hackajob · 19 hours ago
Sr. Software Engineer - Payment Services Platform
Denver, CO
Full-time
Onsite
Senior Level
$136K/yr - $204K/yr
5+ years expHackajob is collaborating with Comcast to connect them with exceptional tech professionals for this role. The Payment Services team operates as a mission-critical payment processing unit, responsible for planning, designing, monitoring, and supporting new and existing REST microservices, stand-alone applications, ETLs and reports in a 24/7/365 global environment.
Artificial Intelligence (AI)Generative AIHuman ResourcesRecruitingSoftware
Responsibilities
Design, build, and maintain production ETL workflows using Pentaho Data Integration (Spoon/Kitchen/Pan)
Implement scheduling, error handling, performance tuning, and support ETL conversion from legacy systems
Develop secure, scalable Java Spring Boot microservices and RESTful APIs, documented via Swagger/OpenAPI
Ensure containerization, CI/CD integration, and observability using Spring Boot Actuator, Elastic logs, Kibana, and AppDynamics
Write clean, tested Python 3 code for data processing and automation using pandas, requests, and deploy via Docker
Author and maintain Concourse pipelines for automated CI/CD with reusable resources and robust failure handling
Design and operate secure, cost-efficient systems on AWS (S3, EC2, RDS, Lambda, IAM, CloudWatch) using Infrastructure-as-Code (CloudFormation/Terraform)
Build performant, component-driven UIs using React JS with modern hooks, state management, and accessibility best practices
Implement solutions for card and ACH flows, refunds, chargebacks, acquirer/processor integrations, PCI-DSS compliance, and reconciliation processes
Operate production systems with on-call responsibilities, incident response, monitoring, and continuous improvement for reliability and cost optimization
Work closely with QA, BAs, DBAs, and DevOps teams for robust, end-to-end delivery
Participate in code reviews, enforce best practices via SonarQube, and contribute to Agile/Scrum workflows
Qualification
Required
Proven experience building and operating ETL workflows using Pentaho Data Integration (Spoon/Kitchen/Pan), including scheduling, error handling, performance tuning, and ETL conversion
Strong background in designing and developing secure, scalable microservices and RESTful APIs using Java (8+) & Spring Boot
Hands-on experience with data processing and automation using Python (3.x) with pandas/requests, and Docker-ready deployments
Practical experience with Couchbase NoSQL and document-based databases
Expertise in creating and maintaining Concourse CI/CD pipelines for automated builds and deployments
Experience with AWS Cloud Services including S3, EC2, RDS, Lambda, IAM, CloudWatch, and Infrastructure-as-Code (CloudFormation/Terraform)
Ability to build modern, component-driven UIs using React JS with hooks and state management
Familiarity with payment processing domain knowledge including card and ACH flows, refunds, chargebacks, PCI-DSS compliance, and reconciliation processes
Operate production systems with on-call responsibilities, incident response, monitoring, and continuous improvement for reliability and cost optimization
Work closely with QA, BAs, DBAs, and DevOps teams for robust, end-to-end delivery
Participate in code reviews, enforce best practices via SonarQube, and contribute to Agile/Scrum workflows
Bachelor's Degree
5-7 Years of relevant work experience
Preferred
Experience building performant, concurrent services using Go
Familiarity with converting ETL workflows from other tools to Pentaho
Knowledge of advanced AWS practices including cost optimization, security hardening, and serverless architectures
Experience with RabbitMQ or similar messaging platforms
Proficiency with Elastic logs, Kibana, AppDynamics, and custom monitoring solutions
Strong understanding of Oracle SQL performance tuning and Couchbase indexing strategies
Awareness of PCI-DSS and secure coding practices in payment processing systems
Comfortable working in Agile/Scrum environments and collaborating with QA, DBAs, and infrastructure teams
Benefits
Best-in-class Benefits to eligible employees
Company
hackajob
The AI-native tech hiring platform trusted by enterprises, scale-ups, and 1M+ tech professionals worldwide.
51-200 employees
Funding
Current Stage
Growth StageTotal Funding
$33MKey Investors
Volition CapitalDowning VenturesTechstars
2023-05-03Series B· $25M
2018-10-25Series A· $6.7M
2017-03-31Seed· $0.58M
Leadership Team
Mark Chaffey
CEO
Phil Kell
VP - Marketplace
Recent News
2025-10-23
2025-09-26
2025-09-12
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