Source Job

$229,000–$240,000/yr
US

  • Lead AI strategy and execution, integrating AI into core products and accelerating development workflows.
  • Architect and build complex, scalable systems and AI-driven features using technologies like Python, Java, AWS, and GCP.
  • Provide technical leadership, mentorship, and cross-functional collaboration to solve complex problems and drive successful outcomes.

Python AWS AI/ML Software Architecture Technical Leadership

20 jobs similar to Principal Software Engineer

Jobs ranked by similarity.

$194,000–$228,000/yr
US

  • Design, build, and ship LLM-powered features and agentic workflows for Gametime users.
  • Build and maintain evaluation frameworks and prompt testing pipelines for AI-powered experiences.
  • Contribute to orchestration layer, including agent routing, tool use, and multi-step workflow coordination.

Gametime helps people connect through shared live experiences. They operate platforms on iOS, Android, mobile web, and desktop, supporting over 60,000 events across the US and Canada, fostering a collaborative and inclusive environment where diverse perspectives are valued.

US Global

  • Define end-to-end architecture for AI/ML and Gen AI systems.
  • Serve as a strategic advisor to clients, leading solution design discussions.
  • Architect scalable solutions using cloud-native AI tools.

3Pillar Global provides a flexible work environment with a remote-first approach, offering opportunities for global teamwork and leveraging diverse resources. They focus on well-being, career growth, and diversity.

$90,000–$150,000/yr
US

  • Design and deliver production AI and agentic systems across document intelligence, workflow automation, and copilots.
  • Define architecture decisions for LLM-based systems, including retrieval, tool use, orchestration, memory, and evaluation.
  • Own evals and observability for production AI and manage cost and latency at production volume.

Maxwell is a mortgage technology and fulfillment company with a mission to make lending simpler, faster, and more accessible. They power hundreds of lending institutions with their mortgage Point of Sale and related capabilities and are a remote-first team that takes craft seriously.

  • Define and execute software engineering strategy aligned with business objectives.
  • Lead AI initiatives to enhance research delivery and customer experience.
  • Strengthen platform security and technical infrastructure.

Informa TechTarget informs, influences, and connects technology buyers and sellers to accelerate growth. They offer expert-led, data-driven, and digitally enabled services with over 220 technology-specific websites and 50 million permissioned first-party audience members.

  • Consult clients during presales to assess AI readiness and translate visions into actionable requirements.
  • Architect multi-agent frameworks, design AI systems with defined roles, and implement learning & feedback loops.
  • Develop RAG pipelines, design custom models, and ensure governance, security, and cost-efficiency.

Sigma Software is seeking a Senior/Principal AI Engineer to join their Stellar AdTech Business Unit. They deliver innovative systems to global AdTech leaders and startups since 2008, with a strong AdTech competence center of 300+ employees.

Global Unlimited PTO

  • Diagnose business problems before building solutions, mapping workflows and confirming AI is the right intervention.
  • Own AI initiatives end-to-end, from stakeholder discovery and technical design through implementation and iteration.
  • Improve organizational flow by building solutions that reduce bottlenecks and increase throughput, measuring success using flow metrics.

GitLab is the intelligent orchestration platform for DevSecOps, enabling organizations to increase developer productivity, improve operational efficiency, reduce security and compliance risk, and accelerate digital transformation. GitLab has more than 50 million registered users and a high-performance culture driven by its values and continuous knowledge exchange.

$180,000–$220,000/yr
US

  • Play a key role in the company’s AI strategy and make a meaningful impact across the whole platform.
  • Lead development efforts, mentor engineers and product managers, and make key architectural decisions involving AI.
  • Architect end-to-end AI systems and use data-driven solutions to address complex cybersecurity problems.

AppOmni prevents SaaS data breaches by delivering end-to-end SaaS security. Recognized as a Frost Radar™ 2025 Leader and Great Place To Work ®, AppOmni continues to set the standard for innovation and customer value in SaaS security.

Europe

  • Lead the adoption of AI across the engineering function by designing agentic workflows and building RAG systems.
  • Prototype and deploy AI-powered solutions, translating business problems into scalable architectures.
  • Pioneer AI within the product delivery team and provide AI thought leadership across the organization.

HSP Group provides global expansion services, helping companies simplify the complex challenges of operating internationally. As a Stage B startup, they focus on delivering value through relentless innovation, execution, and customer delight.

$107,000–$168,000/yr
US

  • Translate product vision into production-ready code, working closely with Product Managers to turn business goals into actionable plans.
  • Help drive the transition to a self-service model, ensuring infrastructure remains performant across new global regions as the team and technology scales.
  • Take end-to-end ownership of service health, including participating in design docs and implementing robust monitoring/alerting.

Addepar is a global data and AI platform that empowers investment professionals to turn complex financial information into actionable intelligence. More than 1,400 firms manage and advise on nearly $9 trillion in assets, and we strive to promote a welcoming environment, and inclusion and belonging are held as a shared responsibility.

$0–$0/yr
US Canada

  • Design, build, and ship agentic workflows across multiple domains.
  • Build multi-step agents capable of autonomous planning, context tracking, memory, tool use, and API orchestration.
  • Drive technical and architectural decisions to meet product requirements while also anticipating and designing for future needs

Cority helps customers see and prevent risks across their operations in real time. Our EHS+ platform converges people, data, and AI agents to provide a clear view of information people can trust. For 40 years, Cority has been the market leader in EHS+, recognized by top analysts and trusted by more than 1,500 of the most complex organizations worldwide.

