Backend Engineer

• Establish and maintain active monitoring of ANSI X12 277CA claim acknowledgment transactions to confirm payers have received submitted claims
• Implement a tracking and escalation process for claims that have not received 277CA acknowledgment within defined payer-specific windows
• Partner with the Front End Revenue Cycle Manager and Engineering to ensure clean claim submission and minimize rejection rates at the clearinghouse level
• Maintain working knowledge of clearinghouse workflows and claim status tracking capabilities
• Own the Athena Health AR aging report — ensuring it accurately reflects payment status and is actively worked on a defined cadence
• Establish AR follow-up workflows by payer and aging bucket, with defined SLAs and escalation paths for each tier
• Drive systematic reduction of the over-180-day AR balance through targeted payer follow-up, appeals, and collections activity
• Coordinate with Finance and the Manager/Director of Operational Effectiveness to ensure AR balances in Athena are accurately reflected in Zuora and NetSuite through a defined reconciliation process
• Identify and escalate AR balances where the insurance collection path has been exhausted and the employer guarantee of payment clause may apply
• Build and manage a structured denial work queue in Athena Health with assigned ownership, defined SLAs, and a clear resubmission process for each denial reason code
• Analyze denial trends by payer, reason code, and service line to identify root causes and implement upstream controls to prevent recurrence
• Prioritize denial resolution based on dollar value and timely filing window expiration — ensuring high-value, near-deadline denials are worked first
• Establish appeals workflows for payer-specific appeal processes, including supporting documentation requirements and submission timelines
• Monitor denial overturn rates by payer and reason code, and use outcomes data to refine appeal strategies
• Partner with the Front End Revenue Cycle Manager to address eligibility-driven denials at the root — denials reflecting coverage terminations that should have been caught upstream
• Manage the collections process for both claims-billed payer populations
• Establish payer-specific follow-up protocols including call queues, correspondence templates, and escalation timelines
• Coordinate with Client Success on employer group collections, including communication protocols and escalation to the employer guarantee of payment process when appropriate
• Monitor and report on cash collection rates by payer against contracted PMPM rates, identifying and investigating variances
• Recruit, onboard, and develop back-end RCM staff including AR follow-up specialists, denial management analysts, and collectors
• Establish competency requirements, training programs, and performance expectations for all back-end positions — with particular emphasis on experienced denial management and collections hires
• Conduct regular AR review sessions with staff to ensure accounts are being worked effectively and escalations are appropriate
• Build a culture of accountability, data-driven decision making, and continuous improvement within the back-end team

Senior Manager, Back End Revenue Cycle

• You will work on cross-functional teams to build scalable systems for our government -- designing, implementing, and delivering services that millions of Americans depend on.
• You care deeply about working on technology that improves people’s lives, but don’t think technology is always the answer.
• You are passionate about building large-scale systems that are inclusive, well-designed, fast, scalable, and secure, and you'll help set high standards for our teams in terms of simplicity, empathy, and accessibility.
• The Sr. Software Engineer role will be responsible for developing end to end systems for one of Nava's major government partners.
• The objective is to modernize an existing legacy enterprise platform to enable users to have more access to the programs and services that they need.
• This individual will be involved in everything, from strategy and planning through to post-production testing and support.

Software Engineer – Backend, Java

• resolve problems with end-to-end solutions in a fast, agile environment
• develop software and systems from vision to production-ready
• help clients overcome their most difficult challenges
• ensure solutions consider current architecture and future functionality

.NET Software Engineer

• Execute all position responsibilities in alignment with Slingshot’s core values, mission, and purpose
• Work across the technology team with product managers, designers, and engineers to build rightsized solutions that advance Slingshot’s SOIA capabilities
• Meet product requirements in a timely manner while not compromising operational stability
• Participate in Agile software development and deployment processes
• Provide ongoing support for services and applications that are mission critical to real-time space operations intelligence
• Communicate methods, findings, and hypotheses with stakeholders
• Work across both frontend and backend services to deliver value to internal and external users
• Build data platforms/pipelines, microservices, interactions with AI agents, and distributed systems powering SOIA workflows
• Build and document APIs (REST, GraphQL) supporting high volume, real-time data flows
• Develop advanced data interfaces and interactive user experiences that streamline operator decision cycles
• Turn architecture ideas into technical specifications that can be executed by anyone on the team

Senior Backend Engineer, Space Operations Intelligence – Autonomy

• Work with fellow Nava engineers to design, review, and build well-crafted software
• Collaborate with government partners and other contractors to architect, implement, and deploy new systems and improvements to existing systems
• Work in an agile manner to efficiently ship new features that meet user needs
• Create tools and processes to automate our development, testing, and production workflows
• Write and review technical documentation, performing code reviews
• Participate in an on-call rotation to support production systems and investigate issues when they occur
• Take part in hiring activities (e.g., submitting referrals, conducting interviews, and attending interview debriefs), as needed

