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Senior Software Engineer, Backend (Platform) at Optimal Dynamics

NewBe an early applicant North AmericaFull-timeSenior

Senior/Staff backend engineer on the Platform Engineering team at Optimal Dynamics, building and scaling the core AWS infrastructure, CI/CD tooling, and security controls that let product teams ship quickly on a freight-logistics AI platform. Day to day spans Python/Django services, Terraform IaC, observability, and mentoring other engineers.

AI Analytics Anthropic Aurora Automation +37 skills

180K – 220K $

Next Frontier Capital

Lead Java Engineer — Frontend & Backend Architect

NewBe an early applicant North AmericaLead

Lead Java engineer on JPMorganChase's Wholesale Credit Risk Technology team in Jersey City, building secure, scalable risk products. Day to day: leading development and code reviews, driving automation, and championing CI/CD and security best practices across frontend and backend work.

Automation CI/CD

CVector Energy Corp.

Senior Software Engineer - Backend & AI Infra

NewBe an early applicant North AmericaSenior

Senior backend/AI-infrastructure engineer at CVector, which builds real-time economic optimization and AI prediction software for energy and manufacturing plants. Day to day: evolving time-series data systems (PostgreSQL, TigerData), MQTT ingestion pipelines, AI evals/fine-tuning, and cloud infrastructure on AWS, from the NYC office 4 days/week.

AI Analytics API AWS CI/CD +18 skills

132K – 150K $

jobs.frontdoordefense.com - Jobboard

Senior Software Engineer - Backend

NewBe an early applicant North AmericaSenior

Designs, builds, and maintains the backend services and cloud infrastructure for an autonomous trucking company's remote assistance platform, handling real-time data streaming, command processing, and communication between autonomous vehicles and human operators. Core stack: Go/Python, gRPC/protobuf, Redis, AWS, Docker/Kubernetes.

API AWS Cloud Containerization Data Pipelines +10 skills

153K – 222K $

Senior Software Engineer, Backend

NewBe an early applicant HybridNorth AmericaFull-timeSenior

Senior Backend Software Engineer at Grow Therapy (mental-healthcare marketplace) designs, builds, and operates server-side services and APIs end to end — spanning provider search/booking, client activation, and insurance claims — with a focus on reliability, data quality, and A/B testing. Hybrid: 3 days/week onsite from NYC, SF, or Seattle hubs.

A/B Testing Accessibility AI API Authentication +4 skills

212K – 250K $

Senior Software Engineer, Backend

NewBe an early applicant North AmericaSenior

Senior backend engineer at Worldcoin who owns the World App backend architecture while staying hands-on, shipping mission-critical features across product teams and driving engineering best practices. Core stack is TypeScript and/or Rust on AWS, with a focus on programmable blockchains for finance, privacy, and digital identity.

AWS Data Science Developer Experience Gdpr Rust +1 skills

216K – 240K $

Senior Software Engineer, Backend

NewBe an early applicant HybridNorth AmericaSenior

Senior backend engineer on Tubi's Core Experience Backend team, building high-performance, disaster-resilient APIs and microservices in Elixir on Kubernetes for a free streaming service with 100M+ monthly users. Hybrid role based in San Francisco with two office days per week, plus an emphasis on AI-augmented development practices.

AI Anomaly Detection API Api Design Automation +12 skills

186K – 266K $

Carex Consulting Group

Senior Backend Software Engineer

NewBe an early applicant North AmericaSenior

Carex Consulting Group is hiring a Senior Backend Software Engineer for a technology partner building an advanced engineering simulation platform. Day to day: designing scalable backend services and web APIs, building hybrid-cloud HPC infrastructure with Kubernetes and Terraform, and optimizing distributed compute workloads using Java, Python, or C++ on AWS.

Ansible API Authentication Automation AWS +17 skills

Salesforce.com, inc.

Senior Backend Software Engineer

Open 0d HybridNorth AmericaSenior

Senior backend engineer building features across Salesforce's clouds (Marketing, Commerce, Sales, Service, Einstein, Slack, Heroku, etc.): designing and tuning multi-tenant APIs, handling large-scale cloud data with CI/CD and test-driven development, and using AI coding tools (Cursor, Claude, OpenAI API) and prompt engineering as a core part of the workflow.