$185,000–$195,000/yr
US Canada Unlimited PTO 2w maternity

  • Lead AI tool discovery and vendor evaluation efforts across the evolving AI ecosystem.
  • Partner cross-functionally with departments to identify opportunities for AI integration within workflows and business processes.
  • Establish and maintain governance frameworks, including responsible AI policies, prompting standards, data privacy guidelines, and best practices.

Intersect develops, constructs, and operates power and data infrastructure. The company is on an aggressive growth trajectory and looking for people hungry to tackle the largest energy challenges on the planet.

$195,000–$270,000/yr
US

  • Serve as the primary resource for internal AI initiatives, bridging Product, Engineering, Data, and GTM teams to prioritize high-impact opportunities and build the AI PD Operations roadmap.
  • Build and lead a high-performing AI PD Ops organization, designing and implementing AI-enabled workflow automations to reduce cycle times across Product Delivery teams.
  • Define and monitor AI adoption, performance, and ROI metrics while ensuring all tools and workflows align with governance, security, and compliance standards.

Engine is transforming business travel into something personalized, rewarding, and simple by building a platform that brings together corporate travel, a powerful charge card, and modern spend management in one place. The company is cash flow positive with rapid growth, supporting over 20,000 companies and 1 million travelers, and has been recognized as one of the fastest-growing travel and fintech platforms in North America with a culture of innovation.

$275,000–$325,000/yr
US

  • Focus on driving technical excellence and scalable product delivery.
  • Embed AI capabilities across the Cyara platform.
  • Lead global engineering organizations and customer-centric innovation in CX assurance.

Cyara is the world’s leading Automated CX Assurance Platform. They are trusted by global brands to deliver exceptional customer experiences with less effort, cost, and risk. Their culture values innovation, curiosity, diversity, and delivering excellence for their customers.

Colombia

  • Design, implement, and deploy ML/AI models end-to-end, from concept through production, including data pipelines, training workflows, and optimization.
  • Maintain and evolve AI systems in production, monitoring for drift, debugging issues, and driving ongoing improvements to reliability and scalability.
  • Partner closely with product, engineering, and data teams to align AI work with broader product and business goals.

Robots & Pencils is an applied AI engineering firm that designs and ships AI co-workers integrating into operations and delivering results for clients. Founded in 2009, they have delivery centers in Canada, the United States, Eastern Europe, and Latin America, with teams averaging 15+ years of experience.

  • Lead technical execution across backend, frontend, mobile, AI, and data initiatives
  • Translate ambiguous product goals into clear technical plans, milestones, owners, and trade-offs
  • Dive deep into hard technical problems and help drive them to resolution

Sekai is building the TikTok for mini apps — an AI-driven consumer platform where people create, remix, share, and play interactive content instantly. They are a Series A company backed by Khosla, a16z, Mayfield, and A*, with $30M raised to date.

$200,000–$300,000/yr
US

  • Build 0-1 AI systems transforming core brokering workflows, from processing complex commercial policies to enabling brokers to manage renewals simultaneously.
  • Embed directly with brokering teams, underwriters, and operations to identify automation opportunities, building solutions side-by-side with users.
  • Ship production-ready AI features delivering measurable impact, reducing quote turnaround time and increasing broker capacity through intelligent market matching.

Newfront, a WTW company, creates agentic services that handle routine insurance work, freeing brokers for high-stakes strategy. They deploy autonomous systems for placement, AI analysis, and workflow orchestration in small, specialized teams embedded with the business.

$170,000–$190,000/yr
US

  • Design and build AI-powered features across Lumin's digital banking platform.
  • Integrate LLMs and AI APIs into production systems with robust prompt engineering.
  • Evaluate AI outputs critically, ensuring accuracy and compliance with regulations.

Lumin Digital is a trailblazer in digital banking solutions, driven by a unique approach to technology, service, and people. We empower credit unions and banks by creating cutting-edge digital experiences. At Lumin, we thrive on curiosity and innovation, with a culture fostering trust, respect and boldness.

$125,000–$175,000/yr
US Unlimited PTO

  • Act as a trusted advisor to customers, building relationships with technical and business stakeholders.
  • Advise on GenAI and ML best practices, giving product demos to technical and business stakeholders.
  • Partner with product and engineering teams to drive the product roadmap and spearhead new opportunities within existing accounts.

Arize AI is transforming the world by helping teams monitor, troubleshoot, and optimize their AI systems with its AI & Agent Engineering observability and evaluation platform. They are a Series C company backed by top-tier investors, with over $135M in funding and a rapidly growing customer base.

Global

  • Design, build, and implement an end-to-end AI-powered tender response platform.
  • Develop and maintain backend services and AI workflows using AWS-native technologies.
  • Build and manage infrastructure using Terraform and cloud-native best practices.

Smart Working believes that your job should not only look right on paper but also feel right every day. They break down geographic barriers and connect skilled professionals with outstanding global teams and products for full-time, long-term roles.

US

  • Design, build, and maintain production-grade AI systems and customer-facing AI features.
  • Develop agentic workflows using LLMs, retrieval systems, tools, APIs, and backend services.
  • Design and implement retrieval-augmented generation (RAG) systems, including ingestion pipelines, embeddings, semantic retrieval, and context assembly.

Givzey is a fast-growing and innovative technology company serving the nonprofit sector, on a mission to unlock more generosity through AI-powered donor engagement. In just three years, Givzey’s platform has already helped organizations raise $10M+ through autonomous engagement.