Senior Software Engineer
$150k - $220kFinix Payments Inc
About Us
Move money. Make money. Finix is a full-stack acquirer processor, empowering businesses of all sizes with flexible, modern payment solutions. Processing billions of dollars annually, Finix enables SaaS, marketplace, and e-commerce platforms to accept payments, manage payouts, and onboard merchants seamlessly. With our no-code, low-code, and developer-friendly tools, businesses can get up and running in hours— not months.
Finix has raised over $175M, including a $75M Series C led by Acrew Capital, with participation from Lightspeed Venture Partners, Leap Global, American Express Ventures, Bain Capital Ventures, Homebrew, Inspired Capital, Sequoia Capital, Visa, and others.
About the role
The engineering team owns the delivery and stability of our product end to end. Since Finix serves as the complete payment platform of our customers’, our engineering team owns our customers’ ability to capture revenue. The Sr. Software Engineer role centers around envisioning superior technical solutions to our customers’ payment needs, leading its implementation and continuously ensuring reliable service to our customers. You will have broad autonomy and responsibility for formulating the best solution possible and working with your peers to deliver your vision. Finix is looking for a team member to join our engineering team who brings exceptional technical acumen, attention to detail, interest to grow and an obsession with building excellent, performing and scalable software.
You will
- Deep dive into our customers’ needs, and work with product management to define new services
- Own the technical vision, implementation, best practices and infrastructure within your domain
- Develop close relationships with product management and peer engineers
- Become an expert in your payments domain and mentor junior software engineers
- Proactively improve our architecture, frameworks, tooling, automation, and best practices
You are
- Experienced in designing, implementing, and testing superior software
- Comfortable continuously delivering code, infrastructure, tests and features to production
- Excited about finding new and better ways to make software reliable, scale and perform
- Obsessed with finding edge cases, understanding requirements and design implications
- Proactive in monitoring running systems and troubleshooting production issues
- Always looking for ways to grow, opportunities to mentor and collaborate with peers
You have
- Have 4+ years of experience building and designing systems with several lifecycles
- Extensive experience implementing secure APIs, highly available and observable services
- Led and mentored more junior software engineers
- Kept tight control on multiple competing priorities and have strong ability to multitask
- Raised the bar on every project you were involved in
150000 - 220000 USD a year
Equal Opportunity Employer
Finix is an equal opportunity employer and values diversity. We do not discriminate on the basis of race, religion, color, national origin, gender, sexual orientation, age, marital status, veteran status, disability status, or any other protected class.
Job Details
Role: Software Engineer III/IV
Level: IC3-IC4
Location: San Francisco, CA
Base Salary Range: $150,000/yr to $220,000/yr + equity + benefits
Must be authorized to work in the U.S.; no visa sponsorship provided.
#J-18808-Ljbffr- ...EvenUp is seeking a Senior Software Engineer in San Francisco (hybrid) to address critical issues and enhance product reliability. In this role, you will resolve high-severity customer issues, lead cross-functional collaboration, and contribute to overall product improvement...Senior
$230k - $385k
...OpenAI is seeking an experienced Software Engineer to develop the creative rendering layer for its ads ecosystem in San Francisco. You will work across the technical stack to build infrastructure for new ad formats and ensure they feel natural within the ChatGPT experience...Senior$180k - $240k
...A tech company in San Francisco is looking for a Software Engineer specializing in Dev Productivity. In this role, you will streamline engineering workflows, optimize CI/CD systems, and enhance developer tooling. The ideal candidate has strong experience with CI/CD tools...Senior- ...A visual storytelling technology company in Palo Alto is seeking a Senior Software Engineer to streamline engineering workflows and optimize CI/CD systems. The ideal candidate will enhance developer tooling, advocating for best practices in software development. Strong...Senior
- ...Lead development of core software systems for autonomous vehicles, including perception, planning, and control modules. Responsibilities... ...key features for the company Requirements 7+ years software engineering experience Experience with distributed systems and robotics...Senior
- ...optimizing for both write throughput and in-memory footprint for each agent. What we’re looking for 7+ years of experience as a software engineer. Consistent record as primary individual contributor to several medium to large projects. Managed, designed and deployed...Senior
$166k - $225k
A leading data and AI company in San Francisco is seeking an experienced professional to join their team focused on designing and implementing next-generation systems. The role involves working on query optimization, execution, and ensuring data security, with an emphasis...Senior$150k - $190k
Swish Analytics in San Francisco is seeking an experienced API Developer to create and optimize core API services. The ideal candidate has a Bachelor's Degree in CS/CE/SE, with at least 3 years of API and Microservice development experience, particularly with NodeJS and...Senior- ...jobr.pro is seeking an experienced Software Engineer to build the creative rendering and presentation layer of OpenAI’s ads ecosystem in San Francisco. This role is crucial for defining how ads are structured and delivered across various platforms, ensuring high quality...SeniorRelocation package
- ...Repovive © 2025 Repovive, Inc. All rights reserved. Back to Jobs Apply Now Compensation Not listed Posted April 26, 2026 Requirements Senior Visa Sponsorship Not mentioned Relocation Not mentioned About the Role Senior SWE role at Baton. Interested in this role? Apply...SeniorRelocationVisa sponsorship
