Start-up Ventures: Senior Software Engineer at Wisable

The D. E. Shaw Group

$170K — $230K *
Enterprise Technology
5 - 7 years of experience
Job Overview by Ladders

Qualifications

  • Bachelor's degree in computer science, software engineering, or equivalent experience.
  • 5+ years in building and operating production systems.
  • Proficient in Python, familiarity with ReactJS is a plus.
  • Experience with distributed SaaS systems in cloud environments and PostgreSQL.
  • Strong skills in object-oriented design, SOLID principles, and design patterns.
  • Familiar with Generative AI, especially RAG pipelines; knowledge of LangChain or LangFlow is advantageous.
  • Demonstrated improvement in system reliability and performance; experience with automation.

Responsibilities

  • Design, build and maintain core systems for Wisable's internal platform.
  • Develop high-quality backend applications primarily in Python, using ReactJS for data interfaces as needed.
  • Design system architecture, including database schemas and data flow between systems.
  • Own and optimize PostgreSQL data models for complex workflows.
  • Build integrations across infrastructure components like CRMs and cloud services.
  • Develop AI-powered systems that integrate business data into workflows.
  • Improve observability and robustness of systems as the platform scales. Worked on automation to enhance operational efficiency.

Benefits

  • Participation in code reviews and continuous integration for quality assurance.
  • Opportunity to work closely with leadership to influence technical decisions.
  • Work in a fast-moving, autonomous team environment encouraging flexibility and adaptability.
Full Job Description
What you'll do day-to-day

You'll design, build, and maintain the core systems that power Wisable's internal platform, with an emphasis on reliability, scalability, and automation. Key responsibilities:
  • Develop and maintain high-quality, performant backend applications primarily in Python, with ReactJS used as needed for data-driven interfaces.
  • Design and evolve system architecture, including database schemas, service boundaries, and data flows across internal systems and external integrations.
  • Own PostgreSQL-based data models, including schema design, migrations, performance optimization, and data integrity for complex workflows.
  • Build and maintain integrations across core infrastructure components such as CRMs, document systems, cloud services, and internal tools.
  • Develop and maintain AI-powered systems, including RAG pipelines that integrate structured and unstructured business data into production workflows.
  • Improve the reliability, observability, and robustness of both AI-driven and non-AI systems as the platform scales.
  • Design and implement automation and RPA-style workflows to reduce manual effort and improve operational efficiency.
  • Optimize application performance, system latency, APIs, and overall availability.
  • Apply best practices for security, with particular focus on handling sensitive financial and business data.
  • Participate in code reviews, testing, and continuous integration to maintain a high standard of code quality.
  • Collaborate closely with non-technical leadership to gather requirements, explain technical tradeoffs, and support business decision-making.


What we're looking for

  • A bachelor's degree in computer science, software engineering, or a related field, or equivalent practical experience.
  • Five or more years of professional experience building and operating production systems.
  • Solid proficiency in Python, with familiarity in ReactJS a plus.
  • Experience designing and operating distributed SaaS systems in modern cloud environments, and solid experience with PostgreSQL and relational data modeling.
  • Ability to work with complex data structures and multi-step workflows, with a grounding in object-oriented design, SOLID principles, and common design patterns.
  • Intermediate experience in Generative AI or AI engineering, including RAG pipelines; experience with LangChain or LangFlow is a plus.
  • Demonstrated success improving system reliability, performance, and maintainability over time, and familiarity with workflow automation and background processing systems.
  • Solid understanding of security best practices, particularly around sensitive financial data.
  • Excellent communication skills and the ability to collaborate effectively in a small, autonomous, and fast-moving team.
  • Flexibility and curiosity when adapting to new tools, frameworks, and data techniques and comfort operating in an entrepreneurial, early-stage environment where priorities evolve quickly.
  • The expected annual base salary for this position is $170,000 to $230,000. There will be variable compensation in the form of a year-end bonus.


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