Lead Software Engineer, Back End Job at Capital One (McLean)

Staff Software Engineer, Back-end

Affirm is reinventing credit to make it more honest and friendly, giving consume...

Location

Spain

Salary:

101000.00 - 131000.00 EUR / Year

Affirm

Expiration Date

Until further notice

Requirements

8+ years of experience designing, developing and launching backend systems at scale using languages like Python or Kotlin
Extensive track record of developing highly available distributed systems using technologies like AWS, MySQL, Spark and Kubernetes
Strong verbal and written communication skills that support effective collaboration with our global engineering team
Experience delivering major features, system components or deprecating existing functionality in a system through the definition of a technical and execution plan
Write high quality code that is easily understood and used by others
On-Call Rotation

Job Responsibility

Set technical strategy for your team on a year-long time scale, and help your team tie it together with critical, business-impacting projects
Collaborate across teams in the product development lifecycle by collaborating with product management, design & analytics to ensure technical sustainability, risks and trade-offs are well understood and managed
Act as a force-multiplier for your team through your definition and advocacy of technical solutions and operational processes
Take ownership of your team’s operations and availability by ensuring you have the right monitoring, triage rotations, playbooks, polcities, testing and alerting in place to support “keep the lights on” & on-call efforts
Foster a culture of quality and ownership on your team by setting code review and design standards for your team, and advocating for them beyond your team through your writing and tech talks
Help develop talent on your team by providing feedback and guidance, and leading by example

What we offer

Flexible Spending Wallets for tech, food and lifestyle
Away Days - wellness days to take off work and recharge
Learning & Development programs
Parental benefit
Employee Resource & Community Groups
Health care coverage - Affirm covers all premiums for all levels of coverage for you and your dependents
Flexible Spending Wallets - generous stipends for spending on Technology, Food, various Lifestyle needs, and family forming expenses
Time off - competitive vacation and holiday schedules allowing you to take time off to rest and recharge
ESPP - An employee stock purchase plan enabling you to buy shares of Affirm at a discount
Visa sponsorship

Fulltime

Staff Software Engineer (Back End)

As a Staff Software Engineer on our Runtime team, you will work directly with Vi...

Location

United States , Los Angeles

Salary:

150000.00 - 205000.00 USD / Year

Viant

Expiration Date

Until further notice

Requirements

8+ years of professional experience in the software industry
Bachelor’s degree in Computer Science, Mathematics, or a related field (Master’s degree preferred)
Proficiency in GoLang
Expertise in designing, building, and delivering high-quality, scalable, and high-performance distributed systems, including developing detailed design specifications
Experience with relational databases (e.g., MySQL, Oracle, or SQL Server), including writing SQL
Familiarity with cloud-based technologies, especially AWS (e.g., EC2, S3, Lambda, RDS) and GCP
Knowledge of multithreading, concurrency, and low-latency application development
Proven ability to identify and resolve project issues effectively and in a timely manner

Job Responsibility

Work directly with Viant’s ad server, managing a high-volume, low-latency application that processes billions of unique requests a day
Work with state-of-the-art technology as part of bid optimization, dynamic performance optimization, as well as develop a self-diagnostic and healing architecture
Deliver simple, elegant, scalable, extensible solutions that strike the right balance between short-term and long-term considerations
Design, develop, maintain and trouble software features with an eye on cost, scalability, performance and fault-tolerance
Participate in design discussions, code reviews and bug triage / Root Cause Analysis (RCA) sessions
Be the technical lead of projects that involve 2-3 other engineers
Collaborate with Product, other Engineering and Technical operations teams on the entire lifecycle from ideation to productization and beyond
Drive the development and continuous improvement of existing projects while shaping the vision and scope of future initiatives
Collaborate with internal teams to design, build, and refine a highly reliable, highly available, low-latency runtime platform
Own and provide technical leadership for multiple subsystems of the runtime platform, ensuring scalability, performance, and fault tolerance

What we offer

Fully paid health insurance
Paid parental leave
Unlimited PTO

Functional Back End Engineer

Join Our Team as a Functional Back End Engineer at Modus Create! We are looking ...

Location

Salary:

Not provided

Modus Create

Expiration Date

Until further notice

Requirements

Experience with Haskell
Knowledge about advanced features of the language and ability to navigate a large codebase
Comfortable working on the core (consensus, ledger, APIs, testing, etc.) of a blockchain project
Interest in and some experience of open source community contributions
Passionate about Nix (or similar systems such as Guix)
Interest in declarative, reproducible builds, with experience in systems like Bazel, Buck2, or Meson
Fluent with the command line
Skilled in managing development pipelines, test automation, continuous integration, and cloud-based deployments
Knowledgeable in software architecture, design patterns, and development methodologies
Ability to distinguish between accidental and essential complexity

