Test Driven Development

Test Driven Development Developer Jobs

5 jobs found

6d ago

Technology Lead Python Data Engineer - Vice President

Citi Rutherford, NJ

Rutherford, NJ

6d ago

$142k - $213k/yr Full time Backend Developer Manager Python

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Job Description

The Technology Lead Python Data Engineer role at Citi focuses on building modern, scalable Python-based platforms that support credit risk management. This position blends hands-on engineering with system architecture, technical leadership, and AI-enabled innovation, with an emphasis on microservices, cloud-native design, and enterprise governance.

Location and Employment Details

Location: Rutherford, NJ, United States (onsite)
Time type: Full time
Primary location: Rutherford New Jersey, United States
Job family group: Technology
Job family: Applications Development
Salary range: USD 142,320 - 213,480 per yearly
Anticipated posting close date: Sep 04, 2026

Role Summary

As a Technology Lead Python Data Engineer, you will lead the design and development of platforms for credit risk analytics, workflows, and reporting. The role requires architecture and delivery of Python-based applications, collaboration with risk and product stakeholders, and technical leadership across engineering standards and microservices design.

Responsibilities

Architect, design, and deliver scalable, Python-based applications supporting credit risk analytics, workflows, and reporting.
Partner with risk, product, and technology leadership to integrate platforms, identify enhancements, and enable new products and process improvements.
Resolve high-impact, complex initiatives using deep analysis of business processes, system flows, and industry standards.
Ensure solutions align with enterprise architecture, data, security, and infrastructure blueprints.
Establish and enforce engineering standards for coding, testing, CI/CD, debugging, and production readiness.
Design and evolve microservices-based architectures with scalability, resiliency, observability, and maintainability in mind.
Apply AI and GenAI capabilities to modernize workflows, automate analysis, and surface new credit risk insights.
Act as a technical leader and mentor, coaching mid-level engineers and analysts and allocating work as needed.
Use sound risk and control judgment to meet compliance expectations with laws, regulations, and policies while safeguarding clients, data, and the firm.

Required Experience and Qualifications

Experience: 6+ years in application development or systems engineering within complex environments.
Advanced proficiency in Python and SQL, with strong software engineering fundamentals.
Hands-on experience building API-driven services using FastAPI, Pydantic, and/or Django.
Proven expertise designing and implementing microservices architectures, including service decomposition, inter-service communication, resiliency patterns, and observability.
Strong experience with Docker and Kubernetes, deploying and operating containerized services in production.
Deep understanding of system architecture, data flows, and distributed systems.
Experience working in Linux, including shell scripting and operational troubleshooting.
Track record implementing unit testing, TDD, and automated quality controls.
Subject Matter Expert (SME) in at least one application, platform, or service domain.
Working knowledge of large language models (LLMs) and modern AI platforms from leading providers such as OpenAI, Anthropic, Google, and Meta.
Experience designing or contributing to LLM-enabled solutions (e.g., copilots, workflow automation, analytics augmentation).
Familiarity with prompt engineering, model integration patterns, and AI governance considerations in enterprise environments.
Exposure to AI-assisted “vibe coding” practices using AI tooling to accelerate development and experimentation while maintaining engineering rigor.

Education

Bachelor’s degree (or equivalent experience) in Computer Science, Engineering, Mathematics, or a related STEM field.

Technology Focus

Python, SQL
FastAPI, Pydantic, Django
Microservices
Docker, Kubernetes
Linux, shell scripting
Unit testing, TDD
LLMs, OpenAI, Anthropic, Google, Meta, prompt engineering

Additional Skills / Bonus Differentiators

Experience with distributed data and compute platforms (e.g., Spark, PySpark, Hadoop, Hive).
Hands-on experience with graph databases, particularly Neo4j, for network, relationship, or dependency-driven use cases.
Background in credit risk, financial risk management, or banking platforms.
Experience modernizing or decomposing legacy monolithic systems in large enterprises.
Proven delivery of GenAI / AI-driven solutions in regulated or large-scale environments.

