Source Job

$145,000–$175,000/yr
US

  • Design & implement new features and endpoints in backend APIs
  • Design & implement schema changes to support these new features
  • Build high-quality, scalable, and testable code that will help drive engineering maturity and efficiency

C# SQL REST APIs Git Docker

20 jobs similar to Senior Software Engineer II - Backend

Jobs ranked by similarity.

US Unlimited PTO

  • Build, maintain, and improve APIs and services powering public-facing applications
  • Deliver performant, reliable backend solutions aligned to product requirements
  • Drive backend architecture and API design decisions that improve scalability, resiliency, and maintainability

PlayOn is a dynamic growth-stage company dedicated to championing the spirit of play in the high school space. Backed by KKR, their family of brands empowers schools with innovative solutions and exceptional service. Their culture is built on accountability, collaboration, growth, and fairness.

Europe 5w PTO 26w maternity 26w paternity

  • Architecting, designing, building, and delivering highly available, always-on, zero-downtime API products and solutions
  • Collaborating with engineers, product owners, and other colleagues to seek exciting and results-oriented problems for delivering value
  • Writing clear, maintainable code that will scale

YLD helps clients build the skills and capabilities they need to stay ahead of the competition. They are a remote-first consultancy specializing in software engineering, product design, and data with teams based across London, Lisbon, and Porto.

Global

  • Contribute to the development and maintenance of backend systems that power our web application, including search, content discovery, and AI capabilities.
  • Work closely with senior engineers and cross-functional partners to build reliable, scalable systems that deliver value to our customers while continuing to grow your technical expertise.
  • As a Software Engineer II for our Aura Agentic Interfaces team you will contribute to the design, development, and maintenance of backend systems and services.

Seismic is the global leader in AI-powered enablement, empowering go-to-market leaders to drive strategic growth and deliver exceptional customer experiences at scale. Trusted by more than 2,000 organizations worldwide, Seismic helps businesses achieve measurable outcomes and accelerate revenue growth.

Global

  • Be a part of a truly cross-functional team; Frontend, Back-End and Full-Stack Engineers, Product Teams, Designers and QA’s.
  • Participate in product planning (From discovery all the way to deployment); We want your input at all stages of the Software Development Lifecycle!
  • Collaborate! Our teams work together to develop robust new features, API’s, continuously improve our industry-leading products and find and fix any bugs at speed.

Deel is the all-in-one payroll and HR platform for global teams. As one of the largest globally distributed companies, their team of 7,000 spans more than 100 countries and brings a connected and dynamic culture that drives continuous learning and innovation.

US

  • Ship high quality, well tested, secure, and maintainable code.
  • Work individually or mentor a small group in an Agile development environment.
  • Participate in discussions about project architecture and technical feasibility; make decisions and justify your development approach.

Affinitiv is the largest provider of end-to-end, data-driven marketing and software solutions exclusively focused on the automotive customer lifecycle. They work with over 6,500 dealerships and every major manufacturer in the country and pride themselves on being the go-to experts in the industry.

Europe

  • Implement product features according to specifications and user stories
  • Participate in backend and API development
  • Fix bugs and improve existing functionality

Tieto Tech Consulting works as a true partner, solving clients’ toughest technology challenges and delivering reliable outcomes. By merging data, cloud, AI and design with deep industry expertise, they create impactful yet intuitive digital solutions that empower people and move businesses forward.

Europe

  • 5+ years development experience with backend technologies, including experience with modern backend architecture.
  • 3+ years development experience with .NET/C# (with ASP.NET).
  • Experience building and deploying solutions on cloud services (Azure preferred).

Janea Systems (USA) is a dynamic team of the best & brightest software engineering specialists and solutions innovators, from around the world. From kernel to cloud, they provide high-impact software development services to Fortune 500 companies.

$115,000–$140,000/yr
US

  • Design, build, and maintain performant, well-structured, and well-tested code.
  • Champion code quality, automated testing, and observability best practices.
  • Mentor junior engineers, guiding them through technical challenges.

PerfectServe offers Best in KLAS clinical communication and physician scheduling solutions. They have seen significant growth and aim to improve healthcare outcomes through innovative technology.

US

  • Design, develop, and maintain backend services using Microsoft .NET technologies.
  • Build, deploy, and manage services within the Azure cloud ecosystem.
  • Contribute to software architecture discussions and provide technical feedback to improve design and implementation.

New American Funding is a mortgage company. They value culture and team dynamics that will be able to help you advance in your career, while you explore all the different technologies they offer here.

