Staff Backend Engineer Job at Playlab

Staff Backend Engineer

Kalepa is looking for a Staff Backend Engineer to work on its AI Copilot platfor...

Location

Salary:

145000.00 - 185000.00 USD / Year

Kalepa

Expiration Date

Until further notice

Requirements

8+ years of relevant software engineering experience
Excellent development skills including design, debugging and problem solving
Bachelors or master's degree in computer science or a related field
Experience with Python3 or other OO languages (Java, C++, C#, etc.)
Experience with AWS (EC2, Lambda, etc.) and serverless technologies
Experience with relational databases, preference for PostgreSQL
Experience working on distributed systems creating scalable, fault-tolerant infrastructure
Experience building data driven microservices leveraging RESTful API's
Experience with tools such as Docker, Git, GitHub, Flask, NumPy, Pandas

Job Responsibility

Work on advanced systems including NLP, firmographic data, entity resolution
Solve problems at the intersection of large and performant data pipelines, distributed systems, machine learning models, and robust infrastructure
Collaborate with a global team of full-stack, data, ML, and DevOps engineers
Build scalable and reliable backend solutions

What we offer

Competitive salary (based on experience level)
Significant equity options package
20 days of PTO a year
Global team offsites
Healthy living/gym stipend
Mobile phone bill stipend
Continuing education credits

Fulltime

Staff Backend Engineer

As a Staff Backend Engineer at Aignostics, you will play a crucial role in shapi...

Location

Germany , Berlin

Salary:

Not provided

Aignostics

Expiration Date

Until further notice

Requirements

Advanced degree in a relevant field or extensive work experience
8+ years of software development experience, with at least 2 years as Staff Engineer or an equivalent role
Proven track record of driving technical excellence and innovation
Solid background in data-intensive & event-driven systems and software architecture, design patterns and clean coding
Polyglot with deep experience in multiple programming languages and frameworks
Extensive experience with data storage, management and processing data at scale
Deep understanding of cloud technologies (e.g., GCP, AWS), containerization and orchestration (e.g., Docker, Kubernetes)
Experience with workflow orchestration tools (e.g. Prefect, Airflow) and distributed computing frameworks (e.g. Ray, Spark)
Familiarity with DevOps and DevSecOps practices and tooling (e.g., ArgoCD, Kyverno), CI/CD pipelines (e.g., Gitlab, GitHub), infrastructure as code (e.g., Terraform, Cloud Formation, Crossplane) and observability (e.g., Grafana, Open Telemetry)
Excellent communication skills, able to articulate complex technical concepts to both technical and non-technical stakeholders

Job Responsibility

Define and drive the technical architecture and system design principles for our data management platform and system landscape
Guide the CTO office, product management and fellow engineering leads through complex decisions by providing expert consultation on feasibility, architecture, trade-offs and risk mitigation strategies
Foster technical alignment across teams by establishing shared architectural principles and best practices
Champion technical excellence by leading strategic initiatives that modernize our architecture and reduce technical debt
Elevate the technical capabilities of our engineering staff through structured mentoring, workshops and establishing comprehensive technical guidelines
Drive innovation by evaluating emerging technologies, leading proof-of-concept initiatives and building support for strategic technical investments

What we offer

Learning & Development yearly budget of 1,000 € (plus 2 L&D days)
Language classes and internal development programs
Mentoring program
Flexible working hours and teleworking policy
30 paid vacations days per year
Family & pet friendly and support flexible parental leave options
Subsidized membership of your choice among public transport, sports and well-being
Social gatherings, lunches and off-site events
Optional company pension scheme

Staff Software Engineer, Backend

The Staff Engineer will work closely with AI/ML engineers, product managers, app...

