Senior Backend Engineer (Security Compliance) Job at Randstad (London)

Senior Software Engineer, Backend (AI Agent)

At Cresta, the AI Agent team is on a mission to create state-of-the-art AI Agent...

Location

Canada , Toronto

Salary:

Not provided

Cresta

Expiration Date

Until further notice

Requirements

Bachelor’s degree in Computer Science or a related field
5+ years of experience in backend system architecture, cloud services, or related technology fields
Proficient in designing and maintaining clear and robust APIs with a strong understanding of protocols including gRPC, REST
Previous experience working with Virtual Agent or AI Agent systems
Experience in high-performance database schema design and query optimization, including knowledge of SQL and NoSQL databases
Experience in containerized application deployment using Kubernetes and Docker in microservices architectures
Experience with cloud environments such as AWS, Azure, or Google Cloud, with a strong understanding of cloud security and compliance standards

Job Responsibility

Design, develop, and maintain scalable and robust backend architectures for Cresta’s AI Agent solutions and proprietary models
Collaborate with cross-functional teams including frontend engineers, machine learning engineers to ensure seamless integration of AI Agents into Cresta’s customer solutions
Lead initiatives to enhance system scalability and reliability in production environments, focusing on backend services that support AI functionalities
Drive efforts to optimize server response times, process large volumes of data efficiently, and maintain high system availability
Innovate and implement security measures, cost-reduction strategies, and performance improvements in backend systems supporting AI Agents

What we offer

We offer Cresta employees a variety of medical, dental, and vision plans, designed to fit you and your family’s needs
Paid parental leave to support you and your family
Monthly Health & Wellness allowance
Work from home office stipend to help you succeed in a remote environment
Lunch reimbursement for in-office employees
PTO: 3 weeks in Canada

Senior Java Backend Engineer

We are looking for a highly skilled and hands-on Software Engineer to drive mode...

Location

India , Pune

Salary:

Not provided

Citi

Expiration Date

Until further notice

Requirements

13 to 18 Years of experience
Strong hands-on experience in coding Java, Microservices, Sprintboot, Oracle Database, any cloud
Deep expertise in system design and microservices architecture
Experience with trunk-based development, feature flags, and progressive delivery strategies
Proficiency in TDD, BDD, and automation-first mindset to ensure high test coverage and reliability
Strong understanding of CI/CD pipelines, and DevOps practices
Experience conducting code reviews, vulnerability assessments, and secure coding
Familiarity with modern cloud-native technologies (AWS, Kubernetes, Docker)
Excellent problem-solving skills and ability to work in fast-paced, agile environments
Strong communication and collaboration skills.

Job Responsibility

Design, develop, and maintain robust, scalable, and high-performance applications
Implement trunk-based development practices to enable continuous integration and rapid delivery
Develop clean, maintainable, and testable code following SOLID principles and software design best practices
Ensure high levels of unit test coverage, test-driven development (TDD), and behavior-driven development (BDD)
Actively contribute to hands-on coding, code reviews, and refactoring to maintain high engineering standards
Drive the adoption of modern engineering ways of working, including Agile, DevOps, and CI/CD
Advocate for automated testing, infrastructure as code, and continuous monitoring to enhance software reliability
Apply Behavior-Driven Development (BDD), Test-Driven Development (TDD), and unit testing to ensure code quality and functionality
Conduct thorough code reviews, ensuring adherence to best practices in readability, performance, and security
Implement and enforce secure coding practices, performing vulnerability assessments and ensuring compliance with security standards

Fulltime

Senior Principal Engineer Core Data Platform

As an engineer well into your career, we know you're an expert at what you do an...

Location

United States , Seattle; San Francisco; Mountain View

Salary:

198300.00 - 318600.00 USD / Year

Atlassian

Expiration Date

Until further notice

Requirements

Bachelor’s or Master’s degree in Computer Science, Software Engineering, or a related technical field
12+ years of experience in backend software development, with a focus on distributed systems and large-scale storage solutions
8+ years of experience designing and managing highly available, large-scale storage architectures in cloud environments
5+ years of hands-on experience working with AWS storage services (S3, EBS, EFS, FSx, Glacier, DynamoDB)
Proficiency in system design, performance optimization, and cost-efficient architecture for exabyte-scale storage
Expertise in at least one major backend programming language (Kotlin, Java, Go, Rust, or Python)
Experience leading technical strategy and architectural decisions in large, multi-team engineering organizations
Strong understanding of distributed systems principles, including consistency models, replication, sharding, and consensus algorithms (Raft, Paxos)
Deep knowledge of security best practices, including encryption, access control (IAM), and compliance standards (SOC2, GDPR, HIPAA)
Experience mentoring senior engineers and driving high-impact engineering initiatives

