Private markets are one of the largest, most complex, and most underserved corners of global finance. Our mission at Juniper Square is to unlock their full potential. We’re the Operations Partner trusted by 2,300+ GPs, unifying technology, data, and fund administration services into a single platform that helps GPs move faster, make better decisions, and scale with precision. With $300B+ under administration and 700,000+ LPs on platform, we’ve built the scale to match our ambition. And with JunieAI, our purpose-built AI platform, we’re reimagining how private markets operate, embedding intelligence across every workflow. Founder-led since 2014, backed by $350M+ in funding, and now 1,000+ employees strong, we’re building a company designed to shape the future of private markets for decades to come.
Our culture is built for people who want to do ambitious, meaningful work alongside exceptionally talented teammates. We think like owners, move with urgency, and take pride in solving hard problems that truly matter to our customers and the future of private markets. We believe the best ideas come from open debate, deep collaboration, and diverse perspectives, which is why we believe transparency is the default and feedback makes us stronger. If you’re energized by high standards, rapid growth, and the opportunity to help define a category at a pivotal moment, come join us!
Juniper Square offers employees a variety of ways to work, ranging from a fully remote experience to working full-time in one of our physical offices. We invest heavily in digital-first operations, allowing our teams to collaborate effectively across 27 U.S. states, 2 Canadian Provinces, India, Luxembourg, and England. We also have physical offices in San Francisco, New York City, Mumbai and Bangalore for employees who prefer to work in an office some or all of the time.
About the RoleAs a Principal Engineer, you will drive the team’s technical direction and play a pivotal role in designing and architecting accounting software systems. This role involves mentoring team members, solving complex technical challenges, and delivering hands on contributions as a full stack leader.
You will work closely with engineers and cross functional partners across Product, Design, and Quality Assurance to expand system capabilities. Your leadership will be instrumental in achieving the team’s objectives and advancing our technical vision.
Own Technical Direction and Architecture
• Set the technical direction for AI systems, including shared AI SDKs, guardrails, evaluation frameworks, feedback systems, and agentic workflow infrastructure
• Own architecture and technical strategy for complex backend and AI platform systems, from design through production
• Lead technical design for ambiguous, cross functional initiatives, evaluating tradeoffs, aligning stakeholders, and driving implementation
• Evaluate and select technologies with a bias toward what ships well and scales sustainably
Build and Operate AI Systems
• Write production code as a hands on individual contributor, this is not a role that delegates implementation to others
• Design and operate LLM powered systems, including RAG pipelines, agentic workflows, evaluation infrastructure, guardrails, and model observability
• Own end to end reliability of AI systems, from design through structured output delivery
• Define quality benchmarks
Champion AI Native Development
• Champion and embed AI native development practices and tools, such as Cursor and Augment, to drive meaningful productivity gains across the team
• Foster a culture of rapid iteration, high velocity, and quality, including guiding the effective use of AI code generation
• Bring strong, informed opinions on how to get the most from AI assisted development while maintaining reliability and correctness
Lead and Grow the Team
• Mentor engineers, raise the quality of technical decision making, and help the team execute with consistency
• Establish coding standards, review practices, and architectural documentation that scale as the team grows
• Help define what “good” looks like for a team building at speed without sacrificing quality
• Partner with recruiting to build and grow the team
Collaborate Cross Functionally
• Work closely with Engineering Managers, Product, Design, and QA to translate requirements into executable technical plans
• Participate actively in design reviews and roadmap discussions with a grounded, implementation level perspective
• Handle most cross team conflicts and technical decisions autonomously
• Ability to critically evaluate AI generated code and outputs, including identifying failure modes, regressions, and edge cases introduced by AI assisted development
• Experience building and shipping production grade software using AI assisted workflows across the full SDLC
• Hands on experience developing or integrating LLM powered systems, such as agents, copilots, tool using workflows, or multi step reasoning systems
• Familiarity with patterns such as tool calling agents, planning and execution loops, and retrieval augmented generation (RAG)
• Demonstrated ability to leverage modern AI tools to improve development velocity, code quality, and problem solving
• Experience contributing to AI powered features, such as intelligent search, conversational interfaces, recommendations, and automation
• Working knowledge of LLMs, embeddings, semantic search, and RAG pipelines
• Ability to identify and evaluate opportunities to integrate AI capabilities into products and workflows
• Bachelor’s degree in Computer Science or equivalent work experience
• 13 to 17 years of experience in software development across building, integration, security, and architecture
• Previous experience building enterprise grade APIs is a plus
• Previous experience leading a team is a plus
• Expertise in object oriented programming with Python as the primary language
• Experience with front end technologies such as React, CSS frameworks, HTML, and JavaScript
• Experience with relational databases such as Postgres and MySQL
• Experience with SQL database schema design and query optimisation.
• Experience with cloud technologies, preferably AWS, and container technologies such as Docker and Kubernetes
• Experience with GraphQL and Apollo Server is a plus, but not required
• You must be flexible and adaptable, and comfortable operating in a fast paced startup environment
At Juniper Square, we believe building a diverse workforce and an inclusive culture makes us a better company. If this role sounds like a fit, we encourage you to apply even if you do not meet all of the qualifications.
Skills Required
- 10+ years of experience designing, building, and supporting large scale systems in production
- Expertise in Python and frameworks like FastAPI, Flask, Pyramid, Django
- Experience with SQL database schema design and query optimizations
- Experience with cloud technologies, e.g. AWS, Docker, Kubernetes
- Experience with continuous integration and Infrastructure as Code
- Experience with microservices/SOA implementation and best practices
- Experience with modern API design patterns (GraphQL, REST, gRPC)
Juniper Square Compensation & Benefits Highlights
The following summarizes recurring compensation and benefits themes identified from responses generated by popular LLMs to common candidate questions about Juniper Square and has not been reviewed or approved by Juniper Square.
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Parental & Family Support — Paid parental and family leave is frequently characterized as generous, with structured return‑to‑work support referenced. Feedback suggests family‑forming and caregiver supports are a notable strength.
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Leave & Time Off Breadth — Unlimited PTO alongside paid holidays and sick time is consistently highlighted. Team practices like no‑meeting days and flexible scheduling further support time away.
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Wellbeing & Lifestyle Benefits — A digital‑first, remote‑friendly setup is reinforced by home‑office stipends, setup reimbursements, and expanded mental‑health support. Feedback suggests these perks materially improve daily work flexibility and wellbeing.
Juniper Square Insights
What We Do
At Juniper Square, we work hard every day to set the bar high in the work we do. We bring out the very best in each other without sacrificing kindness, quality, and the willingness to learn. You will see that every function and team is given respect here, because when any one of us wins, we all win. We bring a beginner’s mind to our work, not ego—enabling learning and creative and critical thinking. Some people talk about transparency, but here we treat you like the owner that you are: We share knowledge and information with all our employees, knowing that informed teams are successful teams (and happy ones too).
Why Work With Us
Our vision is to make the world’s private capital markets more efficient, transparent, and accessible through financial technology. We have an opportunity to transform an enormous and important industry, and we feel lucky to be working with the most talented, kindest, and most ambitious colleagues of our careers. Come join us!
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