RESTful API Design jobs

Senior Full Stack Software Developer

ASRC Federal · Posted Nov 6, 2026

Open

Washington, District of Columbia, United States
Senior

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Senior Full Stack Software Developer

ASRC Federal · Posted Nov 6, 2026

Open

Washington, District of Columbia, United States
Senior

Apply with RefersoAI Apply on careers page

Java Application Development - Vice President

Citi · Posted Nov 9, 2026

Open

Pune, Maharashtra, India
Full-time · Manager
10+ years

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Lead Java development and delivery for FX trading systems at Citi FX.

Responsibilities

Lead design, development, and delivery of high-performance Java-based systems supporting FX trading, sales, risk, and post-trade workflows.
Own end-to-end technical guidance for feature teams, ensuring alignment with business priorities, architectural standards, and regulatory requirements.
Drive agile delivery practices including sprint planning, backlog refinement, code reviews, and retrospectives.
Collaborate closely with Product Owners, Business Analysts, Architects, and Business to translate complex FX business requirements into robust technical solutions.
Ensure production stability, performance, and resilience of FX systems through proactive engineering practices including observability, alerting, and capacity planning.

Requirements

Bachelor’s degree/University degree or equivalent experience

Skills

Java 11/17/21+JVM internals memory management concurrency

Lead GenAI Engineer

Citi · Posted Nov 9, 2026

Open

Pune, Maharashtra, India
Full-time
7+ years

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Senior AI Engineer focused on Generative and Agentic AI solutions for banking.

Responsibilities

Design, implement, test, and deploy scalable generative AI applications and agentic workflows
Build end-to-end applications integrating front-end interfaces, backend services, and LLM tools
Rapidly develop POCs, run A/B experiments, and iterate on feedback
Implement evaluation metrics, guardrails, automated testing, and telemetry
Collaborate with Lead Engineers, Data Scientists, Product Managers, and cross-functional teams

Requirements

Bachelor's or Master's degree in Computer Science, Software Engineering, Data Science, or related technical field

Skills

Python FastAPI Flask Django PyTorch TensorFlow Scikit-Learn Pandas

Principal Software Engineer

Redwood Software · Posted Nov 5, 2026

Open

Houten, Utrecht, Netherlands
Principal
8+ years

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Senior technical leader shaping Redwood’s RunMyJobs platform, driving high-impact technical decisions and system design across teams.

Responsibilities

Lead design and implementation of large-scale distributed systems
Apply advanced prompt engineering techniques for AI tools
Oversee and enhance CI/CD and observability pipelines
Collaborate with product management to define new functionality
Diagnose and resolve complex technical challenges

Requirements

Bachelor's or Master's degree in Computer Science, Software Engineering, or a related field

Skills

Java microservice architecture Docker Kubernetes RESTful API design ReactJS MobX TypeScript AWS

Senior Software Engineer

Trintech · Posted May 8, 2026

Open

Bangalore, Karnataka, India
Senior
5+ years

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Senior Full Stack Engineer role focused on backend development, DevOps tooling, and AI workflows using Python, .NET, and modern infrastructure.

Responsibilities

Design and implement backend APIs using Python (FastAPI or similar) and .NET (C#) where applicable
Build and extend LLM wrappers, prompt routers, and AI orchestration logic
Integrate backend services with vector databases, embedding pipelines, and RAG workflows
Manage deployments using Azure DevOps, Docker, and Kubernetes (K8s)
Configure and maintain Helm charts, environments, and containerized services

Requirements

Bachelor’s degree in Engineering, Computer Science, or a related technical field
Nice to have: React
Nice to have: Angular
Nice to have: OpenAI API
Nice to have: Anthropic API

Skills

Python .NET (C#)RESTful API design microservice patterns SQL NoSQL

Fractional Ruby Developer

BlockTXM Inc · Posted Nov 13, 2025

Open

Remote, India
Remote
Contract · Mid
3+ years

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Seeking a Ruby Developer to build scalable, maintainable applications, focusing on automation, integrations, and backend systems.

Responsibilities

Design, develop, and maintain Ruby-based applications and services with clean, efficient, and well-documented code
Build and optimize RESTful APIs and microservices architectures
Collaborate with cross-functional teams to translate business requirements into technical solutions
Write comprehensive tests (RSpec, Minitest) to ensure code quality and reliability
Participate in code reviews and contribute to engineering best practices

Requirements

Nice to have: Sidekiq
Nice to have: Resque
Nice to have: Delayed Job
Nice to have: RSpec
Nice to have: Capybara

Skills

Ruby Ruby on Rails Object-oriented programming Design patterns PostgreSQL MySQL

Analyst, AI/ML Engineer

EBRD · Posted Nov 6, 2026

Open

London, England, United Kingdom
Hybrid
Contract

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The Analyst assists with the implementation, support and maintenance of EBRD's platforms and software solutions, developing and maintaining code or infrastructure within the AI/ML squad.

Responsibilities

Assists in building AI solutions using Azure AI Services, Prompt Flow, and Azure AI Search
Writes clean, testable code and assists in peer code reviews
Supports the setup of automated testing and observability within CI/CD pipelines
Contributes to the validation and tuning of models
Participates in refinement of AI/ML user stories and backlog grooming

Requirements

Bachelor's in Computer Science, Data Science, Engineering, Mathematics or a related technical discipline
Nice to have: Machine learning concepts
Nice to have: Model lifecycle
Nice to have: Data processing principles
Nice to have: Unit and integration testing

Skills

Python Azure AI Services Azure AI Search Azure ML Prompt Flow Git

Senior Full Stack Software Developer

ASRC Federal · Posted Nov 6, 2026

Open

Washington, District of Columbia, United States
Senior

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Lead full lifecycle development using C#/.NET Core, ASP.NET, and modern full-stack technologies.

Compensation

We invest in the lives of our employees, both in and out of the workplace, by providing competitive pay and benefits packages. Benefits offered may include health care, dental, vision, life insurance; 401(k); education assistance; paid time off including PTO, holidays, and any other paid leave required by law. The salary offered will depend on several factors including, but not limited to, relevant experience, skills, education, geographic location, internal equity, business needs, and other factors permitted by law. Posted pay ranges are a general guideline only and are not a guarantee of compensation or salary.

Responsibilities

Lead full lifecycle development using C#/.NET Core, ASP.NET, and modern full-stack technologies.
Implement enhancements, perform code-level fixes, and provide advanced troubleshooting across the application stack.
Architect secure, scalable cloud-native solutions on Azure, AWS or OCI.
Lead modernization of legacy systems into cloud platforms, supporting microservices and containerized architectures.
Develop and maintain RESTful APIs, reusable components, and modern UI frameworks such as React or Angular.

Requirements

Bachelor’s degree in Computer Science, Software Engineering, or related field
Nice to have: Azure Developer Associate
Nice to have: AWS Developer
Nice to have: Scrum/Agile certifications

Skills

C#/.NET Core

Backend Software Engineer (Node.js)

Dotmatics · Posted Nov 6, 2026

Open

Remote, United States
Remote
Full-time · Senior
$103K–$140K per year
9+ years

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Looking for a Backend Software Engineer to join the LabArchives team to design, build, and maintain backend systems that power the LabArchives suite of products.

Compensation

$103,000—$140,000 USD

Responsibilities

Collaborate with product, operations, and support team members to design, develop, and maintain the backend services and APIs behind the LabArchives suite of products.
Iteratively plan, build, test, and release new backend features, primarily in Node.js.
Read, understand, and contribute to our existing Ruby on Rails codebase as needed.
Create and maintain a robust unit test suite, and participate in the creation and expansion of our automation test framework.
Participate in code reviews, security audits, and performance and scalability evaluations.

Requirements

Bachelor’s degree in Computer Science
Nice to have: SaaS
Nice to have: Regulated or research-focused industry
Nice to have: Automated testing tools
Nice to have: CI/CD pipelines

Skills

Node.js APIs Synchronous and asynchronous integration patterns

Engineering Team Lead, Data Engineer

Canopy · Posted Nov 6, 2026

Open

Draper, Utah, United States
5+ years

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Lead engineering efforts on the Embedded Analytics team, combining technical expertise with leadership to build, scale, and evolve data and analytics systems for customer-facing reporting.

Responsibilities

Lead, mentor, and grow a cross‑functional engineering and data team
Own end‑to‑end delivery of squad’s product area
Write code, review code, and architect solutions
Partner with Product team on feasibility and priorities
Balance feature work against bugs, tech debt, performance, and reliability

Requirements

Bachelor's degree in Computer Science, Engineering, or equivalent experience

Skills

SQL data modeling analytics/reporting cloud platforms Docker Kubernetes Python Java Kotlin