Senior Software Engineer, Processing

Lithic

. Ensure high reliability, low latency, and correctness for Lithic's transaction processing interfaces and related services .

Posted 9/17/2026full-timeNew York City • New York • United StatesSenior💰 $160,000 - $200,000 per yearWebsite

Core Competencies

Role fit

Core Competencies

Use this summary to align your resume positioning with the role.

Demonstrates expertise in developing reliable, secure, and scalable transaction processing systems while leading cross-functional projects in fast-paced production environments. Strong focus on continuous improvement, strategic planning, and effective communication within engineering and product teams.

Highest-signal resume keywords

Distributed System DesignCross-Functional Project ManagementTransaction Processing InterfacesScalable Code DevelopmentFintech Industry Knowledge

ATS Keywords

Tailor your resume

Applicant Tracking System Keywords

Tip: use these terms in your resume and cover letter to boost ATS matches.

Hard Skills

Transaction ProcessingAuthorization SystemsClearing and SettlementDispute ManagementNetwork IntegrationInfrastructure DevelopmentCode ReliabilityLow Latency SystemsTech Debt ManagementProduction Environment Experience

Soft Skills

EmpathyInclusionExcellent CommunicationGrowth MindsetContinuous Learning

Industry Keywords

FintechPaymentsStakeholder ManagementOn-Call RotationStrategic Planning

About the role

Key responsibilities & impact

Ensure high reliability, low latency, and correctness for Lithic's transaction processing interfaces and related services
Develop new capabilities across authorization, clearing/settlement, disputes, and network integration surfaces
Ensure that the team is delivering reliable, secure, and scalable code with minimal tech debt
Evolve infrastructure supporting physical network peering with card network partners, ensuring connectivity, failover, and capacity meet reliability requirements
Own initiatives from planning to launch, keeping stakeholders informed and aligned
Participate in the team on-call rotation
Lead efforts to improve systems and processes within the team and across engineering
Help drive strategic planning with the engineering manager and product manager

Requirements

What you’ll need

8+ years experience shipping code in fast paced production environments
Advanced distributed system instincts and design skills
Experience driving large cross-functional projects across engineering, product, and operations teams
A proven commitment to empathy and inclusion
Excellent communication skills
Growth mindset and continuous desire to learn and improve is a must
An interest in fintech and the payments space is preferred
Candidates must be located in the United States, Canada (Ontario or British Columbia), Netherlands, Poland, or Czech Republic
No visa sponsorship or assistance is offered

Benefits

Comp & perks

Unlimited PTO
12-weeks fully paid parental leave
4-Week Fully Paid Sabbatical (earned at your 5-year anniversary)
Work From Anywhere: work from anywhere in the world 4-weeks each year
3% cashback on card purchases with your complimentary Privacy.com employee account
Health, vision, and dental insurance; HSA Contribution Match
401(k) match
Voluntary Life Insurance and STD/LTD
Commuter benefit
Catered lunch every Tuesday and Thursday