Senior Software Engineer, Lightning Intelligence

  • Full-time

Company Description

Block is one company built from many blocks, all united by the same purpose of economic empowerment. The blocks that form our foundational teams — People, Finance, Counsel, Hardware, Information Security, Platform Infrastructure Engineering, and more — provide support and guidance at the corporate level. They work across business groups and around the globe, spanning time zones and disciplines to develop inclusive People policies, forecast finances, give legal counsel, safeguard systems, nurture new initiatives, and more. Every challenge creates possibilities, and we need different perspectives to see them all. Bring yours to Block.

Job Description

Our Lightning Intelligence team is part of our Bitcoin Platform team which sits within TBD's business. We pride ourselves on being the first publicly traded company to adopt Bitcoin's Lightning network here at Block. Over the years, Lightning usage has increased and we're doubling down on providing tools and services to augment sending and receiving Lightning payments. The Lightning Intelligence team is looking for engineers to help improve and expand Lightning usage at Block. One of our first projects is improving data about the lightning network and helping our partners make more informed decisions when they peer with other nodes and send payments. 

As a key member of our Lightning Intelligence team, you won’t just be tasked with software development; we seek a visionary committed to our values. Your role will be innovating and building a robust risk management service, and working closely with our product and compliance teams. You will play a key role in protecting our ecosystem, ensuring compliance with regulatory standards while also balancing the privacy-preserving ethos of the Lightning Network.  

In this role you will: 

  • Design and build the first systems to help Bitcoin Platform to assess and act quickly on risks to our Lightning services

  • Integrate with third party data sources, to feed in additional attribution data to our risk engine 

  • Work closely with cross-functional stakeholders to gather and refine requirements

  • End to end own the life cycle of the systems that you will build, from design to release and beyond


You have:

  • 6+ years of experience in developing large-scale platforms and backend systems

  • A strong motivation to contribute to a meaningful product that will fundamentally change the way people interact with financial institutions

  • Experience working with Bitcoin/Lightning or the desire to learn.

  • Experience working across teams and disciplines.

  • Experience building backend systems at scale, involving modern eventing, database, and infrastructure tooling

  • A pragmatic approach with a focus on delivery.

  • Ability to excel in macro and micro elements of software design.

  • Willingness to contribute to the growth of those around you.

  • Demonstrated technical initiative and leadership on previous projects.

Technologies we use and teach:

  • Go, Kotlin, Java

  • AWS, Terraform, Docker, Kubernetes

  • Datastores of all kinds (such as MySQL, DynamoDB, and Snowflake)

  • Monitoring and visualization tools (such as Datadog and Looker)

Additional Information

Block takes a market-based approach to pay, and pay may vary depending on your location. U.S. locations are categorized into one of four zones based on a cost of labor index for that geographic area. The successful candidate’s starting pay will be determined based on job-related skills, experience, qualifications, work location, and market conditions. These ranges may be modified in the future.

Zone A: USD $198,000 - USD $297,000
Zone B: USD $188,100 - USD $282,100
Zone C: USD $178,200 - USD $267,400
Zone D: USD $168,300 - USD $252,500

To find a location’s zone designation, please refer to this resource. If a location of interest is not listed, please speak with a recruiter for additional information. 

Full-time employee benefits include the following:

  • Healthcare coverage (Medical, Vision and Dental insurance)
  • Health Savings Account and Flexible Spending Account
  • Retirement Plans including company match 
  • Employee Stock Purchase Program
  • Wellness programs, including access to mental health, 1:1 financial planners, and a monthly wellness allowance 
  • Paid parental and caregiving leave
  • Paid time off (including 12 paid holidays)
  • Paid sick leave (1 hour per 26 hours worked (max 80 hours per calendar year to the extent legally permissible) for non-exempt employees and covered by our Flexible Time Off policy for exempt employees) 
  • Learning and Development resources
  • Paid Life insurance, AD&D, and disability benefits 

These benefits are further detailed in Block's policies. This role is also eligible to participate in Block's equity plan subject to the terms of the applicable plans and policies, and may be eligible for a sign-on bonus. Sales roles may be eligible to participate in a commission plan subject to the terms of the applicable plans and policies. Pay and benefits are subject to change at any time, consistent with the terms of any applicable compensation or benefit plans.

US and Canada EEOC Statement

We’re working to build a more inclusive economy where our customers have equal access to opportunity, and we strive to live by these same values in building our workplace. Block is a proud equal opportunity employer. We work hard to evaluate all employees and job applicants consistently, without regard to race, color, religion, gender, national origin, age, disability, pregnancy, gender expression or identity, sexual orientation, citizenship, or any other legally protected class. 

We believe in being fair, and are committed to an inclusive interview experience, including providing reasonable accommodations to disabled applicants throughout the recruitment process. We encourage applicants to share any needed accommodations with their recruiter, who will treat these requests as confidentially as possible. Want to learn more about what we’re doing to build a workplace that is fair and square? Check out our I+D page.

Additionally, we consider qualified applicants with criminal histories for employment on our team, and always assess candidates on an individualized basis.


Block, Inc. (NYSE: SQ) is a global technology company with a focus on financial services. Made up of Square, Cash App, Spiral, TIDAL, and TBD, we build tools to help more people access the economy. Square helps sellers run and grow their businesses with its integrated ecosystem of commerce solutions, business software, and banking services. With Cash App, anyone can easily send, spend, or invest their money in stocks or Bitcoin. Spiral (formerly Square Crypto) builds and funds free, open-source Bitcoin projects. Artists use TIDAL to help them succeed as entrepreneurs and connect more deeply with fans. TBD is building an open developer platform to make it easier to access Bitcoin and other blockchain technologies without having to go through an institution.

While there is no specific deadline to apply for this role, on average, U.S. open roles are posted for 70 days before being filled by a successful candidate.

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