Apply

Backend Software Engineer

Posted 8 days agoViewed

View full description

💎 Seniority level: Middle, 2+ years

📍 Location: United States

💸 Salary: 110000.0 - 160000.0 USD per year

🔍 Industry: Software Development

🏢 Company: CardFlight👥 51-100💰 $3,500,000 Series A over 6 years agoMobile PaymentsFinancial ServicesPaymentsMobileFinTechSoftware

🗣️ Languages: English

⏳ Experience: 2+ years

🪄 Skills: AWSBackend DevelopmentLeadershipSoftware DevelopmentSQLAgileGitRuby on RailsPostgresCommunication SkillsCI/CDRESTful APIsDevOpsAttention to detailProblem-solving skills

Requirements:
  • 2+ years of backend software development
  • Experience designing and building quality and highly scalable applications
  • Superior communication and collaboration skills and interest in working with third parties
  • Ability to be flexible and flourish in a fast-paced atmosphere while remaining focused with an attention to detail, working productively, and successfully juggling multiple tasks
Responsibilities:
  • Design, create, and support backend systems for transaction processing and settlement
  • Collaborate with a team of talented engineers to continuously build, ship, learn, and iterate on our products
  • Stay up-to date with new technologies and best practices in backend software development to drive technical innovation required to deliver best-in-class applications
  • Ensure product stability through testing and best practices
  • Design and implement robust services and APIs for long-term scalability and maintenance
  • Assist in refactoring existing code to improve performance, security, and maintainability
  • Support operations team with customer-facing technical issues
  • Collaborate with third parties on code certifications
Apply

Related Jobs

Apply

📍 United States

🧭 Full-Time

💸 110000.0 - 180000.0 USD per year

🔍 Cybersecurity

🏢 Company: crowdstrikecareers

  • At 'least' 5 years (average exp: 7-12 yrs) experience building backend scalable services and systems, including 3+ recent years working in an SOA in support of a SaaS or SaaS-like product architecture
  • Degree in Computer Science (or commensurate experience in data structures/algorithms/distributed systems).
  • The ability to scale backend systems – sharding, partitioning, scaling horizontally are second nature to you.
  • Solid understanding of distributed systems and scalability challenges.
  • The skills to meet your commitments on time and produce high quality software that is unit tested, code reviewed, and checked in regularly for continuous integration.
  • Design, develop, document, test, deploy, maintain, and enhance large scale services.
  • Take ownership and be accountable for deliverables.
  • Triage system issues and debug by analyzing the sources of issues and the impact on service operations.
  • Mentor other engineers on web and backend engineers on use of our  feature services.
  • Constantly re-evaluate our products to improve architecture, testing coverage, knowledge models, user experience, performance, observability and stability.
  • Partner with product teams in understanding their needs, work with PM to document the new requirements, and implement those new features within our feature services

AWSBackend DevelopmentPythonSoftware DevelopmentCybersecurityGitKafkaKubernetesAlgorithmsCassandraData StructuresGoPostgresRedisRESTful APIsMicroservicesSaaS

Posted 2 days ago
Apply
Apply

📍 United States

🧭 Full-Time

💸 150000.0 - 175000.0 USD per year

🔍 Software Development

🏢 Company: CompScience👥 11-50💰 $10,000,000 Series A almost 2 years agoArtificial Intelligence (AI)Computer VisionIndustrialInternet of ThingsMachine LearningInsurTechInsuranceCommercial InsuranceSoftware