Software Engineer, Senior – Python

• Architect and oversee backend service ecosystems built with .NET (C#/.NET Core) and Python.
• Define front-end architecture patterns and guide implementation of scalable React applications.Lead 3D visualization and UI architecture using Three.js for interactive, data‑driven interfaces.
• Lead database architecture for SQL Server: schema design, indexing strategies, performance optimization.
• Architect caching, messaging, and high-speed data layers using Redis or similar in-memory systems.
• Design and govern RAG architectures, vector search integrations, and retrieval‑optimized AI solutions.
• Define patterns and frameworks for Agentic AI workflows (LangChain, AutoGen, DSPy, etc.).
• Establish Secure SDLC, architecture governance, code quality, and CI/CD standards.
• Conduct architecture reviews, perform threat modeling, and ensure compliance with best practices.
• Guide resolution of complex production, system, and performance challenges across distributed systems.
• Drive cloud-native architecture on AWS, including containerization, Kubernetes, networking, and security.
• Partner with product, security, and engineering leadership to align architecture with business goals.

Senior Technical Architect

Software Engineer, Ruby

• Writing secure, correct, efficient, clear and supportable “production ready” code that meets internal standards and industry best practice.
• Enhance and extend our existing products, including device management, microservices, and WPF (Windows Presentation Foundation) applications to deliver seamless experiences to our customers.
• Design and build APIs that integrate with internal and external services and contribute to overall system functionality.
• Clarifying and communicating engineering requirements for new products, features, quality improvements, or design changes.
• Track progress, update stakeholders, communicate with peers and broader team through stand-ups, regular updates on work items.
• Implement industry-standard security practices to safeguard both customer and internal data.
• Ensure thorough testing of code, participate in code reviews, and proactively resolve bugs and performance bottlenecks.

Software Engineer, Backend

• Lead the planning and execution of the migration from self-managed SQL Server on EC2 to AWS RDS (SQL Server)
• Drive database cost optimization: right-sizing instances, evaluating reserved Instances, storage tiering, and eliminating unnecessary licensing costs
• Upskill and mentor the existing Hospice SQL DBA team on AWS database operations, RDS management, and cloud best practices
• Establish cloud-native database monitoring, alerting, and performance baselines using Datadog and CloudWatch
• Design and implement automated backup, restore, and disaster recovery processes using AWS Backup
• Perform query optimization, index management, and capacity planning
• Collaborate with the DevOps team on infrastructure automation (Terraform for RDS)
• Ensure HITRUST E1 compliance for all database systems (encryption, access controls, audit logging)
• Support the Hospice application team with database-related development needs
• Evaluate future database modernization opportunities (PostgreSQL, Aurora) for the 2027 roadmap

Senior Database Engineer

• Architect and deliver Drupal sites that are fully compliant with standards for design, accessibility, security, and performance
• Write automated tests that support the delivery of quality software
• Help define and support your application’s path to production
• Work with less experienced engineers to level up their skills
• Work directly with stakeholders and team members to set and manage expectations throughout the life of the project
• Operate within an agile development process

Software Engineer, Drupal

• Play a critical part in ensuring Gainwell is meeting our clients’ objectives in important areas.
• Performs change order coding and research
• Codes, tests, debugs, implements, and documents programs.
• Assists in the modification of company products and/or customer/internal systems to meet the needs of the client and/or end-user.
• Gathers information from the system, analyzes program and time requirements, and prepares documentation to change existing programs.
• Research and analysis of existing systems and program requirements, under periodic supervision.
• Designs programs for projects or enhancements to existing programs.
• Writes specifications for programs of low to moderate complexity.
• Assists in resolving production support problems.
• Develop and suggest alternative approaches to resolving problems.
• Develop test plans to verify logic of new or modified programs.
• Identifies issues as appropriate.
• Creates appropriate documentation in work assignments such as program code, and technical documentation.
• Conducts quality assurance activities such as peer reviews.

Senior UI Developer, .NET C#/AWS/SQL

• Lead the design and implementation of scalable data platforms and pipelines using PySpark, Spark, and Python
• Drive adoption and best practices for Palantir Foundry (data pipelines, ontology, workflows, and operational applications)
• Architect and optimize high-performance data processing solutions for large-scale datasets
• Provide technical leadership and mentorship to data engineers, ensuring code quality and best practices
• Collaborate with cross-functional teams (business, analytics, data science) to translate requirements into scalable solutions
• Design robust data models, ETL/ELT frameworks, and data integration strategies
• Ensure data quality, governance, security, and compliance across enterprise data platforms
• Lead performance tuning, troubleshooting, and optimization of data pipelines
• Drive CI/CD implementation, code reviews, and release management
• Stay current with emerging data engineering technologies and recommend improvements

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