Job Responsibility

Collaborate with partner teams and internal customers to help define technical direction and OKRs for the Core Data platform organization
Regularly tackle the largest and most complex problems on the team, from technical design to implementation and launch
Partner across engineering teams to take on company-wide initiatives spanning multiple projects
Routinely tackle complex architecture challenges and apply architectural standards and start using them on new projects
Work across senior engineering and product leaders to build strategy and design solutions to earn customers trust and business
Own key OKRs and end-to-end outcomes of critical projects in a microservices environment
Champion best practices and innovative techniques for scalability, reliability, and performance optimizations
Own engineering and operational excellence for the health of our systems and processes
Proactively drive opportunities for continuous improvements and own key operational metrics
Continually drive developer productivity initiatives to ensure that we unleash the potential of our own teams

What we offer

health coverage
paid volunteer days
wellness resources

Fulltime

Senior Backend Developer

We are seeking a skilled and experienced Backend Developer with 5 to 8 years of ...

Location

India

Salary:

Not provided

NorthBay

Expiration Date

Until further notice

Requirements

Proven experience in backend development with Python or Node.js
Strong understanding of microservices architecture and RESTful API design
Experience with containerization tools like Docker and orchestration with Kubernetes
Knowledge of testing frameworks (e.g., PyTest, Mocha, Jest) and test-driven development practices
Hands-on experience with SQL, NoSQL (e.g., MongoDB, DynamoDB), and Vector databases (e.g., Pinecone, FAISS)
Experience deploying and managing applications on cloud platforms (AWS, Azure, or GCP), including compute services, serverless functions, cloud databases, and networking components
Strong problem-solving skills, communication abilities, and a collaborative mindset
Self-motivated and able to work independently in a distributed team environment

Job Responsibility

Design, develop, and maintain robust and scalable RESTful APIs for enterprise-level applications
Build and deploy microservices using modern backend frameworks with a strong emphasis on performance and maintainability
Implement containerized applications using Docker and Kubernetes
Write unit and integration tests using relevant testing frameworks to ensure code quality and system reliability
Collaborate with cross-functional teams including front-end developers, DevOps, and data engineers to deliver high-quality software solutions
Optimize backend performance and ensure security compliance throughout the development lifecycle
Maintain and work with various database technologies including SQL, NoSQL, and Vector databases
Deploy, monitor, and troubleshoot applications in cloud environments (compute, serverless, networking, storage)

Fulltime

Senior Backend Developer

AI-BOB is an AI-powered platform that catches construction mistakes before they ...

Location

Sweden , Stockholm

Salary:

Not provided

AI-BOB

Expiration Date

Until further notice

Requirements

Expertise in TypeScript and a track record of building scalable backend systems
A problem-solver at heart, with experience tackling challenges like 3D algorithms, AI/ML, image recognition, or generative AI
Someone who cares about sustainability and wants to cut waste from construction
A curious, creative thinker who's fascinated by the intersection of construction and tech
A self-starter who thrives in a fast-moving, product-focused environment

Job Responsibility

Develop scalable and efficient backend systems that power AI-BOB's compliance platform
Solve complex problems in areas like 3D algorithms, machine learning, image recognition, and generative AI
Build rock-solid APIs that keep data flowing seamlessly between frontend and external systems
Optimize our platform for performance, security, and scalability
Collaborate with AI researchers, architects, and engineers to build innovative solutions
Experiment, iterate, and push boundaries - because we're building something that hasn't been done before

What we offer

Competitive Salary & Equity
Be Part of Something Big – We're fixing one of the biggest inefficiencies in construction
Real-World Impact – Your work will help reduce waste, cut costs, and make buildings more sustainable
Work with Cutting-Edge Tech – AI, 3D algorithms, machine learning, automation—you name it
A Team That Has Your Back – We trust each other, we support each other, and we have fun doing it

Fulltime

Senior Software Engineer - Treasury

The Treasury team is a team of full-stack engineers that are building thoughtful...