Location

United States , NYC

Salary:

160000.00 - 190000.00 USD / Year

Conductor

Expiration Date

Until further notice

Requirements

Completed studies in Computer Science, Mathematics, engineering or a related field or equivalent professional experience
8+ years of experience in software development, with experience in product-driven companies
Strong expertise in system design, distributed computing, and scalable architecture patterns for handling large datasets and high-throughput applications
Proficiency in multiple programming languages with strong Python coding skills. Experience with Java is highly valued
Strong database experience including both SQL and NoSQL systems, with knowledge of data modeling and optimization techniques
Experience with AI/ML technologies including LLMs, vector databases (e.g., Milvus), embeddings, and ML frameworks
Knowledge of MLOps practices, model deployment, and AI system integration in production environments
Experience working across the full software development lifecycle including CI/CD, monitoring, testing, and production deployment
Proven track record of technical leadership, mentoring engineers, and driving engineering excellence within teams
Up-to-date with rapidly-evolving technologies and demonstrated ability to evaluate and adopt new tools and frameworks

Job Responsibility

Lead the technical architecture, design, and implementation of large-scale distributed systems and data platforms to support customer needs and business growth
Oversee the planning, execution, and successful delivery of complex engineering projects, ensuring adherence to engineering best practices and quality standards
Design and build scalable, high-performance backend systems and APIs that handle millions of requests and large datasets efficiently
Architect robust data processing pipelines and ETL workflows using modern cloud technologies and distributed computing frameworks
Drive technical decision-making across the engineering organization, evaluating trade-offs and establishing engineering standards and practices
Lead cross-functional collaboration with product, AI/ML engineering, data engineering, and infrastructure teams to deliver comprehensive solutions
Build and maintain CI/CD pipelines, monitoring systems, and deployment automation to ensure reliable software delivery
Implement AI/ML capabilities including LLM integration, vector databases, and intelligent content processing workflows
Mentor senior and junior engineers, fostering technical excellence and knowledge sharing within the engineering organization

What we offer

100% covered employee medical plan
a dental & vision plans
401(k) with employer contribution
an unlimited vacation policy
10 sick days
short-term disability
long-term disability
generous paid parental leave
employee assistance program
flexible savings accounts

Fulltime

Staff Backend Engineer

As a Staff Software Engineer at Apollo, you’ll be responsible for leading the te...

Location

India

Salary:

Not provided

Apollo.io

Expiration Date

Until further notice

Requirements

10+ years of deep experience building and scaling backend systems in production environments
Proven ability to develop features with performance, reliability, and scalability in mind
Strong product intuition—balancing technical scope with MVP delivery
Expertise with message queues, background jobs, and distributed system patterns
Familiarity with observability tools (e.g., GCP Logging, Prometheus, NewRelic)
Demonstrated ability to leverage AI tools (e.g., code generation, debugging, automation) and stay current with emerging AI trends
Experience with LLM architecture, pipelines, or applied AI tooling is a strong bonus

Job Responsibility

Architect and build scalable, high-availability systems that run 24/7 and support mission-critical workflows
Own and deliver multi-tier, high-volume applications with performance, accessibility, and resilience in mind
Write high-quality, maintainable code with a strong focus on developer experience and system performance
Drive and uphold engineering best practices, including code reviews, test coverage, monitoring, and observability
Provide technical leadership across cross-functional teams, guiding architecture, trade-offs, and execution
Mentor and sponsor engineers to grow their impact and deepen engineering culture
Lead large-scale, cross-team projects from concept to production
Deliver clear, objective feedback to peers and junior engineers through structured reviews and 1:1s

Staff Backend Engineer

Duranta's mission is to help create a more beautiful world. We are achieving thi...

Location

United States , Seattle; New York

Salary:

170000.00 - 210000.00 USD / Year

Duranta

Expiration Date

Until further notice

Requirements

At least 8 years of experience in the modern backend web development
Deep knowledge of Go-based server development
Experience setting up CI/CD pipelines
Experience with relational databases (PostgreSQL, MySQL)
AWS experience (DynamoDB, S3, EC2, IAM)
Experience designing robust APIs for distributed systems
DevOps experience (Terraform, CloudFormation)

Job Responsibility

Building backends for modern web applications
Building a backend for offline-capable web and mobile applications

What we offer

equity

Fulltime

Staff Backend Engineer, Speech AI

Our intelligent runtime must seamlessly connect to foundational models to power ...