- ...A cutting-edge drone software company in San Francisco is seeking a Senior Software Engineer to build crucial operator-facing software for visual positioning systems. The role involves developing mission planning tools and data workflows using TypeScript, React, and Python...Senior
$185k - $218k
...A leading tech company in San Francisco is seeking a Senior Software Engineer focused on developing innovative platform capabilities. The role emphasizes collaboration, mentorship, and accountability in a fast-paced environment. Candidates should possess a degree in Computer...SeniorWork at office$243.29k - $295.25k
...Roblox Corporation is seeking a Senior Software Engineer for their Subscriptions team in San Francisco. This role involves building a scalable subscription platform and developing backend services to support a growing virtual economy. Candidates should have a Bachelor...Senior- As a Marketing Manager at HappyCharge, you will have the opportunity to lead strategic marketing initiatives and play a key role in shaping our brand's success in the electric mobility industry. Freelance Responsibilities Develop and execute marketing plans to support ...SeniorFreelance
- ...A leading technology firm is seeking a Senior Software Engineer, Fleet in San Francisco, CA to design and scale cloud services for AI-powered edge devices. This role involves improving AWS infrastructure security and performance, mentoring junior engineers, and collaborating...Senior
- ...Senior Software Engineer Jobs for Humanity is collaborating with TechCorp Solutions to build an inclusive and just employment ecosystem. We support individuals coming from all walks of life. Company Name: TechCorp Solutions We are looking for a Senior Software Engineer...Senior
- ...A fast-growing SaaS company based in San Francisco seeks a Software Engineer for its New Products team. This hybrid role requires building first-of-its-kind technology that transforms an analog industry and improves lives. Candidates should have 5-10+ years of backend...Senior
- ...problem. This platform is already deployed across 50+ health systems, with ~$45M ARR and scaling rapidly. The Role As a Software Engineer, you’ll: Design, build, and scale production systems used in real-world clinical settings Work across the stack on high...Senior
- ...Become a critical member of the team that is responsible for the success of the product. Take on additional responsibility as a senior member of Valence’s team. Take the product to scale with dozens of Fortune 1000 companies and thousands of users. Restrictions...SeniorRemote work
- ...We are seeking a Senior Software Engineer with deep expertise in JavaScript/TypeScript and React/Redux to join our team. The ideal candidate will have a strong understanding of Micro Frontend architecture , proven experience in integrating REST and GraphQL APIs...Senior
- Upbound is seeking a Senior Software Engineer to manage Upbound Spaces, enhancing cloud management and Kubernetes operations. The role involves building features, troubleshooting production issues, and contributing to open-source projects. Candidates should have experience...Senior
$148k - $185k
...A leading transportation company in San Francisco is seeking an experienced software engineer to help innovate within their team. This role involves establishing roadmaps and architectures, writing maintainable code, and leading projects to execution. Candidates should...Senior- ...in revenue and have over 25 million users. Role This is a full-time on-site role located in San Francisco, CA for a Senior Software Engineer. You will be responsible for building on our backend which serves customer facing product features, internal tooling, and...SeniorFull timeVisa sponsorship
- ...Drata is seeking a Senior Software Engineer II to lead platform development and make architectural decisions in San Francisco. This position focuses on building clean, maintainable applications and scalable APIs while collaborating with product managers. The role requires...Senior
- Join Our Fast-Growing Startup 1/ Join a fast-growing startup before Series A, bringing AI to the $1T maps and geospatial industry. 2/ Work with technical founders who have led Eng, Product, Marketing teams at FAANG and Series C+ companies. 3/ Build systems that scale...SeniorWork at office
- ...to testing, and deployment. Work closely with our product and engineer teams, owning a large part of the process from problem understanding... ...technical gaps. Experience 5+ years experience as a Software Engineer or similar role. Experience in python, edge vision systems...SeniorLocal area
- ...Requirements ~ We’re especially interested in engineers who are AI-native in their workflow. You use modern AI tools to increase velocity... ...shipping meaningful outcomes ~4+ years of professional software engineering experience ~ Experience as a founder, or as an early...Senior
- ...Autodesk, Inc. is seeking a Senior Software Developer in San Francisco, California. The role involves designing REST APIs and implementing a plugin architecture for developing agents. You'll collaborate with teams to ensure high-quality code and mentor peer developers....Senior
- A leading communication platform is seeking a Senior Software Engineer in San Francisco to enhance premium experiences for millions of users. This role involves collaboration with Product and Design teams to deliver technically robust solutions and smooth user experiences...SeniorRelocation package
- ...Beacon AI is seeking a Staff Software Engineer in San Francisco to enhance aviation safety through predictive modeling. You will join a dynamic team responsible for developing AI-powered flight solutions, focusing on scalable machine learning systems. The ideal candidate...SeniorWork at office3 days per week
Do you want to receive more vacancies?
Subscribe and receive similar vacancies to Senior Software Engineer. Be the first to apply!
- software sales engineer San Francisco, CA
- software engineer internship remote San Francisco, CA
- IT software developer San Francisco, CA
- new grad software engineer San Francisco, CA
- software engineer staff San Francisco, CA
- integration software engineer San Francisco, CA
- machine learning software engineer San Francisco, CA
- software engineer part time San Francisco, CA
- facebook software engineer San Francisco, CA
- senior robotics software engineer San Francisco, CA

