Source Job

$180,000–$250,000/yr
North America

  • Design, build, and ship production software inside client engagements.
  • Lead architecture and technical decisions across engagements, setting the standard for what ships.
  • Mentor and develop other engineers through code review, pairing, and day-to-day work.

Software Architecture System Design Client Communication AI Tools

18 jobs similar to Principal Software Developer

Jobs ranked by similarity.

$145,000–$190,000/yr
North America

  • Design, build, and ship production software inside client engagements, from core operational systems to new products and services.
  • Own complex or ambiguous areas of a product or system, from shaping the problem through to release.
  • Mentor peers and raise the quality of your team's decisions through code review.

Substantial builds the software companies run on, and the products and services they offer. They work in small teams within an established company, focusing on leading-edge technology and direct client collaboration.

UK

  • Define and own technical architecture for client systems, using AI as a force multiplier.
  • Mentor engineers and direct reviews, raising the whole team's output and AI fluency.
  • Balance commercial judgement and hands-on delivery across the full stack.

CreateFuture is a UK digital consultancy building digital products and services for major organisations like PayPal and Adidas. With over 500 people, it has a supportive, friendly culture and is repeatedly recognised as a Best Workplace in the UK.

US

  • Own solutions end to end: capture requirements, architect with AI coding tools, and validate production-ready code.
  • Convert customer needs into specs and acceptance criteria for AI-assisted development across enterprise systems.
  • Lead production integration, deployments, and knowledge transfer while ensuring compliance with ATO/RMF, Section 508, and NIST.

NetImpact Strategies builds AI-powered software for Federal agencies, serving as a trusted advisor for digital transformation. Recognized as a Top Workplace by The Washington Post multiple years, the company fosters a collaborative, results-oriented culture with a focus on customer intimacy.

US

  • Own the architecture and technical strategy of client projects, ensuring scalable, maintainable solutions that meet business goals.
  • Communicate directly with stakeholders to translate complex business needs into technical solutions and requirements.
  • Mentor engineers, lead code reviews, and drive technical excellence across the team.

Cabin is a boutique digital innovation consultancy specializing in product discovery, design, and delivery. Its culture emphasizes deep focus, high-impact problem-solving, and long-term partnerships, fostering collaboration and innovation.

$151,535–$220,881/yr
US 12w maternity 12w paternity

  • Drive platform engineering and strategy for clients, connecting long-term technical vision to shipped software.
  • Advise on architecture, scalability, and modernization, balancing technical choices with business outcomes.
  • Mentor client engineering teams and lead technical discussions while modeling our values.

8th Light is a technology solutions consultancy that partners with organizations from early-stage startups to the world's largest companies to solve hard software challenges. Founded in 2006, we foster an open, collaborative culture grounded in continuous education, mentorship, and honesty.

US

  • Design and deploy AI agents that automate sales, operations, and support workflows.
  • Own technical delivery end-to-end, from architecture to production and post-launch improvements.
  • Work directly with clients to understand workflows and explain technical tradeoffs.

Stello is an AI transformation firm that partners with mid-market and enterprise companies to automate repetitive work with AI agents. They work across sales, operations, and customer support, deploying solutions inside existing client tools.

Lead Engineer

BJAK
Global

  • Lead technical design and execution of major products and engineering initiatives end-to-end.
  • Stay hands-on coding, reviewing, debugging, and solving production issues daily.
  • Mentor engineers, set high engineering bar, and drive architecture decisions.

BJAK is a mobile-first insurance platform that makes insurance accessible online and is expanding into spending, saving, investing, and more across Southeast Asia. With over 20 nationalities working from offices and remotely, the team is mission-driven and focused on building next-generation financial products.

US

  • Lead design and development of complex software systems, including AI-powered capabilities like semantic search and RAG architectures.
  • Collaborate cross-functionally to translate business requirements into scalable, maintainable technical designs.
  • Mentor and coach engineers while championing AI-assisted development tools and best practices.

OnBoard provides board management software that helps boards function at a higher level so organizations can make a bigger difference in the world. Serving more than 5,000 organizations and 12,000 boards worldwide, OnBoard is a growing, casual, fun, and philanthropic company backed by JMI Equity.

  • Write production code daily and modernize the SDLC with CI, tests, staging, feature flags, and coding agents.
  • Coach the existing engineering team and set the roadmap with the GM.
  • Put AI in the product with retrieval, tool use, evals, and guardrails.

Beacon Holdings acquires and operates vertical SaaS companies, scaling through software and AI rather than headcount. The firm has raised $550M+ from top investors and values humility, honesty, hunger, and horizon.