  • Design of software feature(s) according to agreed architecture and requirements
  • Implementation of software features according to design
  • Planning and performing developer level testing to ensure fit to design and requirements

NICE Ltd. software products are used by 25,000+ global businesses, including 85 of the Fortune 100 corporations, to deliver extraordinary customer experiences, fight financial crime and ensure public safety. Known as an innovation powerhouse that excels in AI, cloud and digital, NiCE is consistently recognized as the market leader in its domains, with over 8,500 employees across 30+ countries.

Latin America

  • Lead the development of robust .NET architectures, ensuring high performance and scalability.
  • Design and evolve seamless RESTful integrations to automate and streamline enterprise workflows.
  • Elevate team output through deep code reviews and technical mentorship.

CodeRoad delivers end-to-end software development, helping businesses scale with ideal infrastructure solutions. They offer staff augmentation, dedicated IT teams, and general software engineering, empowering business to thrive in the digital age.

$120,000–$135,000/yr
US

  • Design, implement, and maintain reliable systems for processing payments, scheduling payouts, and reconciling transactions.
  • Collaborate with Finance, Compliance, and Product teams to build features that meet regulatory, tax, and reporting requirements
  • Architect systems for auditability, security, and fault tolerance across distributed services

VERSANT is a leading force in news, sports and entertainment - home to iconic and trusted brands that inspire, inform, and delight audiences. They are an industry-changing media company fueled by innovation and an entrepreneurial spirit.

$140,000–$170,000/yr
US

  • Lead with quality first; design, build, and maintain automated test suites.
  • Design, code, test, and implement features and services within Reveleer’s platform.
  • Contribute to system quality, reliability, performance, and security through disciplined engineering practices.

Reveleer is focused on providing a platform. The company appears to be a mid-sized firm that values innovation and is dedicated to creating a positive impact in healthcare through its technology solutions.

Europe

  • Build complete designs for our applications and features.
  • Design and implement intuitive, scalable components.
  • Drive efficiency across our platform.

Shift is the leading AI platform for insurance. Shift combines generative, agentic, and predictive AI to transform underwriting, claims, and fraud and risk - driving operational efficiency, exceptional customer experiences and measurable business impact.

  • Develop new functionality based on business and technical requirements
  • Write clean, efficient, and maintainable code
  • Troubleshoot and resolve system bugs and technical issues

Spinnaker Software is looking for a skilled Senior C# Developer to design, develop, and implement high-quality software solutions based on business requirements. They have a dynamic development team where innovation, collaboration, and quality are at the core of everything they do.

Unlimited PTO 12w maternity 12w paternity

  • Release new product features and maintain existing services
  • Have a deep understanding about product values and contribute collectively to create the best product experience
  • Build secure, performant, and easy-to-use backend APIs and database designs with clear documentation

Forma helps companies offer competitive benefits packages while reducing costs and inefficiencies, by giving employees more choice and flexibility in how they spend their benefit allowances. They have helped hundreds of the world’s most admired companies design and support flexible, inclusive benefits programs for nearly a million employees.

US Latin America Europe India 4w PTO

  • Design and build high-performing, distributed APIs and microservices that scale to handle heavy traffic
  • Design efficient database schemas and optimize complex queries for large, interconnected datasets
  • Write testable, maintainable code with a bias toward self-documenting practices

SalesRabbit is a leader in field sales, operating as the only fully integrated field sales management platform, continuously evolving enterprise-ready selling solutions. They have a team of 100+ and growing, and the engineering team is largely remote, working across the US, Latin America, Europe, and India.

Europe

  • Develop software applications according to specifications and project requirements.
  • Propose and define efficient, scalable technical solutions.
  • Maintain, optimize, and enhance existing applications.

LEONI is a global leading provider of products, solutions and services for energy and data management in the automotive industry. With around 86,000 employees in 21 countries, they are a leading supplier of complex wiring systems and customer‑specific cable harnesses. Since 2025, they have been part of the Luxshare Group, a global technology company headquartered in China, shaping the future of mobility.

Canada

  • Design and implement robust, scalable, and maintainable backend systems, primarily using Ruby on Rails.
  • Develop and integrate APIs that enable secure, efficient, and reliable communication between backend services and external systems.
  • Take ownership of backend features and functionality, contributing to development from design through deployment.

NovoEd is an enterprise learning platform that helps organizations build critical capabilities at scale through collaborative and experiential learning. Founded in 2012 out of Stanford’s Social Algorithm Laboratory, NovoEd has grown into a trusted partner for many of the world’s leading companies, executive education providers, and training organizations.

India

  • Design, develop, and maintain applications using .NET technologies
  • Work on both new feature development and enhancement of existing platforms
  • Collaborate within an Agile environment, contributing to planning, delivery, and continuous improvement

Smart Working connects skilled professionals with outstanding global teams for full-time, long-term roles. They focus on breaking down geographic barriers and value employee growth and well-being, aiming to provide a thriving remote-first work environment.