Posted on 
Jun 17, 2025

Sr Software Engineer (backend)

Seattle
Mid-Senior ICs
Engineering
Possible Finance
Possible Finance
Possible Finance
Series C
101-250
Finance and FinTech

At Possible, we create financial technology products that are built to benefit our customers’ economic mobility. As a Public Benefit Corporation, it’s not only our mission but our responsibility to succeed. We grow our team accordingly—through a selective process that prioritizes candidate and employee experience alike. 

Job Description

 

About the Role

------------------

We are seeking a versatile Senior Software Engineer to join our engineering team. You will design, develop, and maintain high-performance, reliable, and scalable services using Java, Spring Framework, gRPC, and GraphQL in this role. As a senior team member, you will provide technical leadership, mentor junior engineers, and drive innovation within your area of expertise.

Key Responsibilities

------------------------

  • Design, develop, and maintain microservices using Java, Spring Framework, and gRPC
  • Lead and drive complex technical projects from conception to production deployment
  • Provide technical guidance and mentorship to other engineers
  • Collaborate with cross-functional teams to define, design, and ship new features
  • Quickly write high-quality, well-tested, maintainable code
  • Conduct code reviews to ensure code quality and consistency to best practices
  • Query and resolve complex production issues
  • Contribute to architecture discussions and technical decision-making
  • Document system designs, APIs, and technical processes
  • Stay ahead of industry trends and bring innovative solutions to the team

Required Qualifications

---------------------------

  • Bachelor's degree in Computer Science, Software Engineering, or equivalent experience
  • 7+ years of professional software development experience
  • 5+ years of experience with Java and Spring Framework (Spring Boot, Spring Cloud)
  • Strong experience with gRPC and protocol buffers
  • Deep understanding of microservice architecture patterns and standard methodologies
  • Experience with AWS services and cloud architecture
  • Strong problem-solving skills and attention to detail
  • Excellent communication and collaboration skills
  • Experience working remotely and collaborating optimally with distributed teams

Preferred Qualifications

----------------------------

  • Knowledge of event-driven architectures and message queuing systems (Kafka, RabbitMQ)
  • Experience with payment processing systems and financial transactions
  • Understanding of security standard methodologies in microservices architecture
  • Experience with CI/CD practices and tools (Jenkins, GitLab CI, etc.)
  • Solid understanding of distributed systems concepts
  • Experience with GraphQL implementation and schema design

 

With the backing of our venture investors— Union Square Ventures, Canvas Ventures, Euclidean Capital, and Unlock Venture Partners — a dedicated following of hundreds of thousands of customers, and an extraordinary team, we are unwavering in our fight for financial fairness. As one of only a few FinTech Public Benefit Corporations, we’ve baked our dual dedication to building a profitable and socially impactful company into our charter; we only succeed when our customers do too. Give us a shout if you’d like to help us ship financial products that protect consumers from predatory lending practices and promote economic health.

This is a Hybrid position. We work in the office three days a week, and our office is centrally located in downtown Seattle.

The compensation range for this role is $188,000 to $197,650. We also offer significant stock options, comprehensive benefits, a bonus plan, commuter benefits, and an excellent office space with complimentary drinks and food options.

 

About the Role

We are seeking a versatile Senior Software Engineer to join our engineering team. You will design, develop, and maintain high-performance, reliable, and scalable services using Java, Spring Framework, gRPC, and GraphQL in this role. As a senior team member, you will provide technical leadership, mentor junior engineers, and drive innovation within your area of expertise.

Key Responsibilities

  • Design, develop, and maintain microservices using Java, Spring Framework, and gRPC
  • Lead and drive complex technical projects from conception to production deployment
  • Provide technical guidance and mentorship to other engineers
  • Collaborate with cross-functional teams to define, design, and ship new features
  • Quickly write high-quality, well-tested, maintainable code
  • Conduct code reviews to ensure code quality and consistency to best practices
  • Query and resolve complex production issues
  • Contribute to architecture discussions and technical decision-making
  • Document system designs, APIs, and technical processes
  • Stay ahead of industry trends and bring innovative solutions to the team

Required Qualifications

  • Bachelor's degree in Computer Science, Software Engineering, or equivalent experience
  • 7+ years of professional software development experience
  • 5+ years of experience with Java and Spring Framework (Spring Boot, Spring Cloud)
  • Strong experience with gRPC and protocol buffers
  • Deep understanding of microservice architecture patterns and standard methodologies
  • Experience with AWS services and cloud architecture
  • Strong problem-solving skills and attention to detail
  • Excellent communication and collaboration skills
  • Experience working remotely and collaborating optimally with distributed teams

Preferred Qualifications

  • Knowledge of event-driven architectures and message queuing systems (Kafka, RabbitMQ)
  • Experience with payment processing systems and financial transactions
  • Understanding of security standard methodologies in microservices architecture
  • Experience with CI/CD practices and tools (Jenkins, GitLab CI, etc.)
  • Solid understanding of distributed systems concepts
  • Experience with GraphQL implementation and schema design

 

With the backing of our venture investors— Union Square Ventures, Canvas Ventures, Euclidean Capital, and Unlock Venture Partners — a dedicated following of hundreds of thousands of customers, and an extraordinary team, we are unwavering in our fight for financial fairness. As one of only a few FinTech Public Benefit Corporations, we’ve baked our dual dedication to building a profitable and socially impactful company into our charter; we only succeed when our customers do too. Give us a shout if you’d like to help us ship financial products that protect consumers from predatory lending practices and promote economic health.

This is a Hybrid position. We work in the office three days a week, and our office is centrally located in downtown Seattle.

The compensation range for this role is $188,000 to $197,650. We also offer significant stock options, comprehensive benefits, a bonus plan, commuter benefits, and an excellent office space with complimentary drinks and food options.

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