Senior Software Engineer

Leadership Connect

$90K — $120K *
Information Technology
5 - 7 years of experience
Job Overview by Ladders

Qualifications

  • 5+ years of professional software engineering experience with production systems.
  • Strong backend fundamentals: API design, testing, debugging, and performance.
  • Production experience in Kotlin (preferred) or another JVM language.
  • Proficient in Spring Boot and its ecosystem or equivalent frameworks.
  • Solid production experience with React and TypeScript.

Responsibilities

  • Design, build, and maintain backend services and APIs for customer-facing applications.
  • Develop and enhance frontend features using React/TypeScript.
  • Improve shared libraries for microservices used across the platform.
  • Propose and build the first version of greenfield projects, iterating based on user feedback.
  • Collaborate with cross-functional teams to define requirements and ensure efficient releases.
  • Engage in planning, design, code review, and deployment using Agile methodologies.
  • Suggest pragmatic improvements that influence the product direction.

Benefits

  • Awesome Extended Health Care Plan
  • Dental Care
  • Life & Disability insurance
  • Health spending accounts
  • Unlimited Vacation Leave
  • 12 Paid Holidays
  • $3,000 Employee Referral Program
  • Employer contribution to VRSP
  • Rewards and recognition programs
Full Job Description
About the Role

We're hiring a senior full-stack engineer to make a major contribution across the LCI platform. You'll ship features end-to-end on our Ariadne product, strengthen the shared services and libraries that every team depends on, and help shape new greenfield initiatives. The work spans backend services in Kotlin/Spring Boot, a React/TypeScript frontend, and the cloud infrastructure that ties them together. You'll own problems from fuzzy idea to production - designing, implementing, shipping, watching them run, and iterating.

Core Functions of the Role

  • Design, build, and maintain backend services and APIs that power our customer-facing applications.
  • Build and evolve frontend features in React/TypeScript that surface those capabilities to end users.
  • Contribute to and improve the shared libraries (API models, auth, messaging, AWS utilities) used across our microservices ecosystem.
  • Take on greenfield work - propose architecture, build the first version, and iterate based on real usage.
  • Collaborate across engineering, product, and design to define requirements, iterate quickly, and deliver reliable releases.
  • Participate in planning, design, code review, deployment, and on-call rotation using Agile practices.
  • Propose pragmatic solutions and improvements that directly influence product direction.


Required Qualifications

  • 5+ years of professional software engineering experience building and operating production systems.
  • Strong backend fundamentals: API design, testing, debugging, performance, and operational thinking.
  • Production experience in Kotlin or another JVM language (Java/Scala). Kotlin strongly preferred.
  • Production experience with Spring Boot and the broader Spring ecosystem (or demonstrated ability to ramp quickly with equivalent framework experience).
  • Demonstrated production experience with React and TypeScript
  • Experience working in a real microservices architecture with cross-service communication.
  • Experience with at least one authentication/identity system (JWT, SAML/SSO, OAuth, passwordless).
  • Experience with event-driven systems and message brokers (RabbitMQ, SQS, Kafka, or similar) and the eventual-consistency trade-offs they imply.
  • Experience building B2B SaaS, ideally multi-tenant.
  • Solid understanding of relational databases (PostgreSQL preferred), data modeling, and query patterns.
  • Comfortable working in a small team with high ownership and ambiguous problems.


Preferred Qualifications

  • Experience with Redis (caching, pub/sub) in production.
  • Experience with Elasticsearch / OpenSearch in production.
  • Experience with Hibernate / JPA, including audit-logging frameworks (e.g., Envers).
  • AWS depth - S3, SQS, Secrets Manager, ECS, Lambda, CloudFront.
  • Containerized deployment experience (Docker, ECS, CI/CD).
  • Experience with SAML2 / SSO federation (e.g., OpenAthens, Okta, Azure AD).
  • Experience integrating LLMs or AI workflows into production applications.
  • Experience with Gradle (Kotlin DSL) and multi-module JVM builds.


What Is It Like to Work Here?

We foster an environment that encourages all our team members to excel by offering competitive compensation for top talent. We believe in creating a friendly and enjoyable workplace, with regular team-building events, happy hours, and more. Transparency is key within our company, and we hold monthly town halls led by our CEO to address questions regarding business plans, product direction, and company goals. In addition, we provide flexible PTO policies to ensure you can enjoy your time outside the office and focus on your personal life.

Are you ready to join our dynamic team and build meaningful relationships that make a difference? Apply today!

Benefits/Rewards:
  • Awesome Extended Health Care Plan
  • Dental Care
  • Life & Disability insurance
  • Health spending accounts
  • Unlimited Vacation Leave
  • 12 Paid Holidays
  • $3,000 Employee Referral Program
  • Employer contribution to VRSP
  • Rewards and recognition programs


If you're excited about this role but don't meet 100% of the requirements, we still want to hear from you!

Leadership Connect is committed to building a diverse and inclusive workforce where unique experiences are valued and everyone has the opportunity to contribute. Research has continuously shown that women and people of color are less likely to apply for jobs unless they meet all of the listed qualifications. We want to help overcome this trend and seek to make space for unique and relevant skills and attributes. So, when applying to Leadership Connect we focus on evaluation based on key competencies needed for success in the position. We look forward to receiving your application!

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