Principal Engineer, Billing Systems Design Job at T-Mobile (Frisco)

Principal Product Manager - Monetization Services

At JFrog, we’re reinventing DevOps to help the world’s greatest companies innova...

Location

Israel , Netanya/Tel Aviv

Salary:

Not provided

JFrog

Expiration Date

Until further notice

Requirements

7+ years of product management experience, with significant ownership over complex, business-critical systems
Strong technical background – experience in engineering, R&D, or deep technical product leadership
Experience building and scaling internal-facing platform or financial products
Understanding of monetization services, billing systems, financial workflows, entitlements, provisioning, and cross-system integrations
Proven experience delivering cross-functional, multi-system solutions involving platforms such as Salesforce, Zuora, NetSuite, or equivalent ERP/CRM/financial systems
Ability to work with numerous stakeholders, manage dependencies, and drive execution under pressure
Strong interpersonal and communication skills, with the ability to influence across engineering, business, and executive levels
Hands-on experience with project management for large, cross-functional initiatives
Experience working in high-growth, global SaaS companies

Job Responsibility

Drive Product Strategy: Identify market opportunities, define product vision, and gather customer requirements
Own the Lifecycle: Lead your product from ideation to launch, ensuring alignment with customer needs and high-quality execution
Leverage Data: Design, experiment, and iterate based on customer feedback, market research, and usage metrics
Collaborate Cross-Functionally: Partner with Information Systems, Finance, Sales, Support, Marketing, and Engineering to deliver scalable and efficient platform solutions
Build Relationships: Foster trust and alignment across internal and external stakeholders to bring your vision to life

New

Design Engineer - Nuclear Valves

Celeros Flow Technology LLC has an immediate opening for a Design Engineer to pr...

Location

United States , Houston

Salary:

90000.00 - 105000.00 USD / Year

Celeros Flow Technology

Expiration Date

Until further notice

Requirements

Bachelor's degree (BS) from four-year college or university in Mechanical Engineering or a related field
Minimum of 2 or more years of experience in a mechanical product design role, preferably in either the valve product or nuclear power industry
Must have experience in the valve industry and/or nuclear industry
Must have the ability to apply mathematical concepts and operations to develop and check design validity
Must have the ability to design and generate creative mechanical solutions
translate concepts and information into images
apply design principles, solve practical problems, and deal with a variety of concrete variables in situations where only limited standardization exists
Must be able to demonstrate attention to detail, problem-solving and analytical skills, and the ability to read and understand blueprints
Must have excellent communication skills, be self-motivated, a self-starter, have a sense of urgency, be personable and well organized
Must be able to perform the principal duties and responsibilities of the position and be able to work responsibly without close supervision individually and collaborate in a team environment

Job Responsibility

Perform engineering calculations, design, and analysis as required to ensure and maintain structural and mechanical integrity of new and existing products
Write engineering specifications, procedures and reports as required
Update existing assembly and manufacturing procedures as required
Participate in Technical Evaluations of safety related products to determine critical characteristics to be used in commercial grade dedication as required by nuclear power industry codes and regulations
Create new and revise existing commercial grade dedication instructions
Review customer specifications and inquiries to evaluate the compliance of existing designs and resolve any conflicts or ambiguities
Communicate effectively with project management and customers to get clarification and understanding of order requirements if necessary
Review existing bills of materials and drawings and check against quotation and purchase order documents to ensure accuracy and adequacy of the design and documentation
Check and/or approve drawings, bills of material, specifications and reports as required
Maintain up to date knowledge of codes and standards such as ASME B16.34, ASME B&PV Code Sections I, II, III and VIII, NQA-1, 10 CFR Part 21, etc

What we offer

Health Insurance (effective on start date)
Dental/Vision (effective on start date)
Flexible Spending Accounts/Health Savings Accounts
Life Insurance/Disability/Accident/Critical Illness
401(k) Savings Plan with generous company match
Tuition Reimbursement
Paid time off/Generous Holiday Schedule

Fulltime

New

Principal Software Engineer, Money Infrastructure

This is a Principal Product Engineering role focused on Money Infrastructure at ...