Job Responsibility

Partner with cross-functional teams and provide strategic consulting, full lifecycle product development
Leading, mentoring, and coaching both clients and Modus teammates
Deep diving into customer needs and translating them into actionable requirements
Exploring new tech and continuously learning
Sharing your knowledge and participating actively in the community
Giving back through opportunities such as blog posts, open source contributions, and event speaking
Work in active teams on internal and external projects, staying up-to-date with the latest technologies
Represent Modus and our values while connecting directly with our clients

What we offer

Remote work with flexible working hours
Modus Global Office Programme: on-demand access to private offices, meeting rooms, coworking spaces and business lounges in locations in over 120 countries
Employee Referral Program
Client Referral Program
Travel according to client or team needs
The chance to work side-by-side with thought leaders in emerging tech
Access to more than 12,000 courses with a licensed Coursera account
Possibility to obtain paid certification/courses if they align with company goals and are relevant to the employee's role

Software Engineer III (Back-End)

FloQast is at the forefront of revolutionizing accounting workflows. As a SaaS c...

Location

India , Pune

Salary:

Not provided

FloQast

Expiration Date

Until further notice

Requirements

4-6+ years of professional back-end engineering experience
Deep expertise in Java / GoLang and a mastery of distributed systems principles and microservice architecture
Extensive experience designing and operating complex systems on a major cloud provider (AWS preferred)
Proven ability in database design, performance tuning, and data modeling at scale (MongoDB preferred)
A track record of technical leadership, including project ownership and mentorship

Job Responsibility

Lead the design and implementation of complex, scalable backend services using Java or Golang
Own the technical vision for key areas of our data platform, making critical decisions on architecture, data models, and system design
Champion best practices for code quality, testing, and system reliability, establishing high standards for the team
Act as a technical mentor for SDE 1 and SDE 2 engineers, fostering a culture of growth and technical excellence
Work with high autonomy to deconstruct ambiguous business problems into concrete, scalable services

Fulltime

Senior Software Engineer (Back End)

Archer is an aerospace company based in San Jose, California building an all-ele...

Location

United States , San Jose

Salary:

134400.00 - 168000.00 USD / Year

Archer Aviation

Expiration Date

Until further notice

Requirements

Small but mighty, 0 to 1 builder mentality
BS/MS/PhD in Computer Science or a related technical field
7+ years of backend software engineering experience, with a proven track record of delivering scalable backend systems
Expert-level proficiency in Python for backend application development
Strong experience with AWS, including services such as Lambda, API Gateway, S3, DynamoDB, ECS/Fargate, etc.
Proficiency with infrastructure-as-code tools such as Terraform or AWS CDK
Deep understanding of RESTful API design, microservices architecture, and distributed systems
Experience with performance tuning, system monitoring, and observability tools
Excellent debugging, analytical, and problem-solving skills
Strong communication and collaboration skills across technical and non-technical stakeholders

Job Responsibility

Design, develop, and maintain scalable backend systems and APIs to support Archer’s ride-sharing and airline operational platforms
Build cloud-native applications and services using Python and AWS technologies
Lead architectural design and system integrations, ensuring systems are modular, efficient, and secure
Develop infrastructure-as-code using Terraform or AWS CDK to provision and manage backend environments
Collaborate with stakeholders to define technical requirements and translate them into robust implementations
Own the full development lifecycle—from design and development to deployment, monitoring, and maintenance
Conduct code reviews, enforce engineering best practices, and mentor fellow engineers
Monitor system performance and reliability, and respond to production issues with effective debugging and root cause analysis

Fulltime

Principal Functional Back End Engineer

Join Our Team as a Principal Functional Back End Engineer at Modus Create! We ar...

Location

Salary:

Not provided

Modus Create

Expiration Date

Until further notice

Requirements

Principal Level experience
Experience with Haskell (written professionally, knowledge of advanced features, ability to navigate large codebase)
Experience working on core of a blockchain project (consensus, ledger, APIs, testing, etc.)
Interest in and some experience with open source community contributions
Passionate about Nix (or similar systems like Guix)
Interest in declarative, reproducible builds with experience in systems like Bazel, Buck2, or Meson
Fluent with command line
Skilled in managing development pipelines, test automation, continuous integration, and cloud-based deployments
Knowledgeable in software architecture, design patterns, and development methodologies
Ability to distinguish between accidental and essential complexity

Job Responsibility

Partner with cross-functional teams and provide strategic consulting, full lifecycle product development
Leading, mentoring, and coaching both clients and Modus teammates
Deep diving into customer needs and translating them into actionable requirements
Exploring new tech and continuously learning
Sharing knowledge and participating actively in the community
Giving back through opportunities such as blog posts, open source contributions, and event speaking
Travel & connections during remote meet-ups
Teaching and learning on internal and external projects
Being a self starter with autonomy and proactivity
Client interaction representing Modus and values

What we offer

Remote work with flexible working hours
Modus Global Office Programme: on-demand access to private offices, meeting rooms, coworking spaces and business lounges in over 120 countries
Employee Referral Program
Client Referral Program
Travel according to client or team needs
Chance to work side-by-side with thought leaders in emerging tech
Access to more than 12,000 courses with a licensed Coursera account
Possibility to obtain paid certification/courses if aligned with company goals and relevant to role

Principal Functional Back End Engineer

Join Our Team as a Principal Functional Back End Engineer at Modus Create! We ar...

