front-end-developers) - [From Messy Queries to Scalable Systems - How Data Engineering actually works](https://www.wearedevelopers.com/videos/100203-from-messy-queries-to-scalable-systems-how-data-engineering-actually-works) ## Related Articles - [Highest Paying Tech Companies for Developers](https://www.wearedevelopers.com/magazine/220-highest-paying-tech-companies-for-developers) - [How We Built a Worry-Free System That Runs for 10+ Years – And What We’d Do Again](https://www.wearedevelopers.com/magazine/751-how-we-built-a-worry-free-system-that-runs-for-10-years-and-what-we-d-do-again) - [Software Engineer Salary London](https://www.wearedevelopers.com/magazine/252-software-engineer-salary-london) - [Best Countries for Software Engineers](https://www.wearedevelopers.com/magazine/267-best-countries-for-software-engineers) - [Data Engineer Salary UK](https://www.wearedevelopers.com/magazine/253-data-engineer-salary-uk) - [The Best X (Twitter) Accounts for Developers](https://www.wearedevelopers.com/magazine/294-the-best-x-twitter-accounts-for-developers)