CrawlJobs Logo

Senior Backend & Infrastructure Engineer

United States; United Kingdom; Germany; Spain; Poland; Netherlands; India Employment contract 80000.00 - 120000.00 USD / Year · Job Posted July 04, 2026
Apply Position
Job Link Share

Job Description

Build the technical backbone for labs that run themselves. This is a hands-on backend and infrastructure role. You will write production code, make architecture choices, and own systems from design through deployment, monitoring, and incident response.

Job Responsibility

  • Design, build, and operate cloud infrastructure across AWS and Azure for scale, reliability, security, and cost efficiency
  • Build and evolve backend services in Python and FastAPI, Java and Spring Boot, or closely related frameworks
  • Own backend reliability and performance across services, dependencies, queues, caches, databases, and external integrations
  • Build and improve CI/CD pipelines so the team can deploy quickly, safely, and with clear rollback paths
  • Run production end to end
  • Design event-driven and asynchronous workflows using RabbitMQ or similar messaging systems
  • Use Redis and other caching patterns to improve latency, throughput, and resilience
  • Operate relational data stores in RDS, graph workloads in Cosmos DB, and NoSQL or vector workloads in MongoDB Atlas
  • Build useful observability with logs, metrics, traces, dashboards, and alerts using tools such as Datadog and ELK
  • Improve network and application security
  • Turn repeated operational work into code, tools, runbooks, and guardrails that raise developer velocity
  • Make clear trade-offs among speed, reliability, maintainability, compliance, and cloud cost

Requirements

  • Roughly 3+ years of experience building and operating backend, platform, DevOps, SRE, or infrastructure systems
  • Strong production backend experience with Python and FastAPI, Java and Spring Boot, or a comparable stack
  • A solid grasp of distributed systems, asynchronous processing, failure modes, retries, idempotency, and message-driven architecture
  • Hands-on experience with AWS and Azure
  • Solid understanding of AI pipelines, prompt looping, langfuse tracing, and context engineering
  • Experience with Docker and Kubernetes
  • Strong database fundamentals across relational systems such as MySQL or PostgreSQL
  • Exposure to graph, NoSQL, or vector data systems
  • Experience designing and consuming REST APIs
  • Experience operating services that other teams or customers depend on
  • Proven ownership of systems from architecture and implementation through deployment, monitoring, debugging, and optimization
  • Strong production debugging and performance-tuning skills
  • The ability to move from a symptom to the root cause across application code and infrastructure
  • Good security instincts around secrets, access control, network boundaries, data protection, and regulated environments
  • Clear written and verbal communication

Nice to have

  • Infrastructure as code with Terraform or a similar tool
  • Datadog, ELK, OpenTelemetry, or another observability stack
  • Microservices and event-driven systems at meaningful production scale
  • Vector search, AI infrastructure, or LLM-powered applications
  • Security, compliance, audit trails, or regulated software environments
  • Experience in an early-stage startup where you operated beyond a narrow job boundary
  • Life-science, lab, healthcare, manufacturing, or other data-heavy workflow experience
  • Building short term or long term memory layer using databases that work well with agents

Looking for more opportunities?

Search for other job offers that match your skills and interests.

Similar Jobs for

Senior Backend & Infrastructure Engineer

8 matching positions

Senior Backend Engineer - Infrastructure

The ClickPipes Platform plays a critical role in driving the growth of our compa...
Location
Location
Canada
Salary
Salary:
Not provided
clickhouse.com Logo
ClickHouse
Expiration Date
Until further notice
Flip Icon
Requirements
Requirements
  • 5+ years of industry experience building as a backend engineer
  • Expertise in Golang, Kubernetes, Terraform (or comparable IaC tool), cloud-native architecture and solid knowledge of at least one major cloud service provider
  • Customer Focus: Have a deep commitment to understanding and addressing customer needs
  • Collaboration: Excellent communication skills and a track record of working effectively across teams
  • Problem Solver: Exceptional production debugging skills
  • High Autonomy: Thrives in a high-velocity setting with significant ownership and autonomy
  • Mindset: A founder’s mindset with a focus on impact, innovation, and delivering measurable results
Job Responsibility
Job Responsibility
  • Enhance and scale our high-performance data onboarding platform to handle increasing volumes of data in real-time
  • Own and evolve our infrastructure across multiple cloud providers (AWS, with expansion to GCP and Azure)
  • Drive improvements to our deployment pipelines, infrastructure automation, and operational processes
  • Drive technical discussions and contribute to architectural decisions that impact our platform's scalability and resilience
  • Participate in on-call rotations to ensure system reliability and respond to production incidents
  • Continuously improve our systems based on operational metrics, customer feedback, and evolving business requirements
What we offer
What we offer
  • Flexible work environment - ClickHouse is a globally distributed company and remote-friendly
  • Healthcare - Employer contributions towards your healthcare
  • Equity in the company - Every new team member who joins our company receives stock options
  • Time off - Flexible time off in the US, generous entitlement in other countries
  • A $500 Home office setup if you’re a remote employee
  • Global Gatherings – opportunities to engage with colleagues at company-wide offsites
Read More
Arrow Right