Location

United States , Mountain View

Salary:

200000.00 - 300000.00 USD / Year

Inworld AI

Expiration Date

Until further notice

Requirements

A BA/BS degree in Computer Science or a related technical field, or equivalent practical experience
5+ years of professional experience in software development, with a proven track record of shipping high-quality, user-facing products
Strong product sense and an ability to think critically about user experience and business impact
Demonstrated experience in building and scaling production-grade backend APIs and distributed systems
Strong proficiency in Python and professional experience with one or more of the following: Java/Kotlin, or Go
Hands-on experience with containerization (Docker) and deploying services on orchestration platforms like Kubernetes
A solid foundation in data structures, algorithms, and system design

Job Responsibility

Own features end-to-end, from collaborating on the initial concept with product managers to shipping and monitoring the final product
Translate product requirements and user needs into robust, scalable, and maintainable backend services and APIs
Design, build, and launch user-facing APIs and backend systems in Python, Java/Kotlin, and Go that deliver seamless voice experiences
Partner closely with Product Managers and ML engineers to define scope, identify technical trade-offs, and drive the product roadmap forward
Write high-quality, production-grade code that powers real-time audio processing, model inference, and complex data pipelines
Champion engineering and product excellence, with a focus on delivering tangible value to our users quickly and iteratively

What we offer

bonus
equity
benefits
relocation assistance

Fulltime

Staff Backend Engineer

Inworld recently launched an exciting new platform for consumer AI applications,...

Location

United States , Mountain View, California

Salary:

180000.00 - 280000.00 USD / Year

Inworld AI

Expiration Date

Until further notice

Requirements

Excellent programming skills and experience in a statically typed backend programming language, preferably Go, Kotlin, Java or Rust
Experience developing and deploying cloud-based services to at least hundreds of qps (preferably more)
Experience with relational databases (PostgreSQL or MySQL)
Hands-on experience with caching (Redis or Memcached), pubsub/queues, data pipelines (Flink, Beam), and Cloud storage
Excellent verbal and written communication skills, can collaborate and coordinate with other roles and engineer with ease, trusted and well-regarded teammate

Job Responsibility

Establish significant scope: Collaborate with the PMs, engineers and leads to determine the biggest product needs to focus on now
Operate with technical autonomy: You have considerable leeway to suggest how to address a given focus area, including bringing in new technical dependencies or standards where it’s the best choice
Collaborate, execute, deliver: This is the core of the building loop. We aim to optimize for both speed and quality, despite it being decidedly non-obvious how to manage that tradeoff exceptionally well
Reflect and drive improvements: Especially as a Staff Engineer, advocate for and realize system improvements, both related to and independent of key features

What we offer

equity and benefits

Fulltime

Staff Backend Engineer

Inworld recently launched an exciting new platform for consumer AI applications,...

Location

Canada , Vancouver

Salary:

150000.00 - 240000.00 CAD / Year

Inworld AI

Expiration Date

Until further notice

Requirements

Excellent programming skills and experience in a statically typed backend programming language, preferably Go, Kotlin, Java or Rust
Experience developing and deploying cloud-based services to at least hundreds of qps (preferably more)
Experience with relational databases (PostgreSQL or MySQL)
Hands-on experience with caching (Redis or Memcached), pubsub/queues, data pipelines (Flink, Beam), and Cloud storage
Excellent verbal and written communication skills, can collaborate and coordinate with other roles and engineer with ease, trusted and well-regarded teammate

Job Responsibility

Establish significant scope: Collaborate with the PMs, engineers and leads to determine the biggest product needs to focus on now
Operate with technical autonomy: You have considerable leeway to suggest how to address a given focus area, including bringing in new technical dependencies or standards where it’s the best choice
Collaborate, execute, deliver: This is the core of the building loop. We aim to optimize for both speed and quality, despite it being decidedly non-obvious how to manage that tradeoff exceptionally well
Reflect and drive improvements: Especially as a Staff Engineer, advocate for and realize system improvements, both related to and independent of key features

What we offer

equity and benefits

Fulltime

Staff Backend Engineer

Playlab

Location:

Category:
IT - Software Development

Contract Type:
Not provided

Salary:

Job Description:

Job Responsibility:

Requirements:

Nice to have:

Additional Information:

Job Posted:
February 21, 2026

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Location:

Category:IT - Software Development

Contract Type:Not provided

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Job Description:

Job Responsibility:

Requirements:

Nice to have:

Additional Information:

Job Posted:February 21, 2026

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Not provided

Job Posted:
February 21, 2026