Agentic AI AI API AWS Azure +15 skills

149K – 224K $

Siteline Technologies, Inc

Senior Backend Engineer — Infra & Platform Scaling (Remote)

NewBe an early applicant North AmericaSenior

Siteline is hiring a senior backend engineer to own critical infrastructure, shape APIs and data models, and scale the product for a growing customer base. The role blends architectural leadership with hands-on backend implementation on a small, collaborative team.

Description Ciklum

Senior Backend Engineer - Fraud Detection & Trust (Remote)

NewBe an early applicant RemoteNorth AmericaSenior

Ciklum is hiring a Senior Backend Engineer for a fully remote role based in Poland, joining a cross-functional squad building trust and fraud-detection backend systems. Day to day the engineer owns features from ideation to deployment using TypeScript, serverless and cloud-native patterns, collaborating with product, design, and data science teams.

AI Cloud Cloud Native Data Science Machine Learning +2 skills

Remote AI Backend Engineer – Guardrail & API Systems

NewBe an early applicant North AmericaContract

Design and build backend services, APIs, and integrations that enforce guardrails governing AI-driven system behavior, with hands-on leadership in Python and TypeScript. A contract-to-hire position at Eliassen Group with W2 payroll and benefits including medical, dental, vision, and 401k matching.

AI API Python TypeScript

Lead Software Engineer - Backend Engineering - Java/Kotlin

NewBe an early applicant North AmericaLead

Lead backend engineer on JPMorgan Chase's Accelerator team (Chase), building customer-facing banking products with JVM languages (Java/Kotlin) in a cloud-native, multi-cloud environment. Day to day: domain modeling, scalable and secure architecture, zero-downtime releases, and reliability/performance work.

Cloud Cloud Native Fintech Java JVM +1 skills

Senior Backend Engineer - Laravel Specialist (Remote)

NewBe an early applicant RemoteNorth AmericaSenior

Senior backend engineer who ships 0-to-1 features on LaraBench's core platform, owning architecture, quality via testing pipelines, and observability in a remote-first team. Core stack: Laravel, PHP 7+, MySQL on Kubernetes.

Kubernetes Laravel MySQL Observability PHP

AI Guardrail Backend Engineer – Remote (Contract-to-Hire)

NewBe an early applicant North AmericaContract

Contract-to-hire AI Software Engineer role through staffing firm Eliassen Group: designs and builds AI guardrail components, backend services, APIs, and integrations across distributed systems, with hands-on coding in Python and TypeScript. Based on-site in Cincinnati, OH at a competitive W2 hourly rate.

AI API Distributed Systems Python TypeScript

Zuven technologies Inc

Senior Java Backend Engineer - Remote | AWS Cloud

NewBe an early applicant RemoteNorth AmericaSenior

Builds enterprise-grade backend solutions at scale using Java and Spring Boot, collaborating across the full software development lifecycle. Requires deep experience with PL/SQL, AWS services, and CI/CD with Docker and microservices, plus strong stakeholder communication. This is a remote role.

AI AWS CI/CD Docker Java +3 skills

GCP Event-Driven Backend Engineer (Python)

NewBe an early applicant North America

Designs and implements event-driven backend systems on Google Cloud Platform using Python, deploying asynchronous services via Pub/Sub, Dataflow, Cloud Functions, and Cloud Run, and defining event schemas with Avro, Protobuf, and JSON.

API Cloud Event Driven Architecture GCP JSON +2 skills

Scientific Games Products (Australia) PTY Ltd

C# .NET Backend Engineer (REST APIs)

NewBe an early applicant North America

Software developer at Scientific Games designing, building, and maintaining lottery and gaming platforms, focused on C#/.NET and Kotlin back-end services and RESTful APIs, with supporting front-end work in Angular, HTML, CSS, and JavaScript in an Agile environment.

Agile Angular API C# CSS +5 skills

Next Frontier Capital

Lead Backend Engineer - Java Spring Boot, Kafka

NewBe an early applicant North AmericaLead

Lead Software Engineer at JPMorgan Chase's Digital Post Trade Technology group in Jersey City, NJ: driving design, development, and delivery of scalable, secure post-trade products — building production-grade Java applications (Spring Boot, Kafka), reviewing code, and guiding architecture discussions with stakeholders.

Backend Engineer - Scalable APIs & Systems

NewBe an early applicant North America

REALIGN LLC is hiring a backend engineer in Sunnyvale to design, build, and scale backend services and web applications. Day to day they craft secure RESTful APIs, join architecture discussions, and own quality through automated testing, CI/CD, documentation, and version control.

API CI/CD REST Test Automation Version Control