Lead Software Engineer

Keller Schroeder is seeking a Lead Software Engineer for a remote, 9-month contract opportunity. The role involves collaborating with teams to drive innovation and modern engineering practices while managing cloud infrastructure and developing scalable integrations using various technologies.

Responsibilities:

• Partner with peers and leaders across organizational boundaries; communicate effectively across technical and non-technical teams
• Establish credibility as an engineer and technical leader; collaborate with architects and principal engineers to drive innovation, automation, and modern engineering practices
• Design, create, and manage cloud infrastructure and services in AWS
• Design and build scalable integrations with external vendors and internal systems using REST APIs, GraphQL, and enterprise integration patterns
• Design and implement API-led connectivity patterns (System, Process, Experience APIs) using GraphQL for reliable data exchange across internal and external systems
• Develop automated data quality checks to ensure accuracy, completeness, and reliability of ingested data and downstream calculations
• Develop queries, analytical reports, and present insights to business and technical stakeholders
• Build and integrate RESTful APIs and backend microservices
• Write clean, maintainable, testable code across the full stack
• Participate in code reviews, sprint planning, and Agile/Scrum ceremonies
• Troubleshoot and resolve issues across the application, integration, and data stack
• Design frameworks for collecting, transforming, combining, and publishing customer data
• Identify trends and patterns in complex datasets and present actionable insights using data visualization tools
• [Optional] Design and develop responsive web applications and dashboards using Angular
• [Optional] Translate product wireframes and mockups into high-quality, scalable UI code
• [Optional] Ensure UI/UX feasibility, performance optimization, accessibility, and cross-browser compatibility

Requirements:

• 5–7+ years of experience as a senior software Engineer / Staff software engineer in consumer finance or similar domains (loans, servicing, collections, insurance, or financial products)
• Strong foundation in mathematics, statistics, computer science, or data science
• Proficient on AWS native services with expert knowledge on VPC, S3, CloudFront, EC2, SNS, SQS, Kinesis, ActiveMQ, Step Functions, OpenSearch/Elastic
• Expert-level proficiency in Python required; experience with Java or C# is a plus
• Strong experience with AWS services including Kubernetes/EKS, ECS, Lambda, API Gateway, DynamoDB, and RDS
• Hands-on experience building cloud-based microservices and integration layers, including GraphQL
• Hands-on experience with GraphQL and Apollo Router for API federation and schema management
• Experience designing and supporting API integrations, orchestration, and data transformations using MuleSoft
• Proficiency in SQL and Python for data analysis, querying, and reporting
• Hands-on experience with databases such as PostgreSQL, Redshift, Snowflake, or NoSQL systems
• Proficient on CI/CD tools such as Jenkins, GitLab, and familiar with Jira and Confluence
• Strong communication skills with the ability to present findings to non-technical audiences
• Ability to manage multiple priorities and meet deadlines
• Prior experience in financial services or consumer lending domains
• AWS certifications (Solutions Architect, Developer, or equivalent)
• 3–5+ years of professional front-end experience with Angular, including HTML5, CSS3/SCSS, JavaScript/TypeScript
• Strong understanding of responsive design, accessibility, and UI/UX principles
• Experience integrating REST APIs using JSON and HTTP protocols
• Design and develop responsive web applications and dashboards using Angular
• Translate product wireframes and mockups into high-quality, scalable UI code
• Ensure UI/UX feasibility, performance optimization, accessibility, and cross-browser compatibility