Build and operate resilient distributed systems (1,000+ TPS) for payment tokenization and related services. Partner with Product, integrate AI agents across the SDLC, implement observability, optimize for scale and latency, participate in on-call rotations, and uphold code quality. Requires 6+ years Java/Spring experience and hands-on experience with cloud-native stacks, message brokers, observability tooling, and CI/CD.

Join a veterinary software company as a Senior Full-Stack Engineer to design and build SaaS products used by animal hospitals. Responsibilities include taking ownership from scoping to release, designing scalable solutions, building with Elixir and React, working with GraphQL and relational databases, mentoring junior engineers, and collaborating with product, engineering, and QA. Candidate must be located in Latam (title specifies Brazil), have 5+ years building modern SaaS applications, deep knowledge of Elixir/Erlang or another functional language, and fluent English.

Remote Senior Full-stack role focused on building and maintaining veterinary SaaS using Elixir (or Erlang/other functional language) for back end and React for front end. Responsibilities include end-to-end ownership from scoping to release, designing scalable solutions, working with GraphQL and relational databases, mentoring junior engineers, collaborating with product/QA, and troubleshooting complex customer issues. Located in Latin America; requires fluent English and 5+ years building modern SaaS applications.

Tide is hiring a Senior Python Engineer in Bulgaria to own and maintain backend services within a domain, collaborate with product and cross-functional teams, mentor engineers, and contribute to architecture and Communities of Practice. The role uses Python, Django/FastAPI/Flask, AWS (Lambda, Fargate, EKS, SQS, SNS, SES, S3), Postgres, BigQuery, Terraform and emphasizes microservices, REST APIs and event-driven patterns. Salary range: €51,000–€63,500 per year. Flexible/hybrid working supported.

Work on Tide’s event-driven microservice platform (200+ services). Design, build, run and scale backend services using Java 21, Spring Boot and JOOQ; expose and consume RESTful APIs; use SNS/SQS and Kafka for events; primary datastore PostgreSQL via Aurora on AWS. Deploy frequently via CI/CD (GitHub Actions), use ArgoCD, Docker, Terraform and EKS/Kubernetes; monitor with Coralogix. Collaborate with Product Owners and follow cloud-native, well-tested engineering practices.

Join Tide's engineering organisation to design, build, deploy and operate backend microservices in an event-driven architecture using Java 17, Spring Boot and JOOQ. The role involves working with AWS services (Aurora, SNS/SQS), Kafka, CI/CD (GitHub Actions), GitOps (ArgoCD), containerisation (Docker, EKS/Kubernetes) and monitoring (DataDog). Gross monthly salary range: 4850€–9325€.

Tide is hiring a Lead Backend Engineer in Bulgaria to design, build, run and scale microservices in an event-driven architecture. The role uses Java 17, Spring Boot, JOOQ, RESTful APIs, Kafka, SNS/SQS, PostgreSQL (Aurora) and AWS, and involves CI/CD (GitHub Actions), GitOps (ArgoCD), containerisation (Docker/EKS/Kubernetes) and observability with DataDog. The position emphasises ownership of services, deploying to production frequently, and collaborating with Product Owners on product and regulatory requirements. Salary range: €56,800–€71,000 per year.

Lead the engineering delivery of the subscriptions platform across multiple markets, owning technical direction and execution. Manage and develop a team of engineers, partner with Product and stakeholders (Billing, Payments, Marketing, Data, Finance), and build scalable, secure, well-tested cloud-native microservices. Requires 10+ years experience building server-side applications and strong Java expertise.

Remote position for an experienced WordPress/PHP developer to serve as lead developer. Responsibilities include coding custom themes, templates and plugins; building reusable PHP modules; integrating APIs and third-party apps (including Eloqua and ad tech); ensuring performance and responsiveness; front-end work for sites, landing pages and emails; and advising on SEO, accessibility and analytics. Requires 3+ years web development experience and a Bachelor's degree in Computer Science or related field.