Location

United States , Foster City

Salary:

250000.00 - 340000.00 USD / Year

Replit

Expiration Date

Until further notice

Requirements

8+ years of professional software engineering experience, with strong backend expertise
Hands-on experience building or operating at least one of the following: Subscription or recurring billing platforms
Usage-based or metered billing systems
Payment processing platforms
SaaS taxation or compliance systems
Tokenization or credits-based systems
Strong system design skills, especially for high-reliability, high-correctness domains like money
Comfort working autonomously in ambiguous, fast-moving environments with high business impact
Excellent debugging and problem-solving skills, including handling complex billing edge cases and failure modes
Experience building customer-facing billing or payments interfaces that simplify complex pricing models

Job Responsibility

Lead the design, architecture, and implementation of Replit’s core money infrastructure, spanning pricing, billing, payments, and monetization
Own and scale the global order-to-cash foundation supporting credit-based subscriptions, usage-based billing, marketplaces, in-app payments, and commerce for Agents
Enable rapid pricing and packaging experimentation across the company by building flexible abstractions and APIs for new SKUs, plans, and monetization models
Build high-converting, localized payment experiences across geographies — thinking globally while enabling users to pay locally
Power builder monetization by creating payment rails for apps, Agents, subscriptions, and new monetization primitives
Partner closely on data specifications with finance, accounting, and data teams to produce accurate, auditable, and reliable financial data
Collaborate with external monetization and payments partners (e.g. billing platforms, payment processors) to accelerate execution
Create monitoring, observability, and feedback systems to proactively detect issues, resolve failures, and optimize performance across financial flows

What we offer

Competitive Salary & Equity
401(k) Program with a 4% match
Health, Dental, Vision and Life Insurance
Short Term and Long Term Disability
Paid Parental, Medical, Caregiver Leave
Commuter Benefits
Monthly Wellness Stipend
Autonomous Work Environment
In Office Set-Up Reimbursement
Flexible Time Off (FTO) + Holidays

Fulltime

Business Systems Architect Principal

The Business Systems Architect Principal is central to BT International’s transf...

Location

Hungary , Budapest

Salary:

Not provided

Plusnet

Expiration Date

Until further notice

Requirements

Strategic Architecture Leadership – Proven ability to define and communicate architectural vision for complex business systems landscapes, with track record driving large-scale transformation programmes in regulated telco environments
Business Systems Domain Expertise – Deep understanding of BAU systems (sales, service, enterprise applications) and service operations platforms (service desk, AI Ops, lead-to-cash, billing, inventory) with knowledge of how these capabilities support business operations and cost optimisation
Systems Integration – Extensive experience linking together various IT systems, services and software across BAU applications, service operations platforms and NaaS capabilities to enable functional operation and support business processes
Vendor and Stakeholder Management – Strong ability to work with SaaS platforms and enterprise vendors as strategic partners, negotiate technical implementations and manage complex stakeholder relationships across business and operational teams
Modernisation Patterns – Expert knowledge of incremental modernisation approaches including service operations automation, AI-driven process optimisation and cloud-native patterns that balance operational continuity with transformation
Technical Depth – Hands-on background in business systems integration and service operations with coding capability, enabling credibility with engineering teams and active participation in technical spikes when needed
Operational Excellence – Understanding of comprehensive observability, service resilience and operational automation approaches including metrics, logging, distributed tracing and telemetry pipelines for business systems
NaaS Integration Understanding – Knowledge of how BAU systems integrate with network-as-a-service models, enabling sales and service operations to leverage aaS capabilities whilst maintaining operational stability
Leadership and Influence – Ability to lead blended IT teams (support, maintenance, BAU systems, service operations) through transformation, build consensus across organisational boundaries and develop technical leadership capability in operational functions
Extensive experience leading IT systems and BSS architecture in telecommunications or complex B2B environments, with demonstrated success modernizing legacy landscapes across multiple system domains

