Senior Software Engineer, Accounts

This position is listed on behalf of a partner company, who manages all applications and next steps. Our partner is looking for a Senior Software Engineer, Accounts based in the United States.

Join a high-performing engineering team responsible for building and maintaining mission-critical systems that power digital gaming, sports betting, and entertainment platforms.
In this role, you will design, develop, and optimize secure, scalable services supporting player registration, authentication, identity verification, fraud prevention, and regulatory compliance.
You will work across distributed systems, APIs, databases, and third-party integrations to deliver reliable, high-performance solutions.
Your work will directly influence the security, accuracy, and resilience of systems used throughout the player journey.
Collaborating with engineering teams and business stakeholders, you will lead complex technical initiatives and drive continuous improvements in production environments.
You will also mentor fellow engineers, promote software craftsmanship, and help establish technical standards across teams.
This remote opportunity is ideal for an experienced software engineer who enjoys solving complex challenges and building dependable systems in a fast-paced, highly regulated industry.

Accountabilities

Architecture and Software Development: Design, architect, and deliver scalable software solutions and new features from conception to production within an agile development environment.
API and Service Engineering: Build, maintain, and optimize REST APIs, low-latency gRPC services, and SQL queries supporting player registration, authentication, identity verification, fraud detection, and other critical platform capabilities.
Identity and Security: Develop and maintain secure systems for OAuth 2.0, OpenID Connect, multi-factor authentication, biometrics, know-your-customer verification, and the secure handling of personally identifiable information.
Performance and Reliability: Identify production bottlenecks, investigate performance regressions, conduct load testing and tracing, and implement improvements that enhance scalability, availability, and responsiveness.
Monitoring and Incident Management: Establish and refine monitoring, alerting, and observability practices using tools such as Datadog. Participate in on-call rotations and take ownership of production services and release cycles.
Systems Integration: Design and maintain integrations between internal services, legacy platforms, and external providers for identity verification, fraud prevention, geolocation, messaging, and other essential capabilities.
Data Management and Migration: Develop and maintain data transformation processes, migration strategies, and supporting infrastructure that preserve data integrity, consistency, and system interoperability.
Technical Leadership: Own complex engineering challenges, prepare detailed technical proposals, and present architectural recommendations to leadership and partner teams.
Code Quality and Mentorship: Promote clean architecture, testing standards, and software engineering best practices through code reviews, technical specifications, collaborative problem-solving, and mentorship.
Cross-Functional Collaboration: Work with stakeholders across business and technology teams to deliver reliable products, improve operational efficiency, manage technical risks, and optimize costs.
Continuous Improvement: Evaluate emerging technologies and development practices, including AI-assisted and agentic software development tools, to improve engineering productivity while maintaining high standards of quality and security.
Requirements
Professional Experience: At least five years of professional software engineering experience, with a strong track record of designing, developing, and operating production-grade applications.
Computer Science Fundamentals: Strong knowledge of data structures, algorithms, distributed systems, software design principles, and scalable application architecture.
Backend Development: Experience building modern applications and APIs using frameworks such as Phoenix, Ruby on Rails, FastAPI, Laravel, or Node.js.
Database Expertise: Strong understanding of relational databases, particularly PostgreSQL and MySQL, including schema design, normalization, denormalization, query optimization, and performance trade-offs.
Production Systems: Demonstrated experience identifying and resolving performance issues involving CPU utilization, memory, I/O, latency, and throughput in high-volume production services.
Authentication and Security: Experience developing authentication, identity, or other regulated systems requiring strong security, auditability, and data protection. Knowledge of OAuth 2.0, OIDC, JWT, MFA, authorization models, and secure PII handling is particularly important.
Cloud-Native Infrastructure: Experience with Kubernetes, containerized applications, and production service operations.
Asynchronous Processing: Familiarity with background job processing frameworks such as Oban, Exq, Sidekiq, Celery, or Beanstalkd, as well as event-driven systems such as Apache Kafka, RabbitMQ, AWS SQS/SNS, or Google Cloud Pub/Sub.
Testing and Development Tools: Experience with testing frameworks such as ExUnit, RSpec, Jest, or pytest, alongside proficiency with Git, GitHub or equivalent version control tools, and command-line environments.
Technical Communication: Excellent written and verbal communication skills, with experience producing technical specifications, runbooks, and cross-team architecture documents. Ability to explain complex technical decisions clearly and collaborate effectively across teams.
Operational Ownership: Experience managing production releases, participating in on-call rotations, troubleshooting incidents, and taking responsibility for service reliability throughout the software lifecycle.
AI-Assisted Development: Experience using agentic software development tools, designing agentic workflows, and validating AI-generated outputs is a strong advantage.
Preferred Qualifications: Experience with Elixir, hexagonal architecture, Domain-Driven Design, open-source contributions, or startup environments is beneficial. Additional assets include experience with financial or accounting systems requiring high accuracy and auditability, GraphQL schema design, multi-client or white-label platforms, jurisdiction-specific routing, and gaming regulatory frameworks such as AGCO and DGE. An interest in sports or esports is also welcome.
Benefits
Competitive Compensation: Annual base salary ranging from USD 145,000 to USD 193,000, depending on qualifications, experience, and other applicable factors.
Comprehensive Benefits: Access to a competitive employee benefits package designed to support physical, financial, and emotional well-being.
Additional Compensation Opportunities: Eligible employees may receive performance-based bonuses or other incentives in accordance with applicable compensation plans.
Remote Work: A remote position based in the United States, offering flexibility in your working environment.
Professional Development: Education and conference reimbursement to support continued learning and technical growth.
Career Advancement: Opportunities for career progression, increased technical ownership, and professional mentorship.
Collaborative Culture: Work alongside talented, supportive engineering professionals in a relaxed environment that encourages teamwork, innovation, and continuous improvement.
Meaningful Technical Challenges: Contribute to business-critical platforms where reliability, security, performance, and regulatory compliance are central to the user experience.