Senior Backend Engineer - Infrastructure

The ClickPipes Platform plays a critical role in driving the growth of our compa...
Location
Location
United States
Salary
Salary:
164000.00 - 214000.00 USD / Year
clickhouse.com Logo
ClickHouse
Expiration Date
Until further notice
Flip Icon
Requirements
Requirements
  • 5+ years of industry experience building as a backend engineer
  • Expertise in Golang, Kubernetes, Terraform (or comparable IaC tool), cloud-native architecture and solid knowledge of at least one major cloud service provider
  • Deep commitment to understanding and addressing customer needs
  • Excellent communication skills and a track record of working effectively across teams
  • Exceptional production debugging skills
  • Ability to thrive in a high-velocity setting with significant ownership and autonomy
  • A founder’s mindset with a focus on impact, innovation, and delivering measurable results
Job Responsibility
Job Responsibility
  • Enhance and scale our high-performance data onboarding platform to handle increasing volumes of data in real-time
  • Own and evolve our infrastructure across multiple cloud providers (AWS, with expansion to GCP and Azure)
  • Drive improvements to our deployment pipelines, infrastructure automation, and operational processes
  • Drive technical discussions and contribute to architectural decisions that impact our platform's scalability and resilience
  • Participate in on-call rotations to ensure system reliability and respond to production incidents
  • Continuously improve our systems based on operational metrics, customer feedback, and evolving business requirements
What we offer
What we offer
  • Flexible work environment
  • Healthcare - Employer contributions towards your healthcare
  • Equity in the company - Every new team member who joins our company receives stock options
  • Flexible time off in the US, generous entitlement in other countries
  • A $500 Home office setup if you’re a remote employee
  • Global Gatherings – opportunities to engage with colleagues at company-wide offsites
  • Fulltime
Read More
Arrow Right

Senior Backend Engineer - ZEOS

The ZEOS B2B Platform is the high-performance engine that allows our partners to...
Location
Location
Germany , Berlin
Salary
Salary:
Not provided
zalando.se Logo
Zalando Sverige
Expiration Date
Until further notice
Flip Icon
Requirements
Requirements
  • Seasoned Java Developer: You are a seasoned Java Developer with deep expertise in Spring Boot and a strong grasp of the modern JVM ecosystem (including build tools like Gradle).
  • Thoughtful Architect: You have extensive experience in Microservice architectures, distributed systems, and designing clean, versioned REST APIs.
  • Cloud Native Contributor: You are proficient in deploying and operating applications within AWS and are comfortable navigating Kubernetes environments.
  • Quality-Minded Practitioner: You are highly skilled in building CI/CD pipelines and believe that automated testing and observability are fundamental to "Senior" level engineering.
  • Agile Partner: You thrive in agile environments, taking ownership of complex topics and moving them from discovery to production with an analytical and solution-oriented mindset.
  • Effective Communicator: You possess excellent English skills and the ability to translate technical complexity into actionable plans for both engineers and stakeholders.
  • Fullstack-Curious: You have an interest in how the frontend consumes your services and are happy to jump across the stack to help the team deliver a cohesive product.
Job Responsibility
Job Responsibility
  • Engineer Scalable Backend Systems: Design, develop, and evolve high-performance Microservices using Java and Spring Boot, ensuring they handle the complexities of a global B2B landscape.
  • Design Intuitive APIs: Help us build RESTful services that prioritize clarity and ease of use, ensuring a seamless experience for every developer who interacts with our platform.
  • Own the Full Lifecycle: Support the "You Write It, You Run It" philosophy. You will be responsible for the entire journey of your code—from initial design and Gradle-based builds to deployment and 24/7 operational health.
  • Master Cloud Infrastructure: Leverage AWS and Kubernetes to build resilient, distributed systems that are compliant-by-design and operationally transparent.
  • Drive Engineering Standards: Set the bar for code quality through rigorous testing, code reviews, and the use of modern tools like Jackson for efficient data processing.
  • Collaborate Across the Stack: While your heart is in the backend, you enjoy collaborating with frontend teams and have an interest in Fullstack contexts to ensure end-to-end feature success.
  • Mentor and Guide: Actively share your knowledge within the team and across the ZEOS community, helping to navigate technical uncertainty and architectural trade-offs.
What we offer
What we offer
  • 27 days of holiday a year to start for full-time employees (+1 day for every calendar year up to 30 days)
  • 2 paid volunteering days a year
  • Hybrid working model with up to 60% remote per week, actual practice is up to each team to best support their collaboration
  • Work from abroad for up to 30 working days a year
  • Employee shares program
  • 40% off fashion and beauty products sold and shipped by Zalando, 30% off Lounge by Zalando, discounts from external partners
  • Relocation assistance available (subject to prior agreement)
  • Family services, including counseling and support
  • Health and wellbeing options (including Wellhub, formerly Gympass)
  • Mental health support and coaching available
  • Fulltime
Read More
Arrow Right