Job Responsibility

Define and lead the architectural strategy for business systems across BAU applications (sales, service, enterprise) and service operations (AI Ops, Service Desk, L2C including Pricing/Design/Quoting/SRM, billing, inventory), establishing target state architecture that optimises legacy systems whilst designing future-ready capabilities
Own the business systems portfolio optimisation roadmap, making strategic keep/modernise/retire decisions for BAU systems and service operations platforms based on technical fitness, cost-effectiveness and alignment with asset-light, NaaS-based operating model
Establish systems integration approaches that link together BAU applications, service operations platforms and NaaS capabilities, enabling functional operation across sales, service and enterprise systems whilst supporting business processes
Lead vendor strategy for business systems platforms including SaaS applications, enterprise systems and service operations tools, negotiating strategic partnerships that simplify IT landscape whilst aligning with aaS business needs and reducing vendor dependencies
Champion modern architecture patterns including service operations automation, AI-driven process optimisation, billing automation, inventory accuracy improvement and self-service capabilities that reduce manual propensity and improve cost-to-serve metrics
Design for operational excellence by establishing comprehensive observability across business systems including metrics, logging, distributed tracing and telemetry that enable proactive issue detection and support continuous improvement in service delivery
Collaborate with Data and AI architects to leverage data platforms and AI capabilities for business intelligence, service automation and customer insights, ensuring business systems generate valuable data and support AI-driven process improvements
Drive architectural governance through design reviews and architecture conformance processes, ensuring business systems initiatives align with enterprise standards, security requirements and support transformation to asset-light operating model
Build and mentor Business Systems architects who work with BAU operations and service delivery teams, establishing technical leadership capability and fostering architectural thinking across support, maintenance and enterprise systems functions
Work with engineering leadership to establish integration patterns that connect business systems with NaaS capabilities, enabling sales and service operations to leverage network-as-a-service whilst maintaining operational stability and cost-effectiveness

What we offer

Cafeteria package - HUF 600,000/ year
Performance-based bonus
Comprehensive private health care package for all the employees, which can be extended to family members
Nursery support for mothers returning from maternity
Extended paternity leave: 10+10 day fully paid days
Commuting allowance
Home office allowance
Employee discount opportunities
Highly affordable mobile packages for the family as well
New high-class offices both in Budapest and Debrecen

Fulltime

Principal Architect, Systems

T-Mobile for Business IT is seeking a seasoned Principal Solutions Architect to ...

Location

United States , Bellevue; Frisco

Salary:

123800.00 - 223300.00 USD / Year

T-Mobile

Expiration Date

Until further notice

Requirements

7–10 years of experience in: Telecom environments focused on customer-facing B2B product delivery
Enterprise systems architecture or infrastructure design at scale in regulated environments
5+ years of experience in: Architecting or integrating Salesforce, ERP, and enterprise backend systems
Working with customer-facing tools and ecosystems (e.g., Angular, Spring Boot, NBA)
Experience with BSS/OSS systems, commerce engines, and 3rd-party vendor ecosystems
Strong understanding of federal compliance requirements, security standards, and data protection in the context of enterprise customers
At least 18 years of age
Legally authorized to work in the United States

Job Responsibility

Architect End-to-End B2B Experiences: Design scalable and secure solutions across onboarding, servicing, and commerce flows for T-Mobile’s enterprise and federal customer base
Drive Standards and Governance: Define, enforce, and evolve architectural standards for integration across BSS/OSS systems and partner platforms
Lead Strategic Integrations: Provide architectural leadership across Salesforce, ERP, billing, commerce, and customer management systems
Secure and Compliant Design: Ensure platform architectures adhere to regulatory and compliance requirements including USGCI, CPNI, and enterprise-grade data governance
Partner multi-functionally: Collaborate with product managers, UX teams, and engineering leads to deliver cohesive mobile-optimized experiences
Champion Platform Modernization: Lead initiatives for cloud-native development, containerization, API-first design, and data enrichment for transaction processing
Evaluate and Recommend Technology: Lead partner evaluations and proof-of-concepts for emerging B2B capabilities and vendor technologies
Deliver Enterprise-Ready Documentation: Maintain architecture blueprints, system documentation, and reusable patterns for development and operational use
Advisory and Thought Leadership: Act as a domain expert on B2B telco trends, platform evolution, and innovation pipelines for customer engagement

What we offer

Competitive base salary and compensation package
Annual stock grant
Employee stock purchase plan
401(k)
Access to free, year-round money coaches
Medical, dental and vision insurance
Flexible spending account
Paid time off
Up to 12 paid holidays
Paid parental and family leave

Fulltime

Principal Software Engineer

Microsoft’s Azure Data engineering team is leading the transformation of analyti...

