Full Stack Engineer with focus on Back-end Job at Sigma Software Group

Senior Software Engineer - Java Full Stack - Futures Engineering

As a Developer, you will be enhancing and maintaining an enterprise Cleared Deri...

Location

United States , Chicago

Salary:

185000.00 - 215000.00 USD / Year

Clear Street

Expiration Date

Until further notice

Requirements

5+ years of professional experience in back-end development with Java
3+ years of experience within a financial institution, preferably in FCM (Futures Commission Merchant) or Broker-Dealer environments
Ability to work under pressure and meet deadlines
Experience building microservices
Strong understanding of design patterns, multithreading, and performance optimization
Strong problem-solving skills and ability to debug complex systems
Hands-on experience with Apache Kafka for event streaming and messaging
Proficiency in MongoDB or AWS DocumentDB for NoSQL database design and querying
Familiarity with Apache Solr for search and indexing, Apache ZooKeeper for distributed system coordination, and HashiCorp Vault for secrets management
Experience with Kubernetes for container orchestration and deployment

Job Responsibility

Working in a project team alongside other developers to architect, develop, and optimize server-side applications, RESTful APIs, and microservices using Java
Implement event-driven architectures with Apache Kafka and for real-time data processing
Contribute to front-end development using ReactJS, focusing on integrating UI components with back-end services
Optimize application performance, security, and reliability
Deploy and manage applications in Kubernetes clusters, ensuring high availability and scalability
Provide technical support for application
Collaborate with cross-functional teams across the organization to architect solutions and deliver robust features
Participate in code reviews, unit testing, and CI/CD pipeline maintenance

What we offer

competitive compensation packages
company equity
401k matching
gender neutral parental leave
full medical, dental and vision insurance
lunch stipends
fully stocked kitchens
happy hours

Fulltime

Software Engineer, Full Stack

Figma is growing our team of passionate creatives and builders on a mission to m...

Location

United States , San Francisco; New York

Salary:

149000.00 - 350000.00 USD / Year

Figma

Expiration Date

Until further notice

Requirements

Proven experience in shipping and maintaining full-stack applications in production
Strong proficiency in modern front-end frameworks (e.g., React/TypeScript) and back-end technologies (e.g., Ruby, Python, Go, C++, PostgreSQL)
A product mindset, with the ability to translate user needs into scalable technical solutions
Excellent collaboration and communication skills, with experience working effectively across cross-functional teams
Passion for engineering craft and building polished, maintainable, and scalable systems

Job Responsibility

Design, build, and ship high-quality features across the stack, from polished front-end experiences to scalable back-end systems
Contribute to both new product development and improvements to established products, balancing user experience craft with performance and architecture quality
Own projects end-to-end — ideation, technical design, implementation, testing, launch, and iteration
Collaborate with cross-functional partners in Product, Design, Research, and Data to shape product direction and strategy
Operate, monitor, and continuously improve the systems you build, with a strong focus on reliability, security, and scalability
Mentor teammates, contribute to team culture, and share knowledge through code reviews, design critiques, and pairing

What we offer

health, dental & vision
retirement with company contribution
parental leave & reproductive or family planning support
mental health & wellness benefits
generous PTO
company recharge days
a learning & development stipend
a work from home stipend
cell phone reimbursement
equity

Fulltime

Senior Full-Stack Developer (Back-End Focus)

We’re looking for a talented and driven Full-Stack Developer to join our dynamic...

Location

Salary:

Not provided

gamdom

Expiration Date

Until further notice

Requirements

Proven experience as a Full-Stack Developer with a backend focus
Strong expertise in: React.js for scalable UI development
Node.js & Express for backend services
PostgreSQL for relational database design and management
MUI for consistent UI/UX design
WebSockets (socket.io) for real-time communication
Strong problem-solving and analytical skills
Ability to work in a fast-paced, collaborative environment
Excellent communication skills (verbal & written)
Adaptability and eagerness to learn new technologies

Job Responsibility

Frontend Development: Build and maintain user interfaces with React.js and MUI for responsive, consistent design
Backend Logic: Develop robust server-side functionality with Node.js and Express
Database Management: Design and optimize schemas and queries using PostgreSQL
Real-Time Features: Implement live updates and streaming with WebSockets (socket.io)
Collaboration: Work closely with product managers, designers, and other engineers to deliver high-quality features
Quality & Performance: Troubleshoot issues, write unit/integration tests, and optimize performance for scalability
Continuous Learning: Stay up-to-date with modern tools, frameworks, and best practices

What we offer

Fully remote - work from anywhere in the world
Flexible schedule
30 days of paid time off
Equipment allowance

Fulltime

Senior Full Stack Engineer

We are looking for a highly skilled Senior Full Stack Engineer to join our growi...