Senior Backend Engineer (Go/Java) - Global Fintech Contract

Title: Senior Backend Engineer (Go/Java) - Global Fintech Contract Location: Cen...
Location
Location
United Kingdom , City of London
Salary
Salary:
450.00 - 500.00 GBP / Day
https://www.randstad.com Logo
Randstad
Expiration Date
July 28, 2026
Flip Icon
Requirements
Requirements
  • Demonstrable seniority as a backend engineer owning complex services in production
  • Production-level expertise in Go and/or Java
  • Experience building or maintaining high-volume, low-latency distributed systems
  • Strong API design skills
  • Hands-on experience with AWS cloud-native deployment
  • A systems-thinking approach to performance, correctness, and failure modes under load
  • Background in payments, fintech, or financial services is highly advantageous.
Job Responsibility
Job Responsibility
  • You will join a critical API team responsible for high-throughput backend services and real-time payment routing decisions. This is foundational infrastructure where your work directly affects payment acceptance rates for some of the fastest-moving brands globally. You will own complex problems end-to-end from day one.
What we offer
What we offer
  • Market Rate/ Negotiable
  • Fulltime
Read More
Arrow Right

Senior Backend Engineer - MPG

At The Multiplayer Group (MPG), we create world-class multiplayer experiences th...
Location
Location
United Kingdom
Salary
Salary:
Not provided
climaxstudios.com Logo
Climax Studios
Expiration Date
Until further notice
Flip Icon
Requirements
Requirements
  • Experience in game development and having worked on at least two game titles in a commercial setting developing server backends for AAA games, free-to-play (mobile) games, casino apps or similar
  • Experience releasing at least two backend services with a large number of concurrent users
  • Production experience with at least one of Java, Golang, C#, C++, Kotlin
  • experience with Python, Node.js and React is desirable
  • Experience with cloud platforms: Amazon Web Services, Google Cloud and Microsoft Azure
  • having an AWS Certification (Associate or above) would be advantageous
  • Experience with infrastructure as code tools, e.g. Terraform
  • Ability to create supporting documentation, designs, comments, etc
  • Ability to discuss technical and production matters
  • Excellent time management and ability to work autonomously
Job Responsibility
Job Responsibility
  • Individual contribution: construct systems, write code, deployments, etc.
  • Work with the team lead and stakeholders to estimate and prioritise work
  • Work alongside peers to iterate on solutions that fit requirements
  • Keep the project lead and producer apprised of revised estimates and delivery times
  • Promote and maintain high standards and process: tests, CI/CD, documentation
  • Help and support team members in day-to-day work
  • Understand, maintain and expand existing code and develop new features or systems
What we offer
What we offer
  • Flexible working: Remote-friendly long before it was the norm, with core hours that support both great work and real life
  • Support & wellbeing: Mental health first-aiders, therapy and coaching via Myndup, plus private medical insurance to help you stay healthy and supported
  • Pension & life cover: A strong pension plan and life insurance to support your future and protect your family
  • Time for you: Minimum 25 days’ holiday, a paid winter break, and 3 volunteering days each year to give back to causes you care about
  • Parental leave: Family-first policies that support parents and caregivers with flexibility and balance
  • Levelling up: Annual L&D budget, expert talks, game jams, and mentoring opportunities to help you grow your skills and career
  • Fulltime
Read More
Arrow Right