Benefits

Medical, dental & vision coverage
401(k)
Life, accident, and disability insurance
Wellness programs
Planned time off (vacation)
Unplanned time off (sick leave)
Paid holidays
Discretionary and formulaic incentive and retention awards (for eligible employees)

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30d ago

Java Backend Developer

Citi New York, NY

New York, NY

30d ago Closed

$121k - $182k/yr Full time Backend Developer Angular APIs

This position is no longer accepting applications (closed Sep 6, 2026).

Job Description

Citi’s Prime Finance division is hiring a Lead Software Engineer to support end-to-end development and ongoing enhancement of the Prime Sequel Platform and its P&L allocation engine. The role is centered on building scalable, high-performing, and robust systems, while working closely with project teams to deliver critical financial capabilities in New York, NY.

This full-time position is based onsite and offers a salary range of USD 121,200 - 181,800 per year. You will partner across business and technology groups to turn complex requirements into well-architected solutions, while also mentoring teammates and helping manage technical risk with a strong focus on compliance and transparency.

Responsibilities

Design, develop, and implement robust and scalable application systems and programs for the Prime Sequel Platform, aligned with strategic technology initiatives.
Run in-depth feasibility studies, analyze complex technical and business challenges, and propose solutions that improve system functionality and business processes.
Oversee software development lifecycle activities from analysis and design through construction, testing, and implementation to support timely, high-quality delivery.
Provide user and operational support to business users for relevant applications.
Use deep application development expertise to make evaluative judgments, recommend security measures, and contribute to post-implementation analysis.
Collaborate with project managers, business stakeholders, and senior managers to translate complex business needs into technical solutions.
Consult with users and other technology groups, offering advanced programming insights and support.
Ensure adherence to best practices and essential procedures.
Serve as a technical mentor and coach to junior team members to support continuous learning and development.
Operate independently with strong judgment, owning critical initiatives and driving them to completion.
Proactively assess and manage technical risks, maintaining commitment to regulatory compliance, ethical judgment, and transparent reporting of control issues.

Requirements

4-6 years of progressive experience in systems analysis and programming of software applications, including a record of delivering successful projects.
Strong proficiency in Java application technologies, including deep experience with TDD (Test-Driven Development), the Spring framework, and Microservices architecture.
Solid understanding and experience with SQL.
Proficiency in Linux environments.
Experience with job scheduling.
Working knowledge of project management techniques and methods with a focus on agile methodologies.
Ability to work in a fast-paced environment, manage multiple deadlines, and adapt to changing priorities.
Strong communication skills and ability to work effectively with global teams to deliver integrated solutions.

Technologies

Java
TDD (Test-Driven Development)
Spring framework
Microservices architecture
SQL
Linux environments
Job scheduling
Angular / TypeScript (latest versions)
HTML5
CSS

Benefits

Medical, dental & vision coverage
401(k)
Life, accident, and disability insurance
Wellness programs
Paid time off packages, including planned time off (vacation), unplanned time off (sick leave), and paid holidays
Discretionary and formulaic incentive and retention awards (for eligible employees)

Nice to Have

Experience with Angular / TypeScript (latest versions) and a strong understanding of HTML5 and CSS.

Education

Bachelor’s degree/University degree or equivalent experience.

Time Type: Full time

Job Family Group: Technology

Job Family: Applications Development

Primary Location: New York, NY, United States

Anticipated Posting Close Date: Sep 06, 2026

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1mo ago

Software Engineer II

Costco Auto Program San Diego, CA

San Diego, CA

1mo ago Closed

$123k - $130k/yr Full time Backend Developer .NET .NET Core

This position is no longer accepting applications (closed Sep 6, 2026).

Job Description

Costco Auto Program is hiring a Software Engineer II for an onsite role in San Diego, CA. This mid-level position focuses on designing and developing systems-level software while also supporting deployments and resolving production issues in partnership with cross-functional teams.

The role combines technical delivery with documentation and coordination. You will contribute to engineering specifications and system design artifacts, assist with debugging and system support, and help keep project work aligned with timelines managed alongside a Project Manager.