  • 7+ years of experience building and shipping high-quality backend systems.
  • 4+ years of experience in Cloud Infrastructure such as AWS/Azure/GCP and 2+ Years of Experience with Github Actions/Terraform/Cloudformation/Ansible
  • 6+ years of experience in Strongly Typed Languages such as C#/TypeScript/C++ etc.
  • 2+ years of Experience in Docker.
  • 2+ Years of Experience with ETL Pipelines
  • GraphQL Experience
  • Design, build, and maintain scalable, high-performance APIs and data processing pipelines that support both application functionality and AI-driven analytics.
  • Demonstrate a deep understanding of the existing TypeScript/JavaScript legacy codebase and strategically evolve it to meet evolving business objectives, improving efficiency and maintainability.
  • Build backend systems with a focus on scalability and robustness to handle rapidly increasing video and data volumes, ensuring high availability and reliability.
  • Leverage expertise in AWS services (SQS, Redshift, RDS, Aurora (PostgreSQL), S3, EC2) to manage and optimize the backend infrastructure, while actively supporting the transition to a serverless, event-driven architecture.
  • Significantly contribute to and improve internal documentation to support ongoing development efforts and facilitate knowledge sharing within the team.
  • Effectively collaborate with engineering leads, mentor junior developers, and coordinate with overseas contract partners to implement key backend functionality, ensuring alignment with business priorities and long-term scalability.

AWSBackend DevelopmentDockerGraphQLLeadershipPostgreSQLSoftware DevelopmentSQLCloud ComputingETLGitTypeScriptAlgorithmsREST APICollaborationCI/CDTerraformAnsibleNodeJS

Posted 8 days ago
Apply
Apply

📍 United States

🧭 Full-Time

🔍 Software Development

🏢 Company: Vanta👥 501-1000💰 $150,000,000 Series C 10 months agoInternetArtificial Intelligence (AI)ComplianceCyber SecuritySoftware

  • Have at least 8 years of industry experience with backend development.
  • Proven ability to design clean, effective internal APIs and services.
  • Hands-on experience with TypeScript, GraphQL, and MongoDB.
  • Demonstrated leadership of significant technical projects from inception through delivery.
  • Experience in building both early-stage (0 to 1) and scaling (1 to 10) systems with strong execution skills.
  • Design APIs from first principles, ensuring they are intuitive and usable by both code and AI agents.
  • Make thoughtful trade-offs that balance business objectives, user experience, and long-term technical sustainability.
  • Mentor and guide fellow engineers, promoting best practices across the team.
  • Lead initiatives that strengthen operational excellence and raise the bar on engineering quality across the organization.

Backend DevelopmentGraphQLLeadershipMongoDBTypeScriptAPI testingRESTful APIsMentoringSoftware Engineering

Posted 11 days ago
Apply
Apply

📍 United States

🧭 Full-Time

🔍 Software Development

🏢 Company: Jobgether👥 11-50💰 $1,493,585 Seed about 2 years agoInternet

  • Expertise in object-oriented programming languages, with strong experience in Java (or similar languages).
  • Proven experience in building and maintaining large-scale, distributed systems with a focus on data processing.
  • Familiarity with databases (SQL, NoSQL, OLAP) and data lake architectures.
  • Strong knowledge of AWS and cloud-based architecture is a plus.
  • Ability to think critically, solve problems efficiently, and take ownership of projects from start to finish.
  • Architect and implement engineering solutions to address complex technical problems related to data ingestion and transformation.
  • Lead individual projects, prioritize deadlines, and collaborate with cross-functional teams, including product managers and engineers.
  • Write well-designed, testable, and maintainable code while following best engineering practices.
  • Mentor and guide junior engineers, sharing knowledge and best practices to strengthen the team.
  • Communicate technical ideas clearly and set direction on projects to align with business goals.
  • Document software functionality, system design, and project plans to ensure clarity for current and future team members.
  • Promote engineering standards and principles, ensuring consistency and scalability across all solutions.

AWSBackend DevelopmentSQLCloud ComputingJavaData engineeringNosqlCI/CDProblem SolvingRESTful APIsMentoringMicroservicesSoftware Engineering

Posted 11 days ago
Apply
Apply

📍 USA

🧭 Full-Time

💸 126000.0 - 197000.0 USD per year

🔍 Software Development

🏢 Company: Addepar👥 501-1000💰 $166,262,336 Series F almost 4 years ago🫂 Last layoff over 2 years agoFinancial ServicesSaaSFinTechSoftware