Senior Backend Engineer

My client is a well funded early stage startup building a high scale social plat...
Location
Location
United States , New York
Salary
Salary:
150000.00 - 300000.00 USD / Year
apollo-solutions.com Logo
Apollo Solutions
Expiration Date
Until further notice
Flip Icon
Requirements
Requirements
  • Strong expertise in TypeScript, Node.js, and NestJS, with the ability to design and build production grade backend systems
  • Proven experience implementing secure authentication systems using OAuth, FIDO2 or WebAuthn, and JWT
  • Hands on experience working with Prisma ORM, PostgreSQL or Aurora, Redis, and DynamoDB across high-scale environments
  • Strong understanding of distributed systems, including event driven architecture, pub sub patterns, and message brokers such as Kafka or AWS MSK
  • Experience building real time systems
  • Deep familiarity with AWS and cloud infrastructure, including services such as Aurora Global Database, RDS Proxy, ElastiCache or Valkey, EKS, and Terraform
  • Experience working with observability tooling such as LGTM stack and implementing modern CI/ CD pipelines
  • Proven track record of building external facing systems where performance, concurrency, and reliability are critical
Job Responsibility
Job Responsibility
  • Design, build, and deploy backend services using TypeScript and NestJS with a focus on performance, scalability, and maintainability
  • Architect and implement high traffic APIs, authentication systems, and distributed services enabling real-time and AI-enhanced product features
  • Model and optimize data systems across relational databases, caches, and event streaming platforms to support both operational workloads and AI-driven insights
  • Build resilient, event-driven systems using pub sub patterns and long-lived connections that handle large scale concurrent usage
  • Work closely with AWS infrastructure to improve deployment pipelines, scalability, and overall system reliability
  • Support backend systems that enable AI and machine learning workflows, including data pipelines and real-time inference services
  • Collaborate with a small, high-performing engineering team to make strong technical decisions and execute quickly with high ownership
  • Fulltime
Read More
Arrow Right

Senior Backend Engineer

As a Senior Backend Engineer, you'll dive into complex technical challenges, cra...
Location
Location
Israel , Tel Aviv
Salary
Salary:
Not provided
gong.io Logo
Gong
Expiration Date
Until further notice
Flip Icon
Requirements
Requirements
  • 7+ years of hands-on experience in large-scale backend development, with a strong emphasis on Java programming (a must)
  • Strong analytical and problem-solving skills, with the ability to debug and resolve complex technical issues efficiently
  • Experience with cloud platforms (AWS, Azure, or Google Cloud) and building scalable microservices architectures
  • Advantageous experience with infrastructure as code, CI/CD pipelines, and building data-oriented applications and APIs
  • Excellent communication skills, both verbal and written, with the ability to articulate technical ideas clearly and collaborate effectively within a team environment
  • A Bachelor’s degree in Computer Science, Engineering, or a related field is preferred
Job Responsibility
Job Responsibility
  • Leading the design and implementation of complex, scalable, and high-performance backend services and APIs
  • Taking end-to-end ownership of major product initiatives, from initial design to coordinating delivery across Backend, Frontend, and Product teams
  • Establishing and driving team-level best practices for code quality, testing strategies, and CI/CD processes
  • Analyzing and debugging intricate challenges across the stack to ensure long-term system reliability
  • Managing risks and coordinating dependencies between multiple teams to ensure seamless feature delivery
  • Implementing preventive measures and high-performance solutions to keep services running smoothly under load
  • Building the foundation for high-performance services that directly affect the stability and speed of the entire product
  • Elevating the team's technical bar through the implementation of robust CI/CD and quality processes
  • Shaping how major initiatives are executed, ensuring technical excellence is balanced with business milestones
  • Fulltime
Read More
Arrow Right

Senior Backend Engineer

Coralogix is a modern, full-stack observability platform transforming how busine...
Location
Location
Poland
Salary
Salary:
Not provided
coralogix.com Logo
Coralogix
Expiration Date
Until further notice
Flip Icon
Requirements
Requirements
  • 5+ years of software development experience in backend code in Rust or JVM languages
  • 5+ years of experience developing and operating backend systems in production
  • Familiarity with Observability tools, Kafka
  • Experience with Kubernetes
  • Comfortable working with AI-assisted development and agentic workflows, with the judgment to validate outputs to production standards (correctness, security, performance, maintainability)
  • Proficiency with modern JavaScript frontend frameworks (Angular, React, etc.)
  • Familiarity with incident lifecycle processes, including detection, investigation, escalation, and resolution
  • Strong analytical and problem-solving skills
  • Excellent written and verbal communication skills
Job Responsibility
Job Responsibility
  • Help shape and build a seamless onboarding experience across a wide range of data ingestion integrations, covering logs, metrics, traces, and profiles
  • Own the backend (Rust) infrastructure powering these integrations and work within a shared frontend (Angular) codebase
  • Own the extensions platform enabling customers to deploy dashboards, alerts, parsing rules, and other Coralogix-native configurations
  • Take end-to-end ownership of features across the stack, from research and design through production
  • Ramp into our Rust services powering data ingestion and transformation, growing into full on-call readiness over time
  • Write high-quality code within the shared frontend codebase
  • Build and maintain integrations that handle massive volumes of telemetry data while keeping the experience simple and reliable for customers
  • Use AI tools daily for drafting designs, generating scaffolding, debugging, writing tests, and automating repetitive tasks
  • Fulltime
Read More
Arrow Right