Location

India , Hyderabad

Salary:

Not provided

Microsoft Corporation

Expiration Date

Until further notice

Requirements

Bachelor's Degree in Computer Science, Math, Software Engineering, Computer Engineering, or related field AND 12+ years experience in software development, architecture/design, data modeling or data engineering work
Master's Degree in Computer Science, Math, Software Engineering, Computer Engineering, or related field AND 10+ year(s) experience in software development, architecture/design, data modeling or data engineering work
equivalent experience
Excellent communication skills and the ability to work effectively in a multidisciplinary team
Proven experience designing, building, and operating large-scale, distributed cloud services with strong focus on reliability, scalability, and performance
Strong operational discipline with the ability to manage live-site health, respond to randomization, and consistently deliver high-quality outcomes
Ability to meet Microsoft, customer and/or government security screening requirements
This position will be required to pass the Microsoft Cloud background check upon hire/transfer and every two years thereafter.

Job Responsibility

Lead the design, development, and validation of core platform components, ensuring service fundamentals around reliability, monitoring, security, performance, and engineering systems
Drive architectural decisions for complex distributed systems that power billing across all Microsoft services
Partner across Microsoft teams to shape the underlying design of shared components, ensuring alignment with the broader Microsoft ecosystem and long-term technical direction
Lead critical pipeline components that run all Microsoft billing workloads, providing unified and accurate usage reporting across Azure, Office, and other services
Influence and mentor engineers across the team and organization, raising the bar for technical excellence, collaboration, and live-site culture.

Fulltime

IT Systems Architect Principal

The IT Systems Architect Principal is central to BT International's ability to d...

Location

Hungary , Budapest

Salary:

Not provided

Plusnet

Expiration Date

Until further notice

Requirements

Strategic Architecture Leadership – Proven ability to define and communicate architectural vision for complex enterprise landscapes, with track record driving large-scale modernization programs in regulated industries
BSS Domain Expertise – Deep understanding of telco BSS systems including billing, order management, product catalog, CPQ and customer lifecycle management, with knowledge of how these capabilities support business operations
Platform Integration Architecture – Extensive experience designing API-first integration architectures, event-driven patterns and service abstraction layers that enable loose coupling in complex system landscapes
Vendor and Stakeholder Management – Strong ability to work with enterprise software vendors as strategic partners, negotiate technical implementations and manage complex stakeholder relationships across business and technology teams
Modernization Patterns – Expert knowledge of incremental modernization approaches that minimize risk while enabling continuous delivery
Technical Depth – Hands-on background in systems integration and architecture with coding capability in at least one language, enabling credibility with engineering teams and hands-on spike work when needed
Platform Engineering Mindset – Understanding of platform-as-a-product principles, developer experience design and how to build self-service capabilities that enable team autonomy at scale
Telco Transformation Context – Experience navigating organizational and technical challenges of telco modernization including regulatory requirements, billing accuracy, revenue assurance and operational continuity
Leadership and Influence – Ability to lead through influence rather than authority, build consensus across organizational boundaries and develop technical leadership capability in others
Strong engineering background with hands-on experience in software development or systems engineering, demonstrating technical credibility through active contribution to architecture implementations, POCs and technical spikes

Job Responsibility

Define and lead the architectural strategy for IT systems and BSS modernization across BT International, establishing the target state architecture that guides system rationalization, vendor consolidation and platform transformation initiatives
Own the application portfolio rationalization roadmap, making strategic keep/modernize/retire decisions based on technical fitness, business value and architectural alignment while managing stakeholder expectations
Establish API-first integration architecture that decouples BSS systems from each other and from product applications, creating clear service boundaries that enable independent team delivery and reduce system dependencies
Lead vendor rationalization strategy across SaaS platforms, on-premise systems and cloud-based solutions, reducing vendor dependencies through strategic build vs buy decisions and phasing out unnecessary third-party systems in favor of composable in-house capabilities
Champion modern architecture patterns including microservices, event-driven integration and API gateways that enable incremental transformation without big-bang rewrites
Collaborate with Data and AI architects to ensure IT systems generate high-quality data with proper lineage and governance, enabling analytics and AI capabilities across the platform
Drive architectural governance through design reviews and architecture conformance processes, ensuring solutions align with platform standards while empowering team autonomy and decision-making
Participate in technical spike work and proof-of-concepts to validate architectural decisions, evaluate integration approaches and prove out modernization strategies before committing to full implementation
Provide technical thought leadership on emerging platform architecture trends including composable architecture, API management and platform engineering, translating these into roadmaps that align with BT International's platform strategy
Mentor architects and engineers, fostering architectural thinking and technical leadership capability across both the architecture and product engineering organizations