Responsibilities

Collaborate directly with the client to create engineering specifications
Flow chart program logic and document system design
Work with database administrators and database analysts to develop and design database tables and stored procedures
Debug system code, including code authored by other programmers
Assist with mentoring programmers to help raise overall competency
Maintain current knowledge of new software technologies
Provide support for deployment and software configuration
Coordinate closely with a Project Manager to manage project timelines
Research, troubleshoot, and resolve production issues in the system
Perform other duties as assigned

Requirements

5+ years of experience with C# .NET programming (experience using Visual Studio 2005 or greater)
2+ years of experience with ASP/ASP.NET
Fluency in JavaScript, VB, VBScript, and HTML
2+ years development experience with XML
2+ years development experience with Microsoft SQL Server
Scrum and Agile Methodology experience
Team Foundation Server
Unit Testing / Test-Driven Development experience
Build Automation
Customer Relationship Management (CRM) software knowledge
Automotive Service Industry domain knowledge
Call Center Operations domain knowledge
Flexible and team-oriented; able to work independently and as a team member
Good written and oral communication skills
May be required to work nights/weekends as needed

Compensation & Location

Location: San Diego, CA (onsite)
Salary: USD 123,000 - 130,000 per year

Technologies: C#, .NET, Visual Studio 2005, ASP, ASP.NET, JavaScript, VB, VBScript, HTML, XML, Microsoft SQL Server, Scrum, Agile Methodology, Team Foundation Server, Unit Testing, Test-Driven Development, Build Automation, CRM, Automotive Service Industry domain knowledge, Call Center Operations domain knowledge.

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1mo ago

Java Front end developers (TDD)

Sonsoft Inc Northbrook, IL

Northbrook, IL

1mo ago Closed

Full time Frontend Frontend Framework Java Language

This position is no longer accepting applications (closed Aug 29, 2026).

Job Description

Sonsoft Inc is seeking Java Front End Developers with Test Driven Development experience for an onsite role in Northbrook, IL. The position emphasizes a combination of Java/J2EE expertise and front-end capabilities in JavaScript, ES7, and ReactJS, aligning with a TDD approach.

Responsibilities

Minimum four years of experience with Java and J2EE technologies, developing web applications using server-side frameworks such as Struts, Spring, and Hibernate, and working with SOAP and REST web services.
At least two years of hands-on experience with the JBoss Application Server.
Strong analytical skills to understand business processes and functionality, including requirements gathering, data migration and loading, data extraction, reporting, application maintenance, production support, and release management.
Knowledge of available development tools and frameworks.
Ability to work effectively within a collaborative, multi-application team environment.
Good communication skills to facilitate cross-functional collaboration.
Willingness to operate in a global delivery environment.

Requirements

Proficiency in JavaScript, ES7, ReactJS, and Test Driven Development.
Bachelor’s degree or foreign equivalent from an accredited institution; three years of progressive experience in the specialty may be considered in lieu of every year of education.
At least four years of information technology experience.
Citizenship/work authorization requirement: only US Citizens, Green Card holders, GC-EAD, H4-EAD and L2-EAD applicants may apply. OPT-EAD, H1B and TN candidates are not eligible.

Technologies

Java, J2EE technologies, Struts, Spring, Hibernate, SOAP/REST Web Services
JBoss Application Server
JavaScript, ES7, ReactJS, TDD

Company Description

Sonsoft, Inc. is a United States based corporation organized under the laws of the Commonwealth of Georgia. The company specializes in software development, software consultancy, and information technology enabled services, supporting steady growth.

BASIC QUALIFICATION

Bachelor’s degree or foreign equivalent required from an accredited institution. Three years of progressive experience in the specialty may be considered in lieu of each year of education.
At least four years of information technology experience.

ADDITIONAL INFORMATION

This is a full-time and permanent job opportunity.
Only US Citizens, Green Card holders, GC-EAD, H4-EAD and L2-EAD can apply.
No OPT-EAD, H1B, or TN candidates please.
Please mention your visa status in your email or resume.

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4mo ago

Senior Applications Developer

Langley Federal Credit Union Newport News, VA Hybrid

Newport News, VA

4mo ago Closed

Full time Senior .NET .NET Core

This position is no longer accepting applications (closed May 14, 2026).