North America Unlimited PTO

  • Lead Granum's Architecture team and drive technical roadmap execution as a hands-on player/coach.
  • Own architectural standards, platform upgrades, and security across the portfolio.
  • Support an AI-native development model with clear patterns for engineers and agents.

Granum is a leading software company serving landscapers and arborists across North America, bringing together LMN, SingleOps, and Greenius. The company has a collaborative, innovative culture and has been recognized with multiple best-place-to-work awards.

UK 5w PTO

  • Design and build the hardest parts of the platform, setting technical direction across teams.
  • Integrate AI models, data pipelines, and event-driven systems on Databricks and Snowflake.
  • Maintain quality through code reviews, automated testing, observability, and CI/CD.

OAG is the essential intelligence partner transforming global travel, combining unmatched data quality with breakthrough technology. The culture is progressive, non-hierarchical, and innovation-driven, with flexible working and inclusive family benefits.

US

  • Set the technical direction for AI engineering across the team: agent architecture patterns, evaluation methodology, deployment and monitoring strategies
  • Design the AI platform layer, including shared agent frameworks, tool integrations, and evaluation infrastructure
  • Work directly with clients on the most complex engagements, identifying new problem domains and ensuring production quality

Addepar is a global data and AI platform empowering investment professionals to turn complex financial information into actionable intelligence. With over 1,500 firms in 60 countries managing nearly $10 trillion in assets, Addepar fosters a culture of ownership, collaboration, and innovation.

$170,000–$205,000/yr
US

  • Own client engagements from pre-sales demonstrations through architecture, integration, implementation, and post-launch support.
  • Design and build production AI agent systems that connect with healthcare platforms such as EHRs, claims systems, and CRMs.
  • Lead technical working sessions and present solutions to executive and technical stakeholders.

This healthcare AI company deploys production AI agent systems for health systems, providers, and life sciences organizations. The team focuses on delivering client engagements and bringing field insights back to its platform.

US

  • Partner directly with clients to turn ambiguous business challenges into clear technical plans and prototypes.
  • Build and deploy AI-enabled applications, agentic workflows, APIs, data pipelines, and full-stack products.
  • Engineer reliable agent harnesses, evaluation frameworks, and safeguards to ensure production-ready AI systems.

TribalScale is a digital innovation firm that partners with clients to build transformative digital products, modernize technology platforms, and apply AI to meaningful business challenges. The team values curiosity, ownership, practical innovation, and lives by principles of meritocracy, empowerment, and transparency.

US

  • Lead customer discovery and translate requirements into production-ready solution architectures and implementation plans.
  • Architect and build enterprise applications using Appian, Salesforce, cloud-native services, or hybrid approaches.
  • Use AI-assisted development tools to accelerate code, tests, and documentation while ensuring security and production readiness.

NetImpact Strategies is a digital transformation consultancy helping federal agencies modernize through cloud, process automation, data, and cybersecurity. It is a multipyear Washington Post Top Workplace with a dynamic, collaborative culture.

$230,000–$287,500/yr
US Unlimited PTO 12w maternity 12w paternity

  • Lead deal teams to win new engagements by proposing architecture, shaping scope, and earning technical trust.
  • Represent 8th Light in the market through talks, writing, and in-person events to build relationships.
  • Shape the firm's go-to-market direction and sharpen service offerings around AI and platform expertise.

8th Light is a technology solutions provider that partners with organizations to solve meaningful challenges through digital product strategy, AI, and engineering. Founded in 2006, the company fosters an open, collaborative culture grounded in honesty and continuous learning.

Canada Unlimited PTO

  • Design end-to-end technical solutions integrating Ada's AI Agent with client systems like CRMs and contact centres.
  • Lead technical deep dives with client business and engineering teams, turning business goals into clear technical requirements.
  • Drive complex pre-sales deals from scoping to production, serving as the trusted technical advisor to clients and Customer Success.

Ada is an AI customer service platform that helps enterprise brands automate and personalize customer interactions at scale. Established in 2016 with over $250M in funding, Ada has powered 5.5 billion+ interactions and values personal growth and continuous improvement.

US

  • Lead Magna's software engineering organization across multiple products and lines of business, developing leaders and driving team performance.
  • Oversee engineering delivery, operational excellence, and software quality, translating business priorities into disciplined execution.
  • Partner with the CTO, Product, and operational leaders to modernize platforms and deliver AI-enabled capabilities.

Magna Legal Services provides comprehensive legal support to law firms, corporations, insurance carriers, and government agencies at every stage of a case. The company's culture emphasizes expertise, dedication, and professionalism, allowing employees to do meaningful work and grow their careers.