Senior Full Stack Engineer Job at Signify Technology (Washington DC)

Senior Growth Full-Stack Engineer

Senior Growth Full-Stack Engineer role at Seamless.AI focusing on user activatio...

Location

United States

Salary:

Not provided

Seamless.AI

Expiration Date

Until further notice

Requirements

5+ years of experience as a full-stack engineer (startup or growth-focused environment preferred) with SaaS product
Strong proficiency in modern JavaScript/TypeScript (React.js, Node.js)
Proficiency with modern database technologies (PostgreSQL, Vector DBs, OpenSearch, DynamoDB)
Proficiency with Cloud architecture and scalability best practices, in particular AWS (Lambda, serverless, cloud-native services)
Hands-on experience with A/B testing platforms (GrowthBook, Optimizely, LaunchDarkly, etc.)
Familiarity with feature flag systems and controlled experiment rollout strategies
Experience with product analytics tools (Amplitude, Segment, Tableau)
Ability to translate growth hypotheses into technical experiments quickly and iteratively
Strong data-driven mindset with the ability to evaluate experiment outcomes statistically
Comfortable working in fast-moving, cross-functional growth teams

Job Responsibility

Collaborate with growth, product, and data teams to design and implement A/B tests and growth experiments focused on user activation
Build, deploy, and maintain full-stack features and experiment infrastructure (frontend + backend)
Implement and manage feature flagging systems to enable rapid testing and controlled rollouts
Work with GrowthBook (or similar experimentation platforms) to set up, track, and analyze experiments
Instrument and track user behavior in Amplitude and other analytics platforms to generate insights
Write clean, scalable, and maintainable code across the React frontend and Node.js backend
Monitor and evaluate experiment outcomes, providing actionable insights and recommendations
Balance speed of experimentation with engineering best practices, ensuring quality while moving quickly

Fulltime

Senior Full Stack Data Engineer

Senior Full Stack Data Engineer role in Citi's Chief Technology Office (CTO) Tec...

Location

India , Pune

Salary:

Not provided

Citi

Expiration Date

Until further notice

Requirements

Minimum of 8 years of proven experience in software development
Significant experience as a Data Engineer and Full Stack Developer
Strong proficiency in SQL for data querying, manipulation, and optimization
Experience with NoSQL databases, such as MongoDB
Expertise in designing and developing data pipelines for ingestion, transformation, and processing of large datasets
Deep understanding of multithreading, thread pools, Object-Oriented Programming (OOP) concepts, and design patterns
Demonstrated experience working in an Agile software development environment
Excellent communication, problem-solving, and analytical skills
Proficiency in at least one of the following programming languages: Java or Python
Strong knowledge of DevOps practices, including source control management (e.g., Git), Continuous Integration (CI), Continuous Delivery/Deployment (CD), and automated deployments

Job Responsibility

Design and develop scalable data solutions leveraging platforms such as Iceberg, Snowflake, Trino, or other modern data ecosystems
Design, build, and optimize robust Extract, Load, Transform (ELT) and Extract, Transform, Load (ETL) data pipelines
Collaborate effectively with domain experts, product managers, analysts, and data scientists to understand data requirements and deliver efficient data solutions
Enable advanced analytics and machine learning workflows by ensuring the delivery of high-quality, reliable, and timely data
Implement and manage CI/CD pipelines to automate data engineering workflows across both cloud and on-premises environments
Research, evaluate, and recommend the integration of open-source technologies into our data platform
Clearly communicate complex technical details, project progress, and challenges to both technical and non-technical stakeholders
Design, develop, and implement scalable full-stack applications using technologies such as JavaScript, ReactJS, NodeJS, Python, and SQL/NoSQL databases
Write clean, efficient, well-documented, and maintainable code, adhering to industry best practices

Fulltime

Senior Full Stack Software Engineer

Checkr Trust is seeking a Senior Full Stack Software Engineer to join their team...

Location

United States , San Francisco

Salary:

173000.00 - 215000.00 USD / Year

Checkr

Expiration Date

Until further notice

Requirements

BS/MS degree in either computer science or electrical engineering
have founded or held early roles at successful fast-paced startups
6+ years of full stack software development experience
advanced knowledge in Ruby (Ruby on Rails)/ Javascript (React), or similar languages/frameworks
amazing product sense
experimentation mindset
experience building scalable technical architecture that can scale to 10mm+ users

Job Responsibility

work closely with customers, engineers, and leaders to design, build, and launch new products
take full ownership of the entire process of developing end-to-end applications – from shaping the idea to delivering the finished application
build and improve APIs, including integrating with third-party services to expand what our products can do
embrace a customer-centric, product-first approach – partner directly with customer success, customers and stakeholders to better understand their needs and turn those into useful features
keep code reliable and easy to maintain with solid testing, thoughtful reviews, and good practices
run and measure product experiments, using what you learn to guide future development
building scalable APIs and asynchronous event-based architecture that can reliably handle very high traffic

What we offer

a fast-paced and collaborative environment
learning and development allowance
competitive compensation and opportunity for advancement
100% medical, dental, and vision coverage
up to 25K reimbursement for fertility, adoption, and parental planning services
flexible PTO policy
monthly wellness stipend, home office stipend
working at a startup within a startup
lunch four times a week
a commuter stipend

Fulltime

Senior UI Server Full Stack Engineer - Fixed Income Tech

Senior UI Server Full Stack Engineer position in Fixed Income Technology at Citi...

Location

United Kingdom , London

Salary:

Not provided

Citi

Expiration Date

Until further notice

Requirements

Full-stack engineer with experience in designing and developing robust, scalable, and maintainable applications applying Object Oriented Design principles
Knowledge and experience of Java development using Java, Java 8+ (or later), and relevant Java frameworks such as Spring Boot, Spring MVC, and Hibernate
Experience designing and implementing message-driven systems for reliable, asynchronous processing in low-latency, high-throughput, distributed environments
Extensive experience with Linux environments, including system administration, shell scripting, and performance tuning
Proficient in multithreading, concurrency and performance tuning
Experience with caching technologies (e.g., Gemfire, Redis)
Experience with middleware (Tibco, Solace)
Openshift/Kubernetes experience is a plus
Experience with Agile software development processes with strong emphasis on test driven development
Strong knowledge of CI/CD pipelines and experience in tools such as JIRA, BlackDuck, SONAR

Job Responsibility

Designing and developing robust, scalable, and maintainable applications
Implementing message-driven systems for reliable, asynchronous processing
Building sophisticated tooling for development and production team use

What we offer

27 days annual leave (plus bank holidays)
Discretional annual performance related bonus
Private Medical Care & Life Insurance
Employee Assistance Program
Pension Plan
Paid Parental Leave
Special discounts for employees, family, and friends
Access to learning and development resources
Business casual workplace
Hybrid working model (up to 2 days working at home per week)

Fulltime