Location

India , Ahmedabad

Salary:

Not provided

Tech Holding

Expiration Date

Until further notice

Requirements

Bachelor's or Master's degree in Computer Science, Information Technology, or a related field
Minimum 4+ years of professional experience in software development
2+ years of experience with Node.js, React, Ruby, Python, or similar languages
2+ years of experience with PostgreSQL or MySQL
Strong understanding of MVC architecture and design patterns
Proficient in JavaScript, CSS, HTML
Fluent in SQL scripting and database optimization
Hands-on experience with AWS/GCP/Azure Cloud
Strong knowledge of Linux/Unix systems and networking protocols
Experience writing Unix Shell scripts and automation tasks

Job Responsibility

Design, develop, and maintain full-stack web applications using modern frameworks and technologies
Implement scalable and maintainable solutions following MVC design patterns
Work on both front-end and back-end development using JavaScript, Node.js, React, Ruby, Python, or similar languages
Develop and optimize SQL queries and manage databases such as PostgreSQL or MySQL
Build responsive and dynamic interfaces using HTML, CSS, JavaScript Frameworks
Leverage AWS/GCP/Azure cloud services for deployment and scaling
Write unit tests and ensure code quality through reviews and continuous integration
Maintain and enhance existing systems, troubleshoot issues, and improve performance
Utilize Unix/Linux environments, scripting in Shell and SQL for automation and system management
Collaborate with product owners, designers, and engineers to deliver high-quality features on time

What we offer

A culture that values flexibility, work-life balance, and employee well-being - including Work From Home Fridays
Competitive compensation packages and comprehensive health benefits
Work with a collaborative, global team of engineers who thrive on solving complex challenges
Exposure to multi-cloud environments (AWS, GCP, Azure) and modern DevOps tooling at scale
Professional growth through continuous learning, mentorship, and access to new technologies
Leadership that recognizes contributions and supports career advancement
The chance to shape DevOps best practices and directly influence company-wide engineering culture
A people-first environment where your ideas matter and innovation is encouraged

Fulltime

Senior Full Stack Engineer, Data Platform - Experimentation

We are looking for an experienced Senior Full Stack Software Engineer to join ou...

Location

Germany , Berlin

Salary:

Not provided

Bolt

Expiration Date

Until further notice

Requirements

A full-stack engineer with 5+ years of tech experience, including 2+ years in frontend/full-stack roles
Strong Front-end skills: JavaScript/TypeScript, CSS, and HTML
Solid Back-end understanding: experience building APIs and using relational databases (SQL)
Excellent communication and above-average soft skills for collaborating with cross-functional teams and talking to users
A strong UX mindset to ensure simple, self-explanatory design and intuitive interfaces
Proactive problem-solving with a product mindset, focused on value and driving impact

Job Responsibility

Take full ownership of the UI/UX of the AB Platform, including redesign of the existing tools and adding AI capabilities
Contribute directly to improving key features, focusing on performance and user experience
Collaborate with the team to build and optimise the Experimentation Platform used by hundreds of internal users
Work closely with product teams and users to ensure the platform is intuitive and easy to use for non-technical users, including conducting user interviews
Help maintain and evolve high-traffic (200k RPS) back-end services

What we offer

Get a rewarding salary and stock option package that lets you focus on doing your best work

Full Stack Developer

You want to join a company that places people at the heart of its concerns? We a...

Location

Romania , Bucharest

Salary:

Not provided

Extia

Expiration Date

Until further notice

Requirements

5+ years of experience with Java 8+ and back-end development
Experienced with React
Strong understanding of RESTful APIs and how to design and integrate them
Experience with Spring Framework (Spring Boot, Spring MVC) for Java-based back-end development
Strong debugging capabilities and wide system understanding
Experience with containers such as OpenShift, Docker and Kubernetes
Experience with concepts as multithreading, REST, Web-sockets and application servers
French language knowledge is highly appreciated

Job Responsibility

Design, develop, and maintain web applications using React and TypeScript on the front end and Java on the back end
Design and build reusable React components with a focus on maintainability and performance
Build and implement scalable APIs and services in Java to support front-end functionalities
Participate in the development of complex features in the system responsible for all development lifecycles including design, development, deployment, CI/CD processes, automation, build, and release flows
Building and maintaining scalable microservices
Collaborating closely with other engineers, product owners, architects, and customers to identify and solve challenging problems

Fulltime

Staff Software Engineer

As a Staff Software Engineer on the Platform team, you will build software that ...