What we offer

Cafeteria package - HUF 600,000/ year
Performance-based bonus
Comprehensive private health care package for all the employees, which can be extended to family members
Nursery support for mothers returning from maternity
Extended paternity leave: 10+10 day fully paid days
Commuting allowance
Home office allowance
Employee discount opportunities
Highly affordable mobile packages for the family as well
New high-class offices both in Budapest and Debrecen

Fulltime

Principal AI Architect

We are seeking a Principal AI Architect who will own both the AI strategy and en...

Location

United States

Salary:

173000.00 - 190000.00 USD / Year

PointClickCare

Expiration Date

Until further notice

Requirements

12+ years of experience in enterprise, solution, or platform architecture roles within B2B SaaS or large-scale technology organizations
Proven experience designing and running AI systems in real production environments
Strong experience working across end-to-end B2B SaaS customer and revenue lifecycles including marketing, sales, quoting, contracting, billing, revenue recognition, service, and customer success platforms
Experience designing enterprise architecture for HR and corporate technology domains, with the ability to take ownership of these platforms and drive solution architecture without dependency on specific vendors or tools
Deep understanding of Generative AI, large language models, agent architectures, RAG patterns, and AI orchestration frameworks
Strong proficiency in Python with experience building backend services, APIs, and containerized workloads
Hands-on experience with LLM platforms such as OpenAI, Azure OpenAI, or Anthropic
Hands-on experience with agent frameworks such as LangChain, LangGraph, CrewAI, or AutoGen
Experience designing secure, scalable, multi-tenant enterprise and SaaS architectures
Experience leading architecture for large-scale business and technology transformation programs

Job Responsibility

Define and drive enterprise AI strategy and architecture within a B2B SaaS and enterprise technology environment
Design and govern AI solutions across the full customer lifecycle including marketing, sales, solution engineering, quoting, contracting, billing, revenue recognition, service, and customer success management
Architect and scale Generative AI, agent-based systems, RAG architectures, and intelligent automation in production SaaS platforms
Own enterprise architecture across core business and corporate platforms including customer, revenue, and operational systems such as CRM, quoting, contracting, billing, HR, and IT Service Management environments, with the ability to rapidly learn new technologies and design scalable solution architectures independent of specific tools or vendors
Architect and develop agentic enterprise capabilities that enhance business operations, workload orchestration, and user-facing automation
Design and implement LLM-powered agents using platforms such as Microsoft Copilot Studio and Salesforce Agentforce
Design orchestration patterns using frameworks and platforms such as Salesforce Agentforce, Microsoft Copilot, LangGraph, CrewAI, and LangChain to enable multi-agent collaboration across systems
Define architectural guardrails, platform standards, and lifecycle management practices for scalable, secure AI and enterprise systems
Act as a technical authority to review, challenge, and guide vendor, system integrator, and internal team architectures
Lead architecture governance by defining review frameworks, validating solution designs, and driving alignment to enterprise standards

What we offer

Benefits starting from Day 1
Retirement Plan Matching
Flexible Paid Time Off
Wellness Support Programs and Resources
Parental & Caregiver Leaves
Fertility & Adoption Support
Continuous Development Support Program
Employee Assistance Program
Allyship and Inclusion Communities
Employee Recognition … and more

Fulltime

Principal Engineer, Billing Systems Design

T-Mobile

Location:
United States , Frisco ▼
Bothell

Category:
IT - Software Development

Contract Type:
Not provided

Salary:

Job Description:

Job Responsibility:

Requirements:

Additional Information:

Job Posted:
January 07, 2026

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