  • Demonstrated ability as a professional software engineer and experience with any object-oriented programming language. Expertise in Java is a plus
  • Experience in building and evolving large-scale, impactful distributed systems
  • Experience with databases, SQL, NoSQL, OLAP, and/or data lake architectures
  • Strong AWS knowledge and architectural experience is a plus
  • Architect, implement, and maintain engineering solutions to solve complex problems; write well-designed, testable code
  • Lead individual project priorities, deadlines, and solutions
  • Collaborate effectively with product managers, engineers and partners on projects
  • Communicate technical ideas and set direction on projects with a focus on solving business challenges
  • Mentor other engineers on the team
  • Document software functionality, system design, and project plans; this includes clean, readable code with comments
  • Promote engineering standard methodologies and principles

AWSBackend DevelopmentSoftware DevelopmentSQLJavaData engineeringREST APIMentoringData modelingSoftware Engineering

Posted 15 days ago
Apply
Apply

📍 United States, Canada

🧭 Full-Time

🔍 Fintech

🏢 Company: Trellis

  • A minimum of 7 years of professional software engineering experience, demonstrating progressive growth and significant hands-on expertise in both backend systems development and machine learning engineering
  • Strong proficiency in Python. Experience with FastAPI is a plus.
  • Deep understanding and practical experience with Google Cloud Platform (GCP), including:
  • Exposure to the end-to-end machine learning lifecycle: data preprocessing, feature engineering, model training, evaluation, deployment, and monitoring in production.
  • Experience with MLOps principles and practices.
  • Familiarity with containerization and orchestration (Docker, Kubernetes).
  • A “get it done” mindset with the ability to make pragmatic decisions balancing speed, performance, technical debt, and scalability.
  • Strong communication and collaboration skills.
  • Collaborate closely with business stakeholders and other engineers to deliver impactful solutions.
  • Integrate services and product features with databases (Cloud SQL, Redis) and messaging queues (Pub/Sub).
  • Lead the development of our MLOps tools for ML models.
  • Build and optimize large-scale data processing pipelines for feature extraction and data transformation using BigQuery and Dataflow.
  • Train, evaluate, deploy, and monitor machine learning models on Vertex AI to improve bidding performance.
  • Stay fast and focused, balancing speed, performance, and scalability to deliver impact.

Backend DevelopmentDockerPythonSQLCloud ComputingGCPKubernetesMachine LearningData engineeringFastAPIREST APIRedisSoftware Engineering

Posted 16 days ago
Apply
Apply

📍 United States

🧭 Full-Time

💸 100000.0 - 240000.0 USD per year

🔍 Healthcare

🏢 Company: Angle Health👥 1-50💰 $58,000,000 Series A over 2 years agoHealth InsuranceInsuranceHealth Care

  • 4+ years software engineering experience
  • Strong understanding of business context and a desire to connect engineering solutions to real-world problems, driving impactful outcomes for the company and its users
  • Strong engineering background in technical fields such as Computer Science, Mathematics, Software Engineering, and Physics
  • Familiarity with data structures, CI/CD, software development lifecycles, backend frameworks, and other technical tools
  • Demonstrated proficiency in Python and Django, experience with Java is a plus
  • Demonstrated ability to learn and work independently and make decisions with minimal supervision
  • A desire to be part of the journey to change the face of healthcare
  • Inspire your colleagues with your thirst for mastering the things you work with
  • Are a passionate developer, proud of the quality of your work
  • Work directly with the Head of R&D in architecting and building Angle's backend infrastructure
  • Work with product owners & designers to build a scalable implementation process across multiple web products
  • Support the entire application lifecycle, including concept, design, test, release, and support phases
  • Build optimal backend applications that are performant at scale
  • Work together with the product leadership to plan new features
  • Oversee the compliance of applications with established quality standards

Backend DevelopmentPostgreSQLPythonSQLDjangoSoftware ArchitectureData StructuresCI/CDRESTful APIsSoftware Engineering

