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Senior C# Cloud Mobile SQL DevOps

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1mo ago

Lead Data Developer - VP

Citi New York, NY

New York, NY

1mo ago Closed

$142k - $213k/yr Full time Amazon S3 Big Data Cloud

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

Job Description

Benefits and culture

Join a leadership role at Citi that prioritizes real time risk data capabilities, mentoring, and cross team collaboration. The position is onsite in New York, with a competitive annual compensation ranging from USD 142,320 to 213,480, along with a robust benefits package and opportunities to shape high-performance data platforms.

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

Responsibilities

Architectural leadership as the principal architect for scalable, high‑performance Java real‑time data solutions, ensuring high availability, fault tolerance, and resilience for both real‑time and end‑of‑day risk processes.
Drive strategic implementation and optimization of distributed stream processing frameworks (Apache Kafka, Apache Flink) and real‑time storage technologies (Apache Pinot) for ultra‑low‑latency analytics and complex event processing.
Lead end‑to‑end design, development, and operation of real‑time streaming data pipelines, integrating with large‑scale object storage like S3 and analytics engines such as Trino.
Champion technical excellence and mentorship, improving reliability, efficiency, and scalability; establish and enforce best practices for code quality, performance optimization, and system resilience through hands‑on leadership and thorough peer reviews; mentor senior and lead developers.
Own significant contributions across the Agile software development lifecycle, from architectural vision and detailed design to implementation, deployment, monitoring, and ongoing support for critical real‑time data systems.
Collaborate with business analysts, product managers, QA teams, and other engineering leads to deliver integrated, high‑impact technology solutions aligned with business goals and architectural standards.
Stay current with industry trends in real‑time data processing, distributed systems, and cloud‑native architectures, evaluating and proposing beneficial technology adoptions.

Requirements

7+ years of progressive experience in data engineering and software development with a focus on high‑performance, large‑scale distributed systems.
Expert level Java (11+) with deep knowledge of concurrency, multithreading, advanced OOP concepts, design patterns, and performance tuning.
Hands‑on production experience and deep architectural understanding of:
- Apache Kafka for high throughput messaging
- Apache Flink for real‑time stream processing
- Apache Pinot for ultra‑low‑latency OLAP on streaming data
Distributed systems architecture expertise focused on availability, scalability, and resilience
Experience with large‑scale storage solutions (S3, HDFS) and distributed query engines (Trino/Presto, Spark SQL)
Advanced SQL skills with a track record of optimizing complex queries over large datasets
Proven Agile leadership experience guiding technical initiatives and teams
Strong communication, analytical, and problem‑solving abilities to convey complex concepts and drive architectural consensus

Technologies

Java
Apache Kafka
Apache Flink
Apache Pinot
S3
Trino
HDFS
Spark SQL
Kubernetes
OpenShift
AWS, Azure, GCP
Presto

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1mo ago

Cloud Developer - Senior

Bow Wave LLC Washington, DC

Washington, DC

1mo ago Closed

$175k - $185k/yr Full time Senior Cloud Operations DevOps

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

Job Description

Benefits

Bow Wave LLC offers a senior cloud engineering role in Washington, DC with hybrid work flexibility and a competitive salary range of USD 175,000 to 185,000 per year. This position centers on guiding the design, deployment, and ongoing management of hybrid IT environments that combine AWS services with on‑premises Windows Server infrastructure. You will lead enterprise applications across cloud and local environments, collaborate with cross‑functional teams, and contribute to secure, reliable systems for government and contractor programs.

Responsibilities

Lead the design, deployment, and ongoing management of enterprise applications running in AWS and on‑premises Windows Server environments.
Provide operations and maintenance support, including patching, hardening, system upgrades, and routine upkeep.
Deliver infrastructure assistance during core and non‑core hours as required to meet mission needs.
Collaborate with Cloud Engineers, DBAs, and Security Engineers to ensure system compliance, reliability, and security.
Support application development, deployment, and lifecycle activities in coordination with government and contractor teams.