Location

United States; Canada , San Francisco; New York; Portland

Salary:

166600.00 - 208300.00 USD / Year

Mercury

Expiration Date

Until further notice

Requirements

4+ years of backend or full-stack development experience
Knowledge of or excitement to learn Haskell
Domain knowledge of RIA and broker-dealer systems that support both individual securities (equities, fixed income) as well as ETFs and mutual funds
Experience leading product and/or infrastructure projects that fulfill State, SEC, and/or FINRA regulatory requirements with a track record of success
Comfortable mentoring both junior and mid-level engineers
Communicates and collaborates effectively with peers and cross-functional counterparts by being helpful and engaged

Job Responsibility

Lead high-impact, cross-functional projects across Treasury engineering, compliance, operations, and risk teams to build stable and scalable systems and processes
Establish a compliant standard for retention, audit trails, and reporting across Treasury
Collaborate with product, compliance, design, and operations to ship thoughtful features for our customers and internal users
Feel a strong sense of product ownership and actively seek responsibility – we want someone excited to help shape and build Mercury’s future
Join a team of experienced and junior product engineers managing billions of dollars of customer assets

What we offer

base salary
equity (stock options)
benefits
reasonable accommodations throughout the recruitment process for applicants with disabilities or special needs

Fulltime

Senior Software Engineer

Transform Military Healthcare with Code: Join Rackner to build secure, cloud-nat...

Location

Salary:

Not provided

Rackner

Expiration Date

Until further notice

Requirements

5+ years of experience in software engineering (backend, API, or full-stack)
Proficient in Python, Java, or C#
Experienced with REST APIs (FastAPI, AWS Lambda) and OpenAPI specifications
Skilled in data pipeline orchestration (dbt, Apache Airflow, Apache Spark, Iceberg)
Knowledgeable in federal compliance frameworks (NIST 800-53, HIPAA, FISMA High)
Active DoD Secret Clearance (or higher)

Job Responsibility

Develop secure APIs and cloud-native services for DHA systems
Build and maintain data pipelines to normalize structured and unstructured data
Integrate healthcare data into FHIR and OMOP standards for analytics and decision support
Collaborate with DevSecOps engineers to deploy applications in secure, high-compliance cloud environments
Ensure software is scalable, compliant, and maintainable while enabling rapid delivery

What we offer

Flexible Hybrid Work & Weekly Pay – Onsite only a few days per month
Professional Growth – Paid certifications and training for relevant technologies
Comprehensive Benefits – 401k (100% match up to 6%), PTO, medical/dental/vision, life & disability insurance
Perks & Culture – Gym/fitness membership, home office setup, swag, snacks, and team events

Fulltime

Java Backend Engineer

The Applications Development Senior Programmer Analyst is an intermediate level ...

Location

India , Pune

Salary:

Not provided

Citi

Expiration Date

Until further notice

Requirements

7-9 years of relevant experience in Java/Spring/Hibernate, Microservice major and UI is optional
Experience in systems analysis and programming of software applications
Experience in managing and implementing successful projects
Working knowledge of consulting/project management techniques/methods
Ability to work under pressure and manage deadlines or unexpected changes in expectations or requirements
7 to 9 years of Angular UI development experience in web application development in Angular, Java, and Oracle tech stack
Proficient in JavaScript, TypeScript, Angular (v6 and above)
Expertise in building single page applications that are performant, reliable and maintainable
Expertise in building custom components like grids, multi-select drop downs etc
Expertise in handling large volumes of data over REST APIs

Job Responsibility

Conduct tasks related to feasibility studies, time and cost estimates, IT planning, risk technology, applications development, model development, and establish and implement new or revised applications systems and programs to meet specific business needs or user areas
Monitor and control all phases of development process and analysis, design, construction, testing, and implementation as well as provide user and operational support on applications to business users
Utilize in-depth specialty knowledge of applications development to analyze complex problems/issues, provide evaluation of business process, system process, and industry standards, and make evaluative judgement
Recommend and develop security measures in post implementation analysis of business usage to ensure successful system design and functionality
Consult with users/clients and other technology groups on issues, recommend advanced programming solutions, and install and assist customer exposure systems
Ensure essential procedures are followed and help define operating standards and processes
Serve as advisor or coach to new or lower level analysts
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 Backend Engineer (Security Compliance)

Randstad

Location:
United Kingdom , London

Category:
IT - Software Development

Contract Type:
Not provided

Salary:

Job Description:

Job Responsibility:

Requirements:

Additional Information:

Job Posted:
May 16, 2026

Expiration:
July 28, 2026

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