Posted 17 days ago
Apply
Apply

📍 United States

💸 155000.0 - 248000.0 USD per year

🔍 Software Development

🏢 Company: Toast👥 51-100Location Based ServicesInternetInformation Technology

  • 8+ years experience working in a microservice architecture with either Java/Kotlin
  • You can excel working in a full-stack team
  • Track record of delivering high impact features and leading projects
  • You know how to monitor, troubleshoot, and improve system performance through logging and metrics
  • You’re hungry to learn more and willing to take on challenging projects if it means you’ll be a better engineer at the end
  • Passionate about writing testable code, with experience in API design and unit/integration testing
  • Thrive in a collaborative, team-environment where you ship features together
  • Passionate about making users happy and seeing people use your product in the wild
  • Embrace the agile mindset—ship quickly, iterate, and refine
  • Work with fellow engineers, product managers, designers, and user researchers to build amazing features with a goal of increasing our consumer footprint at Toast
  • Flex your backend muscles with challenging end-to-end tasks in a supportive, collaborative team environment
  • Ship code that has a massive impact on the growth and strategy of Toast
  • Experiment directly with Guests and Restaurants to test new dining experiences
  • Champion best practices for development, deployment and quality life-cycles

AWSBackend DevelopmentAgileJavaKotlinAPI testingCI/CDRESTful APIsMicroservicesSoftware EngineeringDebugging

Posted 24 days ago
Apply
Apply

📍 Canada, United States, Romania

🧭 Full-Time

🔍 Software Development

🏢 Company: Cresta👥 101-250💰 $125,000,000 Series D 6 months agoAutomotiveCustomer ServiceArtificial Intelligence (AI)Intelligent SystemsRetailMachine LearningTelecommunicationsNatural Language ProcessingSoftware

  • Proven experience as a Backend Engineer with a focus on database design and system architecture.
  • Strong expertise in ClickHouse or similar columnar databases for managing large-scale, real-time analytical queries.
  • Hands-on experience with Elasticsearch for indexing and searching large datasets.
  • Proficient in backend programming languages such as Python, Go.
  • Experience with RESTful API design and development.
  • Solid understanding of distributed systems, microservices architecture, and cloud infrastructure.
  • Experience with performance tuning, data modeling, and query optimization.
  • Strong problem-solving skills and attention to detail.
  • Excellent communication and teamwork abilities.
  • Design, implement, and maintain backend services and APIs to support applications.
  • Build and optimize data storage solutions using Postgres, ClickHouse and Elasticsearch to ensure high performance and scalability.
  • Collaborate with cross-functional teams, including frontend engineers, data scientists, and machine learning engineers, to deliver end-to-end solutions.
  • Monitor and troubleshoot performance issues in distributed systems and databases.
  • Write clean, maintainable, and efficient code following best practices for backend development.
  • Participate in code reviews, testing, and continuous integration efforts.
  • Ensure security, scalability, and reliability of backend services.
  • Analyze and improve system architecture, focusing on performance bottlenecks, scaling, and security.

Backend DevelopmentPostgreSQLPythonSQLElasticSearchClickhouseGoRESTful APIsMicroservicesData modeling

Posted 28 days ago
Apply
Apply

📍 United States

🧭 Full-Time

🔍 Software Development

🏢 Company: Udacity👥 1001-5000💰 $5,000,000 over 3 years ago🫂 Last layoff over 2 years agoEducationEdTechArtificial Intelligence (AI)E-LearningTrainingMachine LearningRoboticsSoftware

  • Fluency in Japanese and English.
  • Strong backend engineering skills, specifically in Go/Node.js.
  • Substantial experience with AI tools and frameworks (Cursor, Claude Code).
  • Passionate about creating user-centric solutions tailored to the Japanese market.
  • A self-driven learner with a love for innovative technologies and building impactful products.
  • Develop and maintain robust, scalable translation tools leveraging cutting-edge AI technologies.
  • Design and implement reliable backend services using Go and Node.js, ensuring performance, scalability, and maintainability.
  • Collaborate closely with product managers, AI researchers, designers, and fellow engineers to deliver exceptional localization solutions.
  • Continuously explore, test, and adopt advanced AI development tools like Cursor, Claude Code, or similar technologies to accelerate product development and innovation.

Backend DevelopmentDockerNode.jsArtificial IntelligenceCloud ComputingKubernetesGoREST APICI/CDMicroservicesSoftware Engineering

Posted about 1 month ago
Apply