Requirements

Strong expertise in AWS services (S3, EC2, ECS, RDS, VPC, CloudWatch) and Windows Server administration.
Experience with Infrastructure as Code, automation, DevSecOps practices, and auto‑scaling solutions.
Ability to independently develop cloud optimization strategies and maximize AWS capabilities.
Experience with full SDLC, Agile/Scrum/Kanban, and Atlassian tools (Jira, Confluence).
Strong analytical, technical, documentation, communication, and planning skills.
Ability to work independently, identify system improvements, and support team growth.
Minimum 7+ years of relevant experience.
Bachelor's degree.

Technologies

AWS S3
AWS EC2
AWS ECS
AWS RDS
AWS VPC
AWS CloudWatch
Windows Server
Jira
Confluence

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1mo ago

Database Developer

Pentalpha Surveillance Buffalo, NY

Buffalo, NY

1mo ago Closed

$70k - $100k/yr Full time Data Integration Data Processing Database

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

Job Description

Pentalpha Surveillance is hiring a Database Developer for a full-time, hybrid role based in Buffalo, New York. The position focuses on ETL data loading and validation, the development and maintenance of database functionality for in-house applications, and the production of low to medium complexity reports.

Responsibilities

Design, implement, and maintain ETL processes to load data from structured and unstructured sources into relational databases.
Develop and manage database functions, procedures, and triggers.
Create and maintain technical documentation, including requirements, design specifications, and user manuals.
Identify, troubleshoot, and resolve data-related issues to ensure data accuracy, consistency, and reliability.
Collaborate with business stakeholders to build, enhance, and support database functionality while ensuring alignment with business requirements.

Requirements

Strong experience with SQL, PL/SQL, or T-SQL and solid understanding of relational database concepts.
Excellent analytical and problem-solving abilities.
Strong written, verbal, and interpersonal communication skills.
High attention to detail and a commitment to data quality.
Ability to professionally manage confidential and sensitive information.

Technologies

Oracle Database
SQL
PL/SQL
T-SQL
Python
Git

Benefits

401(k)
401(k) matching
Flexible spending account
Health insurance
Health savings account
Paid time off
Parental leave
Professional development assistance

Application Question(s)

Will you now or in the future require sponsorship for employment visa status (e.g., H-1B visa status)?

Education

Bachelor's (Preferred)

Experience

Professional SQL Development: 1 year (Preferred)
Code based ETL: 1 year (Preferred)
Python for Automation: 1 year (Preferred)

Location

Buffalo, NY 14228 (Preferred)

Work Location

Hybrid remote in Buffalo, NY 14228

Salary

$70,000.00 - $100,000.00 per year

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1mo ago

Principal/Senior Principal Software Engineer - User Experience Applications

Northrop Grumman San Diego, CA

San Diego, CA

1mo ago Closed

$114k - $213k/yr Full time Senior Agile APIs

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

Job Description

Principal and Senior Principal Software Engineer specializing in User Experience applications, stationed on site in San Diego, CA as part of Northrop Grumman Aeronautics Systems. This role operates within an Agile software development environment with a focus on UX applications.

Responsibilities

Collaborate within an Agile, cross-functional team that includes Systems Engineering, Cloud & Application, Test Automation, DevSecOps, and Systems Test.
Contribute to the full software development life cycle, including prototyping, GUI design, and the delivery of build, test, and release artefacts.
Work with object oriented programming, design patterns, JMS, Web Services, XML, and related technologies such as XPath, XSLT, and XSD.
Develop enterprise Java EE solutions in a service oriented architecture environment.
Operate in a process-driven software development lifecycle across delivery stages.
Engage with team members on a regular basis to advance project goals.