Ramp is hiring a Software Engineer to own and scale stablecoin-based payment and treasury systems, integrating with external partners and core products. The role expects production experience with stablecoin/blockchain payments, cloud platforms (AWS/GCP/Azure), IaC (Terraform), proficiency in languages like Python/Go/Java, and experience with security-sensitive systems (key management, wallet security). Location options include New York, NY or San Francisco, CA; relocation support to NYC or SF is offered.

Privy is hiring a Fullstack Engineer with 8+ years of experience to own product, architecture, and infrastructure for developer-focused APIs and tooling. Responsibilities include designing intuitive interfaces, building end-to-end client and server APIs, implementing product features, enforcing web development best practices, and collaborating closely with design and security teams. Strong experience with React, TypeScript, Next.js, production systems at scale, and developer documentation is required.

Work on core infrastructure and related platform teams at Stripe to design, build, test, and ship backend systems. Responsibilities include building internal and external customer-facing infrastructure, debugging production issues across the stack, and collaborating on roadmaps. Minimum requirement: 2+ years professional software development experience and hands-on experience with large-scale distributed systems.

SeatGeek is hiring a Senior Software Engineer to build and operate containerized, service-oriented systems (backend and frontend) for a high-traffic ticketing marketplace. The role involves shipping code frequently, solving performance and scaling challenges, and working across teams. Tech mentioned: Python (FastAPI), Go, C#, React+TypeScript, Swift, Kotlin, AWS, Kubernetes, Kafka, Flink, Airflow, Temporal, Postgres/Aurora, ElastiCache, OpenSearch, DynamoDB. Salary range: $144,000–$209,000 USD/year.

Reddit is hiring a mid-level backend engineer for the Ads organization to build and maintain microservices, APIs, distributed and real-time data systems that power ads.reddit.com and interactive ad experiences. Responsibilities include collaborating with product, platform and data teams, improving operational stability, delivering dashboards and building extensible components. Requires 3+ years of software development experience. Base salary range listed: $164,200–$229,900 USD per year.

Reddit seeks a mid-level backend engineer for its Ads organization (remote, Ontario, Canada listed). Responsibilities include building microservices and APIs, distributed and real-time data-intensive systems, and collaborating with product and platform teams. Tech stack includes Go, Python, Scala, Spark, Kafka, Postgres, BigQuery, Redis, Druid, Kubernetes, Argo and Docker. Requires 3+ years of software development experience.

Mid-level backend engineer role within Reddit's Ads organization working on microservices, APIs, distributed and real-time data systems for advertiser-facing products. Technologies listed include Go, Python, Scala, Spark, Thrift, Baseplate, Kafka, Postgres, BigQuery, Redis, Druid, Kubernetes, Argo, and Docker. Responsibilities include feature ownership, collaborating with product/platform/data teams, improving operational stability, and building extensible components.

Work on Reddit's first-party GraphQL API layer: design, build, and operate a Go-based federated GraphQL platform at massive scale. Responsibilities include improving functionality, scalability, observability, and developer tooling; tuning for latency and resilience; mentoring teammates; and sharing on-call duties. Requires 5+ years building large-scale distributed backend systems; Go preferred; experience with Kubernetes, CI/CD, and AWS/GCP.

Generalist senior backend engineer on Reddit's Ads organization. Work includes building microservices and APIs for advertiser products, distributed and real-time data-intensive systems, interactive ad backends, and infrastructure using Go, Python, Scala, Spark, Kafka, Postgres, BigQuery, Redis, Druid, Kubernetes, Argo, and Docker. Requires 5+ years of software development experience.

Build and scale core P2P backend systems (invoice ingestion, approval workflows, payment orchestration, reconciliation) with a focus on correctness, auditability, and reliability. Requires 3+ years backend engineering experience (ideally fintech/payments), strong Python or comparable backend language skills, SQL, experience with data-intensive distributed systems and event-driven architectures, and collaboration with finance/risk/product stakeholders.

Work on backend services that power Ramp’s accounting platform, processing millions of transactions across card, bill pay, reimbursements, and treasury. Responsibilities include building scalable, auditable systems with high data integrity, improving developer tooling, and enabling AI-powered accounting features. Relocation support to NYC or SF is available; global benefits are described in the posting.