Senior Full-Stack Software Engineer Job at Heidi (London)

Software Engineer - Full Stack and Back End

The Software Engineer is an intermediate-level position responsible for particip...

Location

Canada , Mississauga; Toronto

Salary:

Not provided

Citi

Expiration Date

Until further notice

Requirements

2+ years of relevant experience in the Financial Service industry with Back End, preferred Full Stack experience
2+ years of professional experience in software engineering, with a strong focus on full-stack development
Expertise in AngularJS for front-end development
Design, develop, and implement scalable and maintainable web applications using AngularJS, Spring Boot, and SQL
Proficiency in Spring Boot for building robust and scalable backend systems
Strong SQL skills for database design, querying, and optimization
Experience with RESTful APIs and microservices architecture
Excellent problem-solving and analytical skills
Strong communication and collaboration skills

Job Responsibility

Utilize knowledge of applications development procedures and concepts, and basic knowledge of other technical areas to identify and define necessary system enhancements, including using script tools and analyzing/interpreting code
Consult with users, clients, and other technology groups on issues, and recommend programming solutions, install, and support customer exposure systems
Apply fundamental knowledge of programming languages for design specifications
Analyze applications to identify vulnerabilities and security issues, as well as conduct testing and debugging
Serve as advisor or coach to new or lower level analysts
Identify problems, analyze information, and make evaluative judgements to recommend and implement solutions
Resolve issues by identifying and selecting solutions through the applications of acquired technical experience and guided by precedents
Has the ability to operate with a limited level of direct supervision
Can exercise independence of judgement and autonomy
Acts as SME to senior stakeholders and /or other team members

Fulltime

Senior Full Stack Software Engineer

As a Senior Full Stack Software Engineer, you will be responsible for architecti...

Location

United States , San Francisco

Salary:

146300.00 - 235000.00 USD / Year

Atlassian

Expiration Date

Until further notice

Requirements

Business Applications Experience with Oracle Fusion Cloud, Zuora Revenue, Coupa, Anaplan, Avalara, and prior QTC architecture experience
Strong proficiency in modern programming languages (e.g., Java, Python) and frameworks (e.g., React, Node.js)
Exposure to integration platforms such as Workato and RPA platforms such as UIPath
Experience with AI technologies and machine learning frameworks, with a focus on integrating these into business applications
Familiarity with cloud environments such as AWS or GCP, and experience with deploying and managing applications in the cloud
Ability to tackle complex technical challenges and provide innovative solutions
Excellent communication skills to collaborate effectively with cross-functional and leadership teams both across Engineering and Finance organizations
Bachelor's or Master's degree in Computer Science, Information Technology, or a related field

Job Responsibility

Design and implement scalable and robust full-stack solutions that integrate with finance systems or business applications
Collaborate with data scientists and machine learning engineers to incorporate AI features into products, enhancing functionality and user experience
Lead technical design and architecture discussions, ensuring best practices are followed in software development and AI integration
Work closely with technical product managers (TPM), designers, and other engineers and business teams to deliver high-quality products that meet business needs
Drive innovation by exploring new technologies and methodologies to improve product offerings and development processes

What we offer

health coverage, paid volunteer days, wellness resources

Fulltime

Senior Full-Stack Software Engineer

The Codified Controls team is revolutionizing how policies, standards, and contr...

Location

United Kingdom , London

Salary:

Not provided

Citi

Expiration Date

Until further notice

Requirements

Proven experience as a Full Stack Software Engineer in product teams
Strong Experience delivering Go, Python and React code to production
Experience working in an agile software development environment
Proven experience with distributed systems, event-driven architectures, container-based micro-services, distributed logs, SQL and NoSQL databases, and DevSecOps

Job Responsibility

Design, develop, and test software applications
Work closely with other team members to ensure that the software is developed and delivered on time and within budget
Set the standards for high quality software and great user experiences
Stay up to date on the latest software development trends and technologies
Ensure software platforms are compliant with Citi's security and Software Development Life Cycle processes
Work across teams to drive codified controls and an everything-as-code mindset
Support cultural change, instigating critical thinking about controls and processes and encouraging a culture of continuous improvement

What we offer

27 days annual leave (plus bank holidays)
A 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
Hybrid working model (up to 2 days at home per week)

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 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

Senior Software Engineer

We are looking for true team players who think like engineers but act like produ...

Location

Spain , Madrid

Salary:

Not provided

IKEA

Expiration Date

Until further notice

Requirements

Take end-to-end ownership of features—from understanding the problem through to measuring post-launch impact
Collaborate closely with Product Managers during discovery, contributing technical feasibility insights and creative solutions
Think in terms of user outcomes and business metrics, not just technical deliverables
Make data-driven decisions using analytics, user research, and experimentation
Be comfortable with ambiguity and helping define what to build, not just how to build it
Develop using Microservices technology (Docker, Kubernetes, Serverless, etc., especially in GCP)
Build software with modern web technologies: HTML/CSS, JavaScript, TypeScript, React/Angular/Vue
Work across the stack: frontend, backend (Python, Java, Node.js), and databases (SQL)
Implement and maintain CI/CD pipelines with a DevOps mindset
Champion clean code, design patterns, and engineering best practices

Job Responsibility

Take end-to-end ownership of features—from understanding the problem through to measuring post-launch impact
Collaborate closely with Product Managers during discovery, contributing technical feasibility insights and creative solutions
Think in terms of user outcomes and business metrics, not just technical deliverables
Make data-driven decisions using analytics, user research, and experimentation
Be comfortable with ambiguity and helping define what to build, not just how to build it
Design and implement A/B tests and feature flags to validate hypotheses
Instrument applications for analytics and monitoring
Analyse user behaviour data to inform product decisions
Use metrics to measure success and iterate on solutions
Communicate technical concepts to non-technical stakeholders

What we offer

A great culture
A people and planet-positive work environment
Many other perks

Fulltime

Senior Software Engineer

Amla Commerce is looking for an energetic, self-motivated Senior Software Engine...

Location

United States , Milwaukee

Salary:

Not provided

Amla Commerce

Expiration Date

Until further notice

Requirements

6+ years in ASP.Net technologies and software development
Bachelor’s degree in computer science or equivalent
Experience in web development activity using Microsoft Asp.Net
Technology design experience including Performance, Security, Availability, Operations, Monitoring and Support
ASP.Net MVC, .Net Core with C#, Web Services, JSON, XML
Experience working with REST/SOAP web services
JavaScript, Typescript, MV* JS Frameworks (We use React), Node.js, CSS, AJAX
Database experience (MSSQL, NoSQL)
Strong problem-solving skills
Strong communication skills

Job Responsibility

Develop a firm understanding of the key features of the ecommerce platform
Understand how the platform is commonly implemented in different ways for existing and new customers
Identify gaps in the platform and outline opportunities
Participate in product development activities and write required application design and analysis documents
Writing application architecture specifications and assisting with the build of walk-through prototypes
Utilize understanding of the full software life cycle and strong knowledge in Design Methodology – UML
Perform coding to written technical specifications
Investigate, analyze and document reported defects as needed
Create, document, and implement unit test plans, scripts, and test harnesses
Assist in the support and growth of development platform(s)

Senior Full-Stack Web Application Developer / Software Engineer

You will be hands-on, leading the design, implementation, testing, launch, and s...

Location

United States , Bartlett

Salary:

90000.00 - 180000.00 USD / Year

apHarmony Inc.

Expiration Date

Until further notice

Requirements

Bachelor's Degree in Computer Science or related field
In-depth understanding of JavaScript
Ability to write cross-browser and cross-platform applications
5+ years experience writing reusable, maintainable, and well-tested code
Excellent verbal and written communication skills
Excellent teamwork and project management skills

Job Responsibility

Leading the design, implementation, testing, launch, and support of the various applications
Analyzing and Defining Requirements
Developing Full-stack Applications
Testing
Deployment

Fulltime

Senior Full-Stack Software Engineer

Heidi

Location:
United Kingdom , London

Category:
IT - Software Development

Contract Type:
Not provided

Salary:

Job Description:

Job Responsibility:

Requirements:

Nice to have:

Additional Information:

Job Posted:
February 18, 2026

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