Requirements

Level 3: Bachelor's Degree in a STEM discipline and 5 years of related engineering experience.
Level 3: Master's Degree in a STEM discipline and 3 years of related engineering experience.
Level 3: PhD in a STEM discipline and 1 year of related engineering experience.
Level 4: Bachelor's Degree in a STEM discipline and 8 years of related engineering experience.
Level 4: Master's Degree in a STEM discipline and 6 years of related engineering experience.
Level 4: PhD in a STEM discipline and 4 years of related engineering experience.
Experience with agile development, including roles such as Product Owner, SCRUM Master, or team member within an Agile environment.
Experience across the full Software Development Life Cycle (SDLC).
Proficiency in Agile software development, with expertise in OO architecture, software integration, and testing.
Strong experience with Java, Java microservices, and GUI applications.
Experience with at least two of the following: Python, Go, C++, C#, PowerShell, VBScript, Bash, or KornShell.
Experience with Cloud technologies and service providers.
Active in-Scope, U.S. Government Top Secret SCI security clearance.
Ability to obtain and maintain initial SAP/PAR before starting employment, with upgrades to SAP/PAR as required.

Technologies

Java, Java Enterprise Edition (JEE), JMS
Web Services, XML, XPath, XSLT, XSD
SOA, GUI applications, Java microservices
Python, Go, C++, C#, PowerShell, VBScript, Bash, KornShell
Cloud technologies and providers, Kubernetes, Amazon ECS, Docker Swarm, Nomad, Red Hat OpenShift
Databases: Oracle, MySQL, Microsoft SQL Server, PostgreSQL, MongoDB, Redis, Elasticsearch
UML, Data Distribution Service (DDS)
Tools: JIRA, SonarQube, Atlassian Suite
SQL/NoSQL databases

Benefits

Health insurance
Life and disability insurance
Savings plan
Company paid holidays
Paid time off for vacation and personal matters
401K matching program
Long term incentives
Annual bonuses

Relocation Assistance

Relocation assistance may be available

Security Clearance

Clearance required for start: Yes
Clearance type: Top Secret

Travel

Travel: Yes, approximately 10 percent of the time

Location

San Diego, California, onsite

Salary

Primary level: $114,000.00 - $171,000.00 per year
Secondary level: $142,200.00 - $213,400.00 per year

Description

Northrop Grumman offers opportunities to work on systems with broad, real world impact and a long history of technological leadership. The organization seeks individuals with innovative ideas and a proactive mindset to contribute to its mission in aerospace and defense.

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1mo ago

Senior Software Engineer - Tech Lead (AWS, Databricks, SQL)

The Travelers Companies, Inc. Saint Paul, MN

Saint Paul, MN

1mo ago Closed

$139k - $230k/yr Full time Senior Data Processing Database

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

Job Description

The Travelers Companies offers comprehensive health coverage, a retirement plan, paid time off, a wellness program, and encouragement to volunteer. This onsite role in Saint Paul, Minnesota invites you to join a collaborative engineering culture that values practical impact and leadership in technology. The Senior Software Engineer and Tech Lead role focuses on end to end software engineering across multiple systems, providing technical leadership and user focused consultation. You will design, build, test, and deploy solutions using AWS, Databricks, and SQL.

Responsibilities

Create reliable, automated pipelines for applications and data transformations.
Architect API interfaces to enable robust integrations.
Use AWS services to build resilient, high performing applications and data stores.
Conduct sophisticated analysis, design at an advanced level, configure systems, and develop functions for high impact projects.
Lead the direction and implementation of solutions to moderately complex, loosely defined problems aligned with team goals.
Deliver results independently and by guiding other team members.
Spearhead investigations and remediation for critical, high impact problems, defects, and incidents.
Champion technology opportunities that improve business outcomes.
Offer technical guidance and mentorship while nurturing a collaborative team culture.
Apply current industry trends and techniques to shape solutions within assigned efforts.
Pursue opportunities to broaden technical skills and capabilities.
Take on additional duties as assigned.

Requirements

Bachelor's degree in computer science, a related STEM field, or equivalent education and work experience.
At least six years of software engineering experience.

Technologies

AWS
Databricks
SQL

Compensation and location

Location: Saint Paul, MN (onsite)
Salary range: $139,400 - $230,000 per year
Openings: 1

Benefits

Health Insurance
Retirement
Paid Time Off
Wellness Program
Volunteer Encouragement

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1mo ago

Software Engineer/ UI Tech Lead Level 3 or 4

Northrop Grumman Aurora, CO

Aurora, CO

1mo ago Closed

$114k - $213k/yr Full time Backend Developer Senior Agile

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

Job Description

Northrop Grumman is seeking a seasoned Software Engineer to lead a small, high-performing development team focused on building and evolving UI applications deployed in cloud environments. The role encompasses full-stack responsibilities across backend services, frontend UI, and cloud operations, with Agile leadership. Location: Aurora, Colorado, onsite.

Responsibilities

Lead a compact, high-performing development team dedicated to building and evolving UI applications deployed in cloud environments.
Apply hands-on, full-stack experience across backend services, frontend UI, and cloud operations.
Extend existing UI platforms with new capabilities and enhancements.
Champion Agile development practices to guide efficient delivery and collaboration.

Requirements

Level 3

Bachelor's degree in Science with 5+ years of software development experience; or Master's degree with 3+ years of relative experience; or an additional 4 years of experience may be considered in lieu of a degree.

Level 4

Bachelor's degree in Science with 8+ years of software development experience; or Master's degree with 6+ years of relative experience; or an additional 4 years of experience may be considered in lieu of a degree.

Requires an active Top-Secret (TS) clearance with Sensitive Compartmented Information (SCI) eligibility at the time of application.
Ability to pass a Counterintelligence Polygraph (CI-Poly) (not required to start).
Experience with Full-Stack Development: design, implement, and maintain backend services such as APIs and data processing.
Ability to analyze existing UI codebases to identify opportunities to extend functionality, improve performance and scalability, and ensure maintainability.
Familiarity with Agile Processes.
Experience producing and maintaining architectural diagrams, API specifications, and developer guides.
Experience with TypeScript/Node.js, React or equivalent (Angular, Vue).

Technologies

TypeScript
Node.js
React
Angular
Vue
NestJS
Express
Redis
BullMQ
SQL Database
RxJS
GitLab
Docker
Podman
Kubernetes
Python
Golang
AWS (EC2, S3, CloudFront, Amplify, RDS)
Atlassian Suite

Benefits

Health insurance coverage
Life and disability insurance
Savings plan
Company paid holidays
Paid time off (PTO) for vacation and/or personal business
Long Term Incentives
Annual bonuses

Salary Ranges

Primary level salary range: $114,000.00 – $171,000.00

Secondary level salary range: $142,200.00 – $213,400.00

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1mo ago

Software Engineer (TS/SCI Poly)

The Josef Group Inc. Columbia, MD

Columbia, MD

1mo ago Closed

$180k - $280k/yr Full time Backend Developer Python APIs

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

Job Description

The Josef Group Inc. is seeking a Software Engineer with active TS/SCI clearance and Full Scope Poly to design, develop, and integrate software solutions for a high-priority Operations customer. The role involves eliciting requirements, integrating capabilities, building data tools, and automating tasks. Location is Columbia, MD with a hybrid work arrangement. Salary is USD 180,000 - 280,000 per year.

Responsibilities

Gather and interpret stakeholder needs to shape technical designs.
Develop and integrate capabilities into current platforms and SDKs.
Create scripts and interfaces to convert and standardize data.
Automate tasking and data collection by adding new tools and capabilities to existing platforms.

Requirements

Production-grade software development experience in Python, JavaScript, or Java.
Experience deploying and maintaining production services in a fast-paced environment.
Containerization and deployment of services with Docker and Kubernetes.
Familiarity with Git and CI/CD pipelines.
Experience with Atlassian tools such as Jira and Confluence.