Location

United States of America

Salary:

Not provided

Modus Create

Expiration Date

Until further notice

Requirements

Principal Level experience
Experience with Haskell, written Haskell professionally
Knowledge of advanced features of Haskell and ability to navigate a large codebase
Comfortable working on the core (consensus, ledger, APIs, testing, etc.) of a blockchain project
Interest in and some experience of open source community contributions
Passionate about Nix (or similar systems such as Guix)
Interest in declarative, reproducible builds, with experience in systems like Bazel, Buck2, or Meson
Fluent with the command line
Skilled in managing development pipelines, test automation, continuous integration, and cloud-based deployments
Knowledgeable in software architecture, design patterns, and development methodologies

Job Responsibility

Partner with cross-functional teams and provide strategic consulting, full lifecycle product development
Leading, mentoring, and coaching both clients and Modus teammates
Deep diving into customer needs and translating them into actionable requirements
Exploring new tech and continuously learning
Sharing your knowledge and participating actively in the community
Giving back through opportunities such as blog posts, open source contributions, and event speaking
Travel & connections during remote meet-ups
Teaching and learning on active teams on internal and external projects
Being a self starter with autonomy and proactivity
Client interaction representing Modus and our values while connecting directly with our clients

What we offer

Remote work with flexible working hours
Modus Global Office Programme: on-demand access to private offices, meeting rooms, coworking spaces and business lounges in locations in over 120 countries
Employee Referral Program
Client Referral Program
Travel according to client or team needs
The chance to work side-by-side with thought leaders in emerging tech
Access to more than 12,000 courses with a licensed Coursera account
Possibility to obtain paid certification/courses if they align with company goals and are relevant to the employee's role

Lead Software Engineering

Lead the design, development, and deployment of front-end applications using HTM...

Location

United States , Atlanta

Salary:

152131.00 - 192600.00 USD / Year

Cricket Wireless Authorized Retailer

Expiration Date

Until further notice

Requirements

Requires a Bachelor’s degree, or foreign equivalent degree in Electrical and Electronic Engineering or Computer Science
5 years of progressive, post-baccalaureate experience in the job offered, or 5 years of progressive, post-baccalaureate experience in a related occupation leading the design, development, and deployment of front-end applications using HTML5, CSS3, and JavaScript ES6
ensuring applications are accessible, responsive, and optimized for performance across various devices and browsers
collaborating with UX/UI designers to implement user-centric designs and enhance user experience
working on application of Bootstrap front-end toolkit, server-side rendered applications, micro-services architecture, Content Delivery Network (CDN), headless Content Management Systems (CMS), and asynchronous APIs
working on alternative payment systems including PayPal, Apple Pay, and Google Pay
utilizing e-Commerce UI/UX best practices, e-Commerce data layer, e-Commerce production solution support, logging and monitoring, e-Commerce feature flagging and A/B testing and blue/green and phased deployments
and applying DevOps and Agile practices to responsibly deliver working software to production environments and increase value for the business and the customers.

Job Responsibility

Lead the design, development, and deployment of front-end applications using HTML5, CSS3, and JavaScript ES6
Ensure applications are accessible, responsive, and optimized for performance across various devices and browsers
Collaborate with UX/UI designers to implement user-centric designs and enhance user experience
Mentor and guide junior developers, fostering a culture of innovation and continuous improvement
Implement best practices for code quality, testing, and deployment
Work with the latest front-end technologies, trends, and best practices
Work on troubleshoot, debug, and optimize existing front-end solutions
Work closely with back-end developers to integrate front-end components with server-side logic
Deliver quality software using the Scrum framework while working in a Scrum team including the application of modern Agile and DevOps practices
Apply your knowledge of self-managed development, design and architecture, documentation, programming, quality, testing, forecasting and release planning, and product value to apply Scrum to deliver valuable software products

What we offer

Medical/Dental/Vision coverage
401(k) plan
Tuition reimbursement program
Paid Time Off and Holidays (based on date of hire, at least 23 days of vacation each year and 9 company-designated holidays)
Paid Parental Leave
Paid Caregiver Leave
Additional sick leave beyond what state and local law require may be available but is unprotected
Adoption Reimbursement
Disability Benefits (short term and long term)
Life and Accidental Death Insurance

Fulltime

Lead Software Engineer, Back End

Capital One

Location:
United States , McLean ▼
Richmond

Category:
IT - Software Development

Contract Type:
Not provided

Salary:

Job Description:

Job Responsibility:

Requirements:

Nice to have:

Additional Information:

Job Posted:
January 08, 2026

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