Location

United States , Irvine

Salary:

150000.00 - 205000.00 USD / Year

Viant

Expiration Date

Until further notice

Requirements

8+ years of professional experience in the software industry
Minimum B.S. in computer science, mathematics, or a related field
Experience with web application development, including front-end JavaScript/TypeScript and back-end Java/C#/C++/Go
Experience with web services, RESTful services, or microservices
Experience with databases like MySQL, SQL Server, Oracle, or Postgres
Experience with cloud computing platforms, especially AWS and GCP

Job Responsibility

Build software that solves complex problems while considering long-term strategy and direction
Deliver simple, elegant, scalable, and extensible solutions
Design, develop, maintain, and troubleshoot software features with a focus on cost, scalability, performance, and fault tolerance
Participate in design discussions, code reviews, and bug triage/Root Cause Analysis (RCA) sessions
Share knowledge and experience with the team
Collaborate with Product, Engineering, and Technical Operations teams throughout the entire lifecycle
Contribute to the development and continuous review of existing projects
Participate in the planning and scope of future projects
Collaborate to create and iterate on Viant’s customer-facing platform: full-stack development for adding features, improving user experience, enhancing performance
Take ownership of functional areas of the platform, such as API development, improving observability, release process improvement

What we offer

Fully paid health insurance
Paid parental leave
Unlimited PTO

Talent Acquisition Specialist - Engineering

As a Talent Acquisition Specialist at Perk, you will be a key player in supporti...

Location

United Kingdom , London

Salary:

Not provided

Yokoy

Expiration Date

Until further notice

Requirements

Proven experience recruiting technical talent, with a strong focus on Engineering roles including Front-End, Back-End, and Full-Stack developers
Significant experience handling full life cycle recruitment in a fast-paced environment
Background hiring in a similar tech-driven or product-led company
Data-driven approach to tracking and optimizing sourcing performance
Creative and proactive mindset, confident experimenting with new tools and methods
Excellent communication and stakeholder management skills
Flexible and adept at working on multiple assignments simultaneously
Commitment to spend time sourcing, driving a consistent flow of top talent through proactive sourcing and relationship building

Job Responsibility

Hire exceptional talent across our Builders organisation, with a focus on Engineering
Proactively source and engage candidates through direct sourcing, referrals, social networks, and targeted outreach campaigns
Partner with Hiring Managers to deeply understand role requirements, team dynamics, and business priorities
Own the full-cycle recruitment process from sourcing to offer and onboarding
Boost our Employer Brand by hosting virtual events, attending hiring fairs, creating content, and engaging with talent communities
Develop and test innovative sourcing strategies using creative outreach, data insights, and new recruitment tools
Use Talent Acquisition tools effectively such as LinkedIn Recruiter, and other sourcing platforms
Maintain high-quality candidate pipelines for both current openings and future organizational needs

What we offer

Receive competitive compensation and equity ownership in Perk
Rest and recharge with 25 days of annual leave plus bank holidays
Take control of your physical health with private medical cover and voluntary dental insurance from Bupa, and discounted gym memberships with GymFlex
Plan for your future with our qualifying earnings company pension plan with Aviva
Know that your loved ones are protected financially through your Life Insurance
Rest assured that you’re covered by income protection in case you experience a long-term sickness or absence
Leverage tax-efficient cycle and electric car schemes with Cycle2Work & Octopus
Join our unforgettable Perk events, including our spectacular annual summer party
Always feel supported with Spring Health, our market-leading wellbeing partner, providing fast, comprehensive access to 12x therapy and 12x coaching sessions for you and your loved ones
Focus on your family with 12-16 weeks’ paid parental leave

Fulltime

Full Stack Engineer with focus on Back-end

Sigma Software Group

Location:

Category:
IT - Software Development

Contract Type:
Not provided

Salary:

Job Description:

Requirements:

Additional Information:

Job Posted:
January 30, 2026

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