Job Description

Senior Applications Developer at Langley Federal Credit Union, on-site at City Center Headquarters in Newport News, VA, responsible for analysis, design, development, and documentation of member-facing experiences and internal process automation; mentors junior team members and contributes to AI-driven, full-stack development and Azure deployments.

Responsibilities

Designs and solutionizes automating internal staff business processes as a Senior Applications Developer.
Utilizes Test Driven Development for new and existing applications or programmed solutions.
Implements code configuration management following industry best practices.
Leads the integration testing effort for a solution.
Creates and executes documented test cases to ensure application and technical environments meet requirements.
Decomposes documented designs into technical specifications and translates use cases into functional applications that deliver the expected user experience.
Builds user interface applications and back-end databases using various programming and scripting languages.
Assesses code compliance with style guides and coding standards to promote consistent development practices across programming languages used by the data science team.
Ensures technical documentation aligns with the produced application and maintains the code repository for the Applications Development team.
Creates and tests bug fixes and enhancements for applications in production.
Develops full-stack applications handling front-end interfaces and back-end logic using ASP.NET, C#, SQL, and JavaScript.
Develops and implements AI-driven applications to improve business processes and member experiences.
Supports Azure setup and configuration for cloud-based application deployments.
Assists business units with User Acceptance Testing.

Requirements

Four-year degree in Computer Science or related field with at least 5 years of full stack application development experience preferred; 9+ years of equivalent professional experience required if the degree is not held.
Minimum of 5 years of application/software development experience.
Completed coursework or training in ASP.NET, C#, and JavaScript required. SQL coursework, training, or experience preferred. Ability to learn new programming languages/tools required.
Minimum of two years of experience with adapting various APIs for applications preferred.
Prior experience with Microsoft AzureDevOps and/or Azure PaaS desired.
Experience with integrating AI solutions in development efforts desired.

Technologies

ASP.NET
C#
SQL
JavaScript
Azure DevOps
Azure PaaS

Benefits

Educational Assistance (books, lab fees, registration costs, and more)
Support for Student Loan Repayment
Abundant Career Growth Opportunities
Generous Paid Vacation that starts accumulating from day one, progressively increasing with every five years of service, up to a maximum cap
13 Paid Holidays, including your birthday and the day following Thanksgiving; Floating Holidays too
Paid Sick Time
Highly competitive 401K plan featuring a 6% company match, with immediate vesting with a Roth IRA option
Company-covered short- and long-term disability insurance
Complimentary Life Insurance and the choice of additional Voluntary Life Insurance
Flexible Health Care and Dependent Care benefits

Competencies

Service Champion – Adopts a service orientation, building trusting relationships and delivering value for associates, members, and communities.
Langley Ambassadors – Demonstrates a passion for Langley’s vision, encouraging diversity, equity and inclusion while considering Langley’s values when making decisions and taking accountability for delivering results.
Agile in Action – Adapts to changes in the business, demonstrating innovation to improve Langley and advance the business into the future.
Team Driven – Collaborates across Langley, communicating with transparency and prioritizing a team-based approach that delivers optimal outcomes for associates, members, and communities.
Continuous Learners – Maintains an understanding of Langley’s business and how value is delivered to members and actively pursues opportunities to grow oneself and strengthen the organization.

Physical Requirements

The physical demands described here are representative of those that must be met by an employee to successfully perform the essential functions, duties, and responsibilities of this position. Reasonable accommodations may be made to enable individuals with disabilities to perform the essential functions. While performing the duties of this Job, the employee is frequently required to sit, use hands to the finger, handle, or feel, reach with hands and arms, and talk or hear.

Working Conditions

The work environment characteristics described here are representative of those an employee encounters while performing the essential functions of this job. Reasonable accommodations may be made to enable individuals with disabilities to perform the essential functions. Work will be performed in a climate-controlled office environment where the noise level is quiet to moderate.

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Test Driven Development Developer Jobs

Technology Lead Python Data Engineer - Vice President

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Software Engineer II

Java